CN1613310A - Herbicidal composition of rape field - Google Patents
Herbicidal composition of rape field Download PDFInfo
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- CN1613310A CN1613310A CN 200410073947 CN200410073947A CN1613310A CN 1613310 A CN1613310 A CN 1613310A CN 200410073947 CN200410073947 CN 200410073947 CN 200410073947 A CN200410073947 A CN 200410073947A CN 1613310 A CN1613310 A CN 1613310A
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- benazolin
- rape
- rape field
- herbicidal composition
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Abstract
A composite herbicide for rape field is prepared from high-effect haloxyfop-methyl, benazolin-ethyl, carrier, surfactant, disperser, and/or agricultural auxiliary.
Description
Technical field
The present invention relates to a kind of Herbicidal composition of rape field.
Background technology
Rape is the very big oil crop of China, and the development of herbicide used in rape field is but very slow. the rape field has part can only prevent and treat the weed killer herbicide of gramineous crop at present, seldom the weed killer herbicide of part control grass family and broad leaved weed.But its maximum drawback is exactly that promptly herbicidal effect below 10 ℃ is bad at low temperature.Rape Tian Miaohou stalk leaf weedicide medication period is exactly in winter, and temperature 80% is in below 10 ℃, and medication this moment herbicidal effect is very influenced.The invention solves these problems, not only enlarged herbicidal spectrum but also solved the herbicidal effect under the low temperature.
Summary of the invention
The problem that the present invention need solve just is to overcome the defective of prior art, provides a kind of herbicidal spectrum that can enlarge to have the good Herbicidal composition of rape field of herbicidal effect under the low temperature again.
For addressing the above problem, the present invention adopts following technical scheme:
Herbicidal composition of rape field of the present invention, it contains the efficient haloxyfop-methyl spirit of 1 part-99 parts (wt) and the benazolin of 1 part-99 parts (wt), and contains optional carrier, surfactant, dispersant and/or agricultural adjuvant.
Preferably, the present invention contains the efficient haloxyfop-methyl spirit of 1 part-30 parts (wt) and the benazolin of 1 part-75 parts (wt),
More preferably, the present invention contains the efficient haloxyfop-methyl spirit of 3 parts (wt) and the benazolin of 15 parts (wt).
More preferably, the present invention is multiple formulations such as the missible oil that is mixed with by efficient haloxyfop-methyl spirit and benazolin and corresponding adjuvants, wetting powder, water dispersant, dry suspending agent.
The active component of haloxyfop-r-methyl is the efficient haloxyfop-methyl spirit, and it is a kind of to the effective especially weed killer herbicide of the annual gramineous weed in the broad leaf crops such as soybean, peanut, cotton and rape.Dibromide, poisoning symptom promptly appears in 5 days left and right sides weeds after the dispenser.Systemic action is strong, also can play a role under the situation of arid.Control barnyard grass grass at advanced age, lady's-grass, green foxtail, wild oat, effect is better than other medicament.
Benazolin is a selectivity inner sucting conduction type bud post-treatment agent, and plant absorbs transporting to whole plant by blade, and temperature is high more, acts on fast more.To working as stubble and succession crop safety.Can effectively prevent and kill off annual broadleaf weeds such as rape, cereal, beans.Adopted name is benazolinethyl (Benazolin-ethyl); Chemical name is 4-chloro-2-oxo-benzothiazole-3-guanidine-acetic acid ethyl ester; Its physicochemical property is: pure product are white or faint yellow crystalline solid, 79.2 ℃ of fusing points; Former medicine vapour pressure (20 ℃): 3.7 * 10-4Pa.Water-soluble hardly, solvability (g/L, 20 ℃), water 4.7 * 10-2, acetone 229, carrene 603, ethyl acetate 148, methyl alcohol 28.5, toluene 198.Stable in neutrality and the acid solution.In water, do not have obviously under the sunlight and decompose.Controlling object is rape field annual broadleaf weed, particularly rape Tanaka's chickweed, clearvers, oily leaf mustard etc.Can with other herbicide mixtures, prevent and kill off the multiple broad leaved weed in the Dry crop fields such as rape field, cereal, cotton, soybean, clover, flax.
The present invention is composite with both, mixes mutually as cream preparation, can give play to the comprehensive advantage of two kinds of spices.Prevent and kill off rape field weed, the grass that kills that enlarges each active ingredient is composed, is improved control efficiency, reduces dosage, reduces cost, makes things convenient for the peasant to use, thereby has solved serious day by day rape field weed harm problem.
The direct-sowing rape 6-8 leaf phase of the present invention, weeds 2-3 leaf phase medication after turning green in the transplanting rape field.100 milliliters of the present invention of mu.
Advantage of the present invention:
1, is lower than below 10 ℃ in temperature, the various weeds in rape field are still had good herbicidal effect.
2, can effectively prevent and kill off rape field grassy weed and broad leaved weed.
The present invention can not be used for juncea, rape type rape field.
Embodiment
Get content and be the former medicine of haloxyfop-r-methyl (calling former medicine A in the following text) that The Dow Agrosciences, LLC. of 95% produces, its active component is the efficient haloxyfop-methyl spirit, with content be the benazolin (calling former medicine B in the following text) that 95% Bayer crop science company produces, same corresponding adjuvants, with processing 1000kg preparation is example, and non-limiting examples is described below:
Embodiment 1 wetting powder (WP)
Active ingredient is 1-80%, surfactant 1-20%, and surplus is filler, obtains through mixing grinding and processing, fineness meets the spraying requirement, is generally 325 orders.
1, get former medicine A90kg, former medicine B10kg, auxiliary agent 40kg, filler 860kg, the missible oil of 1000gk10%.
