CN104285977A - Weeding method - Google Patents
Weeding method Download PDFInfo
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- CN104285977A CN104285977A CN201410556435.4A CN201410556435A CN104285977A CN 104285977 A CN104285977 A CN 104285977A CN 201410556435 A CN201410556435 A CN 201410556435A CN 104285977 A CN104285977 A CN 104285977A
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- China
- Prior art keywords
- oxyfluorfen
- bentazon
- present
- killer herbicide
- weed killer
- Prior art date
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Abstract
The invention discloses a weeding method. The method comprises the step of applying oxyfluorfen and bentazon to weeds after oxyfluorfen and bentazon are compounded, wherein the mass ratio of oxyfluorfen to bentazon is (1: 5) to (5: 1). After oxyfluorfen and bentazon are compounded, the synergistic effect is obvious.
Description
Technical field
The present invention relates to a kind of herbicidal methods.
Background technology
Weed growth is rapid, not only fights for nutrient and moisture with flower plants and nursery stock, but also is the vector of multiple damage by disease and insect, if control will spread not in time, affects flowers and trees growth.Chemical herbicide controls the most effective mode of malignant weed, but the weed killer herbicide of single-activity composition exists defect in various degree on control of weeds, as lasting use is easily developed immunity to drugs, for avoiding developing immunity to drugs, usually a kind of medicament and another kind of medicament mixture are used.Oxyfluorfen and the contact weed killer herbicide of the equal property of Bentazon, but these two kinds of medicaments is composite there are no report.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of herbicidal methods.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of herbicidal methods, by Oxyfluorfen and Bentazon composite after, impose on weeds, wherein, the mass ratio of Oxyfluorfen and Bentazon is 1:5 ~ 5:1.
Preferably, the mass ratio of described Oxyfluorfen and Bentazon is 1:1 ~ 5:1.
Embodiment
Below in conjunction with preferred embodiment, the present invention will be described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1
Formula: the Oxyfluorfen+Bentazon (both mass ratioes are 1:1) of 30wt%, the emulsifier op-10 of 2wt%, the neopelex of 1.5wt%, the defoamer of 0.5wt%, surplus is water.Namely each component mixing and stirring is obtained composite weed killer herbicide.Co-toxicity coefficient (the abundant method of Sun Yun)=307.
Weed killer herbicide is watered dilution, and with spray pattern dispenser, dispenser 40 days " Invest, Then Investigate "s, to the herbicidal effect of lady's-grass, repeat 4 times, area 100m
2, active ingredient application dosage 180g/ hectare, strain preventive effect 90%.
Contrast: 1,480g/L Bentazon aqua active ingredient application dosage 1000g/ hectare, strain preventive effect 23%.
2,240g/L oxyfluorfen EC active ingredient application dosage 180g/ hectare, strain preventive effect 87%.
Embodiment 2
Formula: the Oxyfluorfen+Bentazon (both mass ratioes are 2.5:1) of 35wt%, the emulsifier op-10 of 2wt%, the neopelex of 2wt%, the defoamer of 0.5wt%, surplus is water.Namely each component mixing and stirring is obtained composite weed killer herbicide.Co-toxicity coefficient=460.
Weed killer herbicide is watered dilution, and with spray pattern dispenser, dispenser 40 days " Invest, Then Investigate "s, to the herbicidal effect of lady's-grass, repeat 4 times, area 100m
2, active ingredient application dosage 170g/ hectare, strain preventive effect 93%.
Embodiment 3
Formula: the Oxyfluorfen+Bentazon (both mass ratioes are 5:1) of 35wt%, the emulsifier op-10 of 3wt%, the sodium lignin sulfonate of 2wt%, surplus is precipitated calcium carbonate, makes wetting powder.Co-toxicity coefficient=330.
Weed killer herbicide is watered dilution, and with spray pattern dispenser, dispenser 40 days " Invest, Then Investigate "s, to the herbicidal effect of lady's-grass, repeat 4 times, area 100m
2, active ingredient application dosage 180g/ hectare, strain preventive effect 87%.
The present invention also can directly by commercially available 480g/L Bentazon aqua and 240g/L oxyfluorfen EC first with after blending by proportional quantity and being mixed, then to dilute, spray pesticide.
As seen from the above, Oxyfluorfen and Bentazon composite after, there is obvious synergistic function.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a herbicidal methods, by Oxyfluorfen and Bentazon composite after, impose on weeds, wherein, the mass ratio of Oxyfluorfen and Bentazon is 1:5 ~ 5:1.
2. herbicidal methods according to claim 1, is characterized in that: the mass ratio of described Oxyfluorfen and Bentazon is 1:1 ~ 5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556435.4A CN104285977B (en) | 2014-10-20 | 2014-10-20 | A kind of herbicidal methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556435.4A CN104285977B (en) | 2014-10-20 | 2014-10-20 | A kind of herbicidal methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104285977A true CN104285977A (en) | 2015-01-21 |
| CN104285977B CN104285977B (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410556435.4A Active CN104285977B (en) | 2014-10-20 | 2014-10-20 | A kind of herbicidal methods |
Country Status (1)
| Country | Link |
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| CN (1) | CN104285977B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN103262842A (en) * | 2013-05-29 | 2013-08-28 | 联保作物科技有限公司 | Weeding composition and preparation thereof |
| CN103749440A (en) * | 2006-05-03 | 2014-04-30 | 美国陶氏益农公司 | Method to reduce spray drift during application of pesticides and crop protection agents |
-
2014
- 2014-10-20 CN CN201410556435.4A patent/CN104285977B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332608A (en) * | 1998-11-10 | 2002-01-23 | 辛根塔参与股份公司 | Herbicidal composition |
| CN103749440A (en) * | 2006-05-03 | 2014-04-30 | 美国陶氏益农公司 | Method to reduce spray drift during application of pesticides and crop protection agents |
| CN103262842A (en) * | 2013-05-29 | 2013-08-28 | 联保作物科技有限公司 | Weeding composition and preparation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104285977B (en) | 2016-06-15 |
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