Effect of foliar application of Salicylic acid and Prohexadione-calcium on leaf nutrient content of apple cv. “Red Delicious”.
Journal Title: Advance Research Journal of Multidisciplinary Discoveries - Year 2017, Vol 20, Issue 20
Abstract
: Present experiment entitled “Effect of foliar application of salicylic acid and prohexadione-calcium on leaf nutrient content of apple cv. Red Delicious” was conducted at private orchard Nikas, Pulwama during 2014 and 2015. The experiment comprising of 10 treatments viz., control, salicylic acid (SA) @ 50 ppm, 100 ppm, 150 ppm and 200 ppm, prohexadione-calcium @ 600 ppm, SA @ 50 ppm + prohexadione-calcium @ 600 ppm, SA @ 100 ppm + prohexadione-calcium @ 600 ppm, SA @ 150 ppm + prohexadione-calcium @ 600 ppm and SA @ 200 ppm + prohexadione-calcium @ 600 ppm was laid out in Randomized Complete Block Design with three replications. The results revealed that leaf nutrient content was significantly affected by treatments during both the years. Highest leaf N (2.58 and 2.70 %), P (0.33 and 0.38 %), K (2.07 and 2.13 %) and Ca (2.20 and 2.23 %) content was recorded in trees sprayed with SA @ 150 ppm + prohexadione-calcium @ 600 ppm and lowest leaf N (2.01 and 1.98 %), P (0.12 and 0.16 %), K (1.75 and 1.78 %) and Ca (1.57 and 1.62 %) content was recorded in trees receiving no treatment. Thus it may be concluded from the present investigation that combined spray of salicylic acid and prohexadione-calcium proved beneficial in improving the nutrient content of apple trees.
Authors and Affiliations
Kousar Javaid, Fayaz Ahmad Misgar
Keywords
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