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Synergetic weeding composition

A herbicidal composition and plant technology, applied in the direction of herbicides and algicides, biocides, plant protection, etc., can solve the problems of current crop or subsequent crop toxicity, herbicide safety limit, crop damage, etc.

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
Pyroclofensulfone is a highly effective pre-emergence herbicide but has poor post-emergence activity
In addition, pyroxasulfone is compatible with some dicotyledonous crops such as cotton, sunflower, soybean, brassica (brassica) crops such as canola (canola) and rapeseed, and some gramineous crops such as rice, wheat, black The compatibility of wheat and barley is not always satisfactory, that is, in addition to harmful plants, crops are also damaged to an unacceptable extent
Although in principle it is possible to reduce the application rate without damaging the crop, the degree of control of harmful plants is also naturally reduced

Method used

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  • Synergetic weeding composition
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  • Synergetic weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0108] Embodiment 1: 60% pyroxasulfone+6% promethon suspension concentrate

[0109] Pyroxasulfone 60%

[0110] Prometon 6%

[0111] Sodium methylnaphthalenesulfonate formaldehyde condensate 10%

[0112] Bentonite 1%

[0113] Glycerol 5%

[0114] Water to make up to 100%

[0115] Mix active components, dispersant, wetting agent and water according to the ratio of the formula, and grind and / or high-speed shear to obtain 60% pyroxasulfone + 6% promethon suspension concentrate .

Embodiment 2

[0116] Example 2 2% pyroxasulfone+10% promethon wettable powder

[0117] pyroxasulfone 2%

[0118] Promethazine 10%

[0119] Sodium Lauryl Sulfate 10%

[0120] Sodium lignosulfonate 5%

[0121] Silica 10%

[0122] Kaolin supplemented to 100%

[0123] The active ingredient, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultra-fine pulverizer, 2% pyroxasulfone + 10% promethonin wettable powder can be obtained.

Embodiment 3

[0124] Example 3 2% pyroxasulfone+50% promethazin wettable powder

[0125] pyroxasulfone 2%

[0126] Promethazine 50%

[0127] Calcium dodecylbenzenesulfonate 1%

[0128] Sodium lignosulfonate 2%

[0129] Silica make up to 100%

[0130] The active ingredients, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultra-fine pulverizer, 2% pyroxasulfone + 50% promethon wettable powder can be obtained.

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Abstract

The invention provides synergetic increased weeding composition. The composition is prepared from active components of pyroxasulfone and prometryn in a weight ratio being 10:1-1:100. The synergetic weeding composition is used for controlling unexpected plant growth. The invention also provides a method for controlling unexpected plant growth. The active components of pyroxasulfone and prometryn of the synergetic weeding composition are applied to unexpected plants or growth places of the unexpected plants together or independently.

Description

Technical field [0001] The present invention relates to a herbicidal composition, in particular to a synergistic herbicidal composition. Background technique [0002] In recent years, the direction of pesticide development has been to achieve 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 residues, but also no pollution; high biological activity; high selectivity. Therefore, we continue to improve the performance of current pesticide products to meet the requirements of high efficiency, low toxicity, and no pollution. [0003] The most commonly used method of increasing herbicidal activity and broadening the herbicidal spectrum of existing herbicides is to mix two or more herbicidal active substances with different herbicidal activities. If two or more herbicidal active substances are mixed, it may show greater herbicidal efficacy than indi...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P13/00A01G13/00A01N43/70
Inventor 罗昌炎詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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