**ANNUAL REPORT**

**Calendar Year 2007**

**1. [NRSP-6: UNITED STATES POTATO GENEBANK]{.underline}**

> Introduction, Classification, Preservation, Evaluation and
> Distribution of tuber-bearing *Solanum* Species.

**2. [COOPERATIVE AGENCIES AND PRINCIPAL LEADERS]{.underline}**

  ------------------------------------------------------ ----------------------------------
  **[State Agricultural Experimental                     **[Representative]{.underline}**
  Stations]{.underline}**                                

                                                         

  Southern Region                                        J. C. Miller, Jr.

  Western Region Secretary (2008)                        I. Vales

  North Central Region Vice-Chair (2008)                 D. S. Douches

  Northeastern Region                                    W. De Jong
  ------------------------------------------------------ ----------------------------------

> **[United States Department of Agriculture]{.underline}**

+---------------------------------------+-------------+----------------+
| Agricultural Research Service         |             |                |
+---------------------------------------+-------------+----------------+
| Technical Representative Chairman     |             | C. R. Brown    |
| (2008)                                |             |                |
+---------------------------------------+-------------+----------------+
| National Program Staff                |             | P. K. Bretting |
+---------------------------------------+-------------+----------------+
| Area Director, Midwest Area           |             | S. Shafer      |
+---------------------------------------+-------------+----------------+
| Cooperative States Research Education |             | A. M. Thro     |
|                                       |             |                |
| & Extension Service                   |             |                |
+---------------------------------------+-------------+----------------+
| Animal and Plant Health Inspection    |             | M. D. Bandla   |
| Service                               |             |                |
+---------------------------------------+-------------+----------------+
| NRSP-6 Project Leader                 |             | J. B. Bamberg  |
+---------------------------------------+-------------+----------------+

+----------------------------------------------------+-----------------+
| # Agriculture Canada                               | T. R. Tarn      |
+----------------------------------------------------+-----------------+

> **[Administrative Advisors]{.underline}**

  ------------------------------------------------------ ----------------
  Southern Region                                        R. Guthrie

  Western Region Lead AA                                 C. Y. Hu

  North Central Region                                   M. Jahn

  Northeastern Region                                    E. Ashworth
  ------------------------------------------------------ ----------------

**3**. **[PROGRESS AND PRINCIPAL ACCOMPLISHMENTS]{.underline}**

A.  **[Introduction of New Stocks]{.underline}**

> John Bamberg and Alfonso del Rio (US Potato Genebank) had a successful
> collecting expedition to the Guadalupe Mountain National Park (GMNP)
> in west Texas in late September of 2007 (supported with extramural
> funding from USDA). They collected four new populations*.* These were
> the first *S. stoloniferum* germplasm from Culberson County, TX and
> first potato collections from Eddy County, NM.
>
> A total of 5 accessions were assigned PI numbers in 2007: one
> primitive cultivar from Peru and 4 accessions collected from the SW
> United States. These accessions are now available from the NRSP-6
> *Solanum* germplasm collection.
>
> The NRSP-6 web page (http://www.ars-grin.gov/nr6) has been updated to
> include all new stocks and screening information. Clients who have
> ordered from NRSP-6 in the past four years are contacted three times
> per year informing them of new materials that are now available either
> as true seed, tubers, in vitro plantlets, or herbarium samples. A new
> service we are offering is dried ground leaf samples for DNA testing.
> For foreign requesters this is useful since there are no quarantine
> restrictions on dried tissue.
>
> **B. [Preservation and Increase of Stocks]{.underline}**
>
> In 2007, a total of 155 accessions were increased as botanical seed
> populations.
>
> A total of 672 potato spindle tuber viroid (PSTVd) tests were
> performed on seed increase parents, seedlots and research materials.
> Germination tests were performed on 1120 accessions, ploidy
> determinations were made on 35 accessions, and tetrazolium seed
> viability tests were done on 55 seedlots.
>
> Progress was made on several international collaborative projects.
>
> We are working with CIP on a project to assess the impact of
> agrichemicals on pollen and seed viability of wild species (oral
> presentation at the PAA07). Agrichemicals depress reproduction and
> diversity of wild potato germplasm, suggesting remote populations
> should be targeted for future collecting by genebanks.
>
> John Bamberg visited Peru in May 2007 to harvest calcium and frost
> plots. A low cost source of calcium applied to research plots located
> in the highlands of Peru resulted in an increase yield of 60% for some
> clones. Work is now being planned to identify genetics of stocks that
> respond well to added calcium.
>
> Frost is a major problem for the highland farmers in Peru, with major
> devastating episodes in the past two years. We supplied selected frost
> resistant germplasm for testing, and continue to synthesize hybrids of
> native cultivars with highly frost resistant wild species for tests in
> Peru.
>
> We initiated quarantine seed increase of seed rescued from the VIR
> collection to incorporate into the US Potato Genebank. We are also
> planning an intergenebank cooperative project to evaluate primitive
> cultivated species *andigena* for hidden recessive traits and
> incorporate word holdings data into the global germplasm database
> (IPD).
>
> Hypertension in humans and black spot bruise in potatoes are both
> problems for which increased tuber potassium could have a positive
> influence. Potassium screening of the minicore collection funded by
> the Crop Germplasm Committee (CGC) grant has shown great species
> variation which could lead to a selection of high-K varieties that
> lower blood pressure and reduce black spot bruise.
>
> We continued screening for antioxidants in uncolored wild potato
> species tubers of *S. okadae* hybrids with USDA cooperator Dr.
> Navarre. We have extended this work to discovery of high antiox
> species more crossable to tuberosum, and synthesis of diploid
> segregating populations.
>
> We discovered a new floral development mutant in *S. microdontum*
> which we have named *crazy sepal* (cs1) because it grows multiple
> (indeterminate) sets of sepals instead of anthers and pistils. This is
> a potential tool for studying floral development and cost of flowering
> on tuber yield. It would prevent transgene escape from GMO potato. We
> have made crosses with diploid *tuberosum* to investigate these
> opportunities and made the mutant available to other workers (Short
> Communication in AJPR).
>
> Plant parts are known to vary widely for pH, but little is known about
> the variation, basis, or utility of pH extremes in potato tubers. When
> pH was measured on species of the mini-core collection, replicates
> over years and populations gave consistent results, with pH range of
> (5.0-6.2). Fine screening has now discovered very acidic species more
> amenable to crossing with *tuberosum*, and we have produced F2
> segregating populations. This opens the door to studies linking
> acidity to a wide range of tuber parameters like processing quality,
> skin color retention, disease resistance, calcium content, glycemic
> index and acrylamide formation.
>
> *Solanum microdontum* is remarkably extreme and variable for several
> characteristics (acid, potassium, calcium, late blight and
> antioxidants). We continued to perform replicated characterization of
> *S. microdontum* for these traits. We also collected DNA to compare
> variation for useful phenotypic traits to gross genetic variation.

