bluuebunny/crossref_metadata_2025_split huggingface dataset:
Ripening and Reduced Ethylene Production by Nectarine Fruits following Exposure to Ethylene1
Authors: Brecht Jeffrey K. , Kader Adel A. 
Published: October 2022

Abstract
Treatment of ‘Fairlane’ nectarines [Prunus persica (L). Batsch] with as high as 500 ppm C2H4 during 1 week of storage at 0 or 10°C, or treatment of ‘Flamekist’ nectarines with up to 100 ppm C2H4 for as long as 4 weeks at 0 or 10°, had no effect on the rate of color change or softening during storage or subsequent ripening periods at 20° in air relative to air storage. Treatment of ‘Flamekist’ nectarines with 100 ppm C2H4 for 1 week at 0 or 10°, however, resulted in maximal C2H4 production rates upon transfer to 20° in air that were approximately 60 and 40% less, respectively, than fruits stored in air or treated with 1 or 10 ppm C2H4 during storage.
The Effect of Phony Peach on the Rooting of Peach Cuttings1
Authors: Krewer G. W. , Daniell J. W. , Couvillon G. A. 
Published: October 2022

Abstract
Softwood cuttings taken from phony peach disease-infected and uninfected trees of ‘Jefferson’ peach [Prunus persica (L.) Batsch] produced 80% or more well-rooted cuttings with no significant difference (5% level) between phony and non-phony cuttings.
Hydraulic Conductivity and Ethylene Production in Detached Flowering Peach Shoots.1
Authors: Munoz Carlos E. , Davies Frederick S. , Sherman Wayne B. 
Published: October 2022

Abstract
Hydraulic conductivity decreased logarithmically over an 8-day period in detached flowering peach stems [Prunus persica (L.) Batsch]. Decreased hydraulic conductivity was negatively correlated (r = - 0.96) with an increase in the number of plugged vessels and positively correlated with a decrease in the percentage of functional vessels (r = 0.97). Ethylene production from flowering shoots peaked after 7 days in the holding solution but decreased rapidly thereafter. Addition of 1% ethanol to the holding solution increased xylem hydraulic conductivity and delayed the surge in ethylene production.
Changes in Trichome Length and Density during Growth of Peach Fruits1
Authors: Atwood John T. , Arnold Calvin E. 
Published: October 2022

Abstract
Development of pubescence was studied in peach [Prunus persica (L.) Batsch. cv. June Gold]. Mean trichome length and density were determined on ovaries collected in anthesis to ripe fruit stages. Mean trichome length increased during an thesis until petal fall, then decreased by a factor of 10 to fruit ripening. Pubescence density did not consistently increase or decrease between anthesis and shuckoff, but did show a major decrease on ripe fruit. The dense appearance of pubescence at petal fall may be due largely to increased trichome length.
Low-level Effects of H2S and SO2 on Grapevines, Pear, and Walnut Trees1
Authors: Thompson C. Ray , Kats Gerrit , Dawson Philip J. 
Published: October 2022

Abstract
Potted vines of ‘Cabernet Sauvignon’ and ‘White Riesling’ grapes (Vitis vinifera L.) and potted ‘Bartlett’ pear (Pyrus communis L.) and ‘Hartley’ English walnut trees (Juglans regia L.) were grown in greenhouses for 2 seasons and fumigated with ambient levels of H2S, treble ambient H2S, and amounts of SO2 equivalent to the treble levels of H2S. No foliar symptoms or deleterious effects on growth or fruiting were observed which could be ascribed to the treatments.
Postharvest Levels of Sugars and Sorbitol in Sugary Enhancer (su se) and Sugary (su Se) Maize1
Authors: Carey E. E. , Rhodes A. M. , Dickinson D. B. 
Published: October 2022