2, get former medicine A170kg, former medicine B30kg, auxiliary agent 60kg, filler 740kg, the wetting powder of 1000gk20%.
3, get former medicine A30kg, former medicine B150kg, auxiliary agent 60kg, filler 760kg, the wetting powder of 1000gk30%.
Embodiment 2 water dispersible granules (WDG)
Active ingredient 10-85%, wetting agent 0.1-10%, disintegrant 0.1-20%, dispersant and adhesive 5-30%, interleaving agent 0.1-5%, carrier 1-40% forms through granulation by being mixed with prerequisite.Disintegration, dispersion, performance symbol sensation level such as wetting.
4, get former medicine A500kg, former medicine B50kg, wetting agent 30kg, disintegrant 30kg, dispersant and adhesive 30kg, interleaving agent 10kg, carrier 350kg gets 1000kg55%WDG.
Embodiment 3 dry suspending agents (DF).
Active ingredient 10-85%, wetting agent 0.1-10%, disintegrant 0.1-20%, dispersant and adhesive 5-30%.Performances such as granularity, suspending agent, dispersant, stabilizing agent comply with the national standard requirements.
5, get former medicine A400kg, former medicine B50kg, wetting agent 30kg, disintegrant 30kg, dispersant and adhesive 30kg, carrier 450kg gets 1000kg45%DF.
The prescription field test effect
Test is handled:
(1)A????15g/ha
(2)B????150g/ha
(3)A+B??15g/ha+150g/ha
(4)A+B??7.5g/ha+75g/ha
(5)A+B??10.5g/ha+60g/ha
(6)A+B??7.5g/ha+37.5g/ha
(7)A+B??7.5g/ha+112.5g/ha
(8)A+B??4.5g/ha+75g/ha
(9)A+B??10.5g/ha+75g/ha
(10) blank CK
More than every processing 4 times repeatedly, every sub-district area 20m repeatedly
2District's group is arranged at random, rape 6-8 leaf phase dispenser.Result of the test shows, shows the rape field weed preventive effect more satisfactoryly after spirit of effective constituents A efficient haloxyfop-methyl and active ingredient B benazolin are mixed, and compares with single agent, improved activity of weeding, enlarged and killed grass spectrum, reduction dosage.
| Handle | Amur foxtail | Clearvers | Chickweed | The barnyard grass grass | Comprehensively |
| ??(1) | ????22.4 | ????64.1 | ????96.4 | ????96.1 | ????56.3 |
| ??(2) | ????85.5 | ????87.8 | ????96.1 | ????87.7 | ????87.7 |
| ??(3) | ????89.0 | ????99.5 | ????96.7 | ????100 | ????94.8 |
| ??(4) | ????77.0 | ????87.6 | ????95.2 | ????93.6 | ????85.1 |
| ??(5) | ????79.4 | ????89.3 | ????95.2 | ????95 | ????96.8 |
| ??(6) | ????28.3 | ????38.1 | ????79.0 | ????76.7 | ????46.4 |
| ??(7) | ????80.8 | ????88.6 | ????94.9 | ????88.0 | ????87.3 |
| ??(8) | ????69.1 | ????87.0 | ????89.9 | ????100 | ????79.8 |
| ??(9) | ????79.7 | ????86.9 | ????97.6 | ????95.3 | ????87.7 |
| ??(10) | ????0 | ????0 | ????0 | ????0 | ????0 |
Claims (4)
1, a kind of Herbicidal composition of rape field is characterized in that it contains the efficient haloxyfop-methyl spirit of 1 part-99 parts (wt) and the benazolin of 1 part-99 parts (wt), and contains optional carrier, surfactant, dispersant and/or agricultural adjuvant.
2, the described herbicidal composition of claim 1 is characterized in that it contains the efficient haloxyfop-methyl spirit of 1 part-30 parts (wt) and the benazolin of 1 part-75 parts (wt).
3, claim 1 or 2 described herbicidal compositions is characterized in that it contains the efficient haloxyfop-methyl spirit of 3 parts (wt) and the benazolin of 15 parts (wt).
4, claim 1,2 or 3 described herbicidal compositions is characterized in that it is multiple formulations such as the missible oil that is mixed with by efficient haloxyfop-methyl spirit and benazolin and corresponding adjuvants, wetting powder, water dispersant, dry suspending agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073947 CN1613310A (en) | 2004-09-17 | 2004-09-17 | Herbicidal composition of rape field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073947 CN1613310A (en) | 2004-09-17 | 2004-09-17 | Herbicidal composition of rape field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1613310A true CN1613310A (en) | 2005-05-11 |
Family
ID=34765338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410073947 Pending CN1613310A (en) | 2004-09-17 | 2004-09-17 | Herbicidal composition of rape field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1613310A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356848C (en) * | 2005-10-20 | 2007-12-26 | 北京绿色农华植保科技有限责任公司 | Composite herbicide |
| CN104186491A (en) * | 2014-08-27 | 2014-12-10 | 四川农业大学 | Bupleurum falcatum field weed control composition and agricultural chemical preparation thereof |
-
2004
- 2004-09-17 CN CN 200410073947 patent/CN1613310A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356848C (en) * | 2005-10-20 | 2007-12-26 | 北京绿色农华植保科技有限责任公司 | Composite herbicide |
| CN104186491A (en) * | 2014-08-27 | 2014-12-10 | 四川农业大学 | Bupleurum falcatum field weed control composition and agricultural chemical preparation thereof |
| CN104186491B (en) * | 2014-08-27 | 2016-03-16 | 四川农业大学 | A kind of radix bupleuri field weeding composition and pharmaceutical preparation thereof |
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