Ajmal Hussain Zai, R.P.S. Dalal*, Dinesh Kumar, B.S. Beniwal and Jaipal jaipal
Department of Horticulture, CCS Haryana Agricultural University, Hisar- 125 004 (Haryana), India
Email:dalal08@rediffmail.com
Received-28.06.2021, Revised-11.07.2021, Accepted-23.07.2021
Abstract:The aim of present study was to study the effect of foliar spray of different nutrients (potassium sulphate, potassium nitrate and potassium orthophosphate) on yield and leaf nutrient content in peach cv. Shan-i-Punjab at different concentrations. The treatments were applied as foliar spray in the end of March at pit hardening stage. Highest total yield (63.03 kg/tree) and fruit weight (83.50g) was obtained with the foliar application of KNO3 (3%) closely followed by 2% levels of KNO3 and K2SO4.K2SO4 (1.5-2.0%) spray advanced fruit maturity 4 days by increasing the yield in first picking (70-72%) over control. Maximum leaf N & K (2.57 & 1.03%) was obtained in KNO3 @ 3% spray whereas maximum P (0.22%) in KH2PO4.
Keywords: Foliar spray, fruit yield, peach, potassium nitrate, potassium orthophosphate, potassium sulphate
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