Abstract
Five sugary enhancer (su se) inbreds were compared with 2 sugary (su Se) inbreds of maize (Zea mays L.) for postharvest changes in sugars and sorbitol. The level of sucrose, the predominant sugar, was 17 to 26% of dry weight for the su se inbreds, and 8 and 9% for the su Se inbreds at the time of harvest. The su se inbreds lost about the same proportion of their sucrose as the su Se inbreds during 48 hours storage at 30°C, but storage at 2° slowed or prevented the loss in both genotypes. The sucrose content of su se inbreds after 48 hours storage at 30° was still greater than that of freshly harvested su Se inbreds. For the other sugars and sorbitol, the effect of the se gene was minimal during storage. In general for both genotypes, fructose decreased and maltose increased during either storage condition. Sorbitol decreased during cool storage and increased during warm storage.
Effects of Antitranspirants on Water Use and Yield of Greenhouse and Field-grown Onions1
Authors: Lipe W. N. , Hodnett K. , Gerst M. , Wendt C. W. 
Published: October 2022

Abstract
Plants of onion (Allium cepa L.) grown in the greenhouse and field were treated with antitranspirants during the bulb enlargement stage of growth. Daily water use in the greenhouse was significantly reduced by 1% Vapor Gard (di-1-p-menthene) and 3% Folicote (parafin wax) emulsions. The 3% Folicote treatment reduced bulb yield. In field studies, Folicote increased bulb size and total yield by 1.5–4.2 MT/ha. The increased yields resulted from larger bulb size, presumably due to reduction in the degree of moisture stress between irrigations. Neutron probe readings indicated a reduction in the rate of water removal from soils (30 cm depth) and an increase in bulb size and total yield in plots treated with the antitranspirants Folicote and tallow.
Southernpea Response to Glyphosate Desiccation1
Authors: Cole A. W. , Cerdeira A. L. 
Published: October 2022

Abstract
Seed weight, germination, seedling emergence, and yields were examined following desiccation of southernpea [Vigna unguiculata (L.) Walp cv. Mississippi Purple] plants with glyphosate [N-(phosphonomethyl)glycine]. Dry seed weight was not reduced by the desiccation process; however, seed quality of those treated at immature stages was reduced. Germination, seedling emergence, and yield from seed desiccated at immature stages were significantly less than from seeds desiccated at more mature stages of development. No differences were apparent between desiccation at mature stages and the control.
Screening Carrots for Resistance to Cankers Caused by Rhizoctonia solani1
Authors: Anderson N. A. , Davis D. W. , Shehata M. A. 
Published: October 2022

Abstract
Ten of 123 lines of carrot (Daucus carota L.) were identified with moderate to partial canker resistance to a highly virulent isolate of Rhizoctonia solani Kuehn AG 2-2.
Effects of Transplanting, Imbibition, and Gel on Stands and Harvest Variability of Lettuce1
Authors: Hemphill Delbert D. 
Published: October 2022

Abstract
‘Ithaca’ lettuce (Lactuca sativa L.) seed imbibed at 17°C emerged from warm (> 25°) soils more rapidly than did untreated seed. Planting seed in a gel also increased emergence, in part because of an anticrustant effect of the gel. The combination of imbibition and gel produced more rapid emergence than did either treatment alone. Mean head weight at harvest increased and head weight variability decreased with imbibition or gel treatment. The combination of imbibition and gel compared favorably with transplanting in reducing head size variability.
P1-P8, Diploid and Tetraploid Salpiglossis Germplasm1
Authors: Erickson Homer T. , Steadman James , Lee Chi Won , Janick Jules 
Published: October 2022

Abstract
A germplasm release representing 8 selections of Salpiglossis sinuata L. (velvet flower), all free of the cleistogamous character which inhibits corolla development, is being made by the Purdue University Agricultural Experiment Station. Five of the selections are diploid (2n = 44) and 3 are tetraploid (2n = 88).
‘Prairifire’1
Authors: Dayton D. F. 
Published: October 2022

