Genetic variation and interrelationships for several quantitative characters in segregating populations in lentil (Lens culinaris, Medic.) [Jordan]
1988
El-Titi, M.S.
Genetic variation and covariation in the F2, F3, F4 generations were studied for several characters in five crosses of lentil (Lens culinaris. Medic). Variation in the breeding populations varied between crosses and among generations with transgressive segregants observed in grain yield per plant, hundred seed weight and secondary branches. Broad sense heritability estimates ranged from 0.04 to 0.88 for number of seeds per plant; from 0.04 to 0.89 for number of pods per peduncle; from 0.03 to 0.93 for hundred seed weight; from 0.02 to 0.87 for secondary branches and from 0.02 to 0.92 for plant height. Narrow sense heritability was intermediate for grain yield per plant in cross 5 with value of 0.36 and for number of seeds per plant in crosses 1 and 5 with values of 0.51 and 0.34 for the tw1515o crosses respectively. Observed genetic advance ranged from 3.8 to 29.0% for grain yield per plant, from 3.6 to 33.2% for number of seeds per plant and from 7.1 to 54.5% for number of pods per plant. The highest positive significant association was found between grain yield and number of seeds per plant with r values ranged from 0.82 to 0.94, followed by the association between grain yield and number of pods per plant with r values ranged from 0.67 to 0.84. Moreover, the correlation between primary and secondary branches was positive with r values ranged from 0.28 to 0.41 and between plant height and lowest pod height was also positive with r values ranged from 0.38 to
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تم تزويد هذا السجل من قبل National Center for Agricultural Research & Extension