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In vitro selection for spot blotch resistance in wheat

By: Chang Naitao | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico).
Contributor(s): Duveiller, E.|Dubin, H.J.|Reeves, J.|McNab, A [eds.] | Gao Zenggui [coaut.] | Jia Xianlu [coaut.] | Wu Wei [coaut.] | Wu Yousan [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Mexico, DF (Mexico) CIMMYT|UCL|BADC : 1998ISBN: 970-648-001-3.Subject(s): Bipolaris | Blotches | Callus | Disease resistance | Embryonic development | In vitro selection | Plant diseases | Spots | CIMMYT | Triticum | Plant breeding AGROVOCDDC classification: 633.1194 Summary: Spot blotch of wheat, caused by Bipolaris sorokiniana (syn. Helminthosporium sativa), is an important wheat disease in China. The main varieties currently grown in China are susceptible to the disease, and sources of resistance are limited. A research program was undertaken in 1988-92 to improve resistance by developing a practical procedure for somaclonal selection for spot blotch resistance. Resistance enhanced mutants were obtained from four spring wheats. After field testing the regenerated plantlets for four successive generations, resistance was found to be stable. Resistance evaluation in the field suggested that in vitro selection of embryonic calli using H. sativa toxins was effective. The mutants obtained expressed higher levels of stable, heritable resistance.Collection: CIMMYT Publications Collection
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Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection 633.1194 DUV (Browse shelf) 1 Available 1K624337
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Spot blotch of wheat, caused by Bipolaris sorokiniana (syn. Helminthosporium sativa), is an important wheat disease in China. The main varieties currently grown in China are susceptible to the disease, and sources of resistance are limited. A research program was undertaken in 1988-92 to improve resistance by developing a practical procedure for somaclonal selection for spot blotch resistance. Resistance enhanced mutants were obtained from four spring wheats. After field testing the regenerated plantlets for four successive generations, resistance was found to be stable. Resistance evaluation in the field suggested that in vitro selection of embryonic calli using H. sativa toxins was effective. The mutants obtained expressed higher levels of stable, heritable resistance.

English

9806|AGRIS 9802

Jose Juan Caballero

CIMMYT Publications Collection

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Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org