Abstract
‘Prairifire’ is an attractive new ornamental crab apple with bright red-purple flowers, blooming 5–7 days later than other cultivars with that color, and immune or highly resistant to several destructive diseases of Malus.. Flower production is heavy and annual on both spurs and axillary buds on 1 year shoots. The flower color does not fade seriously nor develop an unattractive “muddy” appearance. Since axillary flowers develop somewhat later than do those on spurs, the flowering period is extended up to a week longer than if spurs were the only flowering sites. The small, dark-red fruits either dry on the tree or are eaten by birds, thus eliminating any clean-up problems from dropped fruits.
‘Pope’ Sweet Potato1
Authors: Collins W. W. , Moyer J. W. 
Published: October 2022

Abstract
‘Pope’ is a new cultivar of sweet potato [Ipomoea batatas (L.) Lam] developed at North Carolina State University that is high-yielding and early-maturing with high resistance to Fusarium wilt, root-knot nematodes, and flooding damage in the field. ‘Pope’ is named for Daniel T. Pope, who was the sweet potato breeder at North Carolina State University until his retirement in 1975.
‘Virgin Long’ Eggplant1
Authors: Ramcharan C. , Padda D. S. 
Published: October 2022

Abstract
The College of the Virgin Islands Agricultural Experiment Station announces the release of ‘Virgin Long’ eggplant (Solanum melongena L.). This cultivar is well adapted to alkaline soils of the Virgin Islands and has field resistance to phomopsis rot incited by Phomopsis vexans (Sacc. & Syd) Harter. ‘Virgin Long’ is a high yielding cultivar that is well-adapted to the Caribbean.
‘Flordahome’ Pear1
Authors: Sherman W. B. , Andrews C. P. , Lyrene P. M. , Sharpe R. H. 
Published: October 2022

Abstract
‘Flordahome’ pear was released by the University of Florida Agricultural Experiment Station in 1981 and fills the need for a pear with a low-chilling requirement that produces fruit which acquires a buttery, melting texture upon ripening. It is recommended for local use, but should be valuable germplasm for breeding pear cultivars with low chilling and resistance to fireblight and leafspot.
Horticulture in Iowa and At Iowa State University
Authors: Bolluy Karen 
Published: October 2022

Abstract
Fruit and vegetable production were, understandably, the main horticultural concerns of the people who first settled on Iowa's prairies. These pioneers had survival in mind as they planted potatoes, cabbage, onions, and apples. Crop failures were more than disappointments; they were the beginning of long, hungry winters.
A Short History of Consumer Horticulture
Authors: Wott John A. 
Published: October 2022

Abstract
The first symposium on home horticulture to be sponsored by this Society is indeed an historic event. It marks the continued efforts of horticultural scientists to seek an understanding of the art of growing and utilizing fruits, vegetables, and landscape plants. This Society reviewed in depth the first 75 years of its scientific involvement at our annual meeting in Boston, Massachusetts in 1978 (14). It is fitting as we begin the decade of the 80s, that this Society progress even further and consider the utilization of the many products of our horticulture industry.
Consumer Horticulture: Trends in Program Delivery
Authors: Witt Mary Hotze 
Published: October 2022

Abstract
The unofficial beginning of Cooperative Extension is traced to 1903, Kaufman County, Texas when Dr. Seaman A. Knapp initiated demonstrations with Mexican boll weevil in cotton. Knapp once said, “What a man hears, he will not believe, what he says, he may believe, but what he does he must believe.”
Research Review of Consumer and Small Farm Horticulture
Authors: Bienz D. R. , Gurtel Margaret 
Published: October 2022

Abstract
Those responsible for publicly sponsored agricultural research are frequently accused of serving only the interests of large-scale commercial agriculture and the agri-business and agri-chemical industries. Instead of denying this charge, spokesmen for federal and state research institutions often express the opinion that we must concentrate our limited research resources on the primary source of our impressive food and fiber production, which is large-scale agriculture. This kind of rhetoric has nurtured the impression that very little agricultural research is applicable to small farm or garden enterprises, because administrators of agricultural research do not consider these enterprises important. It seemed to us, therefore, that the first requirement in assessing the research and research needs of consumer horticulture was to ascertain the numerical importance of the likely beneficiaries of small farm research and the potential contribution to human welfare of such research. We chose to consider research for all small agricultural enterprises, because the same technology should apply to small, intensively cultivated plots whether they are home gardens, small commercial farms with high value crops, or subsistence farms.
In Vitro Propagation of Narcissus tazetta1
Authors: Steinitz Benjamin , Yahel Herut 
Published: October 2022

