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Weeding composition

A herbicidal composition and a technology for the composition are applied in the field of herbicidal compositions in corn fields, and can solve the problems of unsatisfactory broad-leaved weed control effect and the like

Inactive Publication Date: 2016-11-23
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In actual use, fenfensulfone has a good control effect on some broad-leaved weeds and grass weeds, but it is ineffective on some stubborn broad-leaved weeds; while thifensulfuron is effective on most of the corn field Annual and perennial weeds have good control effects, but the control effect on some broad-leaved weeds is not ideal, and the resistance of corn field weeds to thifensulfuron-methyl has gradually increased

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Example 1: Wettable powder

[0077] Carfentrazone 10% Thifensulfuron 20% Sodium Butyl Naphthalene Sulfonate 3% Sodium methylene dinaphthalene sulfonate 3% White carbon black 20% Kaolin margin

[0078] The above formula is coarsely pulverized according to the proportion and then enters into a mixer to mix uniformly, and then is pulverized by airflow to obtain a wettable powder of the herbicidal composition.

Embodiment 2

[0079] Example 2: Suspending agent

[0080] Carfentrazone 5% Thifensulfuron 50% Ethoxylated castor oil 5% N-methylpyrrolidone 5% Sodium p-Methoxy Fatty Amidobenzene Sulfonate 8% Alkylphenol polyoxyethylene ether formaldehyde condensate sulfate 4% Magnesium Aluminum Silicate 1% Bentonite 1% Silicone 0.1% Glycerol 5% Soybean oil margin

[0081] The carfentrazone was dissolved in N-methylpyrrolidone, and sodium p-methoxy fatty acid amide benzene sulfonate was added to obtain the oil phase; according to the formula, thifensulfuron, sodium p-methoxy fatty acid amide benzene sulfonate, sodium benzene sulfonate After grinding and / or high-speed shearing of base phenol polyoxyethylene ether formaldehyde condensate sulfate and soybean oil, the oil suspension agent of thifensulfuron-methyl is obtained; the oil phase is added to the suspension phase under stirring to obtain the suspension agent.

Embodiment 3

[0082] Example 3: Water dispersible granules

[0083] Carfentrazone 40% Thifensulfuron 40% Sodium dodecyl sulfate 3% Polycarboxylate 3% Ammonium Sulfate 4% Polyethylene glycol 2% Kaolin margin

[0084] The above formula is dry pulverized, granulated, dried and sieved in proportion to prepare water dispersible granules of the herbicidal composition.

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Abstract

The invention relates to a weeding composition, in particular to a weeding composition of binary formulation and applicable to corn fields. The invention provides the weeding composition, including topramezone and thifensulfuron-methyl having a weight ratio of 50:1 to 1:50, preferably 15:1 to 1:2. The weeding composition is useful in preventing and treating corn field broad-leaved weeds and gramineous weeds, particularly Solanum nigrum, Xanthium sibiricum, Echinochloa crusgalli and Eriochloa villosa.

Description

technical field [0001] The invention relates to a herbicidal composition, in particular to a binary compound herbicidal composition applied to corn fields. Background technique [0002] In crop farming, it is important to control weeds and protect crops that inhibit crop growth and result in lower yields. In order to reduce losses due to weeds in crop cultivation, such as poor growth or reduced crop yield, some herbicidal active ingredients that are effective in controlling the weeds and are safe to crops have been developed. To date, a large number of herbicides have been developed that have been registered and used to control weeds in certain crops. Herbicides for controlling weeds in specific crop cultivation should have sufficiently high herbicidal activity and broad herbicidal spectrum, and should be sufficiently safe for the environment and crops. However, not all herbicides can fully meet the above requirements. [0003] The most commonly used method for increasing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/80
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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