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Sterilizing composition containing active ester

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

Active Publication Date: 2010-05-19
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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  • Sterilizing composition containing active ester
  • Sterilizing composition containing active ester
  • Sterilizing composition containing active ester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Bioassay Example 1: Indoor Toxicity Determination of Activated Ester and Imidazole Fungicide Compounding (Carbendazim and Thiophanate-Methyl as Example) to Cucumber Powdery Mildew Bacteria

[0035] Test object: Cucumber powdery mildew (collected from the field)

[0036] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1156.4-2006". Two cucumber seedlings at the true leaf stage were selected in pots with the same growth potential, and 5 pots were selected for each treatment, and the numbers were reserved for future use. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. For the test treatments, see Table 1, Table 2, and Table 3, and 5 concentration gradients were set for each drug. After 24 hours, the inoculation concentration was 3×10 5 spores / mL of Cucumber powdery mildew conidia suspension. The cucumber seedlings sprayed with the same amount of water were used as the blank control. After inoculation, the cucum...

Embodiment 2

[0065] Embodiment 2: 40.4% activated ester · carbendazim suspension concentrate

[0066] Activated ester 0.4%, carbendazim 40%, polycarboxylate (dispersant) 10%, tea dry powder (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, water to make up to 100%.

Embodiment 3

[0067] Embodiment 3: 30.3% activated ester·thiophanate-methyl suspension concentrate

[0068] Activated ester 30%, thiophanate-methyl 0.3%, sodium lignosulfonate (dispersant) 10%, sodium lauryl sulfate (wetting agent) 3%, xanthan gum (thickener) 2% , polyvinyl alcohol (thickener) 1%, propylene glycol, (antifreeze agent) 5%, water to make up to 100%.

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Abstract

The invention relates to a sterilizing composition containing active ester, which comprises effective components such as active ester (A) and an imidazole bactericide (B), wherein the imidazole bactericide is chosen from carbendazim, thiophanate-methyl, benomyl and probenazole, the weight ratio of the A and B is 100:1-1:100, and the content of the active component in the composition is 10-80 in percentage by weight. The composition can be prepared into suspending agents, wetting powder, water dispersible granules, and the like. The sterilizing composition can be applied to farmlands, orchardsand the like and is used for controlling various plantdiseases of grains, vegetables, fruit trees, flowers, and the like, in particular powdery mildew.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing an activated ester and an imidazole 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. Mostly ectoparasitic, all or most of the mycelium is exposed on the surface of the leaves, stems, shoots, buds, flowers and fruits of the host plant, and produces a large number of mycelia, conidiophores and conidia A white powder visible to the naked eye. [0003] 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 mulbe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/18A01N43/828A01N47/34A01N47/38A01N43/78A01P3/00
Inventor 张承来杨立平孔建
Owner SHENZHEN NOPOSION AGROCHEM
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