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Dissecting heterosis in guinea-race sorghum   Sokona Dagnoko

Dissecting heterosis in guinea-race sorghum

356 страниц. 2013 год.
Scholars' Press
Semi-Arid and Sahelian Africa (SASA) has unpredictable rainfall patterns due to large fluctuations in the amount of rains and rainfall distribution, erratic onset of the rainy season (often leading farmers to late sowing and/or replanting of their fields), erratic rainfalls at the end of the rainy season, occurrence of drought spells at any time during the rainy season or terminal drought due to premature ending of rains often causing zero harvest. In this zone, unfavorable for growing most other cereals, “nature cared” crops of sorghum and millet, are vital to food security. This condition is, for sorghums -guinea race in particular, due to their possessing numerous adaptive traits that make them desirable for cultivation in the harsh climatic conditions of SASA. However, sorghum yield is very low in this region, still below a ton/ha. The author uses conventional breeding, quantitative genetics and SSR markers to dissect heterosis to explore the feasibility of exploitation of this...
 
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