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Herbicidal composition applicable to potato field

A herbicidal composition and potato technology, applied in the direction of chemicals, herbicides and algicides for biological control, and application, can solve the problems of poor weed resistance control effects in farmland, and achieve rapid drug efficacy, The effect of reducing the cost of medication and reducing the dosage

Inactive Publication Date: 2014-12-10
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of drug resistance to farmland weeds in the prior art and the actual control effect is poor, to provide a high-efficiency, low toxicity, good quick-acting and long-lasting effect, which is beneficial to the comprehensive management of weeds in potato fields herbicidal composition

Method used

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  • Herbicidal composition applicable to potato field
  • Herbicidal composition applicable to potato field
  • Herbicidal composition applicable to potato field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: 30% propargyl oxadiazone · pendimethalin wettable powder.

[0040]

[0041] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 35% propargyl oxadiazone·pentadimethalin wettable powder.

Embodiment 2

[0042] Example 2: 70% propargyl oxadiazone · pendimethalin water dispersible granules.

[0043]

[0044] Weigh the above formula in proportion, pour it into a mixer and mix evenly, grind it through a jet mill for 3 times, granulate, dry, and sieve to prepare 70% propargyl oxadiazone pendimethalin water-dispersible granules .

Embodiment 3

[0045] Embodiment 3: 30% propargyl oxadiazone · pendimethalin emulsion in water.

[0046]

[0047]

[0048] The above formula was weighed in proportion, poured into a mixer, mixed evenly, and emulsified by high-speed shearing to prepare a 30% propargyl oxadiazone-dimethalin aqueous emulsion.

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Abstract

The invention discloses an herbicidal composition applicable to a potato field. The herbicidal composition contains cyclo-oxadiargyl and pendimethalin which serve as active ingredients, wherein a ratio of cyclo-oxadiargyl to pendimethalin is equal to (1:20) to (20:1) in parts by mass, and the total mass of cyclo-oxadiargyl to pendimethalin accounts for 20%-80% of the mass of the composition. Depending on application demands, the herbicidal composition disclosed by the invention can be prepared into water dispersible granules, wettable powder, an emulsion in water or in other application dosage forms applicable to agricultural use; the herbicidal composition is suitable for preventing and removing annual weeds of the potato field, and has a weeding effect significantly better than that of single cyclo-oxadiargyl or single pendimethalin; a weed controlling spectrum is widened, a dosage is reduced and disease resistance of weeds is delayed.

Description

technical field [0001] The invention relates to a potato field herbicide, which uses the combination of propargyl oxadiazone and pendimethalin as active ingredients, and the rest as auxiliary agents. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, grass weeds, broad-leaved weeds, and sedges are mixed, and the use of a single herbicide cannot solve farmland weeds, and all will show some defects and limitation. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Propyryl oxadiazone acts through weed sprouts or seedlings contacting and absorbing the drug. The drug is a high-efficiency, broad-spectrum rice field he...

Claims

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Application Information

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IPC IPC(8): A01N43/824A01P13/00A01N33/18
Inventor 陈佛祥张志伟朱刚王礼文吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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