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Ternary compound wettable powder and preparation method and application thereof

A technology of wettable powder and wetting agent, which is applied in the field of wettable powder and its preparation, can solve the problems of unsatisfactory technical content and efficacy of manganese zinc in epidemic frost, low suspension rate of epidemic frost, etc., and achieve significant social and economic benefits , remarkable control effect and low production cost

Inactive Publication Date: 2011-09-21
LIMIN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technical content and drug efficacy of the above-mentioned traditional blight manganese zinc are not ideal, the blight suspension rate is low, and there is a certain resistance to the control direction of spotted leaf disease on fruit trees in recent years.

Method used

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  • Ternary compound wettable powder and preparation method and application thereof
  • Ternary compound wettable powder and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: ternary composite wettable powder of the present invention, raw material consists of mancozeb: 50% (weight), fosfo-aluminum: 10% (weight), metalaxyl: 5% (weight), lignin Calcium sulfonate: 6% (weight), D-425: 4% (weight), sodium lauryl sulfate: 1% (weight), sodium citrate: 5% (weight) and calcined kaolin: 19% ( weight). The preparation method of this ternary compound wettable powder is that the above raw materials are fully mixed, and then enter the fluidized bed for airflow pulverization, so that the fineness reaches 10um, thereby obtaining 65% (mancozeb 50% + B Phosphorus aluminum 10% + metalaxyl 5%) ternary compound wettable powder, the 65% ternary compound wettable powder mancozeb suspension rate: 90%, ethyl phosphorus aluminum suspension rate: 92%, Suspension rate of metalaxyl: 92%; fineness 99% through 22um sieve; wettability ≤ 100 seconds.

Embodiment 2

[0018] Embodiment 2: ternary composite wettable powder of the present invention, raw material consists of mancozeb: 50% (weight), fosfo-aluminum: 20% (weight), metalaxyl: 5% (weight), lignin Calcium sulfonate: 7% (weight), D-425: 5% (weight), sodium lauryl sulfate: 1.5% (weight), sodium citrate: 4% (weight) and diatomaceous earth: 7.5% ( weight). The preparation method of the ternary compound wettable powder is the same as in Example 1, and a 75% (mancozeb 50%+fosmoluminum 20%+metalaxyl 5%) ternary compound wettable powder can be obtained. After testing, the 65% ternary compound wettable powder mancozeb suspension rate: 86%, ethyl fosmo aluminum suspension rate: 90%, metalaxyl suspension rate: 95%; fineness 99% passed through 22um sieve; wettability ≤80 seconds.

Embodiment 3

[0019] Embodiment 3: ternary composite wettable powder of the present invention, raw material is by mancozeb: 50% (weight), fosfo-aluminum: 20% (weight), metalaxyl: 10% (weight), lignin Calcium sulfonate: 8% by weight, D-425: 5% by weight, sodium lauryl sulfate: 2% by weight and sodium citrate: 5% by weight. The above raw materials are batched and stirred fully and evenly, and then entered into a fluidized bed for airflow pulverization to make the fineness reach 10um, thereby making 80% of the invention (mancozeb 50%+fosmozeb 20%+metalaxyl 10 %) ternary compound wettable powder. The suspension rate of mancozeb: 90%, fosfo-aluminum suspension rate: 93%, metalaxyl suspension rate: 98%; fineness (99% pass through 22um sieve); wettability ≤ 60 seconds.

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Abstract

The invention discloses ternary compound wettable powder and a preparation method and application thereof. The ternary compound wettable powder comprises the following raw materials in percentage by weight based on 100 percent of total weight: 50 to 70 percent of mancozeb, 10 to 25 percent of aliette, 4 to 20 percent of metalaxyl, 3 to 16 percent of dispersant, 1 to 3 percent of wetting agent and the balance of filler. The method comprises the following steps of: proportioning and pre-blending the raw materials, and performing fine crushing till the fineness reaches 10 microns to obtain the ternary compound wettable powder. The ternary compound wettable powder can be used for protecting and treating downy mildew, epidemic disease, apple scab spasm disease, sphaerotheca fuligenea and the like on vegetables, flowers, cotton and rubber, and is safe to use; and the preparation method is simple and easy to implement, and has remarkable social and economic benefits.

Description

technical field [0001] The present invention relates to an agricultural fungicide and its preparation method and application, in particular to a wettable powder compounded by mancozeb, fosmo-aluminum and metalaxyl, its preparation method and application. Background technique [0002] The traditional wettable powder of manganese zinc is mainly composed of ethyl phosphorus aluminum and mancozeb. It is a kind of protective fungicide with strong systemic absorption. It mainly contains 70% manganese zinc The two dosage forms of manganese zinc are mainly used to prevent and control anthracnose and ring spot of vegetables, defoliation and leaf spot of fruit trees and other diseases. However, the technical content and drug efficacy of the above-mentioned traditional blight manganese zinc are not ideal, and the blight suspension rate is low, and there is a certain resistance to the control direction of spotted leaf disease on fruit trees in recent years. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/12A01N47/14A01N37/46A01N25/14A01P3/00
Inventor 孙敬权徐勤江马贤振陈婧
Owner LIMIN CHEM CO LTD
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