volume 29 issue 2 (june 2006) : 106 - 109
INTERRELATIONSHIP AMONG YIELD COMPONENTS IN EARLY GENERATIONS OF BLACKGRAM {VIGNA MUNGO (L.) HEPPER}
1Department of Plant Breeding and Genetics
Assam Agricultural University, Jorhat - 785 013, India
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Legume Research
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volume 29 issue 2 (june 2006) : 106 - 109
INTERRELATIONSHIP AMONG YIELD COMPONENTS IN EARLY GENERATIONS OF BLACKGRAM {VIGNA MUNGO (L.) HEPPER}
1Department of Plant Breeding and Genetics
Assam Agricultural University, Jorhat - 785 013, India
ABSTRACT
The study of interrelationships among yield components in early generations (F2 to F4) of blackgram revealed that the seed yield is an inherent function primarily of pod number and harvest index. A stable trend of positive correlation was also observed between plant height and pod number, pod length, seeds per pod, 100-seed weight, harvest index and grain yield per plant. More over, pod length and seeds per pod showed a positive relationship in almost all the segregating generations of the crosses. A change in degree and magnitude of correlation coefficients in different crosses and in different segregating generations was also observed in the present study which may be attributed to the differences in gene association of the parental lines and the differential segregation and recombination occurring in the early segregating generations.
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Published In
Legume Research