Author(s):

PC Haldavnekar, SB Baviskar, RA Raut, AY Munj, MS Shedge and MP Sanas

Abstract: Alphonso is one of the choicest varieties grown in the Konkan region of Maharashtra. However, it has some inherited physiological disorders. Among them heavy fruit drop occurs at different stages of fruit growth, which ultimately affects the crop yield. To overcome the fruit drop in Alphonso mango; the field experiment entitled “Effect of micronutrient on yield and physico-chemical composition of Alphonso mango under Konkan agro-climatic conditions” was conducted at Regional Fruit Research Station, Vengurle to determine the effect of micronutrients (RDF with combination of zinc sulphate, boric acid, copper sulphate, borax) on the yield and quality of mango cv. Alphonso. Results revealed that the treatment T₅ (RDF + foliar spray of 0.4% zinc sulphate + copper sulphate (0.2%) + Borax (0.2%), spraying at just before flowering and marble stage of fruit growth recorded the highest number of fruits/tree (240.67) and fruit yield (6.41 t./ha). Further, the treatment T₄ (RDF + foliar spray of 0.4% zinc sulphate + boric acid (0.2%) spraying at just before flowering and marble stage of fruit growth recorded the highest T.S.S (19.35 ⁰B) and lowest acidity (0.13%).

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