Abstract
Regeneration of bulblets was induced in tissue culture of twin-scale bases taken from bulbs of Narcissus tazetta cv. ‘Grand Soleil d‘Or’. Bulblet formation took place in the dark, on a Murashige and Skoog (MS) medium supplemented with 30 g/liter sucrose and 5 g/liter activated charcoal (AC). Omission of AC led to a significant reduction in bulblet regeneration and growth, and addition of 1-naphthaleneacetic acid (NAA) and 6-benzylamino purine (BA), to a medium without AC, completely inhibited bulblet formation. The inhibitory effect of NAA and BA was nullified by AC. Light reduced bulblet regeneration and growth in explants cultured on an AC-containing medium. Bulblet regeneration was also induced on explants prepared by splitting culture-derived bulblets into halves and incubating them on a MS medium supplemented with sucrose and AC. Under optimal culture conditions, bulblet regeneration on twin-scale bases, combined with bulblet regeneration on split culture-derived bulblet explants, leads to the production of 200–300 bulblets from one mother bulb in about half a year. Excised bulblets developed leaves and roots when cultured in the light on half-strength MS medium supplemented with 30 g/liter sucrose and 0.1 mg/liter NAA. Fully developed plantlets could be planted out directly to the open field.
Effects of Photoperiod and Pinching on Development of Begonia × tuberhybrida1
Authors: Oloomi Hamideh , Payne R. N. 
Published: October 2022

Abstract
Long days with incandescent lighting at 1700-2200, 2200-0300, or 1700-0800 hrs after 9 hrs of natural daylength promoted taller plants and higher percentage of flowering than short days (9 hrs natural daylength) in ‘NonStop Yellow’ tuberous begonias. Only 3 unpinched and none of the pinched plants flowered in short days during an 11 week experiment. Short days greatly enhanced tuber development, whereas long days prevented significant tuber development. Pinching delayed flowering, but did not affect tuber development.
Net Photosynthesis, Diffusive Resistance, and Chlorophyll Content of Shade- and Sun-tolerant Plants Grown under Different Light Regimes1
Authors: Armitage A. M. , Vines H. M. 
Published: October 2022

Abstract
Diffusive resistance decreased and chlorophyll content increased in leaves of Impatiens hybrida (shade tolerant) subjected to 14 days of low quantum flux density (QFD) compared with high QFD. There was no difference in diffusive resistance or chlorophyll content in Pelargonium X hortorum Bailey (sun tolerant) regardless of QFD treatment. Light saturation of net photosynthesis (Pn) occurred at higher light levels in impatiens treated with low QFD compared with those treated with high QFD. Light saturation in geraniums treated with high QFD was the same as in those treated with low QFD. Stomatal density in impatiens was greater, and stomatal area was smaller than in geranium. Physiological processes of impatiens appear to be more sensitive to changes in QFD than those of geraniums.
Influence of Cultural Practices on Postharvest Interior Performance of Two Species of Schefflera1
Authors: Braswell John H. , Blessington Thomas M. , Price James A. 
Published: October 2022

Abstract
Plant growth and quality were determined for 2 species of schefflera grown under 3 production light levels and 2 fertilizer treatments. High production light (828 μE m−2s−1) resulted in better growth of Brassaia actinophylla Endl. but generally had no effect on the growth parameters of Schefflera arboricola Hayata ex. Kanehira. Increasing fertilizer levels decreased plant growth and quality for S. arboricola in the production phase but caused no difference for B. actinophylla. However, after 3 months in an interior environment, B. actinophylla produced under the highest light level and S. arboricola produced under the lowest light level (276 μE m−2s−1) maintained better growth and plant quality. Both species receiving the lowest fertilizer treatment (200 mg N/pot·week) were better in growth and quality after 3 months indoors in contrast to the highest fertilizer treatment (400 mg N/pot·week).
Effects of Long-term Dark Storage on Quality of Schefflera1
Authors: Ben-Jaacov J. , Poole R. T. , Conover C. A. 
Published: October 2022

