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首页> 外文期刊>Journal of Plant Nutrition >Effects of different levels of soil salinity on yield attributes, accumulation of nitrogen, and micronutrients in Brassica spp.
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Effects of different levels of soil salinity on yield attributes, accumulation of nitrogen, and micronutrients in Brassica spp.

机译：不同土壤盐分水平对甘蓝型油菜产量属性，氮素积累和微量元素的影响。

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摘要

The present study was conducted to assess the effect of soil salinity on yield attributes as well as nutrient accumulation in different plant parts of seven Brassica cultivars from two different species raised in pot culture experiment with two levels of salinity treatments along with control corresponding to soil electrical conductivity (EC) values of 1.65 (S-0), 4.50 (S-1) and 6.76 (S-2) dS m(-1). The experiment was consisted of twelve replications in a completely randomized design. Imposition of salinity stress affected various yield attributing characters including plant height, which ultimately led to severe yield reduction. However, tolerant cultivars, CS 52 and CS 54 performed better under salt treatment showing lesser yield loss. Salinity stress reduced the nitrogen (N) content in leaves of the Brassica plants, which reflected in decreased seed protein content. Reduced accumulation of iron (Fe), manganese (Mn) and zinc (Zn) was observed in leaf, stem and root at flowering and post-flowering stages, while CS 52 and CS 54 showed less reduction than susceptible cultivars under salinity stress.
机译：本研究旨在评估土壤盐分对盆栽培养中两个不同物种的七个甘蓝品种不同植物部分的产量属性和养分积累的影响，并在两个水平的盐分处理下进行了相应的土壤盐分处理电导率（EC）值为1.65（S-0），4.50（S-1）和6.76（S-2）dS m（-1）。实验由完全随机设计的十二个重复组成。盐分胁迫的施加影响了包括植物高度在内的各种产量属性，最终导致严重的减产。但是，耐盐品种CS 52和CS 54在盐处理下表现更好，表现出较低的产量损失。盐分胁迫降低了芸苔属植物叶片中的氮（N）含量，这反映在种子蛋白质含量降低方面。在开花和开花后阶段，在叶，茎和根中观察到铁（Fe），锰（Mn）和锌（Zn）的积累减少，而在盐胁迫下，CS 52和CS 54的减少程度要低于易感品种。

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