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Herbicide compounded from benthiazole clomazone and metolachlor

A technology of thiafentrazone and metolachlor, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problems of farmers' wrong choice of herbicides and damage to corn growth, and achieve Excellent control effect, crop safety, good control effect

Active Publication Date: 2016-01-13
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different ingredients and different varieties of herbicides have different herbicidal spectrum, adaptability and sensitivity to crops. However, there are many kinds of herbicides for cornfields on the market, and farmers often don't know how to choose. Many farmers choose and use herbicides by mistake. agent, causing unnecessary damage to corn growth

Method used

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  • Herbicide compounded from benthiazole clomazone and metolachlor
  • Herbicide compounded from benthiazole clomazone and metolachlor
  • Herbicide compounded from benthiazole clomazone and metolachlor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: 50% Benthiazone Metolachlor Suspension Concentrate

[0016] Benthiazone 5%

[0017] Metolachlor 45%

[0018] Nonylphenol polyoxyethylene ether (NP-9) (dispersion wetting agent) 8%

[0019] Propylene glycol (antifreeze) 1%

[0020] Xanthan gum (thickener) 1%

[0021] Silicone defoamer (SAG612) 2%

[0022] Water (filler) 38%

[0023] Weigh the materials according to the above weight ratio, stir and mix them evenly, and then sand them with a sand mill to obtain the preparations prepared according to the above ratio. , Amaranthus retroflexus and other weeds have a control effect of more than 90%, which is better than single use.

[0024] The table below shows the control of weeds such as crabgrass, barnyardgrass and foxtail in cornfields

[0025] Density prevention effect on the 20th day:

[0026]

[0027] The following table shows the 40th-day density control effect of 50% thiafentrazone·metolachlor SC on weeds such as crabgrass, barnyardgrass, and fo...

Embodiment 2

[0031] Example 2: 30% Methachlor-Metolachlor Wettable Powder

[0032] Benthiazone 3%

[0033] Metolachlor 27%

[0034] NNO (dispersant) 3%

[0035] Sodium lignosulfonate (dispersant) 7%

[0036] Sodium alkylbenzene sulfonate (dispersant) 1%

[0037] White carbon black (filler) 59%

[0038] The control effects of 10 g / mu, 15 g / mu, and 20 g / mu of the preparations formulated according to the above ratio on weeds such as corn crabgrass, barnyardgrass, and amaranth are all above 90%, and they are also better than benzene Thiaclozone and metolachlor are used alone.

[0039] The following table shows the control effect of 30% thiafentrazone·metolachlor wettable powder on annual weeds in corn field (%)—45 days after application:

[0040]

[0041] The following table shows the control effect (%) of 30% thiafentrazone·metolachlor wettable powder on annual weeds in cornfields - the control effect of plants 60 days after application:

[0042]

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PUM

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Abstract

The invention provides a herbicide compounded from benthiazole clomazone and metolachlor, and relates to the technical field of production of herbicides. The herbicide is composed of effective components of benthiazole clomazone and metolachlor, and the dosage form of the herbicide is a suspension or a wettable powder. The herbicide composition comprises the following raw materials by weight: 1 to 15% parts of benthiazole clomazone, 1 to 50% of metolachlor, 2 to 25 parts of an additive, and 10 to 96% of a filler. The herbicide provided by the invention is a herbicide pesticide composition, shows highly-efficient and broad-spectrum weeding performance, is mainly applied in prevention and control of annual weeds in corn fields, and has no adverse influence on crops.

Description

technical field [0001] The invention relates to the technical field of preparation of herbicide compositions. Background technique [0002] Corn is the main food crop in my country, and the country's corn sown area has been stable at about 450 million mu for many years. Corn planting is widely distributed, and there are two planting methods of spring corn and summer corn. The weed community in the field varies with the local natural conditions and farming characteristics, and can be roughly divided into six weed damage areas: the northeast spring corn field weed damage area, the Huanghuai sea summer corn field weed damage area. Weeds are common in corn fields, and the main weeds are crabgrass, barnyardgrass, foxtail, goosegrass, amaranth, purslane, amaranth, Cyperus rotundum, etc. At present, chemical herbicides can be divided into killing herbicides and selective herbicides, and selective herbicides can be divided into soil treatment agents and stem and leaf treatment age...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N37/22
Inventor 孙红军童振祥徐国香
Owner JIANGSU DONGBAO AGROCHEM
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