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EFFECT OF NITROGEN AND GIBBERALLIC ACID ON THE GROWTH OF YOUNG PEACH TREES CV.DIXIRED. | ||
| Mesopotamia Journal of Agriculture | ||
| Article 22, Volume 38, Issue 0, 2010, Pages 118-126 PDF (0 K) | ||
| DOI: 10.33899/magrj.2010.33611 | ||
| Author | ||
| Ayad T. Mahmood Shayal Alalam | ||
| Abstract | ||
| This study was conducted on young peach trees CV.Dixired which were budded on peach seedling rootstock and planted in the pomology field/ Horticulture and Landscape Design Dept. during 2008 growing season to know the effect of three levels of nitrogen fertilizer (0, 50 and 100 gm N.tree-1) and foliar spray with three levels of GA3 (0, 50 and 100 mg GA3 .L.-1) . Results indicated that the application of nitrogen or GA3 individually or together leads to asignificant effect on leaves N,P and carbohydrates, leaves total chlorophyll content, leaves number, tree leaves area, number and length of branches, trees height and main stem diameter. The best results were obtained in the interaction treatment of 100 gm.N.tree-1+ 50mg.GA3.L.-1 which gave the highest means of most studied parameters. | ||
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