Synergistic weeding composition

A herbicidal composition and a technology for the composition are applied in the directions of herbicides, algaecides, biocides, animal repellants, etc., which can solve the safety limit of herbicides, cannot completely and effectively control weeds in crop fields, and eliminate weeds. Problems such as excessive dosage

Inactive Publication Date: 2017-01-04
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] At present, herbicides are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in crop fields. On the other hand, the amount of herbicide is too large or the application is uneven. Also prone to unacceptable toxicity to current or subsequent crops
Mecitrione is a soil treatment-based herbicide for soybeans and other crops, but the safety of sensitive crops such as soybeans is not always satisfactory
And azimidone is not effective against perennial weeds
Pyroclofensulfone is a hig

Method used

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  • Synergistic weeding composition
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  • Synergistic weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107] Embodiment 1: 60% pyroxasulfone + 6% mecitrione suspension concentrate

[0108] Pyroxasulfone 60%

[0109] Mecitrione 6%

[0110] Sodium methylnaphthalenesulfonate formaldehyde condensate 10%

[0111] Bentonite 1%

[0112] Glycerol 5%

[0113] Water to make up to 100%

[0114] Mix the active components, dispersant, wetting agent and water according to the proportion of the formula, and grind and / or high-speed shear to obtain 60% pyroxasulfone + 6% metrizone suspension concentrate .

Embodiment 2

[0115] Example 2 2% pyroxasulfone + 10% mecitrione wettable powder

[0116] pyroxasulfone 2%

[0117] Mecitrione 10%

[0118] Sodium Lauryl Sulfate 10%

[0119] Sodium lignosulfonate 5%

[0120] Silica 10%

[0121] Kaolin supplemented to 100%

[0122] The active ingredients, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by a superfine grinder, 2% pyroxasulfone + 10% mecitrione wettable powder can be obtained.

Embodiment 3

[0123] Example 3 2% pyroxasulfone + 50% mecitrione wettable powder

[0124] pyroxasulfone 2%

[0125] Mecitrione 50%

[0126] Calcium dodecylbenzenesulfonate 1%

[0127] Sodium lignosulfonate 2%

[0128] Silica make up to 100%

[0129] The active ingredients, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, 2% pyroxasulfone + 50% metrizone wettable powder can be obtained.

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Abstract

The invention provides a synergistic weeding composition which comprises active ingredients pyroxasulfone and metribuzin. The weight ratio of pyroxasulfone to metribuzin is (100:1)-(1:100). The synergistic weeding composition is used for preventing undesired plant growth. The invention further provides a method for preventing undesired plant growth. The active ingredients pyroxasulfone and metribuzin of the synergistic weeding composition are applied jointly or independently undesired plants or growth sites thereof.

Description

technical field [0001] The present invention relates to a synergistic herbicidal composition. The invention also relates to a method for controlling unwanted vegetation. Background technique [0002] In recent years, the direction of pesticide development is to embody high efficiency, low toxicity, low residue and no pollution. The specific performance is the pursuit of "three highs", namely: high safety, which not only requires low toxicity, low residue, and pollution-free; high biological activity; high selectivity. Therefore, continue to improve the performance of the current pesticide products to meet the requirements of high efficiency, low toxicity and no pollution. [0003] The most commonly used method for increasing the herbicidal activity and broadening the herbicidal spectrum of existing herbicides is to mix two or more herbicidally active substances with different herbicidal activities. If two or more herbicidally active substances are mixed, it may show super...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P13/00A01N43/707
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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