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THE EFFECT OF LAND AND FOLIAR APPLICATION TO THE CHEMICAL FERTILIZERS IN THE NUTRITIONAL CONTENT OF OFFSHOOTS THREE VARIETIES OF DATE PALM Phoenix dactylifera L. PROPAGATED TO TISSUE CULTURE | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 20, Issue 1, 2015, Pages 0-0 | ||
| Authors | ||
| ; M. S.Y.Al-Attabi; M. A.W.Al-Bayati | ||
| Abstract | ||
| The experiment was performed at Alisihaki date palm station attached to the General Directorate of Date Palm/Ministry of Agriculture during 2012 season to assess the effect of land and foliar application of fertilizers on offshoots growth of three varieties of date palm were; White Farith, Saeef plant, and Alhilaly.Dry weight percentage,NPK, carbohydrates, ration of CHO: N, sugars and starch were measuned and determixaf. 63 homogenized growth offshoots, grown on square system 5 m X 5 m were selected. The First chemical fertilization applied on march15, 2012, the secand on June 15, 2012, and the third on September 15, 2012 (the sprayer pressure and the angle of spraying were fixed to get homogenized spray with four angles to each offshoot).All the readings were collected at February 15, 2013 to confirm the results after one year.The experiment was designed on the split plot design and the varieties as main factor while other treatments as secondary factors. Three varieties and seven treatments fertilizer three fertilizer treatments ground ,and three leafy fertilizer and control treatment with three replicates for each treatment and the offshoot was considered as a replicate. The differences were compared between averages based on LSD at the possibility of 5%.The results of the study showed significant results of Saeef plant significantly showed dominance over other two varieties leaf contents of Phosphorus. The variety of Al hilaly dominated also in leaves contents of Potassium.There was a significant effect of fertilizer treatment in that CHO, N, K, sugars, and starch contents. Treatment 3 (T3) which gave high results as the leaf contents as CHO of 5.32%, N 0.79%, P 0.26%, K of 1.10%, Sugar of 3.55% and starch at 1.77%. The ratio of CHO to N was significantly higher with T0 which gave CHO contents of 7.10%. There was no difference in the dry weight percentage in the leaves and also CHO ratio to N. The combination between varieties and chemical treatment resulted in significant increase in the leaves contents of nitrogen, phosphorus, and potassium. A significant increase of chemical properties as leaves CHO contents, sugar percentage, and starch percentage, with the combination between varieties Saeef plant and Al hilaly of third treatment. | ||
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