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THE EFFECT OF POTASSIUM AND BORON SPRAY ON FRUIT FALL , SOME QUANTITATIVE AND QUALITATIVE OF APPLE Cv. AGMY. | ||
| Kufa Journal for Agricultural Science | ||
| Article 1, Volume 3, Issue 2, 2011, Pages 75-90 | ||
| Abstract | ||
| This experiment was conducted in a private orchard during the growing seasons of 2007/ 2008 to investigate the effect of potassium addition as potassium sulfide at three levels (0, 500, 1000 g/tree) and spraying with boron at different concentrations (0 , 10 ,20, 30 mg B /l) as boric acid (17%B) on fruits fall , some quantitative and qualitative properties of apple Cv. Ajmy, using (R.C.B.D) design with three replicates. Results showed that the potassium, boron and their interaction had a significant effect on studied properties. The interaction of 1000 g of potassium sulfide with spraying of 20 mg B/l released the best results and gave lest number of fruits fall and higher average of fruit number /tree , fruit weight and yield in second season by 104 fruit , 442.67 fruit , 83.63 g and 34.86 Kg/tree while were 171.33 , 366.67 fruit , 56.70 g and 21.96 Kg/tree in control , Also there were a significant increase of percentage of (TSS) and reduction in total acidity in fruits juice which caused an improvement of fruit quality. | ||
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