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Herbicide composition with broad-spectrum synergistic weeding effect

A technology of herbicide and composition, which is applied in the field of herbicide composition preparation, can solve the problems of farmers wrongly choosing and using herbicides, damage to corn growth, etc., and achieve the effects of excellent control effect, crop safety and reduced use cost

Inactive Publication Date: 2016-04-27
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 composition with broad-spectrum synergistic weeding effect
  • Herbicide composition with broad-spectrum synergistic weeding effect
  • Herbicide composition with broad-spectrum synergistic weeding effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: 10% Benthiazone-Acetochlor Suspending Concentrate

[0014] Benthiazone 2%

[0015] Acetochlor 8%

[0016] Nonylphenol polyoxyethylene ether (NP-9) (dispersion wetting agent) 8%

[0017] Propylene glycol (antifreeze) 1%

[0018] Xanthan gum (thickener) 1%

[0019] Silicone defoamer (SAG612) 2%

[0020] Water (filler) 78%

[0021] 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.

[0022] Table 110% thiafentrazone · acetochlor suspending agent to control weeds such as crabgrass, barnyardgrass, and retroverted amaranth in the corn field on the 20th day density control effect

[0023]

[0024] Table 2 10% thiaflumezone · acetochlor suspending agent to control weeds such as crabgrass, barnyardgrass, and retroverted...

Embodiment 2

[0028] Example 2: 20% Benthiazone-Acetochlor WP

[0029] Benthiazone 4%

[0030] Acetochlor 16%

[0031] NNO (dispersant) 3%

[0032] Sodium lignosulfonate (dispersant) 7%

[0033] Sodium alkylbenzene sulfonate (dispersant) 1%

[0034] White carbon black (filler) 69%

[0035] The control effects of 30 g / mu, 40 g / mu, and 50 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 acetochlor are used alone.

[0036] Table 4 20% Benthiazone-Acetochlor wettable powder control corn field

[0037] Annual weed control effect (%) - plant control 45 days after application

[0038]

[0039] Table 5 20% Benthiazone-Acetochlor wettable powder control corn field

[0040] Annual weed control effect (%) - 60 days after application

[0041] .

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PUM

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Abstract

The invention discloses a herbicide composition with broad-spectrum synergistic weeding effect. The active components of the herbicide composition are benzothiazole carfentrazone-ethyl and acetochlor, and a suspending agent or a wettable power serves as a product dosage form. The herbicide composition comprises, by weight, 1-25% of benzothiazole carfentrazone-ethyl, 1-35% of acetochlor, 2-25% of an auxiliary agent and 15-96% of a filling material. The herbicide composition is a herbicide pesticide composition, shows high-efficiency and broad-spectrum weeding performance, is mainly applied to annual weed control in corn fields and exerts no harmful effect on crops.

Description

technical field [0001] The present invention relates to a method for the 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 a...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01N37/26A01P13/00
CPCA01N43/78A01N37/26
Inventor 孙红军南艳童振祥徐国香
Owner JIANGSU DONGBAO AGROCHEM
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