C.  **[Classification]{.underline}**

> Dr. Spooner et al. have published and are working on five different
> areas of potato research: 1) molecular markers for genebank studies,
> 2) cultivated potato origins, 3) relationships in wild tomatoes and
> potatoes, 4) the predictive power of taxonomy relative to disease
> resistance data, and 5) a linkage map showing late blight in wild
> potatoes.
>
> **D. [Distribution]{.underline}**
>
> The volume and types of stocks sent to various consignee categories
> are summarized in the table below. NRSP-6 distributed to clients in 24
> states of the USA and 8 other countries.

  ---------- ----------- ------ ------ ------ ------ ----- ----- ------- --------
             Units of                                                    
             Germplasm                                                   
             Sent^1^                                                     

  Category   S           TF     TC     IVS    DNA    PL    HER   Total   PIs

  Domestic   3,892       283    624    603    364    0     11    5,777   3,654

  Foreign    1,168       0      25     343    0      0     0     1,536   402

  Total      5,060       283    649    946    364    0     11    7,313   4,056
  ---------- ----------- ------ ------ ------ ------ ----- ----- ------- --------

  --------- ----------- ------ ------ ------ ------ ----- ----- ------- --------
            Units of                                                    
            Germplasm                                                   
            used in                                                     
            house^2^                                                    

  NRSP-6    7,233       0      74     215    0      0     0     7,522   1,586
  --------- ----------- ------ ------ ------ ------ ----- ----- ------- --------

^1^ Types of stocks sent/(number of seeds, tubers or plantlets per
standard shipping unit): S= True Seeds/(50), TF= Tuber Families/(10),

TC=Tuber Clones/(3), IVS=In Vitro Stocks/(1), DNA=DNA samples/(1),
PL=Plants in plugs/(1), Her= Herbarium/(1).

^2^ Includes chromosome counts, germination tests, ID and Taxonomic
check plantings, in vitro maintenance, seed increases, PSTV tests,
miscellaneous plantings, and NSSL seed backup.

**4.** **[IMPACT STATEMENT]{.underline}**

> Potato is the number one vegetable crop and ranks number four among
> world food crops. The US Potato Genebank's purpose is to provide a
> high quality, ready source of seed, technology and information to
> support potato enhancement, breeding and research in the USA and
> around the world.
>
> The impact of the genebank has been strong in the past. Staff have
> been instrumental in developing technologies widely used in potato
> breeding, like cut-stem pollination, hormone pre-treatment of seeds
> for better germination, extraction of haploids and use with 2n gametes
> in breeding. The genebank imported valuable germplasm and generated,
> formatted and computerized a wide array of trait evaluation data and
> taxonomic characterization. One way the impact of these contributions
> can be measured is by the occurrence of NRSP-6 germplasm in the
> pedigrees of new, improved potato cultivars. About 70% of all potatoes
> grown in the United States have germplasm in their pedigrees from the
> genebank. Three cultivar releases were published in the American
> Journal of Potato Research in 2007: 'Blazer Russet', 'Dakota Crisp'
> and 'MegaChip'. Each is known to contain wild species.
>
> The impact of genebank contributions is also evident in the numerous
> publications in 2007 that provide information that ultimately
> contribute to better exploitation of the germplasm resource. Section 6
> lists 89 papers, 53 abstracts, 1 patent, 2 patents pending and 4
> theses which report the use of NRSP-6 *Solanum* introductions this
> year.
>
> The impact of the genebank is expected to increase in the future for
> several reasons. 1) Mutants discovered and characterized by staff will
> be increasingly valuable as research models. 2) Intragenic
> transformation of potato has now been demonstrated and identified as a
> kind of GMO much more accepted by the consumer, so useful exotic
> potato genes will be increasingly valuable as the technology to easily
> insert them into existing cultivars improves. 3) Potato is rapidly
> expanding in large new growing regions, so the need for genetic
> resources for breeding in new environments and for new tastes will
> surge. 4) The collection and organization of data at the genebank for
> an ever-increasing array of traits (e.g., nutritional) is expected to
> become more and more critical for breeding efficiency.

