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Composite herbicide containing tribenuron-methyl and lactofen-methyl and its application

The technology of a compound herbicide and lactoforin, which is applied in the field of pesticides, can solve the problems of single action site of tribenuron-methyl and the reduction of weed control effect, and achieve the delay of weed resistance, fast onset and quick effect Good results

Active Publication Date: 2018-04-06
INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the single site of action of tribenuron-methyl, with the prolongation of the use time, the problem of weed resistance generally occurs, and the control effect of tribenuron-methyl on weeds is greatly reduced. Therefore, it is urgent to develop a synergistic combination of tribenuron-methyl In order to improve the control effect on weeds, prolong the service life of this excellent herbicide, and ensure the safety of wheat production

Method used

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  • Composite herbicide containing tribenuron-methyl and lactofen-methyl and its application
  • Composite herbicide containing tribenuron-methyl and lactofen-methyl and its application
  • Composite herbicide containing tribenuron-methyl and lactofen-methyl and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1: 34% Tribesulfuron-Lactoforin Suspoemulsion

[0053] Raw materials and dosage: Tribesulfuron 2%, Lactofazone 32%, Isopropanol 15%, Calcium Dodecyl Benzene Sulfonate 4.5%, Lignosulfonate 2%, Xanthan Gum 0.5%, Isopropanol Amyl alcohol 0.5%, ethylene glycol 5%, sodium benzoate 0.5%, borax 0.5%, sodium hydroxide 0.024%, deionized water make up the balance.

[0054] Mix lignosulfonate, xanthan gum, isoamyl alcohol, ethylene glycol, sodium benzoate, borax, sodium hydroxide, and deionized water evenly through high-speed shearing, add tribenuron-methyl original drug, and ball mill in a ball mill for 2 ~ 3 hours, so that the particle size of all the particles is below 5 μm, and the average particle size is less than 3 μm, to prepare the trisulfuron-methyl suspension; mix the lactoforin original drug, isopropanol, and calcium dodecylbenzenesulfonate Afterwards, it was directly emulsified into the suspending agent with a high-speed stirrer to prepare a 34% tribenuron-la...

Embodiment 2

[0055] Example 2: 40% Tribesulfuron-Lactoforin Suspoemulsion

[0056] Raw materials and dosage: Tribesulfuron-methyl 4%, lactoforin 36%, chloroform 17%, calcium dodecylbenzenesulfonate 4%, alkylnaphthalenesulfonate formaldehyde condensate 2.5%, gelatin 0.5%, isopropanol 0.5% octanol, 5% propylene glycol, 0.5% sodium benzoate, 0.5% borax, 0.024% sodium hydroxide, and deionized water to make up the balance.

[0057] Mix alkylnaphthalene sulfonate formaldehyde condensate, gelatin, isooctyl alcohol, propylene glycol, sodium benzoate, borax, sodium hydroxide, and deionized water evenly through high-speed shearing, add tribenuron-methyl original drug, and ball mill in a ball mill for 2 ~ 3 hours, make the particle size of all the particles below 5 μm, and the average particle size is less than 3 μm, to prepare the trisulfuron-methyl suspension concentrate; Emulsify directly into the suspending agent with a high-speed mixer to prepare 40% tribenuron-lactofen suspoemulsion.

Embodiment 3

[0058] Example 3: 35% Tribesulfuron-Lactoforin Suspoemulsion

[0059] Raw materials and dosage: Tribesulfuron-methyl 7%, lactofen-methyl 28%, xylene 14%, octylphenol polyoxyethylene polyoxypropylene ether 4%, sodium dibutylnaphthalene sulfonate 3%, gum arabic 0.5% , lauric acid 0.5%, propylene glycol 5%, sodium salicylate 0.5%, borax 0.5%, sodium hydroxide 0.024%, deionized water to make up the balance.

[0060] Sodium dibutylnaphthalene sulfonate, gum arabic, lauric acid, propylene glycol, sodium salicylate, borax, sodium hydroxide, and deionized water were mixed evenly by high-speed shearing, added tribenuron-methyl original drug, and ball milled in a ball mill for 2 ~ 3 hours, so that the particle size of all the particles is below 5 μm, and the average particle size is less than 3 μm, to prepare a tribenuron-methyl suspension; mix the lactoforin technical product, xylene, octylphenol polyoxyethylene polyoxypropylene ether After homogenization, it is directly emulsified in...

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Abstract

The invention relates to a composite herbicide containing tribenuron-methyl and lactofen and an application of the composite herbicide. The herbicide adopts tribenuron-methyl and lactofen as main effective components, wherein a weight ratio of tribenuron-methyl to lactofen is 1:1-20. Tribenuron-methyl and lactofen after compounded have remarkable synergistic effect, and are good in fast-acting property and have low toxicity for human and livestock; besides, tribenuron-methyl and lactofen have different action mechanisms, so that herbicide resistance of weeds can be delayed, and the composite herbicide containing tribenuron-methyl and lactofen is an ideal herbicide.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a compound herbicide containing tribenuron-methyl and lactofen-methyl and its application in preventing and controlling agricultural weeds. Background technique [0002] Wheat is the third largest grain crop in my country after corn and rice, accounting for more than 20% of the country's total grain output. Therefore, ensuring continuous and high yields of wheat is of great significance for maintaining my country's grain self-sufficiency rate and ensuring national food security. However, wheat production faces numerous threats, among which weeds are one of the most important factors. According to reports, the area of ​​weed damage in my country's wheat fields accounts for more than 55% of the planting area, of which the severely damaged area accounts for 28%, and the yield loss reaches 15%. Hazards have become a must for wheat production. [0003] Weeds in wheat fields can be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N37/48A01P13/00
CPCA01N37/48A01N47/36A01N2300/00
Inventor 袁立兵浑之英耿亚玲王华杜鹏程
Owner INST OF PLANT PROTECTION HEBEI ACAD OF AGRI & FORESTRY SCI