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《Journal of Heilongjiang Bayi Agricultural University》 2017-04
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Effects of Four Pesticides on Activities of Antioxidant Enzymes in Tomato Leaves

Yu Gaobo;Du Kangjian;Li Xian;Zhang Guanghui;Zhao Changjiang;Wei Jinpeng;College of Agronomy,Heilongjiang Bayi Agricultural University;  
In order to reveal the effect of pesticides on the antioxidant enzymes activities in tomato leaves,tomato was used as experimental material,and the activity of APX,PPO,CAT,POD and the protein content of tomato treated with four pesticides(chlorpyrifos,chlorantraniliprole,bacillus thuringiensis and thiamethoxam)respectively were determined.The results showed that the protein content of tomato leaf was affected in different treatments except for Bacillus thuringiensis,and the antioxidant enzyme activity of tomato leaves increased in different degree in response to pesticide treatment,although the difference became smaller with the extension of time.The activities of APX,PPO and CAT were higher between 12 h and 1 d after pesticide treatment,and the activity of POD was the highest at 3 d after treatment with thiamethoxam,bacillus thuringiensis and chlorantranil,and revert to control level at 7 d after treatment.However,the effect of pesticides on antioxidant enzyme activities of tomato leaves were distinctive due to different types of pesticides,such as the effects of chlorpyrifos on antioxidant enzyme activities of tomato were different from others.
【Fund】: 黑龙江省教育厅科学技术研究项目(12541575);; 黑龙江省大学生创新训练项目(201610223016);; 国家自然科学基金青年基金项目(31301769);; 黑龙江省政府博士后基金项目(LBH-Z14041)
【CateGory Index】: S482.3;S641.2
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