Development of selection criterion for high yield and low neurotoxin in grass pea based on genetic resources
2001
Sharma, R.N. | Chitale, M.W. | Ganvir, G.B. | Geda, A.K. | Pandey, R.L. (Indira Gandhi Agricultural Univ., Raipur 492 012 Chhattisgarh (India). Dept. of Plant Breeding and Genetics)
Results of the study indicated that in gene pool days to flowering, maturity and pod length were negatively correlated with seed yield/plant and pods/plant showed positive association with seed yield/plant. In erect plant type group seed yield/plant was found to have negative association with days to maturity and pod length. Pods/plant showed positive association with seed yield/plant and negative with ODAP [b-N-oxalyl L-a,b diaminopropionic acid] content (Neurotoxin). In spreading plant type days to flowering, maturity and pod length showed negative correlation with seed yield/plant. In green plant type group days to flowering and maturity showed negative association with seed yield/plant and ODAP content. In pigmented plant colour days to flowering and maturity showed negative association with seed yield/plant. Pods/plant showed positive association with seed yield/plant in the same group. In narrow leaf type group, seed yield/plant was positively correlated with branches/plant, pods/plant and seed/pod whereas, it has negative correlation with days to flowering and maturity. Hence, selection of narrow leaf plants for early maturity, more branching, more number of seeds/pod and more number of pods/plant would lead to the development of plant possessing higher seed yield/plant. Similarly, direct selection for high-seed yield/plant would lead to the development of low toxic plant in grass pea
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