Effect of Temperature on Peroxidase(POD) Isozymes in Winter Wheat Seedlings

doi:10.3321/j.issn:1000-7091.1995.04.011

Abstract

Abstract: The POD isozymes in radicle and plumule of two winter wheat seedlings (Zhongyin-15and 81-1 )were significantly affected after treatment by different temperatures(25℃, 30℃,40 ℃,50℃)and times (2, 4, 8, 16, 24, 48 hours), Its bands increased when treatment time prolonged at normal temperature(25℃).At 30℃, POD isozymes showed curve changes.The bands increased with the lengthening of the treatment time,but the bands decreased after reaching at a definite time.The peak value is related to the characteristics of variety and sampling position.The tendency of bands decreased at high temperature (40℃, 50℃), and decreased sharply after a period of treatment.The ability of high temperature tolerance is varited significantly among winter wheat varieties.

Key words: Peroxidase (POD) isozyme, Winter wheat, High temperature-tolerance, Treatment time

CLC Number:

S512.101

Liu Liping, Yu Keli, Hao Sicheng. Effect of Temperature on Peroxidase(POD) Isozymes in Winter Wheat Seedlings[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1995, 10(4): 59-64. doi: 10.3321/j.issn:1000-7091.1995.04.011.

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