Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.

Zhu Pengfei; Zhao Shanhuan(Chiu Shin-foon)

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Volume 12 Issue 3

May 2019

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Article Navigation > Journal of Zhejiang A&F University > 1995 > 12(3): 276-280

Zhu Pengfei, Zhao Shanhuan(Chiu Shin-foon). Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 276-280.

Citation:

Zhu Pengfei, Zhao Shanhuan(Chiu Shin-foon). Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 276-280.

Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.

1.
Baiteng Lake Butterfly Would Co. Ltd of Zhuhai, Zhuhai 519125, Guangdong, PRC

Received Date: 1995-02-10
Publish Date: 1995-09-30

Abstract

The contact toxicities of azadirachtin, dimilinⅢ and deltamethrin were tested, and the LD50 were 2.5990, 1.7500 and 0.0012g per larva, respectively. Bioassay results showed that azadirachtin, toosendanin and dimilinⅢ had potent toxicity as insect growth regulators to the larvae in laboratory. Azadiraehtin and dimilinⅢ, with a concentration of 200mg/kg, could kill the eggs of Masson-pine caterpillar moths with one, four and seven ages in days, and their adjusted mortality rate could reach by 76.6% and 90.0%, respectively. The symptoms of the pest after applying insecticides were observed in the test.
- Masson-pine caterpillar moths (Dendrolimus punctatus),
- insceticides,
- toxidity test

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.

1. Baiteng Lake Butterfly Would Co. Ltd of Zhuhai, Zhuhai 519125, Guangdong, PRC

Received Date: 1995-02-10
Publish Date: 1995-09-30

Key words:

Masson-pine caterpillar moths (Dendrolimus punctatus) /
insceticides /
toxidity test

Abstract: The contact toxicities of azadirachtin, dimilinⅢ and deltamethrin were tested, and the LD50 were 2.5990, 1.7500 and 0.0012g per larva, respectively. Bioassay results showed that azadirachtin, toosendanin and dimilinⅢ had potent toxicity as insect growth regulators to the larvae in laboratory. Azadiraehtin and dimilinⅢ, with a concentration of 200mg/kg, could kill the eggs of Masson-pine caterpillar moths with one, four and seven ages in days, and their adjusted mortality rate could reach by 76.6% and 90.0%, respectively. The symptoms of the pest after applying insecticides were observed in the test.

Zhu Pengfei, Zhao Shanhuan(Chiu Shin-foon). Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 276-280.

Citation:

Zhu Pengfei, Zhao Shanhuan(Chiu Shin-foon). Contact Toxicities or Four Insecticides to Masson-pine Caterpillar Moths.[J]. Journal of Zhejiang A&F University, 1995, 12(3): 276-280.

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