A kind of herbicidal composition

A herbicidal composition and compound technology, applied in the directions of herbicides, algicides, biocides, plant protection, etc., to achieve the effects of reducing phytotoxicity and reducing the application amount

Active Publication Date: 2019-03-08
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some problems in the application of sulfonylurea herbicides, the most prominent of which are the residual phytotoxicity and the resistance of weeds to sulfonylurea herbicides

Method used

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  • A kind of herbicidal composition
  • A kind of herbicidal composition
  • A kind of herbicidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0108] Example 1: 6% promethazone-methyl+54% indicazone suspending agent

[0109] Promethazone-methyl 6%

[0110] Indidone 54%

[0111] Naphthalenesulfonic acid formaldehyde condensate sodium salt 10%

[0112] Sorbitan Fatty Acid Ester 5%

[0113] Bentonite 1%

[0114] Glycerol 5%

[0115] Make up to 100% with water

[0116] Mix the active components, dispersant, wetting agent, water and other components according to the proportion of the formula, and grind and / or high-speed shear to obtain 6% promasulfuron-methyl + 54% indicazone suspension concentrate.

Embodiment 2

[0117] Example 2 40% promasulfuron-methyl+40% indicazone wettable powder

[0118] Promasulfuron-methyl 40%

[0119] Indidone 40%

[0120] Sodium butylnaphthalene sulfonate 5%

[0121] Sodium polyoxyethylene lauryl ether carboxylate 5%

[0122] Silica 5%

[0123] Kaolin supplemented to 100%

[0124] The active components, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, 40% promethazone-methyl + 40% indicazone wettable powder can be obtained.

Embodiment 3

[0125] Example 3 20% promethazone-methyl+60% indicazone wettable powder

[0126] Promasulfuron-methyl 20%

[0127] Indidone 60%

[0128] Glycerin fatty acid polyoxyethylene ether 1%

[0129] Sodium lignosulfonate 2%

[0130] Silica topped up to 100%

[0131] The active components, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, 20% promethazone-methyl + 60% indicazone wettable powder can be obtained.

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PUM

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Abstract

The invention relates to an herbicidal composition. The invention also relates to a method for controlling undesired plants. The herbicidal composition comprises compounds (A) and (B) as active ingredients. The compound (A) is shown in the formula (I) and the compound (B) is shown in the formula (II). A weight ratio of the active ingredient (A) to (B) is 50: 1 to 1: 50.

Description

Technical field [0001] The present invention relates to a herbicidal composition. The invention also relates to a method of controlling undesirable vegetation. Background technique [0002] There are many types of weeds in rice fields, and weeding in rice fields is a major problem in production. Chemical weeding is the main means of controlling weeds. However, in recent years, due to the large-scale use of some herbicide varieties alone, many weeds have developed resistance. At the same time, the grass phase when weeds occur is complex. Graminous weeds, broadleaf weeds, and sedges are mixed. The use of a single herbicide cannot solve weeds in farmland, and they will all show certain defects and limitation. [0003] Propyrisulfuron is a pyrimidinyl sulfonylurea herbicide developed by Sumitomo Chemical of Japan. It is mainly used to control grass and broadleaf weeds such as barnyard grass in rice fields. This product has a low dosage and is very effective in controlling w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01P13/00A01G13/00A01N43/20
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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