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Weeding composition and application thereof

A technology of herbicide composition and herbicide, applied in the direction of application, herbicide, algicide, biocide, etc., can solve the problems of weeds prone to drug resistance, environmental pollution, narrowing of herbicide spectrum, etc., and achieve shortening Quick-effect period of weeding, good weeding effect, and the effect of reducing the amount of pesticides

Inactive Publication Date: 2016-11-23
LIER CROPSCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Herbicide varieties containing a single active component have defects in weed control to varying degrees, such as weeds are prone to resistance after continuous application, the herbicidal spectrum is narrowed, and environmental pollution is caused.

Method used

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  • Weeding composition and application thereof
  • Weeding composition and application thereof
  • Weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Example 1: 21% flazasulfuron·flupyroxyacetic acid wettable powder (20:1)

[0077]

[0078] Preparation method: According to the above formula, the active ingredients flazasulfuron, fluroxypyr, auxiliaries and fillers are mixed, mechanically pulverized, and then pulverized by airflow, and mixed uniformly to prepare the corresponding wettable powder pesticide.

Embodiment 2

[0088] Example 2: 12% flazasulfuron·flupyroxyacetic acid microemulsion (5:1)

[0089]

[0090] Preparation: Mix the original medicine, adjuvant and water into a homogeneous phase.

Embodiment 3

[0098] Example 3: 14% flazasulfuron · fluroxypyr oil suspension concentrate (1:1)

[0099]

[0100] Preparation method: According to the above formula, mix the active ingredients flazasulfuron, fluroxypyr, auxiliaries, and water, mix them evenly through high-speed shearing, and grind them with a sand mill for 2-3 hours to make their average particle size within Below 5 microns, the corresponding oil suspension pesticide can be made.

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PUM

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Abstract

The invention discloses a herbicidal composition and its application, and relates to the technical field of pesticide compounding. The active ingredients of the herbicidal composition include component A and component B; wherein A is azosulfuron-methyl or a salt thereof, and B is any one or more of a pyridine carboxylic acid herbicide or a salt thereof; The weight ratio of component A to component B is 20:1 to 1:300. The herbicidal composition of the present invention has four characteristics: 1. The composition can effectively reduce the application amount of each single agent, has fast effect, long duration of effect, and delays the resistance of plants; 2. The composition can be highly efficient It has a synergistic effect in controlling older broadleaf weeds, sedges and gramineous weeds with less than 7 leaves; 3. The composition can expand the herbicidal spectrum; 4. The composition is highly safe for lawns.

Description

Technical field [0001] The invention belongs to the technical field of pesticide compounding and relates to herbicidal compositions and their applications. Background technique [0002] With the rapid development of the economy, people have higher and higher requirements for urban greening, and the domestic lawn area is also constantly increasing. The prevention and control of weeds in lawns has become the biggest problem for lawn managers. At present, weeds in lawns are mostly removed manually, which requires high investment, low efficiency and poor results. Spraying safe and effective herbicides is an effective way to control lawn weeds. [0003] Flazasulfuron, the English name is flazasulfuron, the chemical name is 1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridinesulfonyl)urea, molecular weight is 407.32, and the chemical formula is C 13 H 12 F 3 N 5 O 5 S, its structure is shown in formula (I). The agent can be quickly absorbed by the stems, leaves ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/40
Inventor 李坚张春容韩萌
Owner LIER CROPSCIENCE CO LTD
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