**5. [WORK PLANNED FOR 2008]{.underline}**

> Fast and accurate delivery of high quality germplasm and information
> will continue to be the general objective of NRSP-6. We also aim to
> raise awareness of the germplasm resource through an
> advertising/outreach program, and by conducting and publishing
> research that demonstrates new ways the germplasm can be useful for
> potato improvement. It will be a goal to perform 100 additional
> successful seed increases in the upcoming year, for a total of 250.
>
> Evaluation experiments will continue on *Solanum* species for these
> and other traits: antioxidants, tuber acidity, apomixis, crazy sepal
> mutant, tuber potassium, frost hardiness, tuber calcium, hormone
> mutants and anti-cancer compounds.
>
> APIC Intergenebank projects, such as researching the status and
> dynamics of genetic diversity using DNA markers will continue to
> strengthen ties with sister genebanks around the world. We intend to
> pursue extramural funding to continue the APIC project to study effect
> of agrichemicals on in situ diversity. We also intend to conduct a
> collecting expedition for native wild potatoes in the Pinaleno
> mountains of SE Arizona.

**6. [PUBLICATIONS ISSUED DURING THE YEAR]{.underline}**

### Publications issued by NRSP-6 Personnel

> Alvarez, N.M., I.E. Peralta and D. Spooner. 2007. Morphological
> evaluation of the *Solanum brevicaule* complex: a replicated field
> trial from Argentina. Am J Potato Res 84:73-74. (Abstract)
>
> Ames, M., A. Salas-Lopez and D. Spooner. 2007. Taxonomic evaluation of
> putatively related wild potato species of *Solanum* series
> *Cuneoalata, Ingifolia, Olmosiana, Piurana,* and *Simplicissima*, by
> morphological data from an Andean field station. Am J Potato Res
> 84:74. (Abstract)
>
> Bamberg, J.B. 2007. *Crazy Sepal*: A new floral *Sepallata*-like
> mutant in the wild potato *Solanum microdontum* Bitter. Am J Potato
> Res 84:76. (Abstract)
>
> Bamberg, J.B., A. del Rio and C. Fernandez. 2007. Sampling remote *in
> situ* sites of USA wild potato captures more diversity. Am J Potato
> Res 84:76. (Abstract)
>
> Bamberg, John and Alecia Kiszonas. 2007. Variation for tuber acidity
> among potato species. Am J Potato Res 84:76-77. (Abstract)
>
> Bamberg, J.B., J.P. Palta and M.W. Martin. 2007. Using a wild species,
> *Solanum microdontum*, to move high tuber calcium trait to the
> cultivated potatoes. Am J Potato Res 84:77. (Abstract)
>
> Busse, J.S., J.B. Bamberg and J.P. Palta. 2007. Correlation between
> aerial shoot and tuber calcium accumulation in *Solanum* genotypes
> segregating for tuber calcium uptake efficiency. Am J Potato Res
> 84:79-80. (Abstract)
>
> Centeno-Diaz, Ruth, Alberto Salas-Lopez, Alfonso del Rio, John
> Bamberg, and William Roca. 2007. Impact of crop pesticides on the
> reproductive ability of wild potato species. Am J Potato Res 84:81-82.
> (Abstract)
>
> Fajardo, D., A. Salas-Lopez, R. Castillo, and D. Spooner. 2007.
> Species and series boundaries of *Solanum* series *Conicibaccata* and
> phonetically similar species in ser. *Piurana* (sect. *Petota*):
> Morphological data from a field study in Peru. Am J Potato Res
> 84:89-90. (Abstract)
>
> Hijmans, R.J., T. Gavrilenko, S. Stephenson, J.B. Bamberg, A. Salas,
> and D.M. Spooner. 2007. Geographical and environmental range expansion
> through polyploidy in wild potatoes (*Solanum* section *Petota*).
> Global Ecol Biogeogr 16:485-495 (Supplement 1, Supplement 3, Ploidy
> paper data)
>
> Knapp, S., D.M. Spooner and B. Leon. 2006. Solanaceae endemicas del
> Peru. Rev. Peru. Biol. Numero especial 13(2):612s-643s.
>
> Nzaramba, M. Ndambe, J.B. Bamberg and J.C. Miller, Jr. 2007. Effect of
> propagule type and growing environment on antioxidant activity and
> total phenolic content in potato germplasm. Am J Potato Res
> 84:323-330.
>
> Peralta, I.E. and D.M. Spooner. 2007. History, origin and early
> cultivation of tomato (Solanaceae). Pp 1-27. In: Genetic Improvement
> of Solanaceous Crops, Vol. 2: Tomato. M.K. Razdan and A.K. Mattoo
> (eds.), Science Publishers, Enfield, USA.
>
> Rios, D., M. Ghislain, F. Rodriguez, and D.M. Spooner. 2007. What is
> the origin of the European potato? Evidence from Canary Island
> landraces. Crop Sci 47:1271-1280.
>
> Rodriquez, F., F. Wu, S. Tanksley, and D. Spooner. 2007. A multiple
> single-copy gene phylogenetic analysis of wild tomatoes (*Solanum* L.
> section *Lycopersicon* (Mill.) Wettst.) and their outgroup relatives.
> Am J. Potato Res 84:113. (Abstract)
>
> Salas-Lopez, A., N.M. Alvarez, M. Ames, M. Blancas, D. Fajardo, H.
> Juarez, I.E. Peralta, W. Roca, E. Rojas, R. Simon, M. Vargas, K.
> Vivanco, and D. Spooner. Am J Potato Res 84:115. (Abstract)
>
> Simko, I., S.H. Jansky, S. Stephenson, and D.M. Spooner. 2007.
> Genetics of resistance to pests and disease. In: Potato Biology and
> Biotechnology: Advances and Perspectives. R. Vreugdenhil, J. Bradshaw,
> C. Gebhardt, F. Govers, D.K.L. MacKerron, M.A. Taylor, and H.A. Ross
> (eds.). pp. 117-155, Elsevier, Amsterdam, The Netherlands.
>
> Spooner, D.M. 2006. *Simsia* Persoon for Flora of North America North
> of Mexico. Vol. 21:140-141. Oxford University Press, New York.
>
> Spooner, D.M., L. Bohs, J. Giovannoni, R. Olmstead, and S. Daitsuke
> (Editors). 2007. Solanaceae VI -- Genomics meets biodiversity. Acta
> Hort 1-564.
>
> Spooner, D.M., D. Fajardo and G.J. Bryan. 2007. Species limits of
> *Solanum berthaultii* Hawkes and *S. tarijense* Hawkes and the
> implications for species boundaries in *Solanum* sect. *Petota*. Taxon
> 56:987-999.
>
> Spooner, D.M., S.H. Jansky and A.J. Bussan. 2007. Experiences of a
> local arrangement committee for a large scientific conference. Acta
> Hort 745:513-532.
>
> Spooner, D.M., J. Nunez, G. Trujillo, M. del Rosario Herrera, F.
> Guzman, and M. Ghislain. 2007. Extensive simple sequence repeat
> genotyping of potato landraces supports a major reevaluation of their
> gene pool structure and classification. Proc Natl Acad Sci USA
> 104:19398-19403.
>
> Vega, S., M. Aziz, J. Bamberg, A. Verma, and J. Palta. 2007. Screening
> potato germplasm for carboxypeptidase inhibitor and its potential
> anticancer properties. Am J Potato Res 84:118-119. (Abstract)

