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A kind of herbicide with broad-spectrum synergistic herbicide

A herbicide and broad-spectrum technology, which is applied in the field of herbicide composition preparation, can solve the problems of farmers’ wrong selection of herbicides and damage to corn growth, etc., and achieve the effects of excellent control effect, crop safety and reduced use cost

Active Publication Date: 2015-12-02
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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  • A kind of herbicide with broad-spectrum synergistic herbicide
  • A kind of herbicide with broad-spectrum synergistic herbicide
  • A kind of herbicide with broad-spectrum synergistic herbicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 1. Example 1: Preparation of 10% Benthiazone Mesotrione Suspending Concentrate

[0013] 1. Weighing:

[0014] Benthiazone 4%

[0015] Mesotrione 6%

[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] 2. 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.

[0022] 3. Example of application:

[0023] By the product application rate of 30 milliliters / mu, 40 milliliters / mu, 50 milliliters / mu of the present invention.

[0024] The following table is a summary table of the 20th day density control effect test of weeds such as crabgrass, barnyardgrass, and retroverted amaranthus in cornfields using 10% thiafentrazone-mesotrione SC:

[0025]

[0026] The following table is a summary table of the 40t...

Embodiment 2

[0031] 2. Example 2: Preparation of 20% Benthiazone Mesotrione WP

[0032] 1. Weighing:

[0033] Benthiazone 8%

[0034] Mesotrione 12%

[0035] NNO (dispersant) 3%

[0036] Sodium lignosulfonate (dispersant) 7%

[0037] Sodium alkylbenzene sulfonate (dispersant) 1%

[0038] White carbon black (filler) 69%

[0039] 2. After stirring and mixing evenly, the product is obtained by sanding with a sand mill.

[0040] 3. The control effect of the preparation on weeds such as corn crabgrass, barnyardgrass, and amaranthus at the application rate of 10 g / mu, 15 g / mu, and 20 g / mu is also above 90%, and it is also excellent. It is used alone for the two products of thiaflumezone and mesotrione.

[0041] The following table shows the control effect (%) of annual weeds in cornfields by using 20% ​​thiafentrazone-mesotrione WP - the summary table of the plant control effect test 45 days after application:

[0042]

[0043] The following table shows the control effect (%) of annua...

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PUM

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Abstract

The invention discloses a herbicide with broad-spectrum synergistic and weeding effects. Active components of the herbicide comprise benzothiazole oxadiazon and mesotrione, and a suspending agent or a wettable power serves as a product dosage form. The herbicide comprises, by weight, 1-25% of benzothiazole oxadiazon, 1-25% of mesotrione, 2-25% of an auxiliary agent and 25-96% of a filling material. The herbicide has the advantages of 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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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01P13/00A01N41/10
Inventor 孙红军南艳童振祥徐国香
Owner JIANGSU DONGBAO AGROCHEM
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