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Pesticide composite containing pyraclostrobin

A technology of pyraclostrobin and pesticide composition, which is applied in the field of preparation and application of pesticide composition, and can solve the problems of reduced control effect, unfavorable environmental sustainable development, and increased dosage of pesticides, etc.

Inactive Publication Date: 2011-09-14
陕西汤普森生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Long-term use of a single dose of pyraclostrobin will easily cause disease resistance, leading to problems such as increased dosage, reduced control effect, and shortened duration, which is not conducive to sustainable development of the environment

Method used

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  • Pesticide composite containing pyraclostrobin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] Example 1 The efficacy test of 40% flusilazole·pyraclostrobin microemulsion in preventing and treating pear scab

[0085] Flusilazole 30%, pyraclostrobin 10%, acetone 10%, Nongru 500#8%, isobutanol 5%, hydroxyethyl cellulose 2%, sodium sorbate 2%, silicone antifoaming agent 0.5%, deionized water was added to 100%, and mixed to prepare 40% flusilazole·pyraclostrobin microemulsion. The proportion is 6,000 times diluted and sprayed, and the medicine is applied at the initial stage of the disease. It is applied once every 7 days for a total of 3 times. The disease index is investigated 7 days and 14 days after the last application and the control effect is calculated. The effects of preventing and curing pear scab at 7 days and 14 days after the medicine were 91.35% and 96.64% respectively. 40% flusilazole EC and 25% pyraclostrobin EC were diluted 7000 times and 1800 times respectively according to the same method. The control effects were 70.8% and 73.5% 14 days after the me...

Embodiment 2

[0087] Example 2 The efficacy test of 60% tricyclazole·pyraclostrobin water dispersible granules to control rice blast

[0088] Tricyclazole 40%, Pyraclostrobin 20%, Alkylbenzenesulfonate calcium salt 4%, Sodium tripolyphosphate 3%, Wetting and penetrating agent F 3%, Ammonium sulfate 1%, Bentonite is added to 100%, Mix to obtain 60% tricyclazole·pyraclostrobin water dispersible granules. The proportion was diluted and sprayed at 15 g / mu, and the medicine was applied at the initial stage of onset, once every 7 days, for a total of 2 times. The disease index was investigated 7 days and 14 days after the last application and the control effect was calculated. The effects of controlling rice blast on the 7th and 14th days after the treatment were 91.2% and 96.8%, respectively. The 20% tricyclazole wettable powder and 25% pyraclostrobin EC followed the same method at 80 g / mu and 35 g respectively. Diluted per mu, the control effects were 72.8% and 71.2% in 14 days after the medicine...

Embodiment 3

[0090] Example 3 The efficacy test of 60% epoxiconazole·pyraclostrobin wettable powder for controlling banana leaf spot

[0091] Epoxiconazole 40%, pyraclostrobin 20%, polycarboxylate 5%, sodium lignosulfonate 3%, silkworm excrement 2%, diatomaceous earth added to 100%, the mixture is airflow pulverized and mixed 60% epoxiconazole·pyraclostrobin wettable powder. The ratio was diluted and sprayed at 7000 times, and the medicine was applied at the initial stage of onset, once every 7 days, for a total of 3 times. The disease index was investigated 7 days and 14 days after the last application and the control effect was calculated. The effect of preventing and controlling banana leaf spot disease was 90.3% and 95.3% after 7 days and 14 days after treatment. 30% epoxiconazole suspension and 25% pyraclostrobin EC were diluted 2000 times and 1800 times respectively according to the same method. The control effects were 68.3% and 72.3% 14 days after the medicine.

[0092] In this embodi...

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Abstract

The invention discloses a pesticide composite containing pyraclostrobin. The pesticide composite contains active ingredients, namely pyraclostrobin and one of triazole compounds: flusilazole, epoxiconazole, tetraconazole, tricyclazole and propiconazole. The ratio of the parts of the two active ingredients by weight is 60 to 1-1 to 60. The pesticide composite at least contains one type of surfactant, thus being beneficial to the dispersion of the active ingredients in water. The pesticide composite integrates protection activity, treatment activity with eradication activity. The pesticide composite can be used for various crop plants such as wheat, paddy rice, vegetables, fruit trees and the like; and the pesticide composite can prevent and treat diseases such as downy mildew, phytophthora disease, rust disease, powdery mildew, alternaria mali roberts, leaf spot, scab disease, rice blast and the like.

Description

Technical field [0001] The invention belongs to the field of agricultural fungicides, and relates to the preparation and application of a pesticide composition containing pyraclostrobin. Background technique [0002] Pyraclostrobin (pyraclostrobin), molecular formula: C 20 H 23 N 3 O 2 , Chemical name: Methyl (N)-[[[1-(4-chlorophenyl)pyrazol-3-yl)-oxy]-0-methoxy]-N-methoxycarbamate. [0003] Pyraclostrobin is BASF's latest methoxy acrylate fungicide. The pure product is white to light beige odorless crystals. The mechanism of action is a mitochondrial respiratory inhibitor. Make mitochondria unable to produce and provide the energy needed for normal metabolism of cells, and eventually lead to cell death. It can control most diseases such as Ascomycetes, Basidiomycetes, Deuteromycetes and Oomycetes. It has a strong inhibitory effect on the germination of spores and the growth of mycelium in leaves, and has protective and therapeutic activities. It has permeability and local sys...

Claims

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Application Information

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IPC IPC(8): A01N55/10A01N47/24A01N43/90A01N43/653A01P3/00
Inventor 张伟高超曹巧利
Owner 陕西汤普森生物科技有限公司
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