A.  **[Journal Articles and Abstracts Reporting Research with NRSP-6
    Stocks]{.underline}**

> Alvarez, A.E. 2007. Resistance mechanisms of *Solanum* species to
> *Myzus persicae*. Wageningen University, Wageningen Netherlands. Iv +
> 182 pp.
>
> Alvarez, A.E., W.F. Tjallingii, E. Garzo, V. Vleeshouwers, M. Dicke,
> and B. Vosman. 2006. Location of resistance factors in the leaves of
> potato and wild tuber-bearing *Solanum* species to the aphid *Myzus
> persicae*. Ent Exp et Appl 121(2):145-157.
>
> Bae, Jinjoo, Shelley Jansky and Douglas Rouse. 2007. Early generation
> selection for resistance to Verticillium wilt. Am J Potato Res 84:75.
> (Abstract)
>
> Baldwin, S., R. Genet, R. Macknight, K. Dodds, and J.M.E. Jacobs.
> 2007. Genetics of resistance to powdery scab (*Spongospora
> subterranean*) of potato. Am J Potato Res 84:75-76. (Abstract)
>
> Beketova, M.P., P.E. Drobyazina and E.E. Khavkin. 2006. The *R1* gene
> for late blight resistance in early and late maturing potato
> cultivars. Russian j Plant Physiol 53(3):384-389.
>
> Beketova, M.P., P.E. Drobyazina, E.A. Sokolova, E.A. Tsar'kova, V.A.
> Vorobiev, I.M. Yashina, and E.E. Khavkin. 2007. DNA markers for potato
> introgression breeding, In: Potato production and innovative
> technologies (Haverkort, A.J. and Anisimov, B.V., eds.), Wageningen
> Acad. Publ., pp. 397-404.
>
> Belknap, W.R., S.S. Chang, D.R. Rockhold, N.T. Taylor, and K.F. McCue.
> 2007. *Solanum bulbocastanum* polyubiquitin Bu427 promoter and uses
> thereof. Patent Pending: United States.
>
> Belknap, W.R., S.S. Chang, D.R. Rockhold, N.T. Taylor, and K.F. McCue.
> 2007. *Solanum bulbocastanum* polyubiquitin Bul409 promoter and uses
> thereof. Patent Pending: United States.
>
> Benoit, Bizimungu and Qin Chen. 2007. Evaluation of interspecific
> hybrid derivatives possessing disease resistance traits for potential
> use in a potato breeding program. Am J Potato Res 84:78. (Abstract)
>
> Bernal, A.M., J.E. Arias, J.D. Moreno, I. Valbuena, and L.E.
> Rodriguez. 2006. Confrontation between an *a priori* clustering of
> potato germplasm *Solanum tuberosum* subspecies *andigena* vs a
> non-hierarchic clustering. Agronomia Colombiana 24(2):214-225.
>
> Bizimungu, B., D.R. Lynch, L.M. Kawchuk, Q. Chen, M. Konschuh, C.
> Schaupmeyer, J. Wahab, D. Waterer, D. Driedger, H. Wolfe, P.
> McAllister, R. Howard, and H. W. Platt. 2007. Northstar: A
> high-yielding, white cold-storage chipping potato cultivar with
> attractive oval tubers resistant to late blight. Am J Potato Res
> 84:437-445.
>
> Bradeen, J.M. and D.S. Mollov. 2007. Herbicide tolerance in primitive
> diploid potato species comprising superseries *Stellata*: Toward
> establishment of seedling cultivation conditions for field
> evaluations. Am J Potato Res 84:415-424.
>
> Bradeen, J.M. and D.S. Mollov. 2007. Herbicide tolerance in Diploid
> 1EBN and 2EBN potato species. Potato Assoc of America Annual Meeting,
> Idaho Falls, ID, Aug. 2007. (Abstract)
>
> Burkhart, C.R., B.J. Christ and K.G. Haynes. 2007. Non-additive
> genetic variance governs resistance to Fusarium dry rot in a diploid
> hybrid potato population. Am J Potato Res 84:199-204.
>
> Carputo, D., L. Castaldi, I. Caruso, R. Aversano, L. Monti, and L.
> Frusciante. 2007. Resistance to frost and tuber soft rot in
> near-pentaploid *Solanum tuberosum-S. commersonii* hybrids. Breed Sci
> 57(2):145-151.
>
> Carputo, Domenico, Amalia Barone, Immacolata Caruso, Massimo Iorizzo,
> Astolfo Zoina, and Luigi Frusciante. 2007. Fertile *Solanum
> commersonii-S. tuberosum* sexual hybrids as source of resistance to
> *Ralstonia solanacearum*. Am J Potato Res 84:80. (Abstract)
>
> Chantha, S.-C. and D.P. Matton. 2007. Underexpression of the plant
> *NOTCHLESS* gene, encoding a WD repeat protein, causes pleitropic
> phenotype during plant development. Planta 225:1107-1120.
>
> Chantha, S.-C., F. Tebbji and D.P. Matton. 2007. From the Notch
> signaling pathway to ribosome biogenesis. Plant Signaling & Behavior
> 2:168-170.
>
> Chevalier, E. and D.P. Matton. 2007. RALF, a secreted peptide involved
> in plant reproduction. Plant Biology & Botany Joint Congress, American
> Society of Plant Biologists (ASPB), Chicago, Illinois, USA, 7-11 July,
> 2007. Poster presentation. (Abstract)
>
> Clark, Catherine, Yvan Pelletier, Robert Coffin, and William Hardy.
> 2007. Field evaluation of resistance of wild *Solanum* species to
> aphids. Northeast Potato Technology Forum. Charlottetown, PEI, Canada.
> March 14-15, 2007.
>
> Colton, L., S. Wielgus, Y. Chen, B. Bowen, F. Nevaro, and J. Jiang.
> 2007. Continuation of marker-assisted selection for late blight
> resistant potatoes. Am J Potato Res 84:83-84. (Abstract)
>
> Cortes, C., E. Salazar, H. Prieto, and R. Pertuze. 2006. Determinacion
> del grado de hibridacion entre papa cultivada (*Solanum tuberosum*) y
> especies silvestres relacionadas a partir de polinizacion dirigida
> (Determination of the degree of hibridization among cultivated potato
> (*Solanum tuberosum*) and wild relative species by manual
> pollinization). 57° Congreso Agronomico de Chile, Santiago-Chile,
> October 17-20, 2006. Abstract book, p. 97. (Abstract)
>
> Cortes, C., E. Salazar, H. Prieto, and R. Pertuze. 2007. Antecedentes
> sobre la Posibilidad de Hibridacion entre Papa Cultivada y Diez
> Especies de *Solanum* Silvestres Nativos de Chile (Antecedents about
> hybridization possibility between cultivated potato and ten wild
> native *Solanum* species of Chile). VI Symposium of Genetic Resources
> for Latin America and the Caribbean. Mexico DF, Mexico. November
> 13-16, 2007. (Abstract)
>
> Costanzo, S., M. Ospina-Giraldo, K.L. Deahl, C.J. Baker, and R.W.
> Jones. 2007. Alternate intron processing of family 5 endoglucanase
