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Current status of breeding maize germplasm tolerant to major insect pests in the tropics

By: Bergvinson, D.J | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico, DF (Mexico).
Contributor(s): Beck, D.L [coaut.] | Betrán, F.J [coaut.] | Vasal, S.K [coaut.] | Vasal, S.K.|Gonzalez Ceniceros, F.|XiongMing, F [eds.].
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Los Baños, Laguna (Philippines) PCARRD : 2000Description: 11 pages.Subject(s): Maize | Mexico | Pest resistance | Research projects | Selection | Tropical zones | CIMMYT | Tropical maize | Zea mays AGROVOC | Plant breeding AGROVOCSummary: Host plant resistance (HPR) is an essential component in the integrated management of insects and diseases of maize causing losses in yield and grain quality. The International Center of Maize and Wheat Improvement (CIMMYT) has been able to develop maize germplasm resistant to insect attack during crop development as well as identify tolerant elite lines by screening elite CIMMYT germplasm. The best lines are presently being used in line recycling programs and in the formation of heterotic synthetics for both tropical and subtropical ecologies. The Entomology Program is continuing to develop sources of resistance to stem borers and armyworm through a recurrent selection program which has shown significant improvement over cycles of selection.. This paper reports on the elite lines presently identified for insect resistance as well as the research results on the biochemical basis of insect resistance and important interactions between soil fertility and HPRCollection: 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-3391 (Browse shelf) 1 Available 631358
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Host plant resistance (HPR) is an essential component in the integrated management of insects and diseases of maize causing losses in yield and grain quality. The International Center of Maize and Wheat Improvement (CIMMYT) has been able to develop maize germplasm resistant to insect attack during crop development as well as identify tolerant elite lines by screening elite CIMMYT germplasm. The best lines are presently being used in line recycling programs and in the formation of heterotic synthetics for both tropical and subtropical ecologies. The Entomology Program is continuing to develop sources of resistance to stem borers and armyworm through a recurrent selection program which has shown significant improvement over cycles of selection.. This paper reports on the elite lines presently identified for insect resistance as well as the research results on the biochemical basis of insect resistance and important interactions between soil fertility and HPR

English

0208|AGRIS 0201|AL-Maize Program|R01PROCE

CIMMYT Staff 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.
Lunes –Viernes 9:00 am. 17:00 pm. Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org