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A kind of herbicidal composition containing rimsulfuron-methyl and oxentrazone

A herbicidal composition, the technology of fenflumezone, applied in the field of pesticides, can solve the problems of poor grass and sedge weeds, poor control effect on broad-leaved weeds, unfavorable promotion and use, etc., to achieve good control effect, Reduced dosage, good crop safety effect

Inactive Publication Date: 2011-12-14
HEFEI XINGYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a high cost of single use, which is not conducive to large-scale promotion and use
[0007] In actual use, rimsulfuron-methyl can control most broad-leaved weeds, but the effect on grasses and sedges is poor; oxatrazone is better on annual grasses and sedges control effect, but poor control effect on some broad-leaved weeds

Method used

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  • A kind of herbicidal composition containing rimsulfuron-methyl and oxentrazone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The weight ratio of each component of 6.3% sulfasulfuron-oxazone oil suspension concentrate:

[0018] Amosulfuron-methyl 0.3%

[0019] Mefentrazone 6%

[0020] Silica 5%

[0021] Farm Milk 0425 8%

[0022] Farm milk 0408 8%

[0023] Oleic acid oil makes up 100%

[0024] Preparation method: After mixing all the materials, use wet pulverization to make the average particle size below 5 μm to obtain oil suspension.

Embodiment 2

[0026] The weight ratio of each component of 12% rimsulfuron-oxazone oil suspension concentrate:

[0027] Amosulfuron-methyl 9%

[0028] Mefentrazone 3%

[0029] Silica 5%

[0030] Farm Milk 0408 10%

[0031] Oleic acid oil makes up 100%

[0032] Preparation method: After mixing all the materials, use wet pulverization to make the average particle size below 5 μm to obtain oil suspension.

[0033]

Embodiment 3

[0035] The weight ratio of each component of 20% rimsulfuron-oxazone wettable powder:

[0036] Amosulfuron-methyl 15%

[0037] Mefentrazone 5%

[0038] Methylcellulose 8%

[0039] Sodium Lauryl Sulfate 5%

[0040] Kaolin makes up 100%

[0041] Preparation method: Add each material into the reaction kettle at one time, make it fully mixed under stirring conditions, and crush to a certain fineness.

[0042]

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Abstract

The invention discloses a herbicidal composition containing rimsulfuron-methyl and oxafluzone, which contains active components rimsulfuron-methyl and oxaflumezone in a mass ratio of 1:50-60:1. The control effect of the herbicidal composition of the present invention is higher than that of the components rimsulfuron-methyl and oxaflumezone when applied alone, has obvious synergistic effect, greatly reduces the dosage of active ingredients, and is safe for crops. At the same time, the herbicidal spectrum has been expanded, and it has a good control effect on grass weeds and broad-leaved weeds such as crabgrass, goosegrass, foxtail, and lily in corn fields.

Description

[0001] technical field [0002] The invention relates to a herbicide for controlling weeds in corn fields, in particular to a herbicidal composition containing rimsulfuron-methyl and oxaflumezone, and belongs to the technical field of pesticides. [0003] Background technique [0004] In recent years, China's corn planting area has increased by an average of 2% annually. In 2010, the national corn planting area was about 30 million hectares, which is the second largest crop after rice. How to use new high-efficiency and environmentally friendly pesticides to control weed damage in corn fields is a major challenge faced by the plant protection community. [0005] Amidosulfuron, also known as Allstar, Hoestar, Hoe0750032, English name Amidosulfuron, chemical name 1-(4,6-dimethoxy-2-pyrimidinyl)-3-(N-methylsulfonamidesulfonyl )-urea. It is a sulfonylurea high-efficiency herbicide. Weeds absorb through stems and leaves to inhibit some cell division, and the plants stop growin...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/80A01P13/00
Inventor 鲍恩付王传品
Owner HEFEI XINGYU CHEM
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