> transcripts from the genus *Phytophthora*. Current Genetics
> 52:115-123.
>
> D'Hoop, B.B., M.J. Paulo, R.A. Mank, H.J. van Eck, and F.A. van
> Eeuwijk. 2007. Association mapping of quality traits in potato
> (*Solanum tuberosum* L.). Euphytica DOI 10.1007/s10681-007-9565-5.
>
> Domanski, L., E. Zimnoch-Guzowska, M. Domanska, and H. Jakuczun. 2006.
> The effect of heterosis of diploid potato clone DG.97-943 of cold
> shipping type and producing *2n* gametes. Biuletyn Instyt Hod Aklim
> Roslin 240/241:307-313.Gray-Mitsumune, M., M. O'Brien, C. Bertrand, F.
> Tebbji, A. Nantel, and D.P. Matton. 2006. Loss of ovule identity
> induced by over-expression of the fertilization-related kinase 2
> (ScFRK2), a MAPKKK FROM *Solanum chacoense*. J Exp Botany
> 57(15):4171-4187.
>
> Dorion, S., F. Dumas and J. Rivoal. 2006. Autophosphorylation of
> *Solanum chacoense* cytosolic nucleoside diphosphate kinase on Ser117.
> J Exp Botany 57(15):4079-4088.
>
> Drobyazina, P.E. and E.E. Khavkin. 2007. Structural homologs of
> *CONSTANS* and *LEAFY* in potato and its wild relatives. Acta Hort
> 745:411-419.
>
> Drobyazina, P.E. and E.E. Khavkin. 2007. Two structural variants of
> the *CONSTANS-LIKE* gene in long- and short-day *Solanum* plants. ASPB
> Plant Biology & Botany Joint Congress, Chicago, USA, July 2007.
> (Abstract)
>
> Drobyazina, P.E., E.V. Rogozina, E.A. Sokolova, E.A. Tsar'kova, V.A.
> Vorobiev, I.M. Yashina, G.A. Yakovleva, and E.E. Khavkin. 2007.
> SCAR-markers of *Solanum* wild species for introgression potato
> breeding. II International Vavilov Conference "Crop Genetic Resources
> in the 21^st^ Century: Current Status, Problems and Prospects", St.
> Petersburg, Russia, November 2007. (Abstract)
>
> Erazzu, L.E. and E.L. Camadro. 2007. Direct and indirect detection of
> *2n* eggs in hybrid diploid families derived from haploid tbr x wild
> species crosses. Euphytica 155(1/2):57-62.
>
> Franco J. and G. Main. 2006. Screening for resistance to *Nacobbus
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> other pathogens. Nematol Mediterranea 34(2):165-169.
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> Gabriel, J., A. Coca, G. Plata, and J.E. Parlevliet. 2007.
> Characterization of the resistance to *Phytophthora infestans* in
> local potato cultivars in Bolivia. Euphytica 153(3):321-328.
>
> Germain, H., J. Houde, M. Gray-Mitsumune, R.T. Sawasaki, Y. Endo, and
> D.P. Matton. 2007. Characterization of ScORK28, a transmembrane
> functional protein receptor kinase predominantly expressed in ovaries
> from the wild potato species *Solanum chacoense*. FEBS Letters
> 581:5137-5142.
>
> Gillen, A.M. and R.G. Novy. 2007. Molecular characterization of the
> progeny of *Solanum etuberosum* identifies a genomic region associated
> with resistance to potato leafroll virus. Euphytica 155(3):403-415.
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> Goyer, A. and D.A. Navarre. 2007. Determination of folate
> concentrations in diverse potato germplasm using a trienzyme
> extraction and a microbiological assay. J Ag Food Chem
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>
> Goyer, A., P. Hamm and R. Navarre. 2007. Germplasm mining and
> metabolic engineering as strategies to boost folates in potato tubers.
> Am J Potato Res 84:90-91. (Abstract)
>
> Groza, H.I., B.D. Bowen, A.J. Bussan, W.R. Stevenson, F. Navarro, D.
> Kichefski, S.J. Peloquin, J. Palta, and J. Jiang. 2007. MegaChip -- A
> new potato variety for chipping. Am J Potato Res 84:343-350.
>
> Halseth, D.E. and E.R. Sandsted. 2007. Management profile for 'Marcy',
> a high yielding chipping variety. Am J Potato Res 84:91. (Abstract)
>
> Haynes, K.G. 2007. Chip color in a high specific gravity *Solanum
> phureja-Solanum stenotomum* population. Am J Potato Res 84:92.
> (Abstract)
>
> Haynes, K.G., R.W. Goth, D.H. Lambert, and B.J. Christ. 2007.
> Evaluation of a short-day adapted tetraploid potato population with
> horizontal resistance to *Phytophthora infestans* under long-day
> conditions in northern Maine. Am J Potato Res 84:459-466.
>
> Honermeier, B. and G. Knipp. 2006. Fructans potato -- health improving
> components in new tubers. Kartoffelbau 7:336-338.
>
> Hudak, I., J. Dobranszki and M. Hevesi. 2006. In vitro methods for
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> Inglis, D.A., C.R. Brown, B.G. Gunderson, L.D. Porter, J.S. Miller,
> D.A. Johnson, H. Lozoya-Saldana, and K.G. Haynes. 2007. Assessment of
> *Solanum hougasii* in Washington and Mexico as a source of resistance
> to late blight. Am J Potato Res 84:217-228.
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> Iorizzo, M., J.M. Bradeen, L. Frusciante, and D. Carputo. 2007.
> Development of a DarT Microarray for Comparative Structural Genomics
> and Mapping of Agriculturally Significant Genes in Wild Potato
> Species. ANNUAL CONGRESS "SOCIETA' ITALIANA DI GENETICA AGRARIA XLXI",
> Riva del Garda, Italy, Sept. 2007. (Abstract)
>
> Iovene, M., S. Savarese, T. Cardi, L. Frusciante, N. Scotti, P. Simon,
> and D. Carputo. 2007. Assessment of nuclear and cytoplasmic genome
> composition in *Solanum bulbocastanum* (+) *S. tuberosum* somatic
> hybrids. Am J Potato Res 84:95. (Abstract)
>
> Iovene, M., S. Savarese, T. Cardi, L. Frusciante, N. Scotti, P.W.
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> composition of *Solanum bulbocastanum* (+) *S. tuberosum* somatic
> hybrids. Genome 50(5):443-450.
>
> Jansky, Shelley. 2007. Characterization of genotypic and environmental
> contributions to baked potato flavor. Am J Potato Res 84:95-96.
> (Abstract)
>
> Kelly, K., A. Gillen, J. Whitworth, and R. Novy. 2007. Development of
> molecular markers for introgression of potato leafroll virus
> resistance from *S. etuberosum* into cultivated potato. Am J Potato
