CN105360127A - Compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of compound weeding composition - Google Patents
Compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of compound weeding composition Download PDFInfo
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- CN105360127A CN105360127A CN201510435447.6A CN201510435447A CN105360127A CN 105360127 A CN105360127 A CN 105360127A CN 201510435447 A CN201510435447 A CN 201510435447A CN 105360127 A CN105360127 A CN 105360127A
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- propargyl
- pyribenzoxim
- clodinafop
- weeding composition
- compound weeding
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Abstract
The invention discloses a compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of the compound weeding composition. Clodinafop-propargyl and pyribenzoxim serve as main effective components of the compound weeding composition, the mass ratio of clodinafop-propargyl to pyribenzoxim is 1-99 to 1-99, and the mass percent of clodinafop-propargyl and pyribenzoxim in the compound weeding composition accounts for 10-80% of the total mass percent. The compound weeding composition can be used for post-seedling weeding of wheat fields, and especially has a remarkable effect on preventing and killing graminaceous weed and broad-leaved weed in the wheat fields. By means of the compound weeding composition, compared with single agents, on the premise of improving efficacy, weed resistance is delayed, a weeding spectrum is wide, the lasting period is long, and safety is achieved for wheat and succeeding crops.
Description
Technical field
The invention belongs to technical field of pesticide, especially weed killer herbicide field, be specifically related to the binary built Herbicidal combinations of a kind of clodinafop-propargyl and pyribenzoxim, this Herbicidal combinations can be applicable to wheat paddock postemergence weed control.
Background technology
Clodinafop-propargyl, has another name called top, chemical name: R-2-[4-(the chloro-3-of 5-fluoro-2-oxygen yl pyridines)-phenoxy group]-propiolic acid, belongs to phenoxy carboxylic acid herbicides, structural formula:
Clodinafop-propargyl is acetyl-CoA carboxylase (ACCase) inhibitor, Uptake and translocation weed killer herbicide, by blade and the leaf sheath absorption of plant corpus, phloem conducts, and accumulates and obtains in meristematic tissue in plant corpus, suppresses acetyl-CoA carboxylase, fatty acid is synthesized stop, the growth division of cell can not normally be carried out, and membranous system etc., containing fat structural deterioration, finally cause Plant death.Be absorbed into weeds Mortality Ratio from clodinafop-propargyl comparatively slow, generally need 1-3 week.
Pyribenzoxim, chemical name: O-(two (4, the 6-dimethoxypyridin-2-base oxygen base) benzoyl of 2,6-) oxime benzophenone; O-[two (4,6-dimethoxy-2-pyrimidine radicals) the oxygen base of 2,6-] benzoylbenzophenone oxime, belongs to sulfonylurea herbicide, structural formula:
Pyribenzoxim is acetolactate synthestase (ALS) inhibitor.Medicament by plant stem-leaf and root absorption, can conduct in plant body, suppresses the amino acid whose synthesis of sensitive plant.After susceptible weeds absorbs medicament, young shoot and root stop growing, and tender tissue such as lobus cardiacus turns to be yellow, and whole strain is withered subsequently.Weeds absorb medicament to death a process, and general annual weed 5-15d, perennial weed is longer.
Current wheat field herbicide limit by crop safety, herbicide spectrum is also limited, be used alone the generation that a kind of weed killer herbicide single dose can not control weeds of wheat completely effectively, moreover some weed killer herbicide is due to water-soluble large or the field lasting period is oversize, consumption is excessive or the uneven residual hazard all easily caused this season crop or succession crop of dispenser.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations containing clodinafop-propargyl and pyribenzoxim.
Another object of the present invention is to provide the application of this Herbicidal combinations in wheat paddock weeding.
Containing a compound weeding composition for clodinafop-propargyl and pyribenzoxim, this Herbicidal combinations is with clodinafop-propargyl and pyribenzoxim for principle active component, and wherein, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 99:1 ~ 99; Preferably in this Herbicidal combinations, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 80:1 ~ 80; In this Herbicidal combinations preferred, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 60:1 ~ 60 further; Most preferably in this Herbicidal combinations, the weight ratio of clodinafop-propargyl and pyribenzoxim is 29 ~ 60:1 ~ 5.
The compound weeding composition containing clodinafop-propargyl and pyribenzoxim described in technical solution of the present invention, wherein, both clodinafop-propargyl and the pyribenzoxim mass percentage in Herbicidal combinations is 1 ~ 80%; Both preferred clodinafop-propargyl and the pyribenzoxim mass percentage in Herbicidal combinations is 30 ~ 65%.
In the binary built composition of clodinafop-propargyl of the present invention and pyribenzoxim, except the active ingredient such as clodinafop-propargyl and pyribenzoxim, the auxiliary agents such as conventional surfactants, thickener, solvent or the solid packing that pesticidal preparations allows can also be added and be mixed with any one formulation that agricultural chemicals allows.Preferably be processed in missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule and wetting powder any one.
