Six generations (P1, P2, F1, F2, BC1and BC2) of six crosses, namely ACS 97-1 x Punjab Guchhadar, ACS 98-9 x SG-5, SG-5 x Punjab Guchhadar, Arka Lohit x SG-5, ACG 77 x S 49 and Jwala x DPS 120 were evaluated for green fruit yield and its four important component characters. The data of six generations were subjected to scaling tests to detect epistasis and to estimate genetic parameters m, d, h, i, j and l. Non-additive gene effect was found to be more important in the inheritance of number of fruits per plant and fruit length as well as weight. Preponderance of additive gene effect was observed for inheritance of fruit girth and green fruit yield. Duplicate, Complementry and/or both types of epistatic gene actions were evidenced for all above characters. The heterosis breeding as well as development of inbreds with due selection pressure to component characters is suggested.
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Madras Agricultural Journal (MAJ)
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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