> Res 84:97. (Abstract)
>
> Khu DongMan, S.L. Love, Mo HwangSung, Li KuiHua, and Lim HakTae. 2007.
> In vitro screening of potato genotypes for resistance to common scab
> using thaxtomin A. Hort Environ Biotech 48(4):224-227.
>
> Kielbowicz-Matuk, Agnieszka and Tadeusz Rorat. 2007. Expression of
> gene encoding lipid transfer protein (*Ss*LTP1) is associated with
> adaptation of *S. sogarandinum* to dehydration stresses (cold, drought
> and salinity). XV Ogolnopolskie Seminarium Sekcji Mrozoodpornosci, KNO
> PAN, Iinstytut Dendrologii PAN w Korniku, 24-25 maj 2007, -str. 5.
> (Abstract)
>
> Kielbowicz-Matuk, Agnieszka, Pascal Rey and Tadeusz Rorat. 2007. The
> abundance of a single domain cyclophilin in *Solanaceae* is regulated
> as a function of organ type and high temperature and not by other
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> Kozlov, V., N. Rusetsky, A. Chashinsky, H. Zhuromski, and A. Rajko.
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> Plant protection: Manual of Proceeding/Anniversary of the Institute of
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> Pp 196-203.
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> Kozlov, V.A., N.V. Rusetsky and A.V. Chashinsky. 2007. Studying and
> use of wild and cultural kinds at creation of an initial material of a
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> Kozlov, V.A., N.V. Rusetsky and A.V. Chashinsky. 2007. Results of
> selecting initial breeding material for potato//Potato growing: Manual
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> 2007, 12:153-165.
>
> Lafleur, E., C. Kapfer, M. Gray-Mitsumune, and D.P. Matton. 2007.
> Involvement of the *Solanum chacoense* MAPKKK SFRK1 in embryo sac
> development. Plant Biology & Botany Joint Congress, American Society
> of Plant Biologists (ASPB), Chicago, Illinois, USA, 7-11 July, 2007.
> Oral presentation. (Abstract)
>
> Lafleur, E., C. Kapfer, M. Gray-Mitsumune, and D.P. Matton. 2007. A
> family of MAPKKK from *Solanum chacoense* involved in ovule and embryo
> sac development. Plant Protein Phosphorylation-Dephosphorylation &
> Mini-Symposium on Plant Proteomics, Twenty-Fourth Annual Missouri
> Plant Biology Symposium, May 22-25, 2007, C.S. Bond Life Sciences
> Center, University of Missouri, Columbia, Missouri, USA. Poster
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> Lawrence, S.D., N.G. Novak and M.B. Blackburn. 2007. Inhibition of
> proteinase inhibitor transcripts by *Leptinotarsa decemlineata*
> regurgitant in *Solanum Lycopersicum*. J Chem Ecol 33(5):1041-1048.
>
> Levy, D. and R.E. Veilleux. 2007. Adaptation of potato to high
> temperatures and salinity -- a review. Am J Potato Res 84:487-506.
> (Invited Review)
>
> Li, Haiyan, D. Beasley and Q Chen. 2007. Cytological and RAPD analysis
> of interspecific somatic hybrids *Solanum pinnatisectum* (+) *S.
> tuberosum*. Am J Potato Res 84:100-101. (Abstract)
>
> Lightbourn, G.J., J.G. Jelesko and R.E. Veilleux. 2007.
> Retrotransposon-based markers from potato monoploids used in somatic
> hybridization. Genome 50:492-501.
>
> Lightbourn, G.J. and R.E. Veilleux. 2007. Production and evaluation of
> somatic hybrids derived from monoploid potato. Am J Potato Res
> 84:425-435.
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> Liu, Z.Y. and D. Halterman. 2006. Identification and characterization
> of *RB*-orthologous genes from the late blight-resistant wild potato
> species *Solanum verrucosum*. Physiol Molec Pl Path 69(4/6):230-239.
>
> Liu, Zhenyu and Dennis Halterman. 2007. Proteomic analysis of potato
> late blight resistance mediated by the RB resistance gene. Am J Potato
> Res 84:101. (Abstract)
>
> Luczak, Wojciech and Tadeusz Rorat. 2007. Expression of gene encoding
> cysteine protease (CysP) is induced in *Solanum sogarandinum* in
> response to drought. XV Ogolnopolskie Seminarium Sekcji
> Mrozoodpornosci, KNO PAN, Iinstytut Dendrologii PAN w Korniku, 24-25
> maj 2007, -str. 6. (Abstract)
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> Marcellan, O.N., A. Acevedo and E.L. Camadro. 2006. *S16*, a novel
> *S-RNase* allele in the diploid species *Solanum chacoense*. Genome
> 49(8):1052-1054.
>
> Matton, D.P. 2007. Rôles d'un famille de MAPKKK et de récepteurs
> kinases lors de la reproduction sexuée chez les plantes. Département
> de Biologie, Séminaires du Centre SÈVE, Université de Sherbrooke,
> Sherbrooke, Canada, 12 December 2007. Invited seminar speaker. Seminar
> given in French. (Abstract)
>
> Matton, D.P. 2007. Functional genomics of signal transduction pathways
> during reproduction in a Solanaceous species: involvement of MAPK
> cascades and of receptor-like kinases. Technische Universität München,
> Wissenschaftszentrum Weihenstephan, Freising, Germany, 15 November
> 2007. Invited seminar speaker. (Abstract)
>
> McCann, Leah and Philipp Simon. 2007. Reducing sugar, asparagine, and
> chip color in wild *Solanum* species. Am J Potato Res 84:103.
> (Abstract)
>
> McCue, K.F., P.V. Allen, L.V. Shepherd, A. Blake, M.M. Maccree, D.R.
> Rockhold, R.G. Novy, D. Stewart, H.V. Davies, and W.R. Belknap. 2007.
> Potato glycosterol rhamnosyltransferase, the terminal step in triose
> side-chain biosynthesis. Phytochem 68:327-334.
>
> McCue, K.F., P.V. Allen, L.V. Shepherd, A. Blake, D.R. Rockhold, R.G.
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> and compensation of steroidal glycoalkaloid biosynthesis in potatoes.
> Acta Hort 745:343-350.
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> McCue, K.F., P.V. Allen, L.V. Shepherd, D.R. Rockhold, M.M. Maccree,
> H.V. Davies, and W.R. Belknap. 2007. *Solanum tuberosum* sterol
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> SGT2 and uses thereof. Patent Allowed.
