Study on Relations Between Plant Endogenous Hormones and Cold Resistance in Wheat

doi:10.3321/j.issn:1000-7091.2000.03.011

Abstract

Abstract: The Changes of four plants'endogenous hormones were investigated during winter periods. The results showed the big difference between the genotypes of the winter wheat and spring wheat, the higher ABA contents in more resistant varieties, the higher GA3 contents in spring wheat; and the higher IAA contents in the genotypes with more resistant to coldness before winter, the more stable Z+ZR contents in the genotype of spring wheat. Thus it could be concluded that there were close relations between the four plants'endogenous hormones and cold resistance in wheat. In addition, the active changes of the endogenous hormones reflected effective metabolism, which did not stop with coldness.

Key words: Wheat, Plant endogenous hormone, Cold resistance

ZHAO Chunjiang, KANG Shujiang, WANG Jihua, GUO Xiaowei, LI Hong xiang. Study on Relations Between Plant Endogenous Hormones and Cold Resistance in Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2000, 15(3): 51-54. doi: 10.3321/j.issn:1000-7091.2000.03.011.

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