Relation of fruiting in Hindy Bisinara mangoes to foliar nutrition with Mg, B and Zn and some antioxidants.
Hamdy I. M. I., Ahmed Y. M., Ahmed F. F.
Author Affiliation: Hort. Dept. Fac. Agric. Minia Univ., Minia, Egypt.
8th African Crop Science Society Conference, El-Minia, Egypt, 27-31 October 2007 : 411-415
Abstract : Leaf area, leaf contents of N, P, K, Mg, Zn and Fe, number of panicles/tree, number of flowers/panicle, fruit retention%, yield as well as physical and chemical characters of Hindy Bisinara mangoes in relation to foliar nutrition with magnesium, boron, zinc and some antioxidants namely Tannic, Ascorbic and Citric acids were investigated during 2003 and 2004 seasons. Results showed that single or combined application of Tannic, Ascorbic and Citric acids and Zn+B+Mg was favorable in improving the leaf area and its contents of N, P, K, Mg, Zn and Fe, number of flowers/panicle, fruit retention %, yield and quality parameters. Application of Tannic, Ascorbic and Citric acids and Zn+B+Mg, in ascending order resulted in enhancing leaf area, nutritional status of the trees, yield and fruit quality. The best results with regard to yield and fruit quality were obtained on Hindy Bisinara mango trees received Citric acid at 500 ppm+chelated Zn at 0.05%+boric acid at 0.025%+magnesium sulphate at 0.25% four times.