Biological-chemical synergism bactericide

A synergistic, fungicide technology, applied in the directions of fungicides, chemicals for biological control, biocides, etc., can solve the problem of high cost of use, and achieve the effects of low preparation cost, delaying drug resistance, and simple production

Inactive Publication Date: 2015-04-29
钱忠金 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the cost of using a single agent of fluazinam with a high content is relatively high at present

Method used

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  • Biological-chemical synergism bactericide
  • Biological-chemical synergism bactericide
  • Biological-chemical synergism bactericide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 In order to determine the bacteriostatic effect of different proportions of fluazinam and Jinggangmycin on rice sheath blight bacteria, the indoor toxicity determination of different proportions of fluazinam and Jinggangmycin on rice sheath blight bacteria was carried out. According to the weight percentage in the table, the corresponding concentration is made, and the test results are reported as follows:

[0021] Table 1 Toxicity test results of fluazinam and Jinggangmycin single agent and their mixture against rice sheath blight

[0022]

[0023] The test results showed that the mixture of fluazinam and Jinggangmycin at a ratio of 1:5 to 1:10 could strongly inhibit the growth of rice sheath blight mycelium, and the synergistic effect was the most obvious in the ratio of 1:10 .

Embodiment 2

[0024] Embodiment 2: Weighing percentage by weight of 11% Jinggangmycin Fluazinam wettable powder:

[0025] Jinggangmycin 10%

[0026] Fluazinam 1%

[0027] NNO (dispersant) 3%

[0028] Sodium lignosulfonate (dispersant) 7%

[0029] Sodium alkylbenzene sulfonate (dispersant) 1%

[0030] Silica (filler) 78%

[0031] 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 for preventing and treating rice sheath blight is carried out. The disease control effect is 80%.

[0032] Table 2 Control effect of 11% Jinggangmycin Fluazinam wettable powder on rice sheath blight after 10 days of treatment (%)

[0033] (Jiangsu Jiangdu)

[0034]

Embodiment 3

[0035] Embodiment 3: The weighing percentage by weight of 22% Jinggangmycin fluazinam suspension concentrate:

[0036] Jinggangmycin 20%

[0037] Fluazinam 2%

[0038] Nonylphenol ethoxylate (NP-9) (dispersion wetting agent) 8%

[0039] Propylene glycol (antifreeze) 1%

[0040] Xanthan gum (thickener) 1%

[0041] Silicone defoamer (SAG612) 2%

[0042] Water (filler) 77%

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Abstract

The invention discloses a biological-chemical synergism bactericide and relates to the technical field of sterilization of rice sheath blight disease. The biological-chemical synergism bactericide comprises the effective components: validamycin and fluazinam, wherein the validamycin accounts for 1-30% of the total mass of the bactericide; the fluazinam accounts for 1-40% of the total mass of the bactericide; an additive accounts for 2-25% of the total mass of the bactericide; a filler accounts for 5-96% of the total mass of the bactericide. The biological-chemical synergism bactericide retains the advantages of wide bactericidal spectrum of validamycin and fluazinam and excellent effect of preventing and treating the diseases; the defects can also be overcome; the purpose of pollution-free prevention and treatment on the crop diseases is achieved; the toxicity to other organisms is reduced; the residual of the chemical substance in the crops can be reduced; the bactericidal spectrum can be widened; the cost is reduced; the requirements on the application of low-toxicity and high-effect pesticides of crops such as rice in China can be met.

Description

technical field [0001] The invention relates to the technical field of sterilization of rice sheath blight. Background technique [0002] Rice sheath blight is an important disease of rice, with an annual incidence of over 100 million mu, which is a serious obstacle to high and stable rice yields in my country. The realization of pollution-free biological control of rice diseases is the development direction and goal of the field of agricultural plant protection. In recent years, although the state has explicitly prohibited the use of highly toxic pesticides on rice, it is still common to use highly toxic and high-residue pesticides in the actual agricultural production process due to the lack of highly effective disease control agents. Low-residue new pesticides are an inevitable development trend. [0003] Jingangmycin is a water-soluble antibiotic-glucoside compound produced by Streptomyces waterus var. Jinggang. There are 6 components in total, the main active substan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01P3/00A01N43/16
Inventor 钱忠金孙红军
Owner 钱忠金
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