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Striga hermonthica control strategy through maize variety resistance/tolerance in Western Kenya

By: Odongo, O.M | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico).
Contributor(s): Abayo, G.O [coaut.] | CIMMYT|EARO | De Vries, J [coaut.] | Kling, J [coaut.] | Ojiem, J [coaut.] | Ransom, J.K [coaut.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Addis Ababa (Ethiopia) CIMMYT|EARO : 1999Description: p. 161-163.ISBN: 92-9146-065-6.Subject(s): Euchlaena mexicana | Kenya | Maize | Parasitic plants AGROVOC | Striga hermonthica | Temperature resistance | Weed control | Weeds | CIMMYT | Zea mays AGROVOC | Hybrids AGROVOCSummary: Sources of resistance for Striga hermonthica in maize is being sought through evaluation of local and introduced germplasm as well as molecular marker assisted back crossing of adapted maize germplasm to teosinte, its wild relative. Three sets of trials have been carried out since 1995. The initial work started with evaluation of local maize germplasm aimed at identifying sources of resistance to Striga. This was followed by evaluation of maize varieties reported by IITA, Nigeria, to be Striga tolerant or resistant in West Africa. The third effort is based on biotechnology concept. The teosinte x maize backcrosses were evaluated to identify resistant lines that will be sources of resistance through molecular marker backcrossing with adapted elite lines from western Kenya. The work done has identified two local open pollinated varieties and two hybrids from IITA Nigeria as promising maize varieties for Striga infested areas. The preliminary results from the molecular marker assisted backcrossing suggest presence of sources of resistance in a few lines derived from teosinte x maize backcrossing.Collection: CIMMYT Staff Publications Collection
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Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Staff Publications Collection CIS-2963 (Browse shelf) 1 Available 628346
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Sources of resistance for Striga hermonthica in maize is being sought through evaluation of local and introduced germplasm as well as molecular marker assisted back crossing of adapted maize germplasm to teosinte, its wild relative. Three sets of trials have been carried out since 1995. The initial work started with evaluation of local maize germplasm aimed at identifying sources of resistance to Striga. This was followed by evaluation of maize varieties reported by IITA, Nigeria, to be Striga tolerant or resistant in West Africa. The third effort is based on biotechnology concept. The teosinte x maize backcrosses were evaluated to identify resistant lines that will be sources of resistance through molecular marker backcrossing with adapted elite lines from western Kenya. The work done has identified two local open pollinated varieties and two hybrids from IITA Nigeria as promising maize varieties for Striga infested areas. The preliminary results from the molecular marker assisted backcrossing suggest presence of sources of resistance in a few lines derived from teosinte x maize backcrossing.

English

0103|AL Maize Program|AGRIS 0102|AJ|3

CIMMYT Staff Publications Collection

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