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Herbicide with broad-spectrum weeding effect

A herbicide and action technology, applied in the direction of herbicides and algicides, chemicals used for biological control, application, etc., can solve the problems of farmers' wrong selection of herbicides, damage to corn growth, etc., and achieve excellent control effect , crop safety, broad-spectrum weed control effect

Inactive 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 with broad-spectrum weeding effect
  • Herbicide with broad-spectrum weeding effect
  • Herbicide with broad-spectrum weeding effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 130

[0015] Embodiment 130% Benthiazone-Butachlor Suspending Concentrate

[0016] Benthiazone 5%

[0017] Butachlor 25%

[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) 68%

[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 product 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 following table shows the 20-day density control effect of 30% thiafentrazone·butachlor SC on weeds such as crabgrass, barnyardgrass, and retroverted amaranthus in cornfields:

[0025]

[0026] The following table shows the 40-day density control effect of 30% thiafentrazone·butachlor SC on weeds such as crabgrass, barnyard...

Embodiment 230

[0030] Example 230% Benthiazone-Butachlor Wettable Powder

[0031] Benthiazone 5%

[0032] Butachlor 25%

[0033] NNO (dispersant) 3%

[0034] Sodium lignosulfonate (dispersant) 7%

[0035] Sodium alkylbenzene sulfonate (dispersant) 1%

[0036] White carbon black (filler) 69%

[0037] The control effects of 40 g / mu, 60 g / mu, and 80 g / mu of the preparations made 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 Thiaflumele and butachlor are used alone.

[0038] The following table shows the control effect of 30% thiafentrazone·butachlor wettable powder on annual weeds in cornfields (%)—45 days after application:

[0039]

[0040] The following table shows the control effect (%) of 30% thiafentrazone·butachlor wettable powder on annual weeds in cornfields - the control effect of plants 60 days after application:

[0041]

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PUM

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Abstract

The invention provides a herbicide with broad-spectrum weeding effect, and relates to the technical field of production of herbicides. The herbicide is composed of effective components of benthiazole clomazone and butachlor, 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 20% parts of benthiazole clomazone, 1 to 50% of butachlor, 2 to 25% of an additive and 5 to 96% of a filler. The herbicide provided by the invention 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 herbicide production. 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 agents, and can be d...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P13/00A01N37/26
Inventor 孙红军
Owner JIANGSU DONGBAO AGROCHEM
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