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首页> 外文期刊>International Journal of Advanced Biotechnology and Research >Effect of Silicon Nutrition on Yield and Physiological Characteristics of Canola (Brassica napus) under Water Stress Conditions
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Effect of Silicon Nutrition on Yield and Physiological Characteristics of Canola (Brassica napus) under Water Stress Conditions

机译：水分胁迫下硅营养对油菜籽产量和生理特性的影响

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摘要

Approximately four-fifths of the land areas of the world are located in arid and semi-arid areas. There is too muchprecipitation in Iran which its average annual rainfall is about 260 mm representing drought phenomenon in Iran is aclimatic reality.Canola is of particular importance so that it is considered as the second important world edible oilproducer after the Soybean. In this plant, flowering and pod formation are the most sensitive stages to the droughtstress which are faced with drought stress in the most agricultural areas of the country. Moreover,previous studies aremainly focused on the reducing effects of drought stress on the agronomical and physiological traits of crops. On theother hand, there have been large numbers of studies which are emphasized on improving impact of silicon on droughtstress effects of crops to offset. In addition, some split plots in a randomized complete blocks with four replicationswere designed and implemented in the agricultural year 2014-2015 in order to investigate the effect of siliconnitritionon the resistance to the drought of the experimental Canola plant.There were certain Experimental treatmentsincluding drought stress in two level e.g. normal irrigation (control) and drought stress considered as the major factorsand then silicon spray on levels of 0, 1 and 1.5 mM considered as the minor factors. The results indicated that droughtstress could cause to reduce the investigated traits such as yield. Furthermore, it revealed that acid silicon spray couldresult in increased investigated traits. Also, there was a significant correlation between the drought stress and siliconspray. By doing mean comparisons, it was observed that silicon spray considerably caused to offset of drought stresseffects. On the other hand, it also had a positive effect on the investigated traits under the normal irrigation conditions.Thus, it could be recommended applying silicon spray for Canola crop.
机译：世界上大约五分之四的土地位于干旱和半干旱地区。伊朗降水过多，年平均降水量约为260 mm，这代表了伊朗的干旱现象是气候现实。油菜籽尤为重要，因此被认为是仅次于大豆的第二大世界食用油生产国。在这种植物中，开花和荚果形成是干旱压力最敏感的阶段，在该国大多数农业地区都面临干旱压力。此外，以前的研究主要集中在减轻干旱胁迫对农作物的农艺和生理特性的影响上。另一方面，已经有大量的研究着重于改善硅对作物的干旱胁迫影响的影响以抵消。此外，在2014-2015农业年度中设计并实施了一些随机完整区块的分割图，并进行了四次重复实验，以研究硅硝化对油菜籽植物抗旱性的影响。在两个层次上正常灌溉（控制）和干旱胁迫是主要因素，然后以0、1和1.5 mM的水平喷硅是次要因素。结果表明，干旱胁迫可能导致产量降低。此外，它表明酸性硅喷雾剂可以增加被研究的性状。另外，干旱胁迫和硅喷雾之间存在显着的相关性。通过进行均值比较，可以观察到硅喷洒大大抵消了干旱胁迫的影响。另一方面，在正常灌溉条件下，它对调查的性状也有积极影响，因此，建议将硅喷施于油菜中。

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