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Compound weeding composition and compound herbicide

A herbicidal composition and herbicide technology are applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., which can solve the problems of easily producing resistant weeds, shorten the onset time, and promote plant growth. Growth, easy-to-use effects

Active Publication Date: 2022-07-29
ZHEJIANG XINAN CHEM INDAL GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problem that the glufosinate-ammonium medicament in the prior art is still prone to produce resistant weeds, the present invention provides a compound herbicidal composition, which not only helps to reduce the amount of glufosinate-ammonium, reduces environmental pressure, but also kills weeds good effect

Method used

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  • Compound weeding composition and compound herbicide
  • Compound weeding composition and compound herbicide
  • Compound weeding composition and compound herbicide

Examples

Experimental program
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Effect test

Embodiment 1

[0031] The glufosinate-ammonium essence is mixed with 2,4-drop sodium salt and diphenylurea in proportion to make the active ingredient glufosinate-ammonium (according to C 5 H 15 N 2 O 4 P, CAS No. 77182-82-2, molecular weight is 198): 2,4-D sodium salt (according to C 8 H 5 Cl 2 NaO 3 , CAS No. 2702-72-9, molecular weight is 243.02): diphenylurea (according to C 13 H 12 N 2 O, CAS No. 102-07-8, molecular weight of 212.25) is 80:0:0, 80:0:0.05, 80:0:0.1, 80:0:0.2, 80:0:0.4, 80:0 :0.8, 80:0:1.6, 80:0:3.2, 80:0:6.4, 80:20:0, 80:20:0.05, 80:20:0.1, 80:20:0.2, 80:20: 0.4, 80:20:0.8, 80:20:1.6, 80:20:3.2, 80:20:6.4, etc. 18 kinds of herbicidal compositions with active ingredient content were respectively configured as glufosinate-ammonium essence with a mass concentration of 50%. Solvent granules (additives are all 5%, and the active ingredients are all alkyl glycosides), the mass concentration of glufosinate-ammonium is 40g / mu, and the spray volume is 40L / mu to control ...

Embodiment 2

[0040] Mix the essence glufosinate-ammonium sodium salt with dimethyltetrachlorodimethylamine salt and N,N-dimethyl-N,N-diphenylurea in proportion to make the active ingredient glufosinate-ammonium (according to C 5 H 15 N 2 O 4 P, CAS No. 77182-82-2, molecular weight is 198): dimethyltetrachlorodimethylamine salt (according to C 11 H 16 ClNO 3 , CAS No. 2039-46-5, molecular weight is 245.70) and N,N-dimethyl-N,N-diphenylurea (according to C 15 H 16 N 2 O, CAS No. 611-92-7, molecular weight 240.3) is 60:0:0, 60:0:0.05, 60:0:0.1, 60:0:0.2, 60:0:0.4, 60:0: 0.8, 60:0:1.6, 60:0:3.2, 60:0:6.4, 60:20:0, 60:20:0.05, 60:20:0.1, 60:20:0.2, 60:20:0.4 , 60:20:0.8, 60:20:1.6, 60:20:3.2, 60:20:6.4, etc. 18 kinds of herbicidal compositions with active ingredient content were respectively configured into a solution with a mass concentration of glufosinate-ammonium essence of 21% (The dosage of additives is 12%, and the active ingredients are all lauryl trimethyl ammonium chloride), ...

Embodiment 3

[0049] The essence glufosinate-ammonium is mixed with dimethyltetrachlorodimethylamine salt and diphenylurea in proportion to make the active ingredient glufosinate-ammonium (according to C 5 H 15 N 2 O 4 P, CAS No. 77182-82-2, molecular weight is 198): dimethyltetrachlorodimethylamine salt (according to C 11 H 16 ClNO 3 , CAS No. 2039-46-5, molecular weight is 245.70): diphenylurea (according to C 13 H 12 N 2 O, CAS No. 102-07-8, molecular weight is 212.25, the mass ratio is 60:20:0, 60:20:0.05, 60:20:0.1, 60:20:0.2, 60:20:0.4, 60 : 20:0.8, 60:20:1.6, 60:20:3.2, 60:20:6.4, etc. 9 kinds of herbicidal compositions with active ingredient contents were respectively configured as soluble agents with a mass concentration of glufosinate-ammonium of 21% ( The additive dosage is 12%, and the active ingredients are dodecyl trimethyl ammonium chloride), according to the quality concentration of glufosinate ammonium 40g / mu, spray volume 40L / mu to control wasteland weeds, set 4 T...

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Abstract

The invention belongs to the technical field of herbicides, and particularly relates to a compound weeding composition and a compound herbicide, the compound weeding composition comprises a weeding active component A and an auxin analogue; the herbicidal active component A is refined glufosinate-ammonium or a herbicidal active derivative thereof; the auxin analogue is diphenylurea or a derivative thereof, and comprises but is not limited to N, N-dimethyl-N, N-diphenylurea and 3, 4, 4 '-trichloro-sym-diphenylurea. According to the invention, the diphenylurea is matched with the refined glufosinate-ammonium for use under the physiological and biochemical action of a similar auxin mechanism in a plant body, so that the biological activity of the herbicide for killing weeds is improved, the weeding effect is maintained or increased, the unit dosage of the refined glufosinate-ammonium is reduced, and the resistance of the weeds to the refined glufosinate-ammonium is slowed down. In addition, compound herbicides of different dosage forms can be prepared by adopting the compound weeding composition and the auxiliaries, and the application is flexible and wide.

Description

technical field [0001] The invention belongs to the technical field of herbicides, and in particular relates to a compound herbicidal composition and a compound herbicide. Background technique [0002] L-Glufosinate-ammonium, also known as glufosinate-ammonium, was originally found from the active metabolite of biopesticide herbicide bialaphos in plants. Its herbicidal activity is twice that of ordinary glufosinate-ammonium, and the application amount per mu is only glufosinate-ammonium. 50% of the phosphine, and the application cost is basically the same. In 2006, a Japanese company successfully developed a single isomer of glufosinate-ammonium. [0003] Glufosinate-ammonium is a biocidal contact-killing herbicide for the treatment of weed stems and leaves. It has very good water solubility, stable structure and certain systemic effect. It is limited to the transfer from the base of the leaves to the top of the leaves. Amide synthase is the target enzyme. By inhibiting the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/20A01N47/30A01N39/04A01P13/00A01P21/00
CPCA01N57/20A01N47/30A01N39/04
Inventor 秦龙钱志刚熊辉黄海燕徐亚卿沈兰兰马恒博王清尚倩詹琳琳秦添亮陈静
Owner ZHEJIANG XINAN CHEM INDAL GROUP
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