Author(s):

Niranjan Kumar Chaurasia, Porinita Borah, Praveen Kumar, Hiramani Barman and Prabalee Sarmah

Abstract: The experiment was conducted in two rabi crop season, 2015-2016 and 2016-2017 in the Horticultural Experimental Farm, Assam Agricultural University, Jorhat with six Line and three Testers following L x T matting design and different qualitative traits were recorded.Among the nine parental lines only Longai has whitish pulp colour. In contrast to this eight hybrid combinations viz.,Utsav x JC-1, Utsav x SM-6-7, Utsav x Longai, DH x Longai, MLC-3 x Longai, MLC-1 x Longai, BM x Longai and SX x Longai were also found to have whitish pulp colour which can be exploited for commercial cultivation as whitish pulp colour variety is preferred by most of the Indian people. These crosses can be exploited for developing high quality hybrids. The F₁ hybrid combinations Utsav x JC-1, Utsav x Longai, DH x SM-6-7, MLC-3 x JC-1, MLC-3 x Longai, MLC-1 x JC-1, MLC-1 x SM-6-7, MLC-1 x Longai and BM x JC-1 showed field resistance to all the three biotic stresses like phomopsis blight, bacterial wilt and brinjal fruit and shoot borer under natural field condition which could be exploited commercially

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