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Fungicidal composition containing active ester

A composition, activated ester technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of increasing pesticide residues, aggravating environmental pollution, reducing control effects, etc. The effect of site addition

Inactive Publication Date: 2010-06-23
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long-term use of these agents, they have produced different degrees of drug resistance, and the control effect is reduced.
At the same time, the extensive use of medicaments increases pesticide residues, endangers food safety, and aggravates environmental pollution.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: 20.2% activated ester · cyprodinil suspension concentrate

[0042] Activated ester 20%, cyprodinil 0.2%, sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%, sodium lauryl sulfate (wetting agent) 3%, xanthan gum (thickener) 2%, bentonite (thickener) 1%, glycerin (antifreeze) 5%, water to make up to 100%.

[0043] This embodiment is applied to the control of strawberry powdery mildew. The test site is Shenzhen Longgang Field Science and Technology Park. Apply the first medicine at the early stage of the onset, and carry out the second medicine seven days later. Investigate the condition index before the medicine and seven days after the second medicine. Embodiment 1 adds water dilution spray by 45g (a.i.) / ha, and the control effect of 14 days after the medicine is 89.2%; According to 150g (a.i.) / ha, add water to dilute and spray, the control effect of 14 days after the medicine is respectively 74.5% and 79.8%. The synergistic effect...

Embodiment 2

[0044] Embodiment 2: 40.4% activated ester · cyprodinil suspension concentrate

[0045] Activated ester 0.4%, cyprodinil 40%, polycarboxylate (dispersant) 10%, tea dry powder (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) ) 1%, ethylene glycol (antifreeze) 5%, and water to make up to 100%.

[0046] This embodiment is applied to the control of grape powdery mildew. The test site is Xing'an County, Guilin City. Apply the first medicine at the early stage of the onset, and carry out the second medicine seven days later. Investigate the condition index before the medicine and seven days after the second medicine. Embodiment 2 is processed by 60g (a.i.) / ha, and the control effect of 14 days after the medicine is 90.1%; 150g(a.i.) / ha treatment, the control effects were 76.3% and 80.5% respectively 14 days after application. The synergistic effect is obvious after the compounding of activated ester and cyprodinil according to this ratio, and the cont...

Embodiment 3

[0047] Embodiment 3: 30.3% activated ester · fluoxastrobin suspension concentrate

[0048] 30% activated ester, 0.3% fluoxastrobin, 10% sodium lignosulfonate (dispersant), 3% saponin powder (wetting agent), 2% xanthan gum (thickener), polyvinyl alcohol (thickener) 1%, propylene glycol, (antifreeze agent) 5%, water to make up to 100%.

[0049] This embodiment is applied to the prevention and treatment of wheat powdery mildew. The test site is Nanyang, Henan. Apply the first medicine at the early stage of the onset, and carry out the second medicine ten days later. Investigate the condition index before the medicine and ten days after the second medicine. Embodiment 3 was processed by 45g (a.i.) / ha, and the control effect of 20 days after the medicine was 88.7%; 50% activated ester wettable powder was pressed by 50g (a.i.) / ha and 10% fluoxamethanil emulsifiable concentrate by 150g (a.i.) / ha treatment, the control effects were 73.8% and 78.6% 20 days after treatment. The sy...

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PUM

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Abstract

The invention relates to a fungicidal composition containing active ester, which contains effective components of the active ester (A) and a pyrimidine fungicide (B), wherein the pyrimidine fungicide extracts from cyprodinil, fluorine mepanipyrim, mepanipyrim, fenarimol, nuarimol and the like, the mass ratio of A and B is between 100:1 and 1:100; and the mass percentage of the active components in the composition is 10-80%. The composition can be prepared to suspending agent, wettable powder and water dispersing granule. The fungicidal composition can be applied in the farmland and orchard and is used for preventing various plant diseases, particularly the powdery mildew and rust disease on the crops such as grain, vegetables, fruit tree and flowers.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing an activated ester and a pyrimidine bactericide, and belongs to the field of agricultural bactericides. Background technique [0002] Powdery mildew is a plant disease caused by fungi of the family Erysiphacesae. Powdery mildew is widespread all over the world, especially in dicotyledonous plants. The main powdery mildews in China include cereal powdery mildew caused by Ery-siphe graminis; powdery mildew of melons, beans, hemp and other plants caused by Sphaerotheca fuliginea; Grape powdery mildew caused by Uncinula necator; powdery mildew of more than 80 kinds of trees such as mulberry, pear, persimmon, walnut, chestnut, litchi and papaya caused by Phyllactinia corylea; Powdery mildew of Rosa flowers caused by Sphaerotheca pannosa. [0003] When the powdery mildew first occurs, the leaves produce small yellow spots, and then expand and develo...

Claims

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Application Information

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IPC IPC(8): A01N43/828A01N43/54A01N25/04A01N25/12A01N25/14A01P3/00
Inventor 张承来曹明章杨立平孔建
Owner SHENZHEN NOPOSION AGROCHEM
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