Aforementionedly can be applicable to the not special restriction of weeding auxiliary agent of the present invention, include, but are not limited to alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether, aluminium-magnesium silicate, dimethylbenzene, methyl naphthalene sulfonate formaldehyde condensate, polyoxyethylene nonylphenol ether, aluminium-magnesium silicate, ethylene glycol, tributyl phosphate, silicone oil, sodium metnylene bis-naphthalene sulfonate, ammonium sulfate, polyvinyl alcohol, kaolin, solvent naphtha and water etc.
Herbicidal combinations of the present invention can be applied in wheat paddock postemergence weed control, particularly has remarkable result preventing and kill off in wheat paddock application in grass family and broad leaved weed.
Herbicidal combinations of the present invention has the following advantages:
1, activity of weeding is high.Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism, makes Weed Resistance produce speed and reduces, greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Pyribenzoxim is broad spectrum weeding agent, can prevent and kill off multiple grassy weed and broad leaved weed, and clodinafop-propargyl can prevent and treat most of grassy weed.After both mixing, the control to multiple broad leaved weed and grassy weed can be improved.
3, safety is high.Because its using dosage is under control, make medicament under the prerequisite that improve drug effect, it have also been obtained raising to the safety of wheat and succession crop.
Herbicidal combinations of the present invention, is applied to wheat paddock postemergence weed control, and it can prevent and kill off various broad leaved weed and grassy weed in wheat paddock, under the prerequisite that improve drug effect, all has safety to wheat and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the weed killer herbicide for the preparation of wheat paddock postemergence weed control, particularly applies in for the preparation of the weed killer herbicide preventing and kill off grassy weed and broad leaved weed in wheat paddock.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited thereto:
Embodiment 1
Get clodinafop-propargyl 34g, pyribenzoxim 1g, alkylphenol polyoxyethylene 4g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene is to 100g, and formulation method is conveniently mixed with the missible oil that mass percentage is 35%.
Embodiment 2
Get clodinafop-propargyl 29g, pyribenzoxim 1g, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 30%.
Embodiment 3
Get clodinafop-propargyl 59g, pyribenzoxim 1g, NNO (methylene two bitter edible plant sodium sulfonate) 5g, ammonium sulfate 3g, polyvinyl alcohol 2g, kaolin is to 100g, and formulation method is conveniently mixed with the water dispersion granule that mass percentage is 60%.
Embodiment 4
Get clodinafop-propargyl 60g, pyribenzoxim 5g, NNO (methylene two bitter edible plant sodium sulfonate) 6g, sodium lignin sulfonate 4g, kaolin is to 100g, and formulation method is conveniently mixed with the wetting powder that mass percentage is 65%.
Embodiment 5
Get clodinafop-propargyl 3g, pyribenzoxim 12g, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, solvent naphtha 20g, water is to 100g, and formulation method is conveniently mixed with the aqueous emulsion that mass percentage is 15%.
Embodiment 6
Get clodinafop-propargyl 5g, pyribenzoxim 9g, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, water is to 100g, and formulation method is conveniently mixed with the microemulsion that mass percentage is 14%.
Embodiment 7
Get clodinafop-propargyl 10g, pyribenzoxim 50g, NNO (methylene two bitter edible plant sodium sulfonate) 6g, sodium lignin sulfonate 4g, kaolin is to 100g, and formulation method is conveniently mixed with the wetting powder that mass percentage is 60%.
Embodiment 8
Get clodinafop-propargyl 20g, pyribenzoxim 31g, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 51%.
Embodiment 9
Get clodinafop-propargyl 19g, pyribenzoxim 60g, NNO (methylene two bitter edible plant sodium sulfonate) 5g, ammonium sulfate 3g, polyvinyl alcohol 2g, kaolin is to 100g, and formulation method is conveniently mixed with the water dispersion granule that mass percentage is 79%.
Embodiment 10
Get clodinafop-propargyl 5g, pyribenzoxim 5g, NNO (methylene two bitter edible plant sodium sulfonate) 6g, sodium lignin sulfonate 4g, kaolin is to 100g, and formulation method is conveniently mixed with the wetting powder that mass percentage is 10%.
1), toxicity determination test
Utilize the preparation in embodiment 1 ~ 4, measure its co-toxicity coefficient to wheat paddock common weed barnyard grass.
Test method: be seeded in by the seed of quantitative barnyard grass in the high Disposable paper cup of 9cm respectively, sows 13 seeds in every glass, cultivates in illumination box, when the barnyard grass 4 leaf phase, does composition spray to carry out spraying process in crawler type.Continue in greenhouse after process to cultivate, routine observation respectively processes the preventive effect to weeds, weighs the weeds fresh weight after each process after 30d, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 120, and show that two kinds of active principles have synergistic effect, co-toxicity coefficient is less than 80, shows that two kinds of active principles have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principles are composite is all greater than 120, illustrates that the present invention has obvious synergistic effect.
