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首页> 外文期刊>African Journal of Agricultural Research >Effects of foliar application of zinc on physiological indices and yield of three spinach cultivars in Bojnourd, Iran
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Effects of foliar application of zinc on physiological indices and yield of three spinach cultivars in Bojnourd, Iran

机译：叶面喷施锌对伊朗Bojnourd三种菠菜品种生理指标和产量的影响

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摘要

Spinach (Spinaceae oleraceae?L.) is one of the most enriched leaf vegetable used by people in the globe. Inadequate micronutrients especially zinc in most Iranian soils have formed a major constraint to spinach production. Therefore, a study was conducted in 2008 growing season in Kohnekan region of Bojnourd to investigate the effects of foliar application of zinc on physiological indices and yield of three cultivars of spinach. A factorial experiment was laid out based on Randomized Complete Block Design (RCBD) with three replications. Treatments were three spinach cultivars (Virofly, Tehrani, and Irani) and two levels of Zinc micronutrient (foliar and non-foliar application). Results showed that Zinc micronutrient had no significant effect on total dry matter (TDM), leaf area index (LAI), crop growth rate (CGR), relative growth rate (RGR) and specific leaf area (SLA) indices. The differences among the cultivars for growth characteristics were significant, but interaction effect of Zinc levels with cultivars was not significant. Also, Zinc micronutrient had significant effect on dry matter yield.?Generally the results showed that although there is no significant difference between Zinc foliar application and control,?numerical difference however existed in most trait in this experiment.
机译：菠菜（Spinaceae oleraceae？L。）是全球人们使用的最丰富的叶类蔬菜之一。在大多数伊朗土壤中微量营养素不足，尤其是锌不足，已经成为菠菜生产的主要制约因素。因此，在Bojnourd的Kohnekan地区的2008年生长季节进行了一项研究，以研究叶面施用锌对三种菠菜生理指标和产量的影响。基于随机完整块设计（RCBD）进行了三项重复的析因实验。处理方法为三种菠菜品种（Virofly，Tehrani和Irani）和两种水平的锌微量营养素（叶面和非叶面施用）。结果表明，锌微量元素对总干物质（TDM），叶面积指数（LAI），作物生长速率（CGR），相对生长速率（RGR）和比叶面积（SLA）指数无显着影响。品种间生长特性的差异显着，但锌水平与品种间的相互作用影响不显着。锌微量营养元素对干物质产量也有显着影响。总体结果表明，尽管叶面施用锌与对照之间没有显着差异，但该试验的大多数性状都存在数值差异。

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