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Insecticidal composition for controlling citrus leafminer and its use
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An insecticidal composition and technology for leaf miners, applied in the directions of insecticides, applications, biocides, etc., can solve problems such as rapid development of resistance, achieve excellent control effect, increase action sites, overcome and mite resistance. medicinal effect
Active Publication Date: 2020-09-29
ZHEJIANG FORESTRY UNIVERSITY
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[0005] For a long time, the main insecticides used to control citrus leafminer are pyrethroids and organophosphorus insecticides. However, long-term use of a single insecticide species can easily lead to rapid development of resistance and requires different mechanisms of action. alternate use of pesticides
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preparation example Construction
[0054] 2. Preparation of the composition
[0055] The percentages in the proportioning ratio of all preparations in the invention are percentages by mass.
[0056] One), the preparation of emulsifiable oil:
[0057] According to the formula requirements, add the solvent, the original drug and the emulsifier respectively, mix evenly, and if necessary, heat and dissolve in a water bath to obtain a transparent emulsifiable oil.
Embodiment 1、10
[0058] Embodiment 1, 10% emulsifiable concentrate
[0059] Astramectin 5%, spinosad 5%, Nongru 0203B 6%, Nongru 0201B 9%, cyclohexanone 8%, mineral spirits 150 to make up to 100%.
Embodiment 2、20
[0060] Embodiment 2, 20% emulsifiable concentrate
[0061] Tenvermectin 5%, spinosad 15%, Nongru 2201# 6%, Nongru 0201B 8%, cyclohexanone 8%, mineral spirits 150 to make up to 100%.
[0062] Two), the preparation of wettable powder:
[0063] According to the requirements of the formula, the original drug, various additives and fillers are fully mixed, and the processed product is obtained after being pulverized by an ultra-fine pulverizer.
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Abstract
The invention discloses an insecticidal composition for preventing and treating phyllonistis citrella stainton. The insecticidal composition consists of tenvermectin and spinetoram; the mass ratio of the tenvermectin to the spinetoram is (1:50)-(50:1). The invention further provides an insecticide prepared from the insecticidal composition, and the insecticide contains the insecticidal composition of which the mass percentage is more than or equal to 0.1 percent. The invention further provides application of the insecticidal composition to the prevention and the treatment of the phyllonistis citrella stainton.
Description
technical field [0001] The invention relates to an insecticidal composition, in particular to a synergistic insecticidal composition containing asveratin and spinosyn and its application. Background technique [0002] Citrus leafminer (Phyllocnistis citrella Stainton) belongs to Lepidoptera and is distributed in all continents of the world and in citrus producing areas in my country. It is found in Jiangxi, Jiangsu, Fujian, Zhejiang, Hainan, Guangxi, Guangdong, Hunan, Hubei, Guizhou , Sichuan, Chongqing, Shanghai, Yunnan and other citrus parks can occur. is a serious pest of citrus. Leaf miner larvae damage young buds and leaves, and in some cases, they can damage fruits. The larvae burrow beneath the leaf epidermis to feed on the mesophyll tissue, creating a meandering tunnel and leaving a fecal thread in the middle. The damaged leaves shrink and can become overwintering places for pests such as citrus leafminer and leaf tortrix; the photosynthetic efficiency of the damag...
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Application Information
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