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Application of chlorfenapyr to prevention and control of tussah garden pests

A kind of chlorfenapyr, a technology for preventing and controlling pests, which is applied in the field of pest control and application in tussah gardens

Inactive Publication Date: 2021-09-14
辽宁省蚕业科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the research on chlorfenapyr is the direction of using it as an insecticide to control pests in plant culture, but there is no relevant information about using it as an active ingredient alone or as a compound pesticide for the production of tussah silkworms. research report

Method used

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  • Application of chlorfenapyr to prevention and control of tussah garden pests
  • Application of chlorfenapyr to prevention and control of tussah garden pests
  • Application of chlorfenapyr to prevention and control of tussah garden pests

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 Prevention and treatment of the larvae of the broad-winged beetle in the oak garden.

[0027] The experiment was carried out in the oak garden in Xiuyan County, Anshan City, Liaoning Province. In the test, the drug was administered once in the afternoon during the peak period of the occurrence of the larvae of the broad-winged beetle (August 8). The components of the agents were A, A B, A C, AD, AE, AF, A B C, and the dosage of chlorfenapyr in 15 L of water was 0.35 g to 4.5 g. Spray evenly with a knapsack-type manual sprayer. On the oak tree, there are mainly concave-winged gnatia larvae, a small amount of black-shouldered carapace, stinkbug, stinkbug, and silkworm katydid adults. The day of spraying was cloudy, and the average temperature was 29.5°C; There was no rain for 2 days after the medicine. 24 hours to investigate the effect of prevention and control. Calibration control effect, statistical calculation according to conventional experimental method...

Embodiment 2

[0031] Example 2 Prevention and control of black scapularia, stink bugs, stink bugs, and silkworm katydids in the oak garden.

[0032] In the oak garden of Xiuyan County, Anshan City, Liaoning Province, A chlorfenapyr and its different ratios with B buprofezin, C dimethoate, D malathion, E pirimiphos-methyl, and F sulfoxaflor were tested. The control effect test of the combination on the black broad-shouldered carapace, the dosage of chlorfenapyr in 15 L of water is 0.35 g~5.0 g. Above 3 kinds of components are processed by the ratio shown in table 2, and test method is all the same as embodiment 1.

[0033] Table 2 Field control effect of chlorfenapyr and combined pesticides on black broad shoulder beetle

[0034] .

[0035] It can be seen from Table 2 that insecticide A and its combination with B, C, D, E, and F in different ratios have better control effects on the black broad-shouldered carapace in the wild. It indicated that chlorfenapyr, alone or in combination with...

Embodiment 3

[0036] Example 3 Safety test of chlorfenapyr on tussah silkworm.

[0037] In Fengcheng City, Liaoning Province, A chlorfenapyr and its combination with B buprofezin, C dimethoate, D malathion, E pirimiphos-methyl, and F sulfoxaflor were tested for their safety on tussah silkworms In the test, the tussah silkworms on the oak tree were 2-3 instar larvae, and the number of tussah silkworms tested was 100. Spray evenly with a knapsack manual sprayer. The dose of chlorfenapyr in 15 L of water is 0.35 g~9.0 g. The day of spraying is sunny, with an average temperature of 31°C; there is no rain for 3 days after spraying. After 72 hours, investigate the poisoning symptoms (the body curls into a C-shape or S-shape, convulsions, vomiting, food refusal, semi-moulting, silkworms lose their grip, hang upside down on the tussah branches, etc.) and the number of tussah silkworms.

[0038] Table 3 Safety evaluation of chlorfenapyr and combined pesticides on 2~3 tussah larvae

[0039] .

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Abstract

The invention relates to the field of pesticide application, in particular to application of chlorfenapyr serving as an effective component in a tussah garden to effectively control tussah garden pests (tussah pests and oak tree pests) on the premise of protecting tussah. The chlorfenapyr pesticide provided by the invention is suitable for selectively and effectively preventing and treating predatory and phytophagous pests with chewing mouthparts, hemiptera mouthparts and sponging mouthparts, such as coleoptera, hemiptera, lepidoptera, diptera, homoptera, orthoptera, mantis, hymenoptera and spider in the tussah garden on the premise of ensuring the safety of tussah; the chlorfenapyr pesticide is especially suitable for preventing and treating black wide-shoulder step beetles, concave-wing wide-jaw step beetles, arma chinensis, long-horned grasshopper, four-star burial insects and the like.

Description

technical field [0001] The invention relates to the technical field of pesticide applications, in particular to the application of pesticides using chlorfenapyr as an active ingredient to prevent and control pests in tussah gardens in tussah silkworm production. Background technique [0002] Oak leaves are the favorite food of tussah silkworms. Tussah silkworm is a kind of wild silkworm with important economic value. The growth and development stage of its larvae is completed on the oak trees in the oak garden. In the natural environment in the wild, pests in the tussah garden (tussah pests, oak tree pests) pose a serious threat to the normal growth and development of tussah silkworms, such as: black broad-shouldered carapace, concave-winged broad-jawed carapace, stinkbug, stinkbug, and silkworm The invasion of tussah silkworms by predatory pests such as katydids and four-star burial insects, and the competition between herbivorous oak tree pests and tussah silkworms for ea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/36A01N43/88A01N57/12A01N57/16A01P7/04
CPCA01N43/36A01N43/88A01N57/12A01N57/16
Inventor 陈增良
Owner 辽宁省蚕业科学研究所
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