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A kind of pesticide composition containing pyraclostrobin and propamidine

A technology of pyraclostrobin and pesticide composition, applied in the field of pesticide composition, can solve problems such as reducing the risk of resistance to pyraclostrobin or propamidine, achieve the goal of overcoming drug resistance of bacteria, reducing costs, and facilitating comprehensive governance effect

Active Publication Date: 2017-06-23
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The combination of pyraclostrobin and propamidine enhances the protective effect on crops, and at the same time reduces the risk of resistance caused by the single use of pyraclostrobin or propamidine, and no combination of pyraclostrobin and propamidine has been seen so far report

Method used

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  • A kind of pesticide composition containing pyraclostrobin and propamidine
  • A kind of pesticide composition containing pyraclostrobin and propamidine
  • A kind of pesticide composition containing pyraclostrobin and propamidine

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The following substances are in weight percent: pyraclostrobin 30%, propaneamidine 10%, calcium lignosulfonate 4%, lauryl betaine 5%, fatty alcohol polyoxyethylene ether 6%, glycerol 5% %, gum arabic 0.1%, and the balance is deionized water; the above formula is pre-crushed in proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare 40% pyraclostrobin propaneamidine suspending agent.

[0018] This example is used to prevent and treat Botrytis cinerea. 40% pyraclostrobin·propaneamidine suspension was diluted with water at 120g.a.i. / ha and sprayed, and the control effects were 94.3% and 85.7% after 7 days and 14 days after application; 25% pyraclostrobin suspension was 150g.a.i. / ha was diluted with water, and the control effects were 83.6% and 72.2% respectively after 7 days and 14 days after the application; 2% propaneamidine aqueous solution was diluted with 250g.a.i. / ha and sprayed with water, and the prevention effect was 7 ...

Embodiment 2

[0021] The following substances are all percentages by weight: pyraclostrobin 20%, propaneamidine 10%, sodium lignosulfonate 5%, styrene phenol polyoxyethylene ether 5%, methyl oleate 20%, organic bentonite 10%, Dodecylsulfonate calcium salt 8%, the balance is turpentine; the above formula is pre-crushed in proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare 30% pyraclostrobin. Propanamidine dispersible oil suspension.

[0022] This example is used to control barley scab. 30% pyraclostrobin·propaneamidine dispersible oil suspension concentrate is diluted with water at 100g.a.i. / ha and sprayed, and the control effects are 91.5% and 82.6% after 7 days and 14 days after the drug; 25% pyraclostrobin Dilute the spray with water at 150g.a.i. / ha for the suspension, and the control effects are 82.8% and 71.0% at 7 days and 14 days after the drug; 2% propaneamidine water is diluted with 200g.a.i. / ha and sprayed with water, 7 days after t...

Embodiment 3

[0023] The following substances are all percentages by weight: pyraclostrobin 50%, propaneamidine 10%, calcium lignosulfonate 5%, polycarboxylate 6%, glucose 5%, naphthalene sulfonate 4%, and the balance is kaolin . The above formula is dry crushed, granulated, dried and sieved according to the proportion to prepare 60% pyraclostrobin·propaneamidine water dispersible granules.

[0024] This embodiment is used to control celery gray mold. 60% pyraclostrobin·propaneamidine water dispersible granule is diluted with water at 100g.a.i. / ha and sprayed, and the control effects after 7 days and 14 days are 92.7% and 83.9% respectively; 25% pyraclostrobin suspension 150g.a.i. / ha was diluted with water and sprayed, and the control effects were 83.2% and 72.5% respectively 7 days and 14 days after the application; The natural anti-effects were 83.1% and 71.8% respectively. The synergistic effect of pyraclostrobin and propamidine is obvious after compounding, and the control effect on ...

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Abstract

The invention discloses a pesticide composition with active ingredients being pyraclostrobin and propamidine. The pesticide composition contains a commonly-used auxiliary agent, pyraclostrobin and propamidine. Weight ratio of pyraclostrobin to propamidine is 20:1-1:20. The total weight of pyraclostrobin and propamidine in the pesticide composition is 3-90 wt%. After pyraclostrobin and propamidine are compounded, the pesticide composition has an obvious synergistic effect, and dosage of the active ingredients of the compounded medicine is obviously reduced in comparison with dosage of each active ingredient which is used separately. The pesticide composition is applicable to control crop diseases caused by pathogenic fungi, especially crops' gray mold caused by Botrytis pathogen and crops' gibberellic disease caused by Gibberella pathogen.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing pyraclostrobin and propamidine. Background technique [0002] Pyraclostrobin, the English common name Pyraclostrobin, is a methoxyacrylate fungicide and a mitochondrial respiration inhibitor, which prevents electron transfer in the synthesis of cytochromes, has protection, treatment, leaf penetration and conduction, and prevents Cucumber powdery mildew, downy mildew, banana scab, leaf spot, and sclerotinia have good control effects. [0003] Propamidine, English common name Propamidine, is an aromatic diamidine compound. Propamidine is a systemic fungicide, which can be absorbed, distributed and metabolized in plants, and has protective and therapeutic effects. Botrytis cinerea caused by crops. [0004] The mixing of different pesticide varieties is a common method to control agricultural resistant diseases. Through the screening of pesticide formul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/24A01P3/00A01N37/52
Inventor 王礼文刘鹏陈佛祥冷忠国朱刚张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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