Author(s):

Akhilesh Singh, Sonia Sood and Amandeep Kaur

Abstract: A line x tester study was conducted at Experimental Farm, Department of Vegetable Science and Floriculture, CSK Himachal Pradesh Krishi Vishwavidyalaya, Palampur during Summer-Rainy season of 2018 using 12 lines and two diverse testers to measure the extent of heterosis over better parent and standard commercial check ‘Palam Komal’. The overall maximum positive significant heterosis for fruit yield per plant was observed in cross Parbhani Kranti x Hisar Unnat (2.47%) over better parent and (48.37%) over standard check. Negatively heterotic crosses over standard check like P-23 x 9801 and Japan 5 Ridged x Hisar Unnat for days to 50 per cent flowering (-5.23% and -4.98%, respectively) were important for earliness in okra. Out of 24 cross-combinations, 20 crosses exhibited significant standard heterosis in any given direction for fruit yield per plant. Cross-combination Parbhani Kranti x Hisar Unnat exhibited high standard heterosis and per se performance for fruit yield per plant thus could be exploited commercially after further evaluation.

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