Abstract
Storage of Brassaia actinophylla Endl. (schefflera) for 30 days in the dark at 18°C temporarily reduced plant quality, but did not affect foliage color. Plants recovered from dark storage within 17 days after transfer to an environment with 15 μEm−2sec−1.
Fertilization of ‘Roosevelt’ Fern1
Authors: Gilliam Charles H. , Crockett D. James , Shumack Ronald L. , Evans Clyde E. 
Published: October 2022

Abstract
Nephrolepsis exaltata (L.) Schott cv. Rooseveltii was grown with 3 fertilizer rates (50, 150, and 300 ppm N) applied as 20N-8.7P-16.7K fertilizer at 3 frequencies (1, 2, and 3 times weekly). Plant dry weight and frond number were similar for ferns receiving 150 ppm N, 2 or 3 times weekly, and 300 ppm N, 3 times weekly. Ferns treated with 300 ppm N, 2 or 3 times a week, had a greater concentration of tissue N and were greener than ferns treated with 150 ppm N, 2 or 3 times weekly, or ferns treated with 300 ppm N, once weekly. P and K tissue concentrations were similar for all treatments with the exception of ferns treated with 50 ppm N.
Nitrogen and Potassium Nutrition in Relation to Growth of Andorra Juniper in a Sawdust-sphagnum peat Medium1
Authors: Hicklenton Peter R. 
Published: October 2022

Abstract
Brickett isobutylidene diurea (IBDU), at 3.4 kg N/m3 in combination with either potassium muriate (KC1) or fritted potassium (K-frit) at 0.4 or 0.8 kg K/m3 in a sawdust-sphagnum peat medium, produced growth and visual quality in container-grown Juniperus horizontalis Moench cv. Plumosa Compacta equal to that of plants grown with weekly liquid fertilization (2.7 N and 2.2 g K/plant per week). Finer IBDU granules (ca 0.7 mm diameter) at either 1.7 or 3.4 kg N/m3 produced inferior quality plants and less seasonal growth. Tissue N remained fairly constant in 3.4-kg N/m3 brickett IBDU treatments throughout the season, but decreased steadily with both rates of fine granules. Tissue K was lower through the season with K-frit than with either a single (0.4-kg K/m3) or double (total 0.8-kg K/m3) application of K-muriate (KC1). Neither K rate nor source had a consistent effect on plant growth or quality over all sources and rates of IBDU.
Foliar Sorption of Sulfur Dioxide, Nitrogen Dioxide, and Ozone by Ornamental Woody Plants1
Authors: Elkiey T. , Ormrod D. P. , Marie B. 
Published: October 2022

Abstract
Excised shoots of 10 shade tree species were exposed for 6 hours to 40 pphm (vv−1) sulfur dioxide (SO2), 40 pphm nitrogen dioxide (NO2), or 25 pphm ozone (O3) separately or in mixture. Sorption rates were generally greater in coniferous than in deciduous shoots and higher for SO2 than NO2. Adsorption on leaf surfaces was greater than absorption through stomates for 4 of 5 species in which the 2 forms of sorption could be separated, while sorption from single gases was similar to that from mixed gases for these species. For the 5 species in which transpiration continued in darkness, sorption from the mixture was consistently less than from single gases.
Identification of Seedless Table Grape Cultivars and a Bud Sport with Berry Isozymes1
Authors: Schwennesen Jean , Mielke E. A. , Wolfe W. H. 
Published: October 2022

