Temperature Sensitivity and Efficacy of Wheat streak mosaic virus Resistance Derived from CO960293 Wheat

Wheat yields often are limited by infection by Wheat streak mosaic virus (WSMV). Host plant resistance to WSMV can reduce losses. This study was conducted to characterize a new source of temperature-sensitive resistance found in CO960293 wheat. The source of the temperature-sensitive resistance in C...

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Veröffentlicht in:Plant disease. - 1997. - 90(2006), 5 vom: 01. Mai, Seite 623-628
1. Verfasser: Seifers, D L (VerfasserIn)
Weitere Verfasser: Martin, T J, Harvey, T L, Haber, S, Haley, S D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Wheat yields often are limited by infection by Wheat streak mosaic virus (WSMV). Host plant resistance to WSMV can reduce losses. This study was conducted to characterize a new source of temperature-sensitive resistance found in CO960293 wheat. The source of the temperature-sensitive resistance in CO960293 is unknown. Parental and other wheat lines were tested for WSMV resistance using 51 WSMV isolates under different temperatures to determine the stability of the resistance, and yield trials were conducted in the field for 3 years. All parental wheat lines became infected by WSMV at all temperatures and were infective in back assay to 'Tomahawk' wheat. No WSMV isolate defeated the resistance of CO960293 at 18°C. Yield of CO960293 in field trials was reduced in only 1 of 3 years. Our data demonstrate that this wheat line can be a valuable source of resistance to WSMV in wheat programs, particularly in areas where temperatures are cool following planting in the fall 
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700 1 |a Harvey, T L  |e verfasserin  |4 aut 
700 1 |a Haber, S  |e verfasserin  |4 aut 
700 1 |a Haley, S D  |e verfasserin  |4 aut 
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