Herbicide composition

A composition and herbicide technology, applied in the direction of herbicides, algicides, biocides, biocides, etc., to achieve the effects of reasonable components, good crop safety, and reduced application times

Active Publication Date: 2010-02-10
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the defective of existing single preparation, technical scheme of the present invention solves like this:

Method used

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  • Herbicide composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Weigh 2% nicosulfuron, 50% atrazine, 5% mesotrione, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkylnaphthalene sulfonate) salt formaldehyde condensate), 3% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium dodecyl sulfate), 3% white carbon black, 5% ammonium sulfate, diatom Soil is added to 100% by weight. 57% nicosulfuron·atrazine·mesotrione water dispersible granules were prepared by the conventional method for preparing water dispersible granules from the above raw materials, ie mixing, ultrafine airflow pulverization, mixing and granulation.

[0018] In this embodiment, the weight ratio of nicosulfuron, atrazine and mesotrione can be changed between 1~50:1~80:1~50, and the total weight composition of the two is still 57%, forming a new the embodiment.

Embodiment 2

[0020] Weigh 2.5% nicosulfuron, 60% atrazine, 6.5% mesotrione, 5% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 3% diffusing agent NNO (alkylnaphthalene sulfonate) salt formaldehyde condensate), 4% pull open powder BX (sodium dibutyl naphthalene sulfonate), 4% K-12 (sodium dodecyl sulfate), 3% white carbon black, 5% ammonium sulfate, diatom Soil is added to 100% by weight. 69% nicosulfuron·atrazine·mesotrione water dispersible granules were prepared by the conventional method for preparing water dispersible granules from the above raw materials, ie mixing, ultrafine airflow pulverization, mixing and granulation.

[0021] In this embodiment, the weight ratio of nicosulfuron, atrazine and mesotrione can be changed between 1~50:1~80:1~50, and the total weight composition of the two is still 69%, forming a new the embodiment.

Embodiment 3

[0023] Weigh 20% nicosulfuron, 20% atrazine, 10% mesotrione, 5% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkylnaphthalene sulfonate) salt formaldehyde condensate), 2% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium dodecyl sulfate), 3% white carbon black, 5% ammonium sulfate, diatom Soil is added to 100% by weight. 50% nicosulfuron·atrazine·mesotrione water dispersible granules are prepared by the conventional method of preparing water dispersible granules from the above raw materials, ie mixing, ultrafine airflow pulverization, mixing and granulation.

[0024] In this embodiment, the weight ratio of nicosulfuron, atrazine and mesotrione can be changed between 1~50:1~80:1~50, and the total weight composition of the two is still 50%, forming a new the embodiment.

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Abstract

The invention relates to a herbicide composition for preventing and removing farmland weed and an application, in particular to a herbicide used for preventing gramineous weed and broadleaf weed in cornfields, which is a ternary herbicide mixed agent taking nicosulfuron, artrex and sodium sulcotrione as active components. In the composition, the weight ratio of the nicosulfuron to the artrex to the sodium sulcotrione is 1-50:1-80:1-50, preferably 1-10:1-50:1-20. The invention has reasonable components, better preventing effect in comparison with the activity of each component when being applied independently and synergistic action, expands the preventing spectra of the weed, reduces the application frequency, lowers the preventing cost, delays the generation of the resistibility of the weed, has good safety to crops and conforms to the safety requirement of pesticide preparations. The invention has the fresh-weight average preventing effect of 86.19-96.37% to the gramineous weed and the broadleaf weed in the cornfields.

Description

technical field [0001] The present invention relates to a herbicide composition, in particular to a herbicide composition for controlling grassy weeds and broad-leaved weeds in corn fields, which consists of nicosulfuron, atrazine and mesotrione A ternary herbicide composition composed of active ingredients. Background technique [0002] Nicosulfuron English common name nicosulfuron, other Chinese names Yu Nongle, Nicosulfuron, molecular formula C 15 h 18 N 6 o 6 S. Nicosulfuron is a sulfonylurea herbicide for corn fields. It can effectively control a variety of annual grass weeds, broadleaf weeds and sedge weeds in corn fields when applied after emergence at low doses. It is rapidly absorbed by leaves and roots, and rapidly transported through xylem and phloem. Synthesis of branched-chain amino acids is blocked by acetolactate synthase. Weeds stop growing immediately after application, and the new leaves fade and die within 4-5 days, and gradually spread to the whole...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/70A01N41/10A01P13/00
Inventor 郑敬敏何爱华冯建雄时晓磊张武张崇斌孙瑞赵海军梅红玉乌小瑜段莹苏蓓
Owner SHAANXI SUNGER ROAD BIO SCI
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