A synergistic herbicidal composition and the method of controlling the growth of undesired plants

A herbicidal composition and plant growth technology, applied in the field of synergistic herbicidal compositions, can solve the problems of reduced control efficiency of target plants, uneven application of drugs, damage to target plants, etc., so as to delay the formation of drug resistance of weeds and reduce the use of separate applications. Frequency, economical and ecologically beneficial effects

Active Publication Date: 2018-10-23
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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  • A synergistic herbicidal composition and the method of controlling the growth of undesired plants
  • A synergistic herbicidal composition and the method of controlling the growth of undesired plants
  • A synergistic herbicidal composition and the method of controlling the growth of undesired plants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] Example 1: Suspension concentrate of 60% metazazone sulfone + 6% thifensulfuron-methyl

[0106]

[0107] The active component, dispersant, wetting agent and water are uniformly ground and / or high-speed sheared and mixed according to the ratio of the formula to prepare a suspension concentrate of 60% metazazone sulfone + 6% thifensulfuron-methyl.

Embodiment 2

[0108] Example 2 Wettable powder of 2% metazazone sulfone + 10% thifensulfuron-methyl

[0109]

[0110] The wettable powder of 2% metazazone sulfone+10% thifensulfuron-methyl is prepared by mixing the active components, various adjuvants and fillers according to the ratio of the formula and then pulverizing the obtained mixture through an ultrafine pulverizer.

Embodiment 3

[0111] Example 3 Wettable powder of 2% metazazone-sulfone+50% thifensulfuron-methyl

[0112]

[0113] The wettable powder of 2% metazazone sulfone+50% thifensulfuron-methyl is prepared by mixing the active components, various auxiliary agents and fillers according to the ratio of the formula and then pulverizing the resulting mixture through an ultrafine pulverizer.

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PUM

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Abstract

The present invention provides a synergistic herbicidal composition comprising Pyroxasulfone and Thifensulfuron methyl as the active components, as well as the use of the synergistic herbicidal composition of present invention for controlling the growth of undesirable plants. The present invention also provides a method of controlling the growth of undesirable plants, which comprises applying theactive components Pyroxasulfone and Thifensulfuron methyl of the synergistic herbicidal composition of present invention to the undesirable plants or their growing locus jointly or separately. The present invention further provides a method of reducing or preventing harm caused by Pyroxasulfone 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. AU2016200567, 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] Crop yields can be reduced due to weed damage. To recover yield losses, large amounts of herbicides must be applied annually for weed control. In recent years, weeds have caused more and more serious damage to crops. In addition, the abuse of herbicides has increased weed resistance to pesticides, causing weed control effects to decrease year by year. [0005] The traditional approach to improving the herbicidal activity of existing herbicides and broadening the herbicidal spectrum is to mix two or more herbicidal substances with different herbicidal acti...

Claims

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Application Information

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IPC IPC(8): A01N41/10A01N41/06A01N43/10A01N43/66A01P13/00
CPCA01N43/80A01N47/36
Inventor 詹姆斯·蒂莫西·布里斯托
Owner JIANGSU ROTAM CHEM
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