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Synergistic herbicidal composition

A herbicidal composition and synergistic technology, applied in the field of synergistic herbicidal compositions, can solve the problems of reduced control efficiency of target plants, damage to crops, excessive herbicide dosage, etc., and delay the formation of weed resistance and persistence period Long-lasting and broad-spectrum weed control

Active Publication Date: 2021-11-23
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of a single herbicide cannot be completely effective in controlling weeds in crop fields. On the other hand, excessive or uneven application of herbicides may cause unacceptable toxicity to current crops or subsequent crops.
Metrafenazole is a highly effective pre-emergence herbicide, but its post-emergence activity is poor
In addition, the compatibility of pyraconazole with certain dicotyledonous crops such as cotton, sunflower and soybean, Brassica crops such as canola and rapeseed, and certain gramineous crops such as rice, wheat, rye and barley is not Not ideal as it not only damages the target plant but also damages the crop to an unacceptable degree
Although crop damage can in principle be mitigated by reducing application rates, control efficacy on target plants is commensurately reduced

Method used

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  • Synergistic herbicidal composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0111] Example 1: Suspension concentrate of 6% metazazone sulfone + 6% fenflumezone + 30% atrazine

[0112]

[0113] By grinding and / or high-speed shearing the active ingredient, dispersant, wetting agent and water according to the ratio of the formula, the preparation of 6% metazazone sulfone + 6% fenflumezone + 30% atrazine suspending agent.

Embodiment 2

[0114] Example 2 2% Metrafenazole + 10% Metrazone + 20% Atrazine WP

[0115]

[0116] By mixing the active components, various adjuvants and fillers according to the proportion of the formula, and then pulverizing the resulting mixture with a superfine grinder, the available formulation of 2% metazazone sulfone + 10% fenflumezone + 20% atrazine is prepared. Wet powder.

Embodiment 3

[0117] Example 3 Wettable powder of 8% metazazone sulfone + 4% fenflumezone + 40% atrazine

[0118]

[0119] By mixing the active components, various adjuvants and fillers according to the ratio of the formula, and then pulverizing the resulting mixture with a superfine grinder, the available formulation of 8% metazazone sulfone + 4% fenflumezone + 40% atrazine is prepared. Wet powder.

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Abstract

The invention provides a synergistic herbicidal composition, comprising pyroxasulfone, pyroxafen and atrazine as active components, wherein the weight ratio of pyroxasulfone, pyroxafen and atrazine is is 1 to 10:1 to 10:1 to 100, and the use of the synergistic herbicidal composition of the present invention in controlling undesirable plant growth. The present invention also provides a method for controlling undesirable plant growth, which comprises applying the active components of the synergistic herbicidal composition of the present invention to the undesirable plant growth. plants or the place where they grow. The present invention also provides methods of reducing or preventing damage caused by sulfenazole when applied to plants, seeds or other reproductive parts of useful crops.

Description

[0001] Cross-references to related applications [0002] This application claims priority from Australian Patent Application No. AU2016200564, filed on 29 January 2016, the contents of which are incorporated herein by reference in their entirety. Technical field [0003] The present invention relates to synergistic herbicidal compositions and methods of controlling undesirable plant growth. Background technique [0004] In crop farming, it is important to control weeds and protect crops that inhibit crop growth and reduce yields. In order to reduce losses caused by weeds during crop cultivation, such as poor growth or reduced crop yields, some herbicidal active ingredients that are effective in controlling weeds and are safe for crops have been developed. To date, a large number of herbicides have been developed and are registered and used to control certain weeds growing in crops. Herbicides used to control weeds in specific crop cultivation should have effective levels ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N41/10A01N43/80A01N31/08A01N43/647A01P13/00
CPCA01N43/80A01N43/70A01N25/32
Inventor 詹姆斯·蒂莫西·布里斯托
Owner JIANGSU ROTAM CHEM
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