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Sterilizing pesticide composition containing azoxystrobin as well as application thereof

A pesticide composition and azoxystrobin-containing technology are applied in the directions of application, fungicides, biocides, etc., and can solve the problems of increasing the amount of application and the number of times of application, resistance to botrytis cinerea, aggravating environmental pollution, and the like, To achieve the effect of reducing environmental pollution and pesticide residues, reducing selection pressure, and expanding the scope of prevention and control

Active Publication Date: 2010-09-22
LIER CROPSCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It has been reported in the literature that at present, due to single drug use and other unscientific drug use methods, botrytis cinerea has grown resistant to commonly used pesticides
The emergence of resistance further increases the amount and frequency of application of pesticides, which increases the cost of agriculture and the burden on farmers, aggravates the pollution of the environment, and ultimately leads to the failure of disease control.

Method used

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  • Sterilizing pesticide composition containing azoxystrobin as well as application thereof
  • Sterilizing pesticide composition containing azoxystrobin as well as application thereof
  • Sterilizing pesticide composition containing azoxystrobin as well as application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Determination of the efficacy of azoxystrobin and procymidone compounded against gray mold of cucumber

[0020] Test object: Cucumber Botrytis cinerea Pers.

[0021] The potted method was used in this experiment. The potted cucumber seedlings grow to the stage of 2 true leaves, and the numbers are reserved. On the basis of the preliminary test, set 5-7 series of mass concentrations according to the activity of the drug. Spray the medicinal liquid evenly on the leaf surface until it is completely wet, preferably without dripping water, and wait for the medicinal liquid to dry naturally for later use. There were 5 pots per treatment, and 4 repetitions, and a treatment containing only solvent and surfactant but no active ingredient was set as a blank control. After 24 hours of chemical treatment, use a crop sprayer to evenly spray and inoculate the spore suspension of Botrytis cinerea on cucumber leaves.

[0022] The preparation method of the spore suspensio...

Embodiment 2

[0042] Example 2: Determination of the efficacy of azoxystrobin and procymidone compounded against Botrytis cinerea

[0043] Test object: Botrytis cinerea pers.

[0044] The potted method was used in this experiment. The potted tomato seedlings grow to the stage of 5 true leaves, and the numbers are reserved. On the basis of the preliminary test, set 5-7 series of mass concentrations according to the activity of the drug. Spray the medicinal liquid evenly on the leaf surface until it is completely wet, preferably without dripping water, and wait for the medicinal liquid to dry naturally for later use. There were 5 pots per treatment, and 4 repetitions, and a treatment containing only solvent and surfactant but no active ingredient was set as a blank control. After 24 hours of chemical treatment, a crop sprayer was used to evenly spray and inoculate the spore suspension of Botrytis cinerea on tomato leaves.

[0045] The preparation method of the spore suspension: the pathog...

Embodiment 3

[0065] Example 3: 31% Azoxystrobin·Procymidone WP

[0066] Composition: Azoxystrobin 1%, Procymidone 30%, Sodium Lauryl Sulfate 2%, Sodium Lignosulfonate 5%, Naphthalene Sulfonate 3%, Kaolin Clay to 100%.

[0067] Preparation: The ingredients are fully mixed, and pulverized by a superfine pulverizer in a conventional manner to obtain a wettable powder.

[0068] Application in the prevention and treatment of Botrytis cinerea: the test was carried out with reference to the standards of the People's Republic of China (Guidelines for Field Efficacy Tests of Pesticides). The above-mentioned 31% azoxystrobin · procymidone was diluted and sprayed with water 600 times (the effective concentration of azoxystrobin was 17mg / L, and the effective concentration of procymidone was 500mg / L), and the control effects after 7 days and 15 days were respectively 89.1%, 80.3%. 250 g / L azoxystrobin suspension concentrate is used in the same way by 1000 times (effective concentration is 250mg / L) an...

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Abstract

The invention discloses a sterilizing pesticide composition containing azoxystrobin as well as application thereof. The composition comprises the azoxystrobin and procymidone together with auxiliary components acceptable in pesticides, wherein the azoxystrobin and the procymidone are used as effective medicament components in percentage by weight of 1:50-50:1. Proved by tests, the two effective medicament components in the sterilizing pesticide composition have obvious synergistic function, which are beneficial to delaying the generation of drug resistance, reducing the dosage, lowering the cost and extending the application range of the pesticide.

Description

technical field [0001] The invention relates to a compounded bactericidal pesticide composition and its application. Background technique [0002] Botrytis cinerea Pers. is an infectious disease caused by Botrytis cinerea Pers. It breaks out intermittently and spreads quickly after the onset, especially causing rotten fruits, which poses a great threat to production. Botrytis cinerea of ​​tomatoes, cucumbers and other vegetables has become a high hazard and high loss in greenhouses. It is one of the main diseases that affect the yield, quality and safety of vegetables. It will also cause great losses in the production of melons, onions and leeks, and berries. , is the main limiting factor for fruit and vegetable production. [0003] Azoxystrobin (Azoxystrobin) is a new methoxyacrylate fungicide that has been reported / used so far. Its structure is shown in (I), and its chemical name is (E)-2-{2-[6(2- cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate. The ingredient ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N37/32A01P3/00
Inventor 吕嘉李翔
Owner LIER CROPSCIENCE CO LTD
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