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Bactericidal composition with effects of preventing and treating smut and application thereof

A kind of technology of smut and composition, which is applied in the field of fungicidal composition with the effect of preventing and treating smut

Inactive Publication Date: 2018-09-21
GUANGDONG PROVINCIAL BIOENGINEERING INST (GUANGZHOU SUGARCANE IND RES INST)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the above-mentioned pesticides are used for prevention and treatment, the incidence rate of corn smut is still above 18%.
[0005] Traditionally, 63% 75% wiltazol WP, 0.08-0.1% 20% triadimefon EC, double WP, 50% carbendazim WP, etc. are often used for the prevention and treatment of wheat smut. Chemical seed dressing method, but when the above-mentioned chemical control is used, the incidence of wheat smut is still above 15%.

Method used

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  • Bactericidal composition with effects of preventing and treating smut and application thereof
  • Bactericidal composition with effects of preventing and treating smut and application thereof
  • Bactericidal composition with effects of preventing and treating smut and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides a water-dispersible granule containing sclerotin, iprodione and hymexazol, which is prepared from the raw materials in the following table 1 in parts by weight:

[0031] The water dispersible granule containing sclerotin, iprodione and hymexazol of table 1 embodiment 1

[0032]

[0033]

[0034] The preparation method of the water-dispersible granule containing sclerotinia, iprodione and hymexazol of the present embodiment comprises the steps:

[0035] S1, weigh each component according to the raw material composition of the water-dispersible granules containing sclerotinia, iprodione and hymexazol in Table 1.

[0036] S2, after fully mixing the sclerotia, iprodione, hymexazol, dispersant, wetting agent, emulsifier, binder, disintegrating agent and filler in the stirring tank, use the jet mill to pulverize to obtain intermediate powder.

[0037] S3, adding water to the intermediate powder obtained in step S2, mixing uniformly, extruding ...

Embodiment 2

[0039] This embodiment provides a water-dispersible granule containing sclerotin, iprodione and hymexazol, which is prepared from the raw materials in the following table 2 in parts by weight:

[0040] The water dispersible granule containing sclerotinia, iprodione and hymexazol of table 2 embodiment 2

[0041]

[0042]

[0043] The preparation method of the water-dispersible granules containing sclerotinia, iprodione and hymexazol in this example is the same as that in Example 1.

Embodiment 3

[0045] This embodiment provides a wettable powder containing sclerotinia, iprodione and hymexazol, which is prepared from the raw materials in the following table 3 in parts by weight:

[0046] The wettable powder containing sclerotinia, iprodione and hymexazol of table 3 embodiment 3

[0047]

[0048]

[0049] The preparation method of the wettable powder containing sclerotinia, iprodione and hymexazol of the present embodiment comprises the steps:

[0050] S1, weigh each component according to the raw material composition of the wettable powder containing sclerotinia, iprodione and hymexazol in Table 1.

[0051] S2, fully mix sclerotium, iprodione, hymexazol, wetting agent, emulsifier, penetrating agent and filler in a stirring tank, and pulverize in a jet mill to obtain the product.

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PUM

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Abstract

The invention relates to a bactericidal composition with effects of preventing and treating smut and application thereof. The effective components of the bactericidal composition include dimethachlon,iprodione and hymexazol, wherein the weight ratio of dimethachlon to iprodione to hymexazol is (15-25):(1-8):(5-10). Compared with the prior art, the bactericidal composition provided by the invention has the advantages of effectively preventing and treating smut by compounding dimethachlon, iprodione and hymexazol in a specific proportion.

Description

technical field [0001] The invention relates to the field of prevention and control of agricultural diseases and insect pests, in particular to a fungicidal composition with the effect of preventing and treating smut and its application. Background technique [0002] Smut is an important disease of crops such as sugarcane, wheat, and corn, including head smut, loose smut, and hard smut. [0003] Among them, sugarcane smut is also known as sugarcane whip smut and powdery smut. The pathogen is sugarcane whip smut. The most obvious feature of the disease is that the tip of the diseased sugarcane has a black whip that rolls down, a few centimeters to Ranging from tens of centimeters, it is mainly spread through the hyphae present in the seedlings and the chlamydospores in the soil. Traditionally, the seedling disinfection method is used to prevent and control sugarcane smut. The seedlings with bacteria are soaked in hot water at 52°C, soaked with 500 times of 25% triadimefon we...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/80A01N37/32A01N25/14A01P3/00
CPCA01N25/14A01N37/32A01N43/80A01N47/38
Inventor 龚恒亮安玉兴孙东磊赵欢欢卢颖林陈立君付建涛戴思行
Owner GUANGDONG PROVINCIAL BIOENGINEERING INST (GUANGZHOU SUGARCANE IND RES INST)
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