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Pest control method

A technology for pests and larvae, applied in the fields of pest control, botanical equipment and methods, pesticides, etc., which can solve the problems of crop quality reduction, short life cycle, and confusion of leaf anthracnose.

Active Publication Date: 2022-04-15
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small body of tea yellow mites, it is difficult to detect with the naked eye. The initial damage is similar to viral diseases. When it is severe, the leaves are dry and easy to be confused with anthracnose. Therefore, during the production process, growers often regard it as a disease for prevention and control. The control effect is not good, resulting in serious losses.
[0005] The two-spotted spider mite Tetranychus urticae (Koch) belongs to the genus Tetranychus of the family Acaridae Tetranychus. Strong ability, in addition to endangering commercial crops, flowers, etc., it also endangers urban ornamental plants and pastures, etc. All the harmful plants exceed more than 1,100 kinds, resulting in reduced crop production and quality, and huge economic losses
However, due to the long-term excessive use and improper use of pesticides, not only are pests prone to develop resistance, but pesticide residues seriously pollute water resources and soil environments, and are difficult to degrade completely within a few years; humans and animals will also eat fruits or leaves sprayed with pesticides by mistake, and serious hazard to health

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0035] The poisonous killing of embodiment 1 Spodoptera frugiperda ovum

[0036] This example provides a method for preventing and controlling the eggs of Spodoptera frugiperda, specifically using an insecticide with methyl benzoate as the active ingredient.

[0037] The test adopts the dipping method, and takes the eggs of Spodoptera frugiperda as the test object. The specific method is as follows:

[0038] Use deionized water containing 1% emulsifier (v / v) (Tween 20 and Tween 80 at a ratio of 1:1) to be configured into 5 series of MB (methyl benzoate) aqueous solutions in equal proportions, and A blank control (deionized water containing 1% emulsifier) ​​was set. Cut the double-sided tape into 2cm lengths, stick it on one end of the glass slide, then use tweezers to peel off the paper on the tape, select green and plump egg masses of Spodoptera frugiperda within 1d age, and divide the eggs into single grains with a soft brush. Pick a single egg and stick it on the sticky t...

Embodiment 2

[0044] The poisonous killing of embodiment 2 Spodoptera frugiperda larvae

[0045] This example provides a control method for Spodoptera frugiperda larvae, specifically using an insecticide with methyl benzoate as an active ingredient.

[0046] The test adopts the feed mixing method, and takes the 3rd instar larvae of Spodoptera frugiperda as the test object, and the specific method is as follows:

[0047] Weigh 30g of artificial feed that has completely solidified (the main components are soybean powder, wheat bran powder, yeast powder, sucrose, agar, sorbic acid, vitamin C, compound vitamin solution, acetic acid, formaldehyde, etc., and the operation method refers to the artificial feed of cotton bollworm. (Liang et al., 1999)) in a ziplock bag, and then take different volumes of MB in equal proportions to prepare 6 series of MB-containing feeds. By kneading and mixing continuously, MB is evenly dispersed in the feed. Then every part of feed is divided into 3 parts and put ...

Embodiment 3

[0057] Embodiment 3 The poisoning of Spodoptera frugiperda adults

[0058] This example provides a control method for adults of Spodoptera frugiperda, specifically using an insecticide with methyl benzoate as an active ingredient.

[0059] The test adopts the food-mixing method, and the newly emerged adults of Spodoptera frugiperda are the test objects. The specific method is as follows:

[0060] Prepare 10% honey water with deionized water containing 1% emulsifier (v / v) (Tween 20 and Tween 80 at a ratio of 1:1), as a blank control, and configure 6 series in equal proportions Concentrations of MB-containing honey water (0.05%, 0.10%, 0.25%, 0.50%, 1.00% and 2.00%). Each concentration was soaked with absorbent cotton and fed to 10 newly eclovened Spodoptera frugiperda adults (no distinction between male and female) after starvation treatment for 24 hours in a 1000ml disposable lunch box, with 3 repetitions. The number of deaths at 1h, 24h, 48h and 72h after feeding was record...

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PUM

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Abstract

The invention relates to the technical field of pest control, and particularly discloses a pest control method. According to the pest control method, a botanical insecticide is used for pest control, the botanical insecticide only contains one active component, and the active component is methyl benzoate; the pests are spodoptera frugiperda, green peach aphid, polyphagotarsonus latus, tetranychus urticae, panonychus citri, bactrocera dorsalis and tribolium cavaleriei. The method is environmentally friendly, efficient and suitable for application and popularization.

Description

technical field [0001] The invention relates to the technical field of pest control, in particular to a pest control method. Background technique [0002] Spodoptera frugiperda (J.E.Smith) belongs to the genus Spodoptera frugiperda of Lepidoptera Noctuidae, also known as fall armyworm, and its English name is fall armyworm. It was first recorded in 1797 and reported harming cotton in 1856. The International Center for Agriculture and Biological Sciences lists it as the top ten plant pests in the world. The insect is known for its polyphagia, and its host plants are as many as 353 species in 76 families, and it has a strong ability to migrate and disperse. Larvae feeding on leaves can cause defoliation, sometimes by cutting roots, cutting off the stems of seedlings and young plants, causing great losses, and then transferring to damage. [0003] The green peach aphid Myzus persicae (Sulzer) belongs to the Hemiptera Aphididae, and is also called aphid, smoke aphid, green pea...

Claims

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Application Information

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IPC IPC(8): A01N37/10A01P7/04A01P7/02A01P17/00A01G13/00A01M29/12A01M29/00
CPCA01N37/10A01G13/00A01M29/12A01M29/00
Inventor 谷少华赵瑞王欢欢高洁高希武梁沛
Owner CHINA AGRI UNIV
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