Effect of foliar application of nutrients on fruit-set, yield and quality of mango cv. Dashehari.
Negi S. S., Singh A. K., Singh C. P.
Author Affiliation: Department of Horticulture, G. B. Pant University of Agriculture and Technology, Pantnagar - 263 145, Uttarakhand, India.
Haryana Journal of Horticultural Sciences 38 : 20-22
Abstract : The effect of calcium, boron, zinc and sorbitol on fruit-set, yield and quality in mango cv. Dashehari was investigated. The experiment was comprised of foliar application of calcium nitrate (600 ppm), boric acid (200 ppm), zinc sulphate (200 ppm) and sorbitol (2000 ppm) alone and in combination. All chemicals were sprayed at start of flowering. The results showed that the applied chemicals had significant effect on fruit-set, yield and quality. However, boric acid 200 ppm+sorbitol 2000 ppm proved to be most effective treatment for increasing initial and final fruit-set (10.81 and 0.48%, respectively), yield (59.76 kg/tree), total soluble solids (18.33°B), least titratable acidity (0.26%) and higher total sugar (13.00%), whereas the ascorbic acid content was found maximum (23.60 mg/100 g) with treatment of boric acid 200 ppm+sorbitol 2000 ppm and calcium nitrate 600 ppm+sorbitol 2000 ppm. â-carotene was found higher (1.89 µg/100 g) with the treatment of zinc sulphate 200 ppm+sorbitol 2000 ppm. The fruit weight (188.33 g) and length (9.53 cm) were found maximum with treatment of calcium nitrate 600 ppm+sorbitol 2000 ppm. In general, it was observed that combined application of boron (200 ppm) and sorbitol (2000 ppm) on mango cv. Dashehari was beneficial to obtain promising results in respect of yield and quality.