Study on Physiological Responses of Various Drought-resisitance Mung Bean Mutants under Water Stress

doi:10.7668/hbnxb.2007.06.020

Abstract

Abstract: The drought resistance physiological responses of three mung bean mutants 172-3(high resistance), 159-1(moderate resistance), 145-1(low resistance) and their parent cultivars Zhonglv No.2(drought sensitive) were studied in the distinct growing stage and under varying water stress. The purpose was to ascertain the mechanism of drought resistance. The results were as follows: With the increasing of water stress levels, compared with weak drought-resistance varieties, the high drought-resitance mung been mutant were characterized as that the content of chlorophyll decreased by a less and the activity of SOD, POD and NR is obviously higher, which indicated these physiological characters were related to the drought resistance of mung bean's.

Key words: Drought resistance, Mung bean mutants, Water stress, Physiological responses

CLC Number:

S522.01

SHEN Hui-fang, LI Guo-zhu. Study on Physiological Responses of Various Drought-resisitance Mung Bean Mutants under Water Stress[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(6): 98-102. doi: 10.7668/hbnxb.2007.06.020.

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