Effect of foliar application of orthosilicic acid on leaf and fruit nutrient content of apple cv. “Red Delicious”.
Journal Title: Advance Research Journal of Multidisciplinary Discoveries - Year 2017, Vol 20, Issue 20
Abstract
Present investigation on the “Effect of foliar application of orthosilic acid on leaf and fruit nutrient content of apple cv. Red Delicious.” was undertaken at a private orchard Pulwama during 2014 and 2015. The experiment comprising of five treatments viz, control, orthosilicic acid @ 0.5 ml/litre, 0.75 ml/litre, 1.5 ml/litre and 3.0 ml/litre was laid out in Randomized Complete Block Design with three replications. The trees were treated with foliar sprays of orthosilicic acid at green tip stage, petal fall stage, fruitlet stage, fruit development stage-II and fruit development stage-III. The results revealed that leaf and fruit nutrient content was significantly affected by treatments. Maximum leaf N (2.18 and 2.15 %), P (0.30 and 0.27 %), K(2.21 and 2.18 %) and Ca (1.95 and 1.90 %) content and fruit N (0.53 and 0.57 %), P (0.052 and 0.057 %), K (0.65 and 0.69 %) and Ca (0.060 and 0.064 %) content was recorded in trees sprayed with orthosilicic acid @ 3.0 ml/litre during the two years respectively which was at par with leaf N (2.07 and 2.04 %), P (0.28 and 0.24 %), K (2.09 and 2.03 %) and Ca (1.85 and 1.81 %) content and fruit N (0.51 and 0.55 %), P (0.050 and 0.053 %). K (0.63 and 0.66 %) and Ca (0.058 and 0.062 %) content in trees sprayed with orthosilicic acid @ 1.5 ml/litre. In conclusion the result of this study highlights the role of silicon in improving nutrient content in apple
Authors and Affiliations
Kousar Javaid, Fayaz Ahmad Misgar
Keywords
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