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A fungicide composition containing kasugamycin and pyraclostrobin and its application

A fungicide composition, the technology of pyraclostrobin, applied in the field of pesticide mixing, can solve the problems of inability to effectively prevent the occurrence and development of resistant bacteria, poor control effect of resistant bacteria, and the development of resistance of bacteria, etc., to achieve Strong resistance to rain erosion, good spreadability, and improved prevention effect

Inactive Publication Date: 2011-12-14
吴元林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] At present, the above products on the market mainly exist in a single dose, and long-term single dose use has poor control effects on some resistant bacteria such as rice bacterial streak, bacterial blight, rice blast, etc., and cannot effectively prevent the emergence of resistant bacteria. occurrence and development
The main reason is that it is easy to make the bacteria resistant, followed by the high cost
Long-term use of a single agent has a single point of action, which is the main reason for resistance

Method used

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  • A fungicide composition containing kasugamycin and pyraclostrobin and its application
  • A fungicide composition containing kasugamycin and pyraclostrobin and its application
  • A fungicide composition containing kasugamycin and pyraclostrobin and its application

Examples

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Effect test

Embodiment 1

[0050] Embodiment 1: With the method of airflow pulverization, process solid original drug kasugamycin and azoxystrobin to more than 800-1000 mesh, then accurately weigh 25% kasugamycin, 15% pyraclostrobin, dispersant sub Sodium methyl dimethyl naphthalene sulfonate 8%, wetting agent sodium dodecylbenzene sulfonate 5%, stabilizer sodium benzoate 5%, disintegrant bentonite 5%, thickener carboxymethyl cellulose 3% , defoamer tributyl phosphate 1%, filler diatomaceous earth and appropriate amount of deionized water are added to 100%, fully mixed and stirred to form a plastic material, extruded granulated, dried, sieved and finally tested by various technologies After the index is qualified, it can be packaged into 40% kasugamycin pyraclostrobin water-dispersible granules.

Embodiment 2

[0051] Example 2: Process the solid original drug kasugamycin and pyraclostrobin to more than 325-800 mesh by means of jet crushing, then accurately weigh 25% kasugamycin, 10% pyraclostrobin, and dispersant Alkylnaphthalene formaldehyde condensate sulfonate 6%, wetting agent alkylnaphthalene sulfonate 4%, stabilizer sodium sorbate 4%, tackifier xanthan gum 0.8%, defoamer simethicone 1% deionized water is added to 100% for initial mixing, shearing, stirring, and dispersing. After being prepared into a slurry, it is ground for 1-2 hours by a horizontal sand mill to make the particle size below 5 microns, and has A flowable 35% kasugamycin pyraclostrobin liquid suspension preparation with a certain viscosity.

[0052]: Process the solid original drug kasugamycin and pyraclostrobin to more than 325-800 mesh by means of jet crushing, then accurately weigh 22% kasugamycin, 10% pyraclostrobin, and the dispersant polycarboxylate salt 6%, wetting agent alkylphenol polyoxyethylene ethe...

Embodiment 4

[0053] Example 4: Process the solid original drug kasugamycin and pyraclostrobin to more than 800-1000 mesh by means of jet crushing, then accurately weigh 15% kasugamycin, 15% pyraclostrobin, Dispersant Sodium Methylene Dimethyl Naphthalene Sulfonate 8%, Wetting Agent Sodium Dodecylbenzene Sulfonate 5%, Stabilizer Sodium Benzoate 5%, Disintegrant Bentonite 5%, Viscosifier Carboxymethyl Fiber Add 3% of cellulose, 1% of defoamer tributyl phosphate, filler diatomite and appropriate amount of deionized water to 100%, fully mix and stir to form a plastic material, extrude and granulate, dry, sieve and finally pass quality inspection After each technical index is qualified, it can be packaged into 30% kasugamycin pyraclostrobin water-dispersible granules.

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Abstract

The invention relates to a fungicide composition containing kasugamycin and pyraclostrobin and its application. It includes kasugamycin, pyraclostrobin, dispersants, wetting agents, thickeners, stabilizers, disintegrants, defoamers and fillers. The bactericidal composition is a pollution-free fungicide with high efficiency and low toxicity, increased bactericidal spectrum, low cost, environmental friendliness, and difficulty for plant pathogenic bacteria to develop drug resistance, and can be used for the prevention and treatment of rice bacterial streak disease, rice blast and other diseases.

Description

technical field [0001] The invention relates to a pesticide mixing technology, in particular to a compound preparation of antibiotic bactericide kasugamycin and pyraclostrobin and its application. technical background [0002] Kasugamycin [0003] 1. Chinese common name: Kasugamycin [0004] 3. English name: kasugamycin [0005] 4. Molecular formula: C 14 h 25 o 9 N 3 [0006] 5. Chemical name: 1L-1,3,4 / 2,5,6-deoxy-2,3,4,5,6-pentahydroxycyclohexyl-2-amino-2,3,4,6-tetra Deoxy-4-(a-iminoglycine)-a-D-arabinosylhexapyranoside [0007] Molecular weight: 379.4 [0008] CAS number; 6980-18-3 [0009] Chemical Class: Biological Source [0010] Main physical and chemical properties: The pure product is a colorless crystalline solid, melting point 202--204°C (decomposition), relative density 0.43 (25°C), solubility: water 125000, methanol 2.76, acetone, xylene <1. Very stable at room temperature, stable under weak acid conditions, but unstable under strong acid and alka...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/16A01P3/00
Inventor 吴元林
Owner 吴元林
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