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Rhiana F. Jones, Paul W. Bosland, Robert L. Steiner, Richard W. Jones, and Mary A. O’Connell

resistance against all disease syndromes caused by P. capsici: i.e., root rot, foliar blight, fruit rot and, stem blight ( Alcantara and Bosland, 1994 ; Walker and Bosland, 1999 ). To date, the genetic basis for resistance is not yet fully understood and

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Ryan S. Donahoo, William W. Turechek, Judy A. Thies, and Chandrasekar S. Kousik

The stramenopile plant pathogen Phytophthora capsici Leon. causes root, crown, and fruit rot on a large number of high-value vegetable crops ( Granke et al., 2012 ; Hausbeck and Lamour, 2004 ). Initially described by Leonian as a pathogen of

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Ariadna Monroy-Barbosa and Paul W. Bosland

pathogen presents different physiological races for the syndromes root rot and foliar blight, breeding P. capsici -resistant cultivars has been an arduous task ( Glosier et al., 2007 ; Oelke et al., 2003 ; Sy et al., 2008 ). P. capsici requires two

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Kendra Baumgartner, Phillip Fujiyoshi, Greg T. Browne, Chuck Leslie, and Daniel A. Kluepfel

root rot) ( Mircetich et al., 1998 ). As such, 80% of walnut orchards are planted on Paradox rootstock, a seed-propagated hybrid of J. hindsii (Northern California black walnut) and J. regia , which is more vigorous, more resistant to some

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Karen K. Schneck, Cheryl R. Boyer, and Chad T. Miller

treatments of the entire dahlia crop. Biological fungicide applications (RootShield; BioWorks) were applied between 1 and 2 weeks after potting to reduce the incidence of root rot pathogens. Dahlias were pinched 2 weeks after potting to leave two nodes

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Chandrasekar S. Kousik, Jennifer L. Ikerd, Patrick Wechter, Howard Harrison, and Amnon Levi

data) caused by P. capsici and 205 PIs for resistance to fruit rot ( Kousik, 2011 ) and there appears to be no clear correlation between resistance in fruit and resistance in seedling to the same pathogen. Because fruit rot is a major problem in

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Christopher S. Cramer and Joe N. Corgan

yield, average bulb weight, and percentage of single centers of NuMex Mirage as compared with Texas Early White when grown on soil moderately infested with pink root and Fusarium basal rot pathogens at the Fabian Garcia Research Center, Las Cruces, NM

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Charles S. Krasnow, Andrew A. Wyenandt, Wesley L. Kline, J. Boyd Carey, and Mary K. Hausbeck

incubation for 3 d in a moist chamber (C.S. Krasnow, unpublished data). Similarly, the fruit of root rot–resistant ‘Paladin’, ‘Aristotle’, ‘Declaration’, and ‘Snapper’ were susceptible to the pathogen ( Foster and Hausbeck, 2010 ). Temperatures unfavorable

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Manuela Baietto and A. Dan Wilson

, particularly wood-rotting fungi that decay living sapwood. Common root-rot fungal pathogens in the southern United States such as Armillaria and Ganoderma species are often particularly damaging in cities because they compromise the stability of urban trees

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Barbara J. Smith

anthracnose fruit rot pathogen, C. acutatum , was first reported on strawberry in the United States ( Smith and Black, 1986 ). Increased losses due to anthracnose fruit and crown rots in the United States since the 1980s may be related to the shift from