Dhaneshwar B Patil*, Sahab Kumar Patel, Gopilal Anjana, Sumit Kakade, Ankit Khichi, Vishal Raut, Moni Thomas and Niraj Tripathi
Email: dhaneshwarpatil9393@gmail.com
Received-09.12.2021, Revised-04.01.2022, Accepted-15.01.2022
Abstract: A field investigation to evaluate the impact of foliar spray of nutrients (NPK, micronutrients and NPK + micronutrients) on Bt-cotton was conducted in the research field of Jawaharlal Neharu Krishi Vishwa Vidyalaya (JNKVV), Jabalpur, Madhya Pradesh, India during July-2020 to January-2021. Foliar spray of NPK, micronutrients and NPK + micronutrients was the three treatments evaluated against the control. The plants growth indicators recorded were plant height, thickness of stem and number of sympoidal branches; while yield indicators were number of bolls, width of bolls, fibre+seed cotton yield and plant biomass as fuelwood. The mean plant height (MPH) was highest (67.6cm) for micronutrients on 55th day after sowing (DAS) i.e., before the foliar spray of treatments. The MPH was highest on plants treated with NPK. It was 113.7cm, 132.4cm and 137.6cm on 85th, 130th and 180th DAS. Similarly, the highest mean thickness of stem (14.67mm), mean number of sympoidal branches (29.71 plant-1), mean number of bolls (62.14 plant-1), mean width of boll (36.50mm), mean weight of fibre+ seed (270.00g) and mean weight of plant biomass (727.14g plant-1) was also recorded under foliar spray of NPK. There was no significant difference among the treatments for mean thickness of stem and mean weight of fibre+seed.
Keywords: Cotton, Polypropylene bags, Doubling of farmers income, Nutrients, Foliar application, stem thickness
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