Author(s):

Jyoti Kumari, Ravindra Kumar, Suparna Sinha, Abha Kumari and Preeti Kumari

Abstract: In the present study entitled “Impact of chemicals on fruit set and yield contributing characteristics of mango (Mangifera indica L.) cv. Langra’’. The trial was conducted in 2014-2015 in Bihar Agricultural University, Sabour, Bhagalpur, Bihar. The treatments comprised calcium nitrate @ 0.06%, boron @ 0.2%, sorbitol 2.0 %, urea 3.0 %, NAA 10 ppm, potassium nitrate @ 2.0% and including one as control (water spray). The results showed a remarkable influence of different chemicals on fruit set and yield. Foliar spray of calcium nitrate at 0.06% was found to be the best treatment among seven in terms of fruit yield, length, width and volume. Spraying of boron at 0.2% improved fruit regarding minimum fruit drop percentage. Regarding cost-benefit ratio calcium nitrate @ 0.06% shows the best effect followed by boron @0.02%.

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