Author(s):

Anindita Das, Manabendra Ray, Kanu Murmu and Soumik Dey

Abstract: A field experiment was carried out in the CR Farm of Gayeshpur, BCKV, Nadia, West Bengal, India during rabi season of 2015-16 and 2016-17 to find out suitable hybrid variety and optimum spacing for different hybrids. Three hybrid varieties of mustard viz. Kesari 5111(V₁), Kesari 5222(V₂) and Kesari Gold(V₃) were taken as treatments in the main plot, whereas, four spacing - 30cm ×10cm (S₁), 30cm × 20cm (S₂), 40cm × 20cm (S₃) and 40cm × 30cm (S₄) were imposed as subplot treatment. The experiment was conducted in split plot design with 3 replications and repeated in rabi seasons for two consecutive years (2015-16 and 2016-17). The results of the experiment revealed that the maximum seed yield was recorded in Kesari Gold (1746 and 2153 kg ha^-1 respectively in 1^st and 2^nd year) followed by Kesari 5111. Regarding plant geometry significantly higher yield was noticed in 30 cm × 20 cm (1689 and 2244 kg ha^-1 respectively in 1^st and 2^nd year). The oil content and oil yield was greatly influenced by hybrid variety. It was observed that Kesari Gold variety recorded higher oil content (40.89 % and 41.45 % respectively in 1^st and 2^nd year) and oil yield of (713.97 kg/ha and 892.40 kg/ha respectively in 1^st and 2^nd year). The hybrid varieties of mustard are highly suitable in Gangetic plains of West Bengal due to their higher yields and oil content. Slightly wider spacing (30 cm × 20 cm) is suitable for hybrids because of their bigger canopy.

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