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Insecticide composition for preventing and controlling injurious insects such as mealybugs

A composition and insecticide technology, applied in the field of pesticides, can solve the problems of slow insecticidal effect and unstable effect, and achieve the effects of reducing labor intensity, preventing droplet drift, and strong adhesion

Active Publication Date: 2017-05-31
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of spirotetramat and Verticillium lecanii into an oil agent improves the control effect, is conducive to the comprehensive control of pests, and will overcome the slow insecticidal effect, greater environmental impact, and ineffectiveness when the two agents are used alone. Unstable Disadvantages

Method used

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  • Insecticide composition for preventing and controlling injurious insects such as mealybugs
  • Insecticide composition for preventing and controlling injurious insects such as mealybugs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Spirotetramat 20%, Verticillium lecanii 4%, 1-ethyl-2-pyrrolidone 15%, epoxy soybean oil 15%, styrylphenol polyoxyethylene ether 15%, C8-10 fat Alcohol 0.2%, white carbon black 2%, and the balance is mineral oil.

[0028] The preparation method of above-mentioned pesticidal composition comprises the steps:

[0029] Dissolve the spirotetramat in the mass percentage, then add Verticillium lecanii bacteria powder, vegetable oil, surfactant, suspending agent, defoamer, glycerin, mix and stir evenly, transfer to a high shear machine and stir for 10 minutes , get the oil agent, see the flow chart figure 1 .

[0030] Determination of insecticidal effect:

[0031] 1. Test object: Fuso cotton mealybug

[0032] 2. Drugs to be tested: the insecticide composition prepared in Example 1 of the present invention; 10% Verticillium lecanii oil and 25% spirotetramat oil were prepared in the same manner as in Example 1.

[0033] 4. Test method and results: Accurately weigh 20 grams o...

Embodiment 2

[0037] Spirotetramat 10%, Verticillium lecanii 3%, Dipropylene glycol dimethyl ether 10%, Soybean oil 20%, Alkylphenol polyoxyethylene ether 10%, Organic silicones 0.3%, Organic bentonite 2% , and the balance is glycerin.

[0038]The preparation method of above-mentioned insecticide composition is the same as embodiment 1, and test method is the same as embodiment one, and the result shows that present embodiment 13% spirotetramat-Verticillium laxensis oil agent 800 times medicines back 96 hours control effect is 88.9% %, and 5% Verticillium lecanii oil and 15% spirotetramat oil are used in the same way, and the control effects in 96 hours after the medicine are respectively 46.3%, 68.1%. The effect is significantly better than that of single-dose Verticillium lecanii oil and spirotetramat oil,

Embodiment 3

[0040] Spirotetramat 30%, Verticillium lecanii 6%, isooctyl alcohol 20%, corn oil 20%, polyol fatty acid ester 15%, ester-ether type compound 0.1%, agar 1%, the balance is mineral glycerin.

[0041] The preparation method of the above-mentioned insecticide composition is the same as Example 1, and the test method is the same as Example 1. The results show that the present embodiment, 36% spirotetramat-Verticillium lecanii oil agent 3000 times the control effect after 96 hours of medicine is 94.8%, and 6% Verticillium lecanii oil and 40% spirotetramat oil are used according to the same method, and the control effect in 96 hours after the medicine is respectively 52%, 79.1%. The control effect was significantly better than that of single-dose Verticillium lecanii oil and spirotetramat oil.

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Abstract

The invention discloses an insecticide composition for preventing and controlling injurious insects such as mealybugs. Active ingredients of the insecticide composition comprise spirotetramat and verticillium lecanii, wherein the mass percent of the spirotetramat and the verticillium lecanii in the insecticide composition is 1-45%; and the mass ratio of the spirotetramat to the verticillium lecanii is (0.1-40): 1. The insecticide composition disclosed by the invention is mainly used for the prevention and control of injurious insects such as mealybugs, has the advantages of being synergistic, good in permeability, high in activity, stable in effect, long in persistent effect, small in environmental influences, strong in stickiness and evaporation-resistant, can be used for ultralow-volume plane sprays to control a plurality of crop insects at the same time, and has good application and popularization values.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to an insecticide composition for controlling mealybug pests and a preparation method thereof. Background technique [0002] Spirotetramat is a tetronic acid compound and is one of the modern insecticides with two-way systemic conduction properties. The compound can move up and down throughout the plant to reach the foliage and bark, thereby controlling pests such as on the inner leaves of lettuce and cabbage, and on the bark of fruit trees. This unique systemic property protects young stems, leaves and roots from the growth of pest eggs and larvae. Another feature is its long-lasting effect, which can provide effective control for up to 8 weeks. The existing preparations of spirotetramat mainly include conventional preparations such as emulsifiable concentrates, suspension concentrates, and wettable powders. These conventional preparations have low adhesion to crop...

Claims

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Application Information

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IPC IPC(8): A01N25/06A01N63/04A01N47/06A01P7/04
CPCA01N25/06A01N47/06A01N63/30A01N2300/00
Inventor 章玉苹黄少华廖永林王龙江李传瑛刘伟玲
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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