EFFECT OF SPRAYING MAGNESIUM, BORON, ASCORBIC ACID AND VITAMIN B COMPLEX ON YIELD AND FRUIT QUALITY OF “CANINO” APRICOT
2006
Elham Z.A. Daood | M.F.M Shahin
Canino apricot trees received four sprays of magnesium sulphate at 0.5%, 1.0% and 3.0%, boric acid at 0.2, 0.5 and 1.0%, ascorbic acid at 250, 500 and 1000 ppm, Vitamin B complex at 100, 200 and 400 ppm and a combination of the medium concentrations of each substrate were evaluated during 2004 and 2005 seasons. Single or combined application of magnesium, boron, ascorbic acid or vitamin B complex was favourable for improving leaf area, leaf mineral content (N, P, K and Mg), yield as well as physical and chemical properties of the fruits compared to untreated trees. The promotion effect was associated with increasing the applied concentrations. Using magnesium, born, ascorbic acid and vitamin B complex, in descending order was very effective in improving growth, nutritional status, fruit quantity and quality. Carrying out four sprays at starting growth, after blooming, after fruit setting and at three weeks later with a combination of 1.0% magnesium sulphate, 0.5% boric acid, 500ppm ascorbic acid and 200 p.p.m vitamin B complex suggested to be beneficial in improving growth, nutritional status, yield and fruit quality of “Canino” apricot.
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