They were already under stress, thanks to the aftershock of last year's drought.
去年干旱的余波已经给他们造成压力了。
Drought stress is a bottleneck factor for plant growth and development .
干旱胁迫是影响植物生长发育的主要因子。
Drought stress has been the main factor of limiting wheat yield.
在全球许多地区，干旱胁迫已经成为限制小麦生产的主要因素。
The reaction difference of two different drought-resistance wheat varieties to PEG6000 penetration stress was studied.
采用聚乙一醇（PEG6000）渗透胁迫的方法，研究了两个不同抗旱性小麦品种对渗透胁迫反应的差异性。
Plant has often been effected by drought stress during it's growing process.
植物在其生长过程中，经常会受到干旱的影响。
The gene expression level was higher under drought stress than that under normal conditions.
在正常情况下该基因表达量很低，而在干旱处理中高表达。
The gene expression level was higher under drought stress than that under normal conditions.
在正常情况下该基因表达量很低，而在干旱处理中高表达。
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