Pesticide composition containing benzene oxazole fluridon, nicosulfuron and fluroxypyr

A technology of fluroxypyr and fenfluroxyzone, which is applied in the direction of herbicides, algicides, biocides, animal repellants, etc., to expand the control spectrum, reduce the use of pesticides, and improve the control effect Effect

Inactive Publication Date: 2017-04-26
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] There is no report on the mixing and application of fenflurzone, nicosulfuron, and fluroxypyr

Method used

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  • Pesticide composition containing benzene oxazole fluridon, nicosulfuron and fluroxypyr
  • Pesticide composition containing benzene oxazole fluridon, nicosulfuron and fluroxypyr
  • Pesticide composition containing benzene oxazole fluridon, nicosulfuron and fluroxypyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one: Indoor toxicity assay

[0019] Test method: Potted stem and leaf spray method (NY / T 1155.4-2006): Put a certain amount of soil in a porcelain pot with a height of 6 cm and a diameter of 9 cm, sow 15 to 20 seeds of the target weeds in the pot, cover with 0.5 ~1cm of fine soil was placed in the greenhouse for cultivation, and when the crabgrass grew to the 2-4 leaf stage, the stems and leaves were sprayed with 1ml of each porcelain pot, and each treatment was repeated 4 times, and the treatment without chemicals was set as As a control, the treated test materials were cultured in the greenhouse, and the growth of the target weeds was regularly observed. After 15 days, the symptoms of target damage and growth inhibition were visually observed, and the fresh weight of the above-ground parts was weighed. Toxic effects of grass. Data investigation and statistical analysis After 15 days of experimental treatment, visually observe the symptoms of target damage ...

Embodiment 2

[0030] Example 2: 45% fenflurzone-nicotinsulfuron-fluroxypyr wettable powder

[0031]

[0032] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 45% fenfluroxyzone·nicotinesulfuron·fluroxyrpyr wettable powder.

[0033] This embodiment is used for controlling annual weeds in cornfields, 45% fenflurzone, nicosulfuron, and fluroxypyr wettable powder preparation per mu is used for 20 grams, and the weeds are sprayed at the 2-3 leaf stage. After 10 days of treatment, the control effect was 97.6%; the dosage of 10% fenflurzone-ethyl suspension was 37.5g a.i. / ha for spray treatment, and the control effect was 72.6% after 10 days; the dosage of 15% nicosulfuron-methyl suspension was 30g a.i. / ha Spray treatment, 70.3% of weed control effect 10 days after application; 20% fluroxypyr emulsifiable concentrate dosage 90ga.i. / ha spray treatment, 71.6% of broad-leaved weed control effect 10 days after application. ...

Embodiment 3

[0034] Example 3: 40% fenflurzone-nicotinesulfuron-fluroxyacetic acid suspension concentrate

[0035]

[0036]

[0037] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare a 40% oxaflurone·nicotinesulfuron·fluroxyfen suspension concentrate.

[0038] This embodiment is used for controlling annual weeds in cornfields, 40% fenflurzone-nicotine-sulfuron-fluroxyrpyr suspension formulation per mu is used for 30 grams, weeds are sprayed at the 2-3 leaf stage, and after the medicine The 10-day control effect was 98.7%; 10% fenflurzone-sulfuron suspension was sprayed at a dosage of 37.5g a.i. / ha, and the control effect was 73.2% 10 days after treatment; the 15% nicosulfuron-methyl suspension was sprayed at a dosage of 30g a.i. / ha 10 days after treatment, the control effect on weeds was 71.1%; 20% fluroxypyr EC was sprayed with 90g a.i. / ha, and the control effect on broad-leaved weeds...

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PUM

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Abstract

The invention discloses a pesticide composition containing benzene oxazole fluridon, nicosulfuron and fluroxypyr, wherein the mass ratio of benzene oxazole fluridon, nicosulfuron and fluroxypyr is 1-20:1-20:1-20, the weight percentage of the sum of the weight of benzene oxazole fluridon, nicosulfuron and fluroxypyr in the pesticide composition is 1% -60%. The pesticide composition has the obvious synergistic effect and the used amount of active ingredient in the compound drug reduces obviously than single dose used individually. The pesticide composition is suitable for preventting and killing off annual grass weeds and broadleaf weeds in corn fields.

Description

technical field [0001] The pesticide composition involved in the present invention uses fenflurzone, nicosulfuron, and fluroxyfen as active ingredients, and is used for preventing and controlling farmland weeds, especially for preventing and controlling annual grass weeds and broadleaf weeds in corn fields. leaf weeds. 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, not only annual and perennial weeds are mixed, herbs, vines and shrubs are mixed, but also the emergence of weeds is uneven, and the seeds, young and old weeds are staggered, so the herbicide species alone When used, all will show some defects and limitations. [0003] Fenflurone is developed and created by Qingyuan Nongguan. It is mainly used for the control of annual gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/56A01N43/40A01P13/00
CPCA01N43/40A01N43/56A01N47/36A01N2300/00
Inventor 朱刚王礼文张志伟陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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