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Herbicide composition with broad spectrum 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: 2012-11-14
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 weeding effect
  • Herbicide composition with broad spectrum weeding effect
  • Herbicide composition with broad spectrum weeding effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 1. Example 1: 10% Benthiazone-Nicosulfuron Suspending Concentrate

[0013] Weigh 4 kg of thiazazone, 6 kg of nicosulfuron, 8 kg of nonylphenol polyoxyethylene ether (NP-9) (dispersion wetting agent), 1 kg of propylene glycol (antifreeze), and xanthan gum ( thickener) 1 kg, silicone defoamer (SAG612) 2 kg and water (filler) 78 kg.

[0014] After the above-mentioned materials are mixed evenly, the product is obtained by sand milling with a sand mill, and the use amount of 30 ml / mu, 40 ml / mu, and 50 ml / mu is applied to cornfield crabgrass, barnyardgrass, retroflexus, etc. The control effect test of weeds is carried out, and it is found that the control effect of the product of the present invention is more than 90%, which is better than single use.

[0015] The following table shows the 20-day density control effect of 10% thiaflumezone·nicotinesulfuron SC on weeds such as crabgrass, barnyardgrass, and retroverted amaranthus in cornfields:

[0016] ...

Embodiment 2

[0021] 2. Example 2: 20% Benthiazone-Nicosulfuron WP

[0022] Weighed 8 kg of thiazazone, 12 kg of nicosulfuron, 3 kg of NNO (dispersant), 7 kg of sodium lignosulfonate (dispersant), 1 kg of sodium alkylbenzenesulfonate (dispersant) and White carbon black (filler) 69 kg.

[0023] After the above-mentioned materials were mixed evenly, the product was obtained by sand milling with a sand mill, and treated with 10 g / mu, 15 g / mu, and 20 g / mu of corn crabgrass, barnyardgrass, retroflexus and other miscellaneous The results show that the control effect of the product of the present invention is more than 90%, and it is also better than the two products of thiafentrazone and nicosulfuron used alone.

[0024] The following table shows the control effect (%) of 20% thiaflumezone·nicosulfuron-methyl WP on annual weeds in cornfields - 45 days after application:

[0025]

[0026] The following table shows the control effect of 20% thiaflumezone·nicosulfuron-methyl wettable powder on ...

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PUM

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Abstract

The invention discloses an herbicide composition with a broad spectrum weeding effect. Active ingredients are composed of benzothiazole oxadiazon and nicosulfuron, and a suspending agent or a wettable power serves as a product dosage form. The herbicide composition is composed of, by weight, 1-25% of benzothiazole oxadiazon, 1-25% of nicosulfuron, 2-25% of auxiliaries and 25-96% of fillers. The herbicide composition serving as an herbicide pesticide composition has the advantages that the weeding performance is efficient and broad-spectrum, and the herbicide composition is mainly applied to annual weed control in corn fields and has 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): A01N47/36A01P13/00A01N25/04A01N25/14
Inventor 孙红军杨光富南艳肖世健童振祥
Owner JIANGSU DONGBAO AGROCHEM
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