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Bread wheat varietal development by selection for complete resistance to yellow rust

By: Kiriswa, F | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Addis Ababa (Ethiopia).
Contributor(s): Daniel, D.L [coaut.] | Kirigwi, F.M [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Addis Ababa (Ethiopia) CIMMYT : 1999ISBN: 92-9146-058-3.Subject(s): Agronomic characters | Breeding methods | Disease control | Performance | Plant diseases | Rusts | Selection | CIMMYT | Triticum | Genotypes AGROVOC | Plant breeding AGROVOCSummary: From 11,000 bread wheat introductions screened in Kenya between 1984 to 1986, six genotypes were selected with stable resistance to leaf, stem and yellow rust and with good agronomic performance. These selections were crossed with three Kenyan commercial cultivars in a half diallel. Selection for near complete or complete resistance to yellow rust and good agronomic performance was performed at each generation of advancement. Twenty-one F7 genotypes, representing 1O crosses were ultimately selected. These were entered into preliminary yield trials in 1992 and 1993. Seven entries were advanced to the National Performance Trial in 1994, 1995 and 1996. Three genotypes K.7635, K.7638, and K.7642 are now being considered for release.Collection: CIMMYT Publications Collection
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Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection Look under series title (Browse shelf) 1 Available 1L629146
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From 11,000 bread wheat introductions screened in Kenya between 1984 to 1986, six genotypes were selected with stable resistance to leaf, stem and yellow rust and with good agronomic performance. These selections were crossed with three Kenyan commercial cultivars in a half diallel. Selection for near complete or complete resistance to yellow rust and good agronomic performance was performed at each generation of advancement. Twenty-one F7 genotypes, representing 1O crosses were ultimately selected. These were entered into preliminary yield trials in 1992 and 1993. Seven entries were advanced to the National Performance Trial in 1994, 1995 and 1996. Three genotypes K.7635, K.7638, and K.7642 are now being considered for release.

English

0007|AGRIS 0101|AL-Wheat Program

Jose Juan Caballero

CIMMYT Publications Collection

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Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org