CN104604900A - Weeding composition containing dicamba and pyridate, and application thereof - Google Patents
Weeding composition containing dicamba and pyridate, and application thereof Download PDFInfo
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- CN104604900A CN104604900A CN201310539306.XA CN201310539306A CN104604900A CN 104604900 A CN104604900 A CN 104604900A CN 201310539306 A CN201310539306 A CN 201310539306A CN 104604900 A CN104604900 A CN 104604900A
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- pyridate
- dicamba
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Abstract
The invention discloses a weeding composition containing dicamba and pyridate, and an application thereof. Effective components of the weeding composition comprise dicamba and pyridate, and a mass ratio of dicamba to pyridate is 1-60:1-60. The weeding composition can be used for rice field post-emergence weeding, and especially has a substantial control effect on broad leaf weeds and some grassy weeds in the rice field. Compared with single doses, the weeding composition has the advantages of drug effect improvement, weed resistance delaying, broad weeding spectrum, long persistent period, and safety to rice and later 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 dicamba and pyridate, this Herbicidal combinations can be applicable to paddy field postemergence weed control.
Background technology
Dicamba, has another name called wheat straw prestige; Dicamba.The chloro-O-Anisic Acid of chemical name: 3,6-bis-, structural formula is:
Dicamba belongs to hormone herbicide.There is Uptake and translocation effect, have remarkable preventive effect to annual and perennial broadleaf weed.Dicamba is used for spraying after seedling, and medicament very soon by the leaf of weeds, stem, root absorption, can be conducted by phloem and xylem up and down, focuses mostly at meristematic tissue and the vigorous position of metabolic activity, hinders the normal activity of plant hormone, thus make it dead.Namely there will be lopsided curling symptom with rear general 24h broad leaved weed, 15 ~ 20d is dead.
Pyridate, has another name called agriculture and must eliminate grass, reach careless stopping, for grass is fast, broad-leaved is withered, even reach Crane, chemical name: 6-chloro-3-phenyl pyridazine-4-base-S-octylsulfo carbonic ester, genus dithiocarbamate herbicide, structural formula:
Pyridate is optionally herbicide after seedling, has blade face contact toxicity, is absorbed rapidly after cauline leaf process by blade, hinder photosynthetic Hill reaction, grass cutting blade is turned yellow and stops growing, final withered lethal.Be applicable to the cereal crops such as wheat, paddy rice, corn and prevent and kill off broad leaved weed, had preventive effect good to clearvers, Amaranthus retroflexus and some undergraduate course weeds especially.Dispenser should not too early or excessively late, and dispenser should rest in weeds and occur early stage period, and when broad leaved weed all sprouts, dispenser is ideal.
Current herbicide for paddy field 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 paddy field weed 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.Therefore, the present invention selects herbicide to compose different, be made into mixture after the dicamba of pluses and minuses complementation and pyridate two kinds of suitable decrements of weed killer herbicide to use, so both expand herbicide spectrum, significantly improve herbicidal effect, it also avoid and poisoning and the possibility to succession crop generation residual hazard are produced to this season crop.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations containing dicamba and pyridate.
Another object of the present invention is to provide the application of this Herbicidal combinations in agent for removing grass in paddy field.
A kind of Herbicidal combinations containing dicamba and pyridate, it is characterized in that this Herbicidal combinations with dicamba and pyridate for active ingredient, the mass ratio of dicamba and pyridate is 1 ~ 60:1 ~ 60, preferably 1 ~ 60:1 ~ 30, preferably 29 ~ 60:1 ~ 5, most preferably 12 ~ 59:1 further.
In Herbicidal combinations, both dicamba and the pyridate mass percentage in Herbicidal combinations is 1 ~ 80%, and preferred mass percentage composition is 10 ~ 65%, and further preferred mass percentage composition is 30 ~ 65%.
In the binary built composition of dicamba of the present invention and pyridate, except dicamba and pyridate active ingredient, 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 into missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule, wetting powder etc.
