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Preparation method and application of metalaxyl and abamectin controlled-release granules

A technology of slow-release granules and abamectin is applied in the field of pesticides to achieve the effects of improving crop growth, increasing crop yield and improving utilization rate

Inactive Publication Date: 2015-03-25
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems of soil-borne diseases and insect pests in crops such as vegetables, ginger, strawberries, flowers, melons, nurseries, orchards, tea gardens, trees or Chinese herbal medicines, the present invention proposes an economical and effective slow-release granule of metalaxyl and abamectin The preparation method of the agent

Method used

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  • Preparation method and application of metalaxyl and abamectin controlled-release granules
  • Preparation method and application of metalaxyl and abamectin controlled-release granules
  • Preparation method and application of metalaxyl and abamectin controlled-release granules

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] The formulation of 15% A. Avi sustained-release granules is as follows: (calculated by the total weight of the granules)

[0069]

[0070] The preparation method of the sustained-release granule of the present invention comprises the steps of uniformly metering and mixing metalaxyl, the original drug of abamectin, a dispersing aid, and an auxiliary sustained-release agent, and using carrier zeolite powder for adsorption to obtain a carrier material, which is tested and qualified After analysis of unqualified reasons, formulate a plan to re-adsorb, and then use after passing; mix the dispersion aid, binder, and filler evenly to prepare the coating material for use, and finally the carrier material and the coating material are coated granulation method, and dry at 110-120°C until the water content of the granules is less than 3%, then granules with zeolite powder carrier can be obtained; the powder sieves are crushed and returned to the mixing tank for re-mixing, and un...

Embodiment 2

[0072] The formulation of 10.5% A. Avi sustained-release granules is as follows: (calculated by the total weight of the granules)

[0073]

[0074] The preparation method of the sustained-release granule of the present invention comprises the steps of uniformly metering and mixing metalaxyl, the original drug of abamectin, a dispersing aid, and an auxiliary sustained-release agent, and using carrier zeolite powder for adsorption to obtain a carrier material, which is tested and qualified After analysis of unqualified reasons, formulate a plan to re-adsorb, and then use after passing; mix the dispersion aid, binder, and filler evenly to prepare the coating material for use, and finally the carrier material and the coating material are coated granulation method, and dry at 110-120°C until the water content of the granules is less than 3%, then granules with zeolite powder carrier can be obtained; the powder sieves are crushed and returned to the mixing tank for re-mixing, and ...

Embodiment 3

[0076] The formulation of 24% A. Avi sustained-release granules is as follows: (calculated by the total weight of the granules)

[0077]

[0078] The preparation method of the sustained-release granule of the present invention comprises the steps of uniformly metering and mixing metalaxyl, the original drug of abamectin, a dispersing aid, and an auxiliary sustained-release agent, and using carrier zeolite powder for adsorption to obtain a carrier material, which is tested and qualified After analysis of unqualified reasons, formulate a plan to re-adsorb, and then use after passing; mix the dispersion aid, binder, and filler evenly to prepare the coating material for use, and finally the carrier material and the coating material are coated granulation method, and dry at 110-120°C until the water content of the granules is less than 3%, then granules with zeolite powder carrier can be obtained; the powder sieves are crushed and returned to the mixing tank for re-mixing, and un...

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Abstract

The invention discloses a preparation method and application of metalaxyl and abamectin controlled-release granules. Weighted according to the total weight of the granules, the granules comprise the following components in percentage by weight: 0.1-25% of metalaxyl, 0.3-5% of abamectin, 50-85% of zeolite powder serving as a carrier, 0.3-4% of dispersing aid, 0.1-4% of an auxiliary controlled-release agent, 0.2-8% of a binder and the balance of filler. The granules disclosed by the invention are prepared by using a coating method. The granules are suitable for farmlands for planting vegetables, gingers, strawberries, flowers, melons, young plants, fruits, tea, trees, Chinese herbal medicines and the like, and can be used for simultaneously and effectively preventing and treating soil borne diseases and nematodes appearing in the process of planting agricultural crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a preparation method and application of sustained-release granules. Background technique [0002] In the past ten years, with the adjustment of agricultural planting structure, protected cultivation has developed rapidly in our country. The national protected area has exceeded 2 million hectares. With the continuous development of protected areas and the continuous cultivation of high value-added crops, the problem of soil-borne diseases will become more and more prominent, and will become an important factor seriously restricting the development of protected areas. According to the investigation of the inventor in Shandong, Hebei, Jiangsu, Liaoning, Zhejiang, Henan and other places, the harm of soil-borne diseases has become a prominent problem in protected cultivation. Taking the ginger planting area in Anqiu, Shandong as an example, soil-borne diseases such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/08A01N25/12A01P3/00A01P5/00A01N37/46
Inventor 毛连纲颜冬冬沈锦刘鹏飞曹坳程王秋霞李园欧阳灿彬郭美霞
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI