Selection index in horse gram (Dolichos biflorus L.)
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Date
1980
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Department of Agricultural Botany, College of Agriculture, Vellayani
Abstract
The present biometric study was carried out in the College of Agriculture, Vellayani during the year 1979-80 with fifteen varieties of horse gram (Doliches biflorus L.) to formulate a suitable selection index for yield.
The observation plants were studied individually for the following characters.
(1) Seed yield per plant
(2) Number of pods per plant
(3) Number of seeds per pod
(4) 100-seed weight
(5) Pod length
(6) Days to 500 flowering
(7) Height of plant
(8) Number of branches
(9) Days to maturity (duration).
The data obtained in the study were subjected to statistical analysis viz. estimates of mean for all the different varieties, analysis of variance in respect of the nine selected characters, estimates of components of variances, genotype, environmental and phenotypic coefficients of variations, heritability, genetic advance and studies of discriminant function and path coefficient analysis.
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PG
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