Thiamethoxam and monosultap containing insecticide composition and preparation method and application thereo
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An insecticidal composition and a technology for thiamethoxam are applied in the field of pesticides, and can solve the problems of increasing the danger of pesticide application personnel, increasing the direct contact of pesticides, and low utilization rate of effective components, and achieving the goal of not easy to damage crops and reducing the amount of pesticides used. , the effect of reducing drug use
Active Publication Date: 2016-07-13
SHANDONG WEIFANG RAINBOW CHEM
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[0004] Both thiamethoxam and monosultap are broad-spectrum insecticides, which can be used to control pests in paddy fields. However, with the increase of the application period, there are disadvantages such as pest resistance, narrow insecticidal spectrum, and large dosage. Not only increased costs, but also increased environmental pressure
The combination of the two can solve the above problems, but there is no compound product of the two, so it will be of great significance to study their compound preparation for practical application
[0005] In addition, the dosage forms of thiamethoxam and monosultap are mostly wettable powders and water-dispersible granules. These dosage forms need to be applied in the form of spraying. This method of application is labor-intensive, time-consuming, and labor-intensive. The utilization rate of the drug is low, which increases the chance of direct contact between the agent and people, and increases the danger to the sprayer
Method used
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[0037] The preparation method is as follows: After fully mixing half of the total mass of thiamethoxam, monosultap, dispersant, wetting agent and filler with the acid source of the disintegrating agent, carry out ultra-micro airflow pulverization to obtain a 750-mesh fine powder, and then The resulting fine powder is kneaded by adding an appropriate amount of water (3-5% by weight of the material) in a kneader, and granulated by a swing granulator to obtain granules of about 20 meshes. The granules are dried at 60°C and set a...
Embodiment 220
[0038] Example 220% thiamethoxam·dimehytap effervescent tablet
[0039] The formulation and preparation method of the effervescent tablet are the same as in Example 1, except that the weight of the effervescent tablet is 1.0 g.
[0041] The formulation and preparation method of the effervescent tablet are the same as in Example 1, except that the weight of the effervescent tablet is 2.0 g.
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Abstract
The invention discloses a thiamethoxam and monosultap containing insecticide composition and a preparation method and application thereof.The composition comprises effective components including thiamethoxam and monosultap in a mass ratio of 1-40:1-40.The insecticide composition is simple in preparation and can be made into effervescent tablets for prevention and control of injurious insects in paddy fields, and control effects of the insecticide composition are evidently higher than those of the thiamethoxam or the monosultap.In addition, the effervescent tablets effectively avoid micropowder flying in scattering to weaken toxicity of the high-toxicity insecticide and can be directly spread with hands, an operator is protected from inhaling micropowder in an insecticide applying process, and accordingly toxication accidents are avoided; the effervescent tablets generate a great quantity of bubbles in water and can be quickly disintegrated under a driving force of gas generated in the tablets, so that the effective components can be distributed more uniformly and diffused more quickly in a large range to give full play to efficacies of the insecticide; the effervescent tablets can be directly thrown into the paddy fields, and accordingly labor saving and time saving are realized, and harms to pollinating insects such as bees and natural enemies are reduced.Therefore, the thiamethoxam and monosultap containing insecticide composition has a promising application prospect.
Description
technical field [0001] The invention relates to an insecticidal composition containing thiamethoxam and monosultap, an effervescent tablet formulation of the composition, a preparation method and application of the effervescent tablet, and belongs to the technical field of pesticides. Background technique [0002] Thiamethoxam, English common name: thiamethoxam, chemical name: 3-(2-chloro-1,3-thiazol-5-ylmethyl)-5-methyl-1,3,5-oxadiazine-4- Forked (nitro) amines are white crystals. Thiamethoxam is a second-generation neonicotinoid high-efficiency and low-toxic insecticide with a new structure. It has stomach toxicity, contact killing, and systemic effects on pests, and has the characteristics of fast action speed and long-lasting effect. Thiamethoxam can effectively control Lepidoptera, Coleoptera, and Thysanoptera pests, such as various aphids, leafhoppers, whiteflies, planthoppers, thrips, scale insects, yellow-striped flea beetles, etc., especially for aphids, Planthopp...
Claims
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Application Information
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