Guo Ming Shen*
This study investigates the physiological changes of two varieties wheat (Triticum aestivum L.) seedlings namely LX77 and JM22 by spraying different concentrations of Epibrassinolide (EBR) under Cd2+ stress using a hydroculture. Results showed that after foliar application of different concentrations of EBR, seedling growth properties, chlorophyll contents, root vigor, osmotic regulators, Malondialdehyde (MDA) and H2O2 contents, relative conductivity, antioxidant enzyme activities were changed in both LX77 and JM22, and the optimal exogenous EBR concentration is 0.01 or 0.1 mg·L-1. The survey conducted by Chinese Agriculture Ministry showed, the sewage irrigation area is about 1.4 million hm2, which suffered heavy metal pollution of the land area accounted for 64.8%, Mercury (Hg) and Cd are the largest pollutant.
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