Effect of Chemical Manipulation on Growth, Yield and Fiber Traits of Compact Cotton
B. Rakavi, C. N. Chandrasekhar, M. Kumar, L. Arul, N. Manikanda Boopathi, P. Jeyakumar, D. Vijayalakshmi
Current Journal of Applied Science and Technology · pp. 61–69 · Published 18 Dec 2020
10.9734/cjast/2020/v39i4031113Abstract
Crop management is one of the most important factors in modern agricultural activity. Studying the balance of growth stages and supplying optimal quantities of mineral nutrients and hormones to growing plants is essential to improve yield in short duration cotton varieties. In recent years, several approaches have been tried to break this yield plateau. The present investigation was intended to study and improve the yield of newly released variety Co 17 (compact cotton) by foliar application of nutrients, growth hormones, growth retardants and nutrient consortium. The treatments are mepiquat chloride (0.015%), potassium silicate (0.5%), Potassium schoenite (0.5%), borax (0.3%), salicylic acid (0.01%), calcium silicate (0.5%) and TNAU cotton plus (1.25%). Foliar application of different treatments at peak vegetative and flowering stage significantly influenced the leaf traits, root traits, and yield. Nutrient consortium (TNAU cotton plus – 53% over control) and growth retardant (mepiquat chloride- 42% over control) increased the seed cotton yield.
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