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Wheat field weeding composition

A herbicide composition and wheat field technology, applied to herbicides, algicides, biocides, animal repellents, etc., can solve the problems of manufacturers' reputation, poor crop safety, and farmers' losses, and reduce social groups Sexual petition incidents, protection of interests, and the effect of improving safety

Active Publication Date: 2014-04-30
JIANGSU TIANRONG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although mefentrazone is a highly active herbicide, it has a fatal weakness. It is less safe to crops, and it is easy to cause phytotoxicity to crops, causing irreparable losses to farmers and seriously affecting the reputation of manufacturers.

Method used

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  • Wheat field weeding composition
  • Wheat field weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1. Wettable powder:

[0021] Mefentrazone original drug: 20 parts;

[0022] The safener pyraclofen-ethyl: 5 parts;

[0023] Dispersant; 6 parts;

[0024] Stabilizer: 4 parts;

[0025] Filler - Kaolin: make up to 100 parts.

[0026] 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% mefentrazone wettable powder.

Embodiment 2

[0027] Embodiment 2, water dispersible granules:

[0028] Mefentrazone original drug: 50 parts;

[0029] Safener pyraclofen-ethyl: 10 parts;

[0030] Dispersant: 4 parts;

[0031] Disintegrant: 3 parts;

[0032] Stabilizer: 3 parts

[0033] Binder: 1 part

[0034] Soluble starch: make up to 100 parts.

[0035] 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% mefentrazone water-dispersible granules.

Embodiment 3

[0036] Embodiment 3, emulsion in water:

[0037] Mefentrazone original drug: 10 parts;

[0038] Safener fenoxazole: 2 parts;

[0039] Co-solvent: 10 parts

[0040] Emulsifier: 5 parts

[0041] Stabilizer: 3 parts

[0042] Dispersant: 5 parts

[0043] Antifreeze: 2 parts

[0044] Thickener: 5 parts

[0045] Defoamer: 3 parts

[0046] Water: make up to 100 parts

[0047] 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% fentrazone emulsion in water.

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PUM

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Abstract

The invention discloses a wheat field weeding composition, which mainly comprises the active ingredients of carfentrazone-ethyl and weedicide safener at the weight ratio of 10:(0.1-10). According to the weeding composition with good safety, due to the addition of the weedicide safener, the safety of crops can be enhanced, and the occurrence of phytotoxicity accidents can be reduced to protect the benefits of farmers, thus reducing the occurrence of social groupment petitioning events.

Description

technical field [0001] The invention relates to a safety-improving herbicidal composition, which is compounded by fentrazone and a herbicide safener, and can be used for controlling various weeds in wheat fields, and effectively improves the safety of fentrazone herbicide on crops. The invention belongs to the field of herbicide manufacture. Background technique [0002] Fentrazone is also known as carfentrazone-ethyl, trifentrazone-ethyl, and carfentrazone-ethyl, and its English common name is: carfentrazone-ethyl. It is a contact-type selective herbicide. Under the condition of light, in the process of chlorophyll biosynthesis, it inhibits the accumulation of toxic intermediates by inhibiting protoporphyrinogen oxidase, thereby destroying the cell membrane of weeds and making the leaves rapidly Dry up and die. Mefentrazone is absorbed by plant leaves within 15 minutes after spraying, and it is not affected by rain. Weeds will show poisoning symptoms after 3-4 hours and d...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N25/32A01P13/00
Inventor 许网保虞国新
Owner JIANGSU TIANRONG GROUP
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