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Effect OfIrrigation Water Quality And Spraying With Tocopherol On Growth And Yield Okra Abelmoschus Esculentus Moench. Plants

Authors: Faris I. Obead --- Awatif N. Jaree --- Essam H. A. Al- Doghachi
Journal: Kufa Journal for Agricultural Sciences مجلة الكوفة للعلوم الزراعية ISSN: 20727798 23128186 Year: 2014 Volume: 6 Issue: 2 Pages: 95-104
Publisher: University of Kufa جامعة الكوفة

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Abstract

The experiment was carried out in a private orchard at Shat-Al- Arab District, Basrah Governorate during the summer seasons of2011and 2012 in order to study the effect ofirrigation water quality and spraying with Tocopherol on growth and yield okra plants tolerance to salinity resulted from irrigation by salinity water and its effect on the yield parameters . Treatments included three sources ofwater i.e. tab water, tab water + river water and river water and spraying plants with Tocopherol at four concentrations 0, 50 ,100 and150mg. L.-1). Treatments ofthis experiment were distributed in Split Plot Design with three replicates, was Main Plots represents water sources, spraying with tocopherol represents Sub- Plots. Means were compared according to L.S.D. Test at significant level of0.05. Result could be summarized as follows : - Plants irrigated with tab water had a significantly higher vegetative growth parameters(plant height, leaf number. plant-1, number oflateral branches. Plant-1, and. plant-1), pod weight, pod number. plant-1, plant total yield (268.6 and 204.8 g) and hectare productivity (4.20 and 3.20 ton) for both seasons, flower number. plant-1 in the first season and fruits set percentage in the second season. Plants sprayed with Tocopherol 150 mg. L.-1 had a significant increase in plant height, number oflateral branches. plant-1, and leaf area. plant-1, flower number. plant-1, fruits set percentage, pod number. plant-1, plant total yield (179.3 and 178.5 g) and hectare productivity (2.80 and 2.79 ton) for both seasons. leaf number in the second season and pod weight in the first season. The interactions between the studied factors were significant in all stuided parameters for both seasons.

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