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Citation:

Studies on the Seasonal Susceptibility of Masson Pine Caterpillar to Insecticides and Its Application

  • Received Date: 1995-01-25
  • The seasonal susceptibility of masson pine caterpillar to insecticides were studied.It was found that the larvae before hibernation was the most sensirive to deltamethrin and dimilin Ⅲ in Nangjin, Jiangsu Province and Guangzhou,Guangdong Province. The total haemocytes counts,esterases activity was found to be lowest and it was also the suitable time to control this pest by chemical insecticides. The mechanism of the seasonal adaptation of the larvae was discussed.It was suggested that the chemical control strategies should be focused on the selection of suitable chemical and the timing of application to coincide with the susceptible life stages.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Studies on the Seasonal Susceptibility of Masson Pine Caterpillar to Insecticides and Its Application

  • 1. Zhuhai Baiteng Lake Butterfly World Co. Ltd Zhuhai, Guangdong 519100
  • 2. South China Agricultural University

Abstract: The seasonal susceptibility of masson pine caterpillar to insecticides were studied.It was found that the larvae before hibernation was the most sensirive to deltamethrin and dimilin Ⅲ in Nangjin, Jiangsu Province and Guangzhou,Guangdong Province. The total haemocytes counts,esterases activity was found to be lowest and it was also the suitable time to control this pest by chemical insecticides. The mechanism of the seasonal adaptation of the larvae was discussed.It was suggested that the chemical control strategies should be focused on the selection of suitable chemical and the timing of application to coincide with the susceptible life stages.

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