Paddy herbicide composition

A herbicide composition and paddy field technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of manufacturers' reputation, poor crop safety, phytotoxicity accidents, etc., and achieve protection interests As well as the effects of crops, safety improvement, and reduction of chemical accidents

Active Publication Date: 2015-11-11
JIANGSU TIANRONG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, bispyribac has a fatal weakness. It is less safe to crops and more sensitive to some rice varieties. At present, it is only recommended to be used on indica rice varieties. There will be phytotoxicity accidents, which will cause irreparable losses to farmers and seriously affect the reputation of manufacturers.

Method used

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  • Paddy herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1. Wettable powder:

[0018] Bispyribac technical: 20 parts;

[0019] The safener pyraclofen-ethyl: 5 parts;

[0020] Dispersant; 6 parts;

[0021] Stabilizer: 4 parts;

[0022] Filler - Kaolin: make up to 100 parts.

[0023] The above herbicide active ingredient, safener and pesticide adjuvant were processed according to the conventional processing method of pesticide wettable powder to obtain 100 kg of 20% bispyribac wettable powder.

Embodiment 2

[0024] Embodiment 2, water dispersible granules:

[0025] Bispyribac technical: 50 parts;

[0026] Safener pyraclofen-ethyl: 10 parts;

[0027] Dispersant: 4 parts;

[0028] Disintegrant: 3 parts;

[0029] Stabilizer: 3 parts

[0030] Binder: 1 part

[0031] Soluble starch: make up to 100 parts.

[0032] The above herbicide active ingredients, safeners and various pesticide adjuvants were processed according to the conventional processing method of pesticide water-dispersible granules to obtain 100 kg of 50% bispyribac-based water-dispersible granules.

Embodiment 3

[0033] Embodiment 3, emulsion in water:

[0034] Bispyribac technical: 10 parts;

[0035] Safener fenoxazole: 2 parts;

[0036] Co-solvent: 10 parts

[0037] Emulsifier: 5 parts

[0038] Stabilizer: 3 parts

[0039] Dispersant: 5 parts

[0040] Antifreeze: 2 parts

[0041] Thickener: 5 parts

[0042] Defoamer: 3 parts

[0043] Water: make up to 100 parts

[0044] The above herbicide active ingredients, safeners and various pesticide adjuvants were processed according to the conventional processing method of pesticide water emulsion to obtain 100 kg of 10% bispyribac ether emulsion in water.

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Abstract

The invention discloses a paddy field weeding composition, which mainly comprises an active ingredient bispyribac-sodium and herbicide safener at the weight ratio of 10:(0.1-100). The paddy field weeding composition can be used for preventing and weeding various weeds in a paddy field, and the safety of the bispyribac-sodium herbicide on crops can be effectively enhanced.

Description

technical field [0001] The invention relates to a herbicidal composition with good safety. Because of the addition of herbicide safener, the safety of crops is improved, the occurrence of chemical injury accidents is reduced, and the interests of farmers are protected, thereby reducing social group appeals. event generation. The invention belongs to the field of herbicide manufacture. Background technique [0002] Bispyribac-sodium, also known as bispyribac-sodium, its English common name is: bispyribac-sodium. It is a rice field herbicide, which has special effects on barnyardgrass and paspalum (red mix root grass, crossing dragon), and can be used to control older barnyard grass and barnyard grass resistant to other herbicides. [0003] The original drug of bispyribac has low toxicity. Rat acute oral LD50>5000 mg / kg, acute percutaneous LD50>2000 mg / kg. The acute oral LD50 of preparation rats is 5840 mg / kg for females, 4300 mg / kg for males, and the acute percutane...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N25/32A01P13/00
Inventor 许网保虞国新
Owner JIANGSU TIANRONG GROUP
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