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Biocontrol bacterium and pyraclostrobin composition

A technology for pyraclostrobin and biocontrol bacteria, which is applied in the directions of biocides, chemicals for biological control, biocides, etc., and can solve the problem of high production cost of target biological resistance, difficulty in producing resistance and long-lasting effect. In order to reduce the risk of phytotoxicity and drug resistance, reduce the cost of drug use, and expand the scope of prevention and treatment

Inactive Publication Date: 2015-05-27
CHINA NAT RICE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As a biological pesticide, Bacillus subtilis has the advantages of being environmentally friendly, low production cost, not easy to produce resistance and long-lasting effect, but it also has the disadvantages of slow effect and high requirements on environmental conditions
Pyraclostrobin has the advantages of high efficiency and quick effect, but there are many defects such as the risk of target organisms developing drug resistance and high production costs.

Method used

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  • Biocontrol bacterium and pyraclostrobin composition
  • Biocontrol bacterium and pyraclostrobin composition
  • Biocontrol bacterium and pyraclostrobin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Efficacy Example 1 Control effect of the composition of pyraclostrobin and Bacillus subtilis on rice sheath blight

[0021] The test summary and results are shown in the table below:

[0022]

[0023] It can be seen from the test results that under the condition that the active ingredients are almost the same, the composition of Bacillus subtilis and pyraclostrobin greatly improves the control effect, and the control effect is much higher than that of Bacillus subtilis and pyraclostrobin. A single-dose treatment shows that the combination of the two has a synergistic effect.

Embodiment 2

[0024] Efficacy Example 2 Control effect of the combination of pyraclostrobin and Bacillus subtilis on wheat head blight

[0025] The test summary and results are shown in the table below:

[0026]

[0027] It can be seen from the test results that under the condition that the active ingredients are almost the same, the control effect of the combination of Bacillus subtilis and pyraclostrobin is much higher than that of the two single-dose treatments of Bacillus subtilis and pyraclostrobin, indicating that The combination of the two can greatly improve the control effect on wheat scab, indicating that the combination of the two has a synergistic effect.

Embodiment 3

[0028] Efficacy Example 3 Control effect of the composition of pyraclostrobin and Bacillus subtilis on Sclerotinia sclerotiorum

[0029] The test summary and results are shown in the table below:

[0030]

[0031] It can be seen from the test results that under the condition that the active ingredients are almost the same, the control effect of the combination of Bacillus subtilis and pyraclostrobin is much higher than that of the two single-dose treatments of Bacillus subtilis and pyraclostrobin, indicating that The combination of the two can greatly improve the control effect on Sclerotinia sclerotiorum, indicating that the combination of the two has a synergistic effect.

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Abstract

The invention discloses a biocontrol bacterium and pyraclostrobin composition belonging to the technical field of bactericides. The biocontrol bacterium and pyraclostrobin composition contains active components including bacillus subtilis and pyraclostrobin. The biocontrol bacterium and pyraclostrobin composition disclosed by the invention can be used for remarkably reducing the medication cost while effectively preventing and controlling various diseases such as rice sheath blight disease, rice false smut, rice blast, ear rot, seedling-stage damping-off, tomato late blight, gray mold, wheat powdery mildew, sheath blight, cotton rhizoctoniosis, foxysporum, verticillium dahliae, soybean root rot, corn sheath blight, cucumber gray mold, blight, tobacco brown spot, bacterial wilt, various field crop and garden crop root rots and damping off, so that the medication cost can be reduced, the preventing and controlling ranges can be widened, the environment pollution can be reduced, and the phytotoxicity and pesticide resistance risks can be reduced.

Description

technical field [0001] The invention belongs to the technical field of fungicides, and in particular relates to a composition of biocontrol bacteria and pyraclostrobin. Background technique [0002] Bacillus subtilis ( Bscillussubiilis ) is the genus Bacillus ( Bacillus ), which is widely distributed in the natural environment and is often used in industrial and agricultural fields as a beneficial microorganism. In the field of plant protection, the fungus is mainly used to fight against a variety of pathogenic fungi of the genera Fusarium, Aspergillus, Alternaria and Rhizoctonia through competition, lysis, secretion of antibiotic substances, induction of resistance, and promotion of host growth. All have biological defense effect. For rice sheath blight, rice smut, rice blast, seedling blight, tomato late blight, tomato gray mold, wheat powdery mildew, wheat sheath blight, cotton sot blight, cotton fusarium wilt, cotton verticillium wilt , Soybean root rot, corn sheath...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01P3/00A01N47/24
Inventor 黄世文刘连盟王玲汪爱娟
Owner CHINA NAT RICE RES INST
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