Abstract
Isozyme banding patterns from ripe berry extracts made it possible to distinguish between 3 cultivars of table grape (Vitis vinifera L. cvs. Perlette, Thompson Seedless and Superior Seedless) and an earlier ripening bud sport of ‘Superior Seedless’. Catechol oxidase provided the most useful data as it was possible to distinguish between all 4 samples. Differences in banding patterns were noted in acid phosphatase, esterase, alcohol dehydrogenase, indophenol oxidase and leucine aminopeptidase. No differences were observed in the banding patterns for catalase, glutamate-oxalacetate transaminase, peroxidase, malic enzyme or malate dehydrogenase.
AVG Increases the Yield of Young ‘Delicious’ Apple Trees1
Authors: Walsh Christopher S. , Faust Miklos 
Published: October 2022

Abstract
Bloom application of aminoethoxyvinylglycine (AVG) increased the fruit yields of ‘Ultra Red Delicious’ apple (Malus domestica Borkh.) trees. In one season, sprays of 50 ppm AVG were more effective in increasing yield than those of 500 ppm. In the second season, treatment with 150 and 225 ppm AVG was most effective. High levels of AVG (> 225 ppm) caused excessive fruit set and decreased fruit size. Ethylene evolution from developing fruits and fruiting spurs was decreased by AVG treatment.
Field Resistance of Peach Cultivars to Gummosis Disease1
Authors: Daniell J. W. , Chandler W. A. 
Published: October 2022

Abstract
Twenty-seven cultivars of peach [Prunus persica (L.) Batsch] and 4 seedling clones were evaluated over a 3 year period for susceptibility to gummosis disease caused by Botryosphaeria dothidea (Moug. ex Fr.) ces. & de Not. ‘Harbrite’ was highly resistant while ‘Pekin’, ‘Harmony’, ‘Redskin’, ‘Harken’ and ‘White English’, a seedling clone, exhibited some degree of resistance. All other cultivars were susceptible.
Chilling Injury in Leaves of Citrus Plants at 1.7°C1
Authors: Yelenosky George 
Published: October 2022

Abstract
Leaves of different citrus selections (Citrus sp.) developed visible bleaching (low chlorophyll content) within 14 days during constant 1.7°C and less than 500 μE/m2per sec (PAR) continuous light regimes in controlled temperature facilities. Leaves did not bleach at 21.1° and 10° in continuous light and/or in the dark at 1.7°. Larger amounts of amino acids leaked from bleached than nonbleached leaves and leaf disks from bleached leaves had lower rates of O2 uptake during respirometry at 30°. Plants at 1.7° for 14 days in continuous light were injured more than plants conditioned at 10° during 4-hr freeze tests at −6.7°.
Inheritance of a Green Stem Mutant in Asparagus1
Authors: Peirce L. C. 
Published: October 2022

Abstract
Progenies of 25 sib matings among 5 staminate and 5 pistillate green-stemmed parents of asparagus (Asparagus officinalis L.) were classified by stem color. Subsequently, purple offspring of these crosses were mated to single staminate or pistillate plants, and green offspring were mated to staminate and pistillate plants of the purple cultivar ‘Viking’. Chi Square tests supported a mechanism of inheritance based upon interaction between 2 linked genes. One dominant gene I apparently inhibits expression of dominant P (purple stem). Linkage of between 30% and 40% crossover units is suggested by observed ratios.
Anticrustant Effects on Soil Mechanical Resistance and Seedling Emergence1
Authors: Hemphill Delbert D. 
Published: October 2022

Abstract
Soil mechanical resistance or crusting was reduced by vermiculite, H3PO4, Nalco 2190, neutral NH4H2PO4, and sulfuric acid when applied as a band over the seed row. Vermiculite was the most effective anticrustant followed by H3PO4. The greatest stands and yields of carrot (Daucus carota L.), cucumber (Cucumis sativus L.), lettuce (Lactuca sativa L.), and onion (Allium cepa L.) were usually obtained with vermiculite. Phosphoric acid tended to increase yields even when the stand was thinned to equal that in the control treatments. Other anticrustants had little effect on stands or yields.