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> Millett, B.P. and J.M. Bradeen. 2007. Development of allele-specific
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> Millett, B.P. and J.M. Bradeen. 2007. Effects of foliar blight
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> Mizubuti, E.S.G. and W.E. Fry. 2006. Potato late blight. In: The
> epidemiology of plant diseases (B.M. Cooke, D.G. Jones and B. Kaye,
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> Mojtahedi, H., C.R. Brown, E. Riga, and L.H. Zhang. 2007. A new
> pathotype of *Meloidogyne chitwoodi* Race 1 from Washington State.
> Plant Disease 91(8):1051.
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> Mollov, D., M. Iorizzo, S. Wielgus, J. Raasch, D. Carputo, L.
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> transgene *RB* renders foliar late blight susceptible potato cultivars
> resistant. Potato Assoc of America Annual Meeting, Idaho Falls, ID,
> Aug. 2007. (Abstract)
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> Nath, S.K. Abul Khair and M.R. Ali. 2006. Screening of potato
> germplasm against root knot (*Meloidogyne incognita, M. javanica*),
> and lesion nematodes (*Pratylenchus* spp.). Bangladesh J Pl Path
> 22(1/2):63-67.
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> Navarre, Roy, Roshani Shakya, Aymeric Goyer, Joanne Holden, and
> Richard Novy. 2007. Germplasm mining in potato to enhance nutritional
> quality and disease resistance. Am J Potato Res 84:106. (Abstract)
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> Nouri-Ellouz, O., R. Gargouri-Bouzid, D. Sihachakr, M.A. Triki, G.
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> Novy, R.G., A.M. Gillen and J.L. Whitworth. 2007. Characterization of
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> Novy, R.G., J.S. Miller, L.D. Porter, J. Whitworth, and H. Lozoya.
> 2007. Segregation of progeny of *Solanum tuberosum* subsp. *andigena*
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> 84:106-107. (Abstract)
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> Nunziata, A., V. Ruggieri, L. Frusciante, and A. Barone. 2007. Allele
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> O'Brien, M., M. Gray-Mitsumune, C. Kapfer, C. Bertrand, and D.P.
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> chacoense* affects pollen development and viability. Planta
> 225:1221-1231.
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> Osumi, T., W.R. Belknap, D.R. Rockhold, M.M. Maccree, K.F. McCue, and
> K.L. Deahl. 2007. United States Patent Number 7,148,397 *Solanum
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> Palumbo, R.E. and R.E. Veilleux. 2007. Variation of GFP expression in
> diploid and tetraploid transgenic potato. Am J Potato Res 84:393-401.
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> Pelletier Y. and J. Dutheil. 2006. Behavioural responses of the
> Colorado potato beetle to trichomes and leaf surface chemicals of
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> Pino, M.-T., J.S. Skinner, E.-J. Park, Z. Jeknic, P.M. Hayes, M.F.
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> to drive ectopic *AtCBF* expression improves potato freezing tolerance
> while minimizing negative effects on tuber yield. Plant Biotech J
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> Qiu CaiLing, Li Yong, Bai YaMei, Lu WenHe. 2006. Distribution of
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> Rorat, Tadeusz, Bartosz Szabala and Zhimin Yin. 2007. Expression of
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> Roux, V. le, E.D.M. Campan, F. Dubois, C. Vincent, and P. Giordanengo.
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> Sattarzadeh, A., U. Achenbach, J. Lubeck, J. Strahwald, E. Tacke, H.R.
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> polymorphism (SNP) genotyping as basis for developing a PCR-based
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> Scotti, N., L. Marechal-Drouard and T. Cardi. 2004. The *rpl5-rps14*
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> ShuLi, Huang, Jin LiFeng, Du JiZhou, Li Hua, Zhao Qian, Ou GuangShuo,
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> Simko, I., J.H. van den Berg, D. Vreugdenhil, and E.E. Ewing. 2007.
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> Solomon-Blackburn, R.M., H.E. Stewart and J.E. Bradshaw. 2007.
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> Stark, J.C., R.G. Novy, S.L. Love, J.L. Whitworth, D.L. Corsini, J.J.
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> Stupar, R.M., P.B. Bhaskar, B.S. Yandell, W.A. Rensink, A.L. Hart, S.
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> Suarez, S., E. Chaves and A.M. Clausen. 2007. *Solanum* tuber-bearing
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> Syverson, R., B.P. Millett and J.M. Bradeen. 2007. Analysis of
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> Szabala, Bartosz, Zhimin Yin and Tadeusz Rorat. 2007. Expression of
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> Thompson, A., B. Farnsworth, N.C. Gudmestad, G. Secor, J. Sowokinos,
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> Thompson, A.L., B.L. Farnsworth, G.A. Secor, N.C. Gudmestad, D.
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> Thompson, A.L., R.J. Taylor, J.S. Pasche, R.G. Novy, and N.C.
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> Whitworth, J., R. Novy, H. Lozoya, S. Yilma, and A. Mosley. 2007.
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> (Abstract)
>
> Whitworth, J.L., R.G. Novy, H. Lozoya-Saldana, S. Yilma, A.R. Mosley,
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B.  **[Theses Reporting Research with NRSP-6 Stocks]{.underline}**

