Rapeseed is one of the major oilseed crops in China. Drought has threatened the production of rapeseed. Breeding for rapeseed drought tolerance is one way of reducing lost of water deficiency. Different concentrations of Polyethylene glylol (PEG) are chosen to simulate different drought degrees which seedling stage rapeseed encounters and Zhongshuang No.9 is taken as material in this experiment. The concentrations of PEG are 0%、5%、10%、15%、20%、25%、30%. Length of taproot、seedling height、fresh weight pe...
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