July 2011
Plant architecture and its responses to high planting density and low fertilizer of reduced culm number mutants in rice (Oryza sativa L.)
Plant architecture is of major agronomic importance as it determines the potential grain yield depending on environmental conditions in rice (Oryza sativa L.). Here, we characterized plant architecture and its response to low fertilizer and high planting density in five rice “reduced culm number (rcn)” mutants; “rcn1-2, rcn2, rcn4-2, rcn5and rcn6”, originating...
July 2011
A breeding scheme for local adoption of cassava (Manihot esculenta Crantz)
In many rural communities, cassava mosaic disease (CMD) resistant varieties are being rejected by farmers owing to their inferior root qualities when compared to locally adapted varieties. In response to this challenge, we implemented a breeding scheme whose objective was to combine CMD resistance with farmer preferred root qualities, whose genes were respectively sourced for elite and local varieties. We...
July 2011
Reactions of traditional upland and aerobic rice genotypes to rice root knot nematode (Meloidogyne graminicola)
Aerobic rice cultivation is an efficient water saving strategy which maintains a significantly higher yield than traditional upland varieties. The upland rice in South East Asia is largely affected by parasitic rice root knot nematode, Meloidogyne graminicolacausing severe yield losses. In the present investigation 14 widely cultivated traditional upland varieties and 45 breeding genotypes improved for...
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