Herbicidal combinations of the present invention can be applied in paddy field postemergence weed control, particularly has remarkable result preventing and kill off in paddy field 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.Pyridate is broad spectrum weeding agent, and for preventing and kill off annual broadleaf weed and some grassy weed, dicamba is the weed killer herbicide preventing and kill off broad leaved weed.After both mixing, the control to multiple grassy weed and broad leaved weed can be improved.
3, Weed Resistance is delayed.Herbicidal combinations of the present invention, by binary built, reduces weeds to the resistance of medicament, and improves the preventive effect of antagonism weeds, thus extend the service life of medicament.
4, 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 paddy rice and succession crop.
Herbicidal combinations of the present invention, is applied to paddy field postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in paddy field, under the prerequisite that improve drug effect, all has safety to paddy rice and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the weed killer herbicide for the preparation of paddy field postemergence weed control, particularly applies in for the preparation of the weed killer herbicide preventing and kill off grass family and broad leaved weed in paddy field.
Embodiment
Embodiment 1
Dicamba 34%, pyridate 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, dimethylbenzene to 100%, formulation method is conveniently mixed with the missible oil that mass percentage is 35%.
Embodiment 2
Dicamba 29%, pyridate 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 30%.
Embodiment 3
Dicamba 59%, pyridate 1%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 60%.
Embodiment 4
Dicamba 60%, pyridate 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 65%.
Embodiment 5
Dicamba 3%, pyridate 12%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water to 100%, formulation method is conveniently mixed with the aqueous emulsion that mass percentage is 15%.
Embodiment 6
Dicamba 1%, pyridate 9%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water to 100%, formulation method is conveniently mixed with the microemulsion that mass percentage is 10%.
Embodiment 7
Dicamba 10%, pyridate 50%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 60%.
Embodiment 8
Dicamba 20%, pyridate 31%, methyl naphthalene sulfonate formaldehyde condensate 6%, polyoxyethylene nonylphenol ether 3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, and formulation method is conveniently mixed with the suspending agent that mass percentage is 51%.
Embodiment 9
Dicamba 19%, pyridate 60%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 79%.
Embodiment 10
Dicamba 5%, pyridate 5%, NNO(di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, wooden sodium iodate 4%, kaolin to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 10%.
Embodiment 11
1), toxicity determination test
Utilize the preparation in embodiment 1 ~ 4, measure its co-toxicity coefficient to corn field common weed dayflower.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative dayflower, sows 10 ~ 15 seeds in every glass, cultivates in illumination box, when dayflower 3 ~ 6 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 100, and show that two kinds of active principles have synergistic effect, co-toxicity coefficient is less than 100, 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 100, 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:
48% dicamba aqueous solution (commercially available), 45% pyridate can wet-milling (commercially available).
For studying thing: paddy rice
Rice seedlings grows fine, robust plant, without other damage by disease and insect.
Prevent and kill off object:
The weeds such as barnyard grass, green foxtail, lady's-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 20d after 2(medicine) and table 3(medicine after 40d)
Table 2 field control effectiveness test result (after medicine 20d)
Table 3 field control effectiveness test result (after medicine 40d)
Consumption in table 2 and table 3 is effective ingredient consumption.
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
| Treatment agent | Rice seedlings survival rate (%) |
| 3d after medicine | 7d after medicine | 10d after medicine | 15d after medicine | |
| Embodiment 1 | 100 | 100 | 100 | 100 |
| Embodiment 2 | 100 | 100 | 100 | 100 |
| Embodiment 3 | 100 | 100 | 100 | 100 |
| Embodiment 4 | 100 | 100 | 100 | 100 |
| 45% pyridate can wet-milling | 100 | 100 | 100 | 100 |
| 48% dicamba aqueous solution | 100 | 100 | 100 | 100 |
| Clear water contrasts | 100 | 100 | 100 | 100 |
In each process community, the rice is doing well, has no any medicine spot, illustrates that various medicament is all safe to paddy rice.
Claims (9)
1., containing a Herbicidal combinations for dicamba and pyridate, it is characterized in that this Herbicidal combinations with dicamba and pyridate for active ingredient, wherein, the mass ratio of dicamba and pyridate is 1 ~ 60:1 ~ 60.
