Jagat Singh1, Hans Raj2*, Neeraj Pawar3,Vikas Hooda4, D.S. Duhan2 and V.P.S. Panghal2
1Krishi Vigyan Kendra, Rohtak,
2Deptt. of Vegetable Science,
3Deptt. of Agri. Economics,
4Chaudhary Charan Singh Haryana Agricultural University, Krishi Vigyan Kendra, Fatehabad
Received-01.05.2022, Revised-13.05.2022, Accepted-24.05.2022
Abstract: A field experiment was conducted as “On-Farm-Trial” on farmers’fields by CCSHAU, Krishi Vigyan Kendra, Rohtak, Haryana during Rabiseason of 2018-19 and 2019-20. Trial was conducted at ten farmers’ field at different locations of district Rohtak.The Rabi onion variety Hisar Onion 4 was used for experimentation. The micronutrients were applied to the onion crop through foliar spray of “Multiplex General” which contains Zinc 3.0%, Boron 0.5%, Iron 1.5% and Copper 0.5%. Foliar spray above micronutrients mixture @ 250 ml in 100 litres of water per acre was done at 45 & 60 days after transplanting of the cropalongwith control treatments. Foliar application of micronutrients significantly increased the plant height (66.23cm) over control. In case of yield and its attributes, micronutrients application produced bigger size bulb which reflected in increased bulb diameter (6.17 cm) and weight (53.32 g) than that of untreated control and likewise the maximum and significantly higher yield i.e., 302.7 q/ha was reported in the treatment where micronutrients were applied at 45 and 60 days after planting (T2). The quality parameters such as total soluble solids (TSS)13.920Brix and 11.600Brix, dry matter 14.44% and 13.21%, have been reported in treated and control plots, respectively in onion variety HO-4.
Keywords: Foliar application, Onion, micronutrients, TSS
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