Author(s):

Vaibhav Singh, Anand Kumar Singh, Saurabh Singh, Ashutosh Kumar and Kumari Shikha

Abstract: Broccoli, being a Cole crop, is a heavy feeder of plant nutrients. So, effective and appropriate concentration of micronutrients i.e., ammonium molybdate and boric acid, in maximization of broccoli yield (Brassica oleracea var. italica) cv. Pusa KTS-1 was studied under Varanasi field condition. In this investigation, effect of five micronutrients namely, ammonium molybdate {(NH₄)₂MoO₄)}, boric acid (H₃BO₃), copper sulphate (CuSo₄), ferrous sulphate (FeSo₄) and zinc sulphate (ZnSo4) on broccoli growth and yield were assessed. The result clearly indicated that the treatment (T₁₅) zinc sulphate @ 0.60% exhibited highest plant height (63.29 cm), leaf length (43.63 cm), leaf width (22.60 cm), fresh plant weight (1908.83 g) and phenol content (8.86%). However, foliar application of (T₅) boric acid @ 0.40% resulted in increased fresh curd weight (411.87 g), non-reducing sugar (1.80 %) and it also induced earliness (61.44 days). Thus, these micronutrients are one of the most important aspects for attaining higher yield and quality of broccoli.

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