RESPONSE OF KEITTE MANGO TREES TO SPRAYING GLUTATHIONE AND BORIC ACID

Document Type : Research articles.

Author

Hort. Dept. Fac. of Agric. Aswan Univ. Egypt

Abstract

During 2015 and 2016 seasons Keitte mango trees grown under
Aswan climatic conditions were treated with glutathione and/or boric
acid each at 0.025 to 0.1%. The merit was examining the effect of these
treatments on growth, nutritional status, yield and quality of the fruits.
The trees received three sprays on March, April and May.
Treating the trees three times with glutathione and/or boric acid
each at 0.025 to 0.1% materially was accompanied with stimulating the
leaf area, total chlorophylls, N, P, K, fruit retention%, yield as well as
physical and chemical characteristics of the fruits relative to the control
treatment. The promotion was related to the increase in concentrations.
Combined applications were superior than using each material alone.
Using boric acid was superior than glutathione in this respect.
Treating Keitte mango trees three times with a mixture of
glutathione and boric acid each at 0.05% was necessary for producing
higher yield and better fruit quality.

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