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To study the population dynamics of aphid on Lonicera macranthoides and their natural enemy in Xiushan and control method of pesticide so as to provide scientific basis for its integrated pests management (IPM). The field investigation and the field controlling trial were carried out for the research. Semiaphis heraclei was the dominant species among L. macranthoides aphids. The population dynamics of apterous aphids went through five consecutive stages: initial, fluctuating, rising, peak and declining. The population dynamics of alate aphids was 4-7 days later than that apterous aphid's. Significant positive correlations were found between the population size of spiders and ladybugs which were natural enemies and number of aphids. The result of pesticides against aphids in field trial showed that 25% thiamethoxam WG, 70% imidacloprid WG and 20% acetamiprid WP had well controlling effect. Aphids on L. macranthoides could be well controlled while 25% thiamethoxam WG, 70% imidacloprid WG and 20% acetamiprid WP are sprayed during the period of aphid population raising, the early April to the mid May.

Citation

Ying Zhang, Ye-Kuan Wu, Yu-Sheng Liu, Long-Yun Li. Research on population dynamics of Lonicera macranthoides aphid and natural enemy in Xiushan and evolution of pesticides]. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica. 2012 Nov;37(21):3219-22

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PMID: 23397716

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