> Chantha, Sier-Ching. 2007. Caractérisation fonctionnelle des gènes
> NOTCHLES et MIDASIN lors du développement végétal. January 2007. PhD
> Thesis, University of Montreal, Canada.
>
> Cortes Albornoz, Carolina. 2007. Determinacion del grado de
> hibridacion entre papa (*Solanum tuberosum*) y especies silvestres
> relacionadas a partir de polinizacion dirigida (Determination of the
> hybridization level among potato (*Solanum tuberosum*) and related
> wild species by manual pollinization). Thesis to obtain the title of
> Agricultural Engineer. University of Chile, Faculty of Agronomy.
>
> Germain, Hugo. 2007. Caractérisation chez *Solanum chacoense* et
> *Arabidopsis thaliana* d'un homologue du gène *Notchless* de la
> Drosophile impliqué dans la différentiation et le destin cellulaire.
> August 2007. PhD Thesis, University of Montreal, Canada.
>
> Syversoon, R.L. 2007. Towards development of molecular resources in
> disease resistant wild potato *Solanum bulbocastanum*, including a
> linkage map and SNP-based markers. MS Thesis, University of Minnesota.
>
> **7. [APPROVED]{.underline}**

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J. C. Miller, Jr., Chairman, Technical Committee Date

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C. Y. Hu , Lead Administrative Advisor Date