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Bactericidal composition containing benzothiostrobin and metrafenone and application thereof

A technology of benzothiastrobin and metrafenone, which is applied in the field of pesticides, can solve problems such as agricultural production loss and difficult control, and achieve the effects of saving production costs, improving drug efficacy, and expanding the spectrum of control

Inactive Publication Date: 2019-01-11
FOSHAN RUISHENGTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, due to monotherapy and unscientific drug use, many pathogenic bacteria have developed resistance to the currently used pesticides
Powdery mildew is a worldwide disease that occurs widely on many important crops, causes serious damage, and is difficult to control. In addition, powdery mildew has the characteristics of repeatedly infecting crops and breaking out quickly once it occurs, causing irreparable damage to agricultural production. huge loss

Method used

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  • Bactericidal composition containing benzothiostrobin and metrafenone and application thereof
  • Bactericidal composition containing benzothiostrobin and metrafenone and application thereof
  • Bactericidal composition containing benzothiostrobin and metrafenone and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Example 1: 48% Penthiastrobin Metrafenone Water Dispersible Granules (5:7)

[0059]

[0060] The preparation method of the water-dispersible granule is as follows: according to the above formula, the materials are pulverized together by airflow to obtain the required particle size, and then a binder is added to obtain the material for granulation. Quantitatively send the material into the fluidized bed granulation dryer for granulation and drying, and then 48% benzothiastrobin·metrafenone water-dispersible granules can be prepared.

Embodiment 2

[0061] Example 2: 33% Penthiastrobin Metrafenone Water Dispersible Granules (6:5)

[0062]

[0063] The preparation method of the water-dispersible granules is as follows: according to the above formula, mix pentathiostrobin, metrafenone, dispersant, wetting agent, disintegrating agent and filler uniformly, pulverize with an ultrafine jet mill, knead, Then put it into a fluidized bed granulation dryer for granulation, drying, sieving, and after sampling and analysis, the 33% benzathystrobin·metrafenone water-dispersible granule can be prepared.

Embodiment 3

[0064] Example 3: 21% phenthiastrobin Metrafenone wettable powder (2:1)

[0065]

[0066] The above-mentioned materials are fully mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, a 21% benzothiastrobin-metrafenone wettable powder can be obtained.

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Abstract

The invention discloses a bactericidal composition containing benzothiostrobin and metrafenone and an application thereof, and is characterized in that the bactericidal composition includes the activecomponents of benzothiostrobin and metrafenone, the weight ratio of benzothiostrobin to metrafenone is 1:60-50:1, and the weight percentage of the two components accounts for 2%-50% of the composition. The invention belongs to the technical field of pesticides. Compared with single agents, the bactericidal composition has the pharmacological efficacy improved, can greatly reduce the number of times of field medication and the amount of field medication, thereby saving the cost of pesticide production and effectively reducing environmental pollution and pesticide residues; and the bactericidalcomposition can effectively prevent and treat powdery mildew, sclerotinia sclerotiorum, rice false smut, helminthosporiun maydis, downy mildew, gray mildew, brown spot and venturia inaequalis.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a bactericidal composition, in particular to a bactericidal composition containing benzathystrobin and metrafenone. Background technique [0002] Wheat powdery mildew is caused by wheat powdery mildew (Erysiphe graminis D.Cf.sp.tritici E.Marchal.), and wheat can be affected from seedling to heading. It mainly harms the leaves of wheat, and also harms the stems and ears. Small yellow spots appear on the leaves, and then expand and develop into round or oval lesions with a white powdery mold layer on the surface. Generally, the lower leaves are more than the upper leaves, and the back of the leaves is more than the front. The mildew spots are scattered separately in the early stage, and then combined to form a large mildew spot, which can even cover the whole leaf, seriously affecting photosynthesis, disturbing normal metabolism, causing premature aging, and loss of yield. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/78A01N35/02A01P3/00A01G13/00A01C1/06
CPCA01N43/78A01C1/06A01G13/00A01N35/02
Inventor 王金英王金生王涛王海勇张璇李三朵
Owner FOSHAN RUISHENGTONG TECH CO LTD
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