CN105766971A - Mixed herbicide containing flazasulfuron