Composition of corn field herbicides

A composition and herbicide technology, which are applied in the directions of herbicides, algaecides, biocides, biocides, etc. In order to achieve the effect of delaying weed resistance, reducing the burden on farmers and reducing phytotoxicity

Inactive Publication Date: 2010-12-08
丹东市农药总厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application area of ​​herbicides in cornfields in my country is 5.62 million hm2, accounting for only 1 / 4. The herbicide varieties in my country's cornfields are only atrazine, mecitrione, alachlor, acetochlor, metolachlor, Pretilachlor, thiasulfuron, nicosulfuron, trifluralin, 2,4-D, glyphosate, paraquat, etc. more than 10 species, of which the long-residual herbicide atrazine is used too much, which is harmful to subsequent crops. Influenced by the high multi-cropping index of crops in our country and the complicated crop rotation and intercropping, the long-term use of this single herbicide has huge hidden dangers
In addition, in the case of frequent droughts in our country, the efficacy of herbicides related to rainfall is unstable. When the application is dry, the efficacy is poor or ineffective. Sometimes heavy rains cause phytotoxicity.

Method used

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  • Composition of corn field herbicides
  • Composition of corn field herbicides
  • Composition of corn field herbicides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1 suspoemulsion

[0045] Such as figure 1 As shown, the suspoemulsion (SE) of the herbicidal composition of the present invention is obtained by continuously stirring, grinding, and dispersing the poorly water-soluble solid active ingredient together with an emulsifier, dispersant, wetting agent, etc. in water to obtain component (1); Then the liquid active component with poor water solubility is continuously stirred together with emulsifier, surfactant, cosolvent, etc., and dispersed uniformly to obtain component (2); finally component (1) and component (2) are mixed in a homogeneous Fully disperse and emulsify in the mixer, and add thickener, antifreeze, defoamer, etc. as needed. Suitable suspoemulsions contain 5-60% active ingredient.

[0046]Concrete composition ratio is as follows: (by weight percentage)

[0047] a. Active ingredient (A) mesotrione 3.5

[0048] Active ingredient (B) Atrazine 15

[0049] Active ingredient (C) Promethachlor 15

[005...

Embodiment 2

[0072] Embodiment 2 water suspending agent

[0073] Such as figure 2 As shown, the herbicidal composition water suspension (SC) of the present invention is to continuously stir the active components with poor water solubility together with emulsifiers, dispersants, wetting agents, thickeners, antifreeze agents, defoamers, etc. in water, Grinding and dispersing to make it evenly dispersed and suspended for spraying.

[0074] Concrete composition ratio is as follows: (by weight percentage)

[0075] a. Active ingredient (A) mesotrione 3.5

[0076] Active ingredient (B) Atrazine 15

[0077] Active ingredient (C) Promethachlor 15

[0078] Wetting agent sodium dodecylbenzene sulfonate 3

[0079] Dispersant NNO 3

[0080] Emulsifier 1602 8

[0081] Water makes up 100

[0082] b. Active ingredient (A) Mesotrione 3.5

[0083] Active ingredient (B) Atrazine 20

[0084] Active ingredient (C) Promethachlor 15

[0085] Wetting agent sodium dodecylbenzene sulfonate 3

[0086] D...

Embodiment 3

[0104] Embodiment 3 oil suspension

[0105] Such as image 3 As shown, the herbicidal composition oil suspension (OF) of the present invention is that the active component with poor water solubility is continuously stirred in oil together with emulsifier, dispersant, wetting agent, thickener, antifreeze agent, defoamer, etc. , Grinding, and dispersing to make it evenly dispersed and suspended for spraying. Suitable oily suspensions contain 5-60% active ingredient. The oils are mainly vegetable oil and mineral oil. Vegetable oil such as soybean oil, cotton oil, peanut oil, etc.; mineral oil such as: various types of engine oil, diesel oil, lubricating oil, etc. It accounts for 40-90% by weight of the composition.

[0106] Concrete composition ratio is as follows: (by weight percentage)

[0107] a. Active ingredient (A) Mesotrione 3.5

[0108] Active ingredient (B) Atrazine 15

[0109] Active ingredient (C) Promethachlor 15

[0110] Wetting agent sodium dodecylbenzene sul...

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PUM

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Abstract

The invention belongs to the field of pesticide mixing, and discloses a composition of corn field herbicides. The composition is a suspoemulsion, a water suspending agent or an oil suspending agent composed of A, B and C herbicide compounds serving as active ingredients, and the active ingredient content of the composition is 5 to 60 percent; A is mesotrione, B is one or more of triazine herbicides, and C is one or more of amide herbicides, wherein the composition contains one herbicide compound A, at least one herbicide compound B selected from the following compounds and at least one herbicide compound C selected from the following compounds; and according to the formula, the composition is ground under high pressure, emulsified and dispersed into the suspoemulsion, the water suspending agent or the oil suspending agent according to different proportions, and is used for preventing and killing weeds in corn fields at the post-emergence stage.

Description

technical field [0001] The invention belongs to the field of pesticide mixing, and relates to suspoemulsion, water suspension and oil suspension composed of effective component (A), at least one specific herbicidal compound (B) and at least one specific herbicidal compound (C). Background technique [0002] With the adjustment of agricultural structure, the further development of animal husbandry and the expansion of exports, the demand for corn has increased significantly. At present, more than 80% of domestic corn is mainly used for feed, starch, alcohol, monosodium glutamate processing and pharmaceuticals. In recent years, with the strengthening of environmental protection, the reduction of vehicle exhaust emissions and the use of ethanol instead of gasoline have become a trend to develop the ethanol industry. Its main raw material adopts corn, which will promote the expanded planting of corn, so it has more development potential than other crops. [0003] Corn is one of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/70A01N41/10A01N37/26A01N25/04A01P13/00
Inventor 高长义徐伟斌林丽冯银鹏顾奎灵秦军任福英
Owner 丹东市农药总厂
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