Synergistic bactericide composition and preparation method thereof

A fungicide composition, a synergistic technology, applied in the directions of botanical equipment and methods, biocides, chemicals for biological control, etc., can solve the problem of high cost, achieve low preparation cost, low residue, delay The effect of drug resistance

Active Publication Date: 2014-07-30
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of using a single agent with high content of chlorobromoisocyanuric acid is relatively high at present

Method used

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  • Synergistic bactericide composition and preparation method thereof
  • Synergistic bactericide composition and preparation method thereof
  • Synergistic bactericide composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1 In order to determine the bacteriostasis effect of different ratios of chlorobromoisocyanuric acid and octoprodil on rice bacterial leaf spot pathogen, different ratios of chlorobromoisocyanuric acid and Jinggangmycin were carried out on rice sheath blight For indoor toxicity determination of bacteria, the corresponding concentrations are formulated according to the weight percentage in the table, and the test results are reported as follows:

[0015] Table 1 The virulence test results of chlorobromoisocyanuric acid and octoprodil alone and their mixture against rice bacterial spot disease

[0016]

[0017] The test results showed that the mixture of chlorobromoisocyanuric acid and octoprodil at a ratio of 8:1 to 1:8 could strongly inhibit the growth of rice bacterial leaf spot mycelium, and the ratio of 1:2 increased The most obvious effect.

[0018]

Embodiment 2

[0019] Example 2 15% Cycloprodil Chlorobromoisocyanuric acid wettable powder

[0020] Cycloprodil 10%

[0021] Chlorobromoisocyanuric acid 5%

[0022] NNO (dispersant) 3%

[0023] Sodium lignosulfonate (dispersant) 7%

[0024] Sodium alkylbenzene sulfonate (dispersant) 1%

[0025] Silica (filler) 75%

[0026] Weigh the materials according to the above weight ratio, add each material successively under stirring, after being pulverized by a jet mill and then stir and mix uniformly, the product is obtained, and the field drug efficacy test of preventing and treating rice bacterial streak disease is carried out. The control effect of bacterial streak disease is 80%.

[0027] Table 2 Control effect of 15% octoprodil · chlorobromoisocyanuric acid wettable powder on rice bacterial streak disease 10 days after treatment (%)

[0028]

Embodiment 3

[0029] Example 3 30% Cycloprodil Chlorobromoisocyanuric Acid Suspension Concentrate

[0030] Cycloprodil 20%

[0031] Chlorobromoisocyanuric acid 10%

[0032] Nonylphenol ethoxylate (NP-9) (dispersion wetting agent) 8%

[0033] Propylene glycol (antifreeze) 1%

[0034] Xanthan gum (thickener) 1%

[0035] Silicone defoamer (SAG612) 2%

[0036] Water (filler) 58%

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Abstract

The invention discloses a synergistic bactericide composition and a preparation method thereof. The synergistic bactericide composition is characterized in that the composition comprises effective compositions Xinjunan (of which the effective composition is Di-n-octyldiethylenetriamine) and chloroisobromine cyanuric acid, and an additive; and based on the total weight of the composition, Xinjunan accounts for 1-30%, chloroisobromine cyanuric acid accounts for 1-30%, the additive accounts for 2-25% and a filling material accounts for 15-96%. The above raw materials are added into an enamel stirred vessel, mixed uniformly and subjected to air-flow crushing or grinding, so that the bactericide composition containing Xinjunan and chlorobromoisocyanuric acid is prepared and exists in the form of a wettable powder or a suspending agent. Through combination of thifluzamide and chlorobromoisocyanuric acid for usage, the bactericide composition is low in toxicity, low in residue, wide in bacteriocidal spectrum, good in persistent effect and low in cost, especially has the characteristic of nuisanceless control, and is a relatively ideal pesticide kind for controlling paddy rice bacterial leaf streak and other diseases.

Description

technical field [0001] The invention relates to a synergistic fungicide composition, which exhibits strong disease prevention and treatment effects on agricultural diseases, and can be applied to the prevention and treatment of various diseases such as rice bacterial streak disease and sheath blight. The fungicide composition is different from other existing fungicide compositions or single-agent pesticides. It uses a reasonable combination of low-toxicity and high-efficiency pesticides octocalid and chlorobromoisocyanuric acid, which can delay the emergence of disease resistance , easy to use, safe, good control effect, low residue, safe for the environment, promote crop safety and high-quality production, and play an important role in increasing agricultural production and income. Background technique [0002] Bacterial spot and sheath blight of rice are important diseases of rice, with an annual incidence of hundreds of millions of mu, which is a serious obstacle to high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/64A01P1/00A01N33/04
Inventor 孙红军南艳徐国香童振祥
Owner JIANGSU DONGBAO AGROCHEM
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