Accès ouvert
2014
article
OpenAlex
George Bruening, Bruce C. Kirkpatrick, Thomas Eßer, R. K. Webster
An outbreak of Pierce's disease of grapevine in the Temecula Valley in the late 1990s was one in a decades-long series of sporadic appearances of this infection in California.However, the new outbreak was qualitatively different because of the rapidity with which it …
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Accès ouvert
2014
article
OpenAlex
George Bruening, Bruce C. Kirkpatrick, R. K. Webster, Thomas Eßer
California Agriculture - All Issues
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Accès ouvert
2014
article
OpenAlex
George Bruening, Bruce C. Kirkpatrick, Thomas Eßer, R. K. Webster
The academic and government research on GWSS and PD received support from the state's viticulture and enology industries and even local government before and during the Temecula Valley outbreak. Industry organizations partnering with CDFA and UC Division of Agriculture and Natural Resources …
Accès ouvert
2014
article
OpenAlex
George Bruening, Bruce C. Kirkpatrick, Thomas Eßer, R. K. Webster
The academic and government research on GWSS and PD received support from the state's viticulture and enology industries and even local government before and during the Temecula Valley outbreak. Industry organizations partnering with CDFA and UC Division of Agriculture and Natural Resources …
2013
article
OpenAlex
R. K. Webster
2010
article
OpenAlex
Patcharavipa Chaijuckam, Jong‐Min Baek, C. A. Greer, R. K. Webster et autres
Six pairs of single-locus microsatellite primers were developed to study the population structure of Rhizoctonia oryzae-sativae, the cause of aggregate sheath spot disease of rice, among and within three rice-growing areas in California over a 3-year period. A high level of gene …
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2008
article
OpenAlex
L. L. A. Carter, John F. Leslie, R. K. Webster
The recent observance of Fusarium fujikuroi, the causal agent of Bakanae disease of rice, in California provides a unique opportunity to assess the population diversity of an introduced pathogen in a new environment. We collected 172 isolates of this pathogen between 2000 …
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Accès ouvert
2008
article
OpenAlex
Qifa Zhang, M. A. Saghai Maroof, R. K. Webster
Interrelationships of two character sets, quantitative characters and resistance to Rhynchosporium secalis, were studied in a world barley collection and in an experimental barley population, Composite Cross II (CCII). The characters within each set were found to be more closely correlated with …
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Accès ouvert
2008
article
OpenAlex
Outi Muona, R. W. Allard, R. K. Webster
MUONA, O., ALLARD, R. W. and WEBSTER, R. K. 1984. Evolution of disease resistance and quantitative characters in barley Composite Cross II: Independent or correlated?—Hereditas 101:143–148. Lund, Sweden. ISSN 0018–0661. Associations between quantitative characters and disease resistance were studied in barley Composite …
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2007
article
OpenAlex
R. K. Webster, Timothy Dellepenna, April Taylor, Christopher D. Roberts
2006
article
OpenAlex
R. K. Webster, Timothy M. Dellapenna
Includes beach profiles, core sampling by Sargassum team of Cindy Gorski, Deena Loy, David Schirum, Robert Thornton, and Robert Webster
2005
review
OpenAlex
R. K. Webster
This article relates some personal history and influences leading to becoming a plant pathologist. Next a summary of my research experiences on rice and barley diseases and the effect of regulatory changes on efforts to manage rice diseases in California. I conclude …
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