Oxadiazon-containing weeding composition and medicinal preparation thereof

A technology of herbicidal composition and pharmaceutical preparation, applied in the field of pesticides, can solve the problems of inability to completely and effectively control weeds in corn fields, high water solubility of herbicides, phytotoxicity of corn in dosage, and the like, so as to reduce adverse effects, improve control effects, The effect of reducing the dose used

Inactive Publication Date: 2018-05-11
SHANDONG DEHAO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, herbicides in cornfields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using one herbicide alone cannot completely and effectively control the occurrence of weeds in cornfields. Moreover, some herbicides have high water solubility or field persistence. If it is too long and the dosage is too large, it will easily cause phytotoxicity of corn or crop phytotoxicity of corn crops

Method used

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  • Oxadiazon-containing weeding composition and medicinal preparation thereof
  • Oxadiazon-containing weeding composition and medicinal preparation thereof
  • Oxadiazon-containing weeding composition and medicinal preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: Oxadiazone. Diflufenamide. Flufenacet wettable powder

[0024] Oxadiazone 30

[0025] Diflufenamide 20

[0026] Flufenacet 16

[0027] Sodium lignosulfonate 7

[0028] Sodium Lauryl Sulfate 2

[0029] Silica 3

[0030] Kaolin make up 100

[0031] Put the above materials together into the conical mixer and mix them evenly, and then crush them through the jet mill, and then mix the crushed materials through the gravity-free mixer. Oxadiazone. Diflufenamide. Flufenacet wettable powder;

Embodiment 2

[0032] Example 2: Oxadiazone. Diflufenac. Flufenacet water dispersible granules

[0033] Oxadiazone 40

[0034] Diflufenamide 30

[0035] Flufenacet 20

[0036] Polycarboxylate 4

[0037] Sodium Lauryl Sulfate 2

[0038] Cornstarch makes up 100

[0039] Put the above materials together into the conical mixer and mix evenly, and then pulverize through the jet mill, and then mix the pulverized materials through the conical mixer. Knead into a plastic material, and finally put the material into an extrusion granulator to extrude and granulate. After granulation, dry and sieve to obtain 90% oxadiazone, diflufenamide, and flufenacet water dispersible granules;

Embodiment 3

[0040] Embodiment 3: Oxadiazone. Diflufenacet. Flufenacet EC

[0041] Oxadiazone 5

[0042] Diflufenamide 2

[0043] Flufenacet 2

[0044] Fatty acid polyethylene glycol esters 5

[0045] Calcium dodecylbenzenesulfonate 4

[0046] Xylene 10

[0047] Cyclohexanone make up 100

[0048] Put the above materials together into the reaction kettle and mix evenly until all the solid materials are dissolved to form a uniform transparent solution, and then 9% oxadiazone, diflufenican, and flufenacet EC can be obtained;

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PUM

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Abstract

The invention belongs to the technical field of pesticides, and discloses a wheat field and corn field weeding composition and a medicinal preparation thereof. The weeding composition comprises, by weight, 5-40 parts of oxadiazon, 2-30 parts of diflufenican and 2-20 parts of flufenacet. Different auxiliary materials are added to prepare missible oil, a suspoemulsion, a suspension, a wettable pulvis or a water dispersible granule. The weeding composition utilizes the different action mechanisms of the oxadiazon, diflufenican and flufenacet, and the above three herbicides are compounded to achieve synergistic effects. The above ternary herbicide composition can effectively control diseases of annual gramineous weeds and sedge weeds in the corn field and the wheat field, and especially has agood control effect on malignant weeds in the wheat field, such as bromegrass, Aegilops tauschii, wild oats and Lolium multiflorum; and test proves that the composition is safe to wheat, corn and next-stubble crops, and is an ideal wheat field and corn field herbicide composition.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicidal composition for wheat fields and corn fields and pharmaceutical preparations thereof. Background technique [0002] Wheat is one of the main food crops in northern my country. It is rich in starch, protein, fat, minerals, calcium, iron, thiamine, riboflavin, niacin and vitamin A. It is the second largest food in the world. crop. The perennial planting area of ​​wheat in my country is more than 30 million hectares, second only to the planting area of ​​rice. According to statistics, most wheat fields have suffered from weed damage to varying degrees. The area of ​​weed damage accounts for more than 55% of the wheat planting area, of which the severely damaged area accounts for about 28%, and the loss of yield accounts for about 15% of the total wheat output. With the development of agricultural science and technology, the application of chemical herbic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N43/40A01P13/00
CPCA01N43/40A01N43/82A01N2300/00
Inventor 王金信王铭李宏元
Owner SHANDONG DEHAO CHEM
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