2. the Herbicidal combinations containing dicamba and pyridate according to claim 1, is characterized in that the mass ratio of dicamba and pyridate in this Herbicidal combinations is 1 ~ 60:1 ~ 30.
3. the Herbicidal combinations containing dicamba and pyridate according to claim 2, is characterized in that the mass ratio of dicamba and pyridate in this Herbicidal combinations is 29 ~ 60:1 ~ 5, preferably 12 ~ 59:1.
4., according to the Herbicidal combinations in claims 1 to 3 described in any one, it is characterized in that both dicamba and the pyridate mass percentage in Herbicidal combinations is 1 ~ 80%.
5. Herbicidal combinations according to claim 4, is characterized in that both dicamba and the pyridate mass percentage in Herbicidal combinations is 10 ~ 65%, preferably 30 ~ 65%.
6. Herbicidal combinations according to claim 1, is characterized in that it with dicamba and pyridate for the auxiliary agent that active ingredient and agricultural chemicals allow is mixed with any one formulation.
7. Herbicidal combinations according to claim 6, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, microemulsion, water dispersion granule or wetting powder.
8. the application of Herbicidal combinations according to claim 1 in the weed killer herbicide for the preparation of paddy field postemergence weed control.
9. Herbicidal combinations according to claim 1 is for the preparation of the application of preventing and kill off in the weed killer herbicide of broad leaved weed and some grassy weed in paddy field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310539306.XA CN104604900B (en) | 2013-11-04 | 2013-11-04 | A kind of Herbicidal combinations and application thereof containing Mediben and pyridate |
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| CN201310539306.XA CN104604900B (en) | 2013-11-04 | 2013-11-04 | A kind of Herbicidal combinations and application thereof containing Mediben and pyridate |
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| CN104604900A true CN104604900A (en) | 2015-05-13 |
| CN104604900B CN104604900B (en) | 2016-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561668A (en) * | 2016-11-09 | 2017-04-19 | 徐州得铸生物科技有限公司 | Composite weed killer with pyridaben |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027953A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Synergistic herbicidal composition containing cyhalofop-butyl and pyridate and application thereof |
| CN102838483A (en) * | 2012-09-20 | 2012-12-26 | 山东潍坊润丰化工有限公司 | Synthesis method of dicamba |
| CN102907451A (en) * | 2012-11-19 | 2013-02-06 | 江苏扬农化工股份有限公司 | Compound herbicide composition containing dicamba and application thereof |
| CN103039490A (en) * | 2012-12-26 | 2013-04-17 | 山东滨农科技有限公司 | Weeding composite containing fentrazamide and pyridate |
-
2013
- 2013-11-04 CN CN201310539306.XA patent/CN104604900B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027953A (en) * | 2009-09-28 | 2011-04-27 | 南京华洲药业有限公司 | Synergistic herbicidal composition containing cyhalofop-butyl and pyridate and application thereof |
| CN102838483A (en) * | 2012-09-20 | 2012-12-26 | 山东潍坊润丰化工有限公司 | Synthesis method of dicamba |
| CN102907451A (en) * | 2012-11-19 | 2013-02-06 | 江苏扬农化工股份有限公司 | Compound herbicide composition containing dicamba and application thereof |
| CN103039490A (en) * | 2012-12-26 | 2013-04-17 | 山东滨农科技有限公司 | Weeding composite containing fentrazamide and pyridate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561668A (en) * | 2016-11-09 | 2017-04-19 | 徐州得铸生物科技有限公司 | Composite weed killer with pyridaben |
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Effective date of registration: 20180521 Address after: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Co-patentee after: Nanjing Redsun Co., Ltd. Patentee after: Nanjing Huazhou Pharmaceutical Co., Ltd. Address before: 211318 Dongfeng Road 8, Yalong Town, Gaochun, Nanjing, Jiangsu Patentee before: Nanjing Huazhou Pharmaceutical Co., Ltd. |
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