Title: Mechanism of Chemical Control Seed Coating Agent Enhancing Cold Resistance of Soybean Seeding
Abstract: 【Objective】The study was performed to explore the mechanism of cold resistance of soybean seedlings enhanced by chemical control seed coating agent.【Method】Through low temperature stress simulated artificially in the room,seed coated with general seed coating agent as the control,the treatment of seed coated with chemical control seed coating agent was made and the effects of chemical control seed coating agent on some physiological and biochemical indexes of soybean seedling(MDA,POD,SOD,soluble sugar and the rate of plant intrinsic hornlones) were studied.At the same time,the dynamic changes and interrelation under low temperature stress were analyzed.【Result】The results showed as follows: 1) As far as the activity of POD,SOD and the content of soluble sugar was concerned,the treatment was higher than the control after low temperature stress.2) The content of MDA in treatment was lower than that in the control,and the curve in the treatment with chemical control seed coating agent changed slowly.3) The rate of plant intrinsic hornlones(IAA/ABA,GAs/ABA,CTKs/ABA)in the treatment increased compared with the control.【Conclusion】It is concluded that chemical control seed coating agent could boost cold resistance of soybean seedling.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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