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Herbicide composition containing nicosulfuron, halosulfuron-methyl and atrazine

A herbicidal composition, the technology of chlorpyrazosulfuron-methyl, applied in the field of pesticides, can solve the problem of no related reports on the combination of nicosulfuron-methyl, and achieve the effect of expanding the herbicidal spectrum

Inactive Publication Date: 2015-04-22
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There is no relevant report on the compounding of nicosulfuron, clopyrazosulfuron and atrazine

Method used

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  • Herbicide composition containing nicosulfuron, halosulfuron-methyl and atrazine
  • Herbicide composition containing nicosulfuron, halosulfuron-methyl and atrazine
  • Herbicide composition containing nicosulfuron, halosulfuron-methyl and atrazine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0021] Formulation example 2: 30% nicosulfuron-clopyrazosulfuron-atrazine wettable powder.

[0022]

[0023] Add the above materials together into a conical mixer and mix them evenly, then pulverize them through a jet mill, and then mix the pulverized materials through a conical mixer. The fineness of the mixed materials is 98% and passes through a 600-mesh standard sieve to obtain 30% Nicosulfuron · Clopyrazosulfuron · Atrazine wettable powder.

[0024] Formulation example 3: 35% nicosulfuron-clopyrazosulfuron-atrazine suspension concentrate.

[0025]

[0026] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and then prepared after high-shear mixing to obtain a 35% nicosulfuron-clopyrazosulfuron-atrazine suspension concentrate with a corresponding weight percentage.

[0027] Formulation example 4: 23.5% nicosulfuron-clopyrazosulfuron-atrazine oil suspension concentrate.

[0028]

[0029] Put the above materials (...

Embodiment 2

[0049] Biological Assay Example 2: Field efficacy test for controlling annual weeds in cornfields.

[0050] Table 3. Field efficacy test results of nicosulfuron, chlorpyrazosulfuron, and atrazine compositions for controlling annual weeds in cornfields.

[0051]

[0052] In summary, the composition of the present invention is reasonable, and the ternary combination of nicosulfuron-clopyrazosulfuron-atrazine has a synergistic response, especially for Sorghum propinquum, Setaira viridis (L. .) Beauv), Cyperus rotundus (Cyperus rotundus L.) have a significant synergistic response, expanding the herbicidal spectrum, especially for corn fields, especially Sorghum propinquum, Setaira viridis (L.) Beauv), Cyperus viridis (L.) Beauv) Aconite (Cyperus rotundus L.) provides an excellent weed control solution for dominant weeds in corn fields, and is suitable for controlling annual weeds in corn fields.

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Abstract

The invention relates to a herbicide composition containing nicosulfuron, halosulfuron-methyl and atrazine. The herbicide composition contains effective components including nicosulfuron, halosulfuron-methyl and atrazine. The herbicide composition disclosed by the invention has a synergistic effect and is remarkably better than each independently-used agent in effect on preventing and removing annual weeds in corn fields; and by using the herbicide composition, the herbicide controlling spectrum is widened, meanwhile, the dosage is reduced, the generation of herbicide resistance of the weeds is delayed, and the environment pollution is relieved.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a synergistic response herbicidal composition with nicosulfuron, chlorpyrazosulfuron and atrazine as active ingredients, which is suitable for controlling annual weeds in corn fields. Background technique [0002] Nicosulfuron, a sulfonylurea systemic herbicide, can be absorbed by the stems, leaves and roots of weeds, and then conducts in the plants, causing growth stagnation, chlorosis of stems and leaves, and gradual death of sensitive plants. It dies in 20-25 days, but some perennial weeds take longer in cooler temperatures. The efficacy of pesticide application is good before the 4-leaf stage after budding, and the efficacy of pesticide application decreases when the seedlings are large. The drug has pre-emergence herbicidal activity, but the activity is lower than that of post-emergence, and can control annual and perennial grass weeds and some broad-leaved w...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/70
Inventor 王礼文陈佛祥张志伟朱刚吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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