Character application and path coefficient analysis in sesame (Sesamum indicum L.)

Alam, S.; Biswas, A.K.; Mandal, A.B.

Environment and Ecology 17(2): 283-287


ISSN/ISBN: 0970-0420
Accession: 003063440

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Correlation and path analysis were carried out in a set of seven parents and their all possible F1 generation with respect to yield and yield components. Seed yield/plant and oil yield/plant were highly significant and positively correlated with root length and root dry weight at 40 days age, maturity, plant height, branches/plant, capsule on main branch, capsules/plant, 1000-seed weight and harvest index. Oil yield/plant was positively associated with seed yield/plant. The highest direct and positive contribution at genotypic level was made by maturity followed by root length at 40 days age, harvest index, capsules/plant root weight at 20 days age, branch/plant and seeds/capsule. The ideotype to achieve high seed yield/plant in sesame should be a tall plant with deep and stout root system at early growth stages and adequate number of primary branches having high numbers of capsules on main branch and capsules/plant with high seed test weight and harvest index.