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ARS Home Pacific West Area Davis, California Crops Pathology and Genetics Research Docs





- Kendra Baumgartner
- Gregory Browne
- Cai-Zhong Jiang
- Takao Kasuga
- Daniel Kluepfel
- Andrew McElrone
- Amisha Poret-Peterson
- Kerri Steenwerth
- Mysore Sudarshana
- Thomas Tai
- Steven Ostoja

Principal Investigatorsheadline bar **Kendra Baumgartner**Research Plant Pathologist(530) 754-7461 Kendra.Baumgartner@USDA.GOV
**Sustainable Viticulture:** Examining the effects of viticultural practices (weed control, cover crops) on mycorrhizal fungi. Epidemiology and control of grapevine diseases (Pierce's disease, Armillaria root disease).
 **Greg Browne**Research Plant Pathologist  (530) 754-9351 Gregory.Browne@USDA.GOV
**Tree Crop:** Biology and control of soilborne diseases that affect tree fruits, nuts, and grapes; detection and identification of Phytophthora spp.
 **Cai-Zhong Jiang**Research Plant Physiologist   (530) 752-7060 CaiZhong.Jiang@USDA.GOV
**Sustainable Floriculture:** Develop sustainable production systems to enhance productivity while reducing loses due to post harvest disease, longevity and quality issues. Understand the molecular basis of plant senescence and abscission.
 **Takao Kasuga**Molecular Geneticist(530) 752-0766 Takao.Kasuga@USDA.GOV
**Tree Crop:** Comparative genomics and transcriptomics. Investigate the contribution of epigenetics to invasive biology of plant pathogenic microbes.
 **Daniel Kluepfel**Research Leader/ Location Coordinator (530) 752-1137Daniel.Kluepfel@USDA.GOV
**Tree Crop:** Molecular microbial ecology of the rhizosphere. Characterize both individual bacterial species and the microbial community which occupy the rhizopshere of important fruit and nut crops such as walnut, almonds and grapes and understand how they interact and communicate with their plant hosts.
 **Andrew McElrone**Research Plant Physiologist(530) 754-9763Andrew.McElrone@USDA.GOV
**Sustainable Viticulture:** Development of irrigation practices for vineyard systems that optimally produce grapes while minimizing water usage and negative environmental impacts. Understand irrigation practices and water quality on environmental factors that may affect vine physiology, yield, and grape quality in different rootstock/scion combinations.
 **Amisha Poret-Peterson**Microbiologist (530) 754-5849 Amisha.PoretPeterson@USDA.GOV
**Tree Crop:** Explore soil microbial ecology, soil-borne plant pathogens, and the effects of organic amendments on soil communities and processes.
 **Steven** **Ostoja**Director, Regional Climate Hub (530) 752-3092 Steven.Ostoja@USDA.GOV
**Tree Crop:** The Climate Hub’s mission is to help California farmers, ranchers, forest land owners, and land managers maintain sustainable communities and ecosystems by adapting to climate variability and change.
To find out more about the USDA California Climate Hub visit:https://caclimatehub.ucdavis.edu/
 **Mysore Sudarshana (Sudhi)**Research Plant Pathologist  (530) 752-3621 Mysore.Sudarshana@USDA.GOV
**Tree Crop:** Applied and molecular biology with emphasis on detection and characterization of new viruses.
 **KerriSteenwerth**Soil Scientist (530) 752-7535 Kerri.Steenwerth@USDA.GOV
**Sustainable Viticulture:**Ecological approaches for vineyard floor management in Sustainable Viticulture.
 **Tom Tai**Research Geneticist(530) 752-4342 Thomas.Tai@USDA.GOV
**Rice Genetics:** Improve rice germplasm for temperate environments and solve problems facing the U.S. rice industry through the application of molecular genetics and genomics approaches.


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