Effect of Zinc and Iron on Growth and Yield of GrandNain Banana Cultivar in Sandy Soil

Document Type : Original Article

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Horticulture Research Institute, Tropical Fruits Research Department.

Abstract

A field study was carried out during 2008/2009-2009/2010 in Grand Nain (the plantlets developed from local meristems, superior selected from Grand Nain Banana cv.) grown in private orchard at El khtatba, Monofia Governorate, during two successive seasons to determine the Zn and Fe requirements. The plants were received different rates of Zn and Fe fertigation. The rates per plants were ((0.0, 5.4, 10.8 and 21.6 gm/plant) in the form of ZnSO4 and (0.0, 9.0, 18.0, 36.0 gm/plant) actual Fe (EDTA). All considered Zn and Fe rates were applied every month  from April till October and were added as solution by fertigation. Results show that, the increasing rates of each fertilizer (Zn and Fe) increased plant height, pseudostem girth, leaves number, leaf area and reduced the number of days taken shooting till flowering. Zn-fertigation had greatest effect on vegetative growth, time to shooting and harvesting. The uppermost Zn level (21.6g./plant) resulted in progressive increase in growth characteristics and yield. Application of (36.0g.Fe/plant) results in a significant increase in growth finger characteristics . Increasing Zn rates raised leaf N, P, K, Zn and Fe. Increasing rate of Fe-fertigation increased leaf N, P, K, Zn and Fe. Application of 21.6g. Zn/plant and 36.0g.Fe/plant is monthly from April to October recommended for GrandNain banana in sandy soil. 

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