2010•Inner Mongolia Agricultural Science and TechnologyRequires access
Drought Resistance of Bromegrass at Germination Stage
Lu Chen
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Abstract
The drought resistance evaluation of 6 brome at seed germination stage was studied by simulated drought stress with different concentrations of PEG-6000 solution.The results showed that seeds,germination percentage,germination tendency,radicle length,germ length,germination index was no changed or not significant declined at4 %,8% of PEG compared to the control;But over 12%PEG,the radicle length,germ length,germination index,germination tendency was declined significantly.the comprehensive evaluation on drought resistance was given based on membership function method indicated that the drought resistance of the 6 species decreased in order of A1A5A6A3A2A4.