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Evaluation of f 1 hybrids resistant to bacterial wilt and inheritance of resistance in brinjal (lolanum melongena L.)
(Department of Olericulture, College of Horticulture, Vellanikkara, 1991) Geetha, Varghese; Abdul, Vahab M.
The present studies "Evaluation of F hybrids resistant to bacterial wilt and inheritance of resistance in brinjal ( Solanum melongena L . ) were conducted during February 1990 to July 1991in the vegetable research plots of Kerala Agricultural University,Vellanikkara. Evaluation of F hybrids over 4 environments revealed that all the 3 hybr ids were superior to their parents for yield during all the four seasons. It also indicated significant role of genotype x environment interaction in the yielding abi l ity of the hybrids. Considering wilt resistance the hybrids were not superior to their parents. Varietal difference was observed for plant height, fruits/plant, fruit weight, fruiting period and productive flowers. Estimation of heterosis of three F^s over their parents revealed significant heterosis for plant height, days to flower, days to first fruitset, days to harvest, primary branches/plant, total fruits/plant, total yield/plant, average fruit weight and fruiting period. All the three hybr ids viz. Surya x Pant Rituraj, SM 6-6 x SM 132, SM 6-2 x Pusa Purple Cluster were stable. Study on the nature of inheritance showed that resistance to bacterial wilt is inherited in a recessive and monogenic manner.