2), field control effectiveness test.
Reagent agent:
4 kinds of re-compounded binary herbicides in embodiment 1 ~ 4.
Contrast medicament:
15% clodinafop-propargyl can wet-milling (commercially available), 1% pyribenzoxim missible oil (commercially available).
For studying thing: wheat
Wheat seedling grows fine, robust plant, without other damage by disease and insect.
Prevent and kill off object:
The weeds such as annual bluegrass, Bermuda grass, lamb's-quarters, amaranth, smartweed.
Test method:
According to the area of experimental plot, the good various medicament of precise, and after being watered dilution, utilize knapsack sprayer, carry out even spraying, the Fan spray head that sprinkler selection weed killer herbicide is special.During spraying, liquid be noted evenly to spray application in experimental plot, accomplish the phenomenon not having drain spray, many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and the activity of weeding of more various medicament.In addition, after medicine, the condition of production (consumption is the consumption of every mu of ground active ingredient) of crop also in 1 ~ 15d, to be observed, whether have poisoning to investigate medicament to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect sees the following form 2 (after medicine 20d) and table 3 (after medicine 40d)
Table 2 field control effectiveness test result (after medicine 20d)
Table 3 field control effectiveness test result (after medicine 40d)
As can be seen from the above table, Herbicidal combinations of the present invention has expansion herbicidal spectrum, improves the effect of activity of weeding, and extends the lasting period of medicament.
Table 4 medicament is to the security survey result of crop
Wheat in each process community grows fine, and has no any medicine spot, illustrates that various medicament is all safe to wheat.
Claims (10)
1. containing a compound weeding composition for clodinafop-propargyl and pyribenzoxim, it is characterized in that: this Herbicidal combinations is with clodinafop-propargyl and pyribenzoxim for principle active component, and wherein, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 99:1 ~ 99.
2. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 1, is characterized in that: in this Herbicidal combinations, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 80:1 ~ 80.
3. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 2, is characterized in that: in this Herbicidal combinations, the weight ratio of clodinafop-propargyl and pyribenzoxim is 1 ~ 60:1 ~ 60.
4. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 3, is characterized in that: in this Herbicidal combinations, the weight ratio of clodinafop-propargyl and pyribenzoxim is 29 ~ 60:1 ~ 5.
5. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to any one of claim 1-4, is characterized in that: both clodinafop-propargyl and the pyribenzoxim mass percentage in Herbicidal combinations is 1 ~ 80%.
6. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 5, is characterized in that: both clodinafop-propargyl and the pyribenzoxim mass percentage in Herbicidal combinations is 30 ~ 65%.
7. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 1, is characterized in that: this compound weeding composition with clodinafop-propargyl and pyribenzoxim for the auxiliary agent that principle active component and agricultural chemicals allow is mixed with any one formulation.
8. the compound weeding composition containing clodinafop-propargyl and pyribenzoxim according to claim 7, is characterized in that: described formulation is any one in missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule and wetting powder.
9. the application of Herbicidal combinations according to claim 1 in the weed killer herbicide for the preparation of wheat paddock postemergence weed control.
10. Herbicidal combinations according to claim 1 is for the preparation of the application of preventing and kill off in the weed killer herbicide of grassy weed and broad leaved weed in wheat paddock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435447.6A CN105360127A (en) | 2015-07-22 | 2015-07-22 | Compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of compound weeding composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435447.6A CN105360127A (en) | 2015-07-22 | 2015-07-22 | Compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of compound weeding composition |
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| CN105360127A true CN105360127A (en) | 2016-03-02 |
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| CN201510435447.6A Pending CN105360127A (en) | 2015-07-22 | 2015-07-22 | Compound weeding composition containing clodinafop-propargyl and pyribenzoxim and application of compound weeding composition |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001064110A (en) * | 1999-08-30 | 2001-03-13 | Nissan Chem Ind Ltd | Herbicide composition and weeding |
| CN100433977C (en) * | 2002-11-21 | 2008-11-19 | 辛根塔参与股份公司 | Herbicidal composition |
-
2015
- 2015-07-22 CN CN201510435447.6A patent/CN105360127A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001064110A (en) * | 1999-08-30 | 2001-03-13 | Nissan Chem Ind Ltd | Herbicide composition and weeding |
| CN100433977C (en) * | 2002-11-21 | 2008-11-19 | 辛根塔参与股份公司 | Herbicidal composition |
Non-Patent Citations (2)
| Title |
|---|
| 商鸿生 等: "《小麦病虫草害防治手册》", 31 January 2012, 金盾出版社 * |
| 苏少泉: "除草剂助剂及其应用", 《农药研究与应用》 * |
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