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Breeding and selection for drought resistance in tropical maize

By: Symposium on Principles and Methods in Crop Improvement for Drought Resistance: With emphasis on Rice (Philippines : 4-8 May 1981).
Contributor(s): Fischer, K.S | Johnson, E.C | Edmeades, G.O.
Material type: materialTypeLabelBookAnalytics: Show analyticsPublisher: Mexico : CIMMYT, 1982Description: 16 pages.Subject(s): Breeding methods | Drought resistance | Humid tropics | Photosynthesis AGROVOC | Rice | Tropical zones | Zea mays | Yields | Plant breedingOnline resources: Open Access through Dspace Summary: Throughout the lowland wet tropics, periodic nonprotracted drought caused by irregular rainfall distribution is responsible for sizable reductions in maize yield. This is particularly true when reduced water availability coincides with the critical stage of crop development--flowering. Such a drought cannot be escaped by genotype maturity or planting date, nor are other species necessarily better adapted. Improving resistance of maize to this particular type of drought, then, could enhance productivity and minimize farmer risk. From a comparison of sorghum and maize under drought, it appears that sorghum maintains photosynthesis and growth at lower waterCollection: CIMMYT Publications Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection CIM 0005-R EN (Browse shelf) 1 Available 610250
Conference proceedings CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Publications Collection CIM 0005-R EN (Browse shelf) 2 Available 610251
Total holds: 0

Open Access

Also available in Spanish

Throughout the lowland wet tropics, periodic nonprotracted drought caused by irregular rainfall distribution is responsible for sizable reductions in maize yield. This is particularly true when reduced water availability coincides with the critical stage of crop development--flowering. Such a drought cannot be escaped by genotype maturity or planting date, nor are other species necessarily better adapted. Improving resistance of maize to this particular type of drought, then, could enhance productivity and minimize farmer risk. From a comparison of sorghum and maize under drought, it appears that sorghum maintains photosynthesis and growth at lower water

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DSpace 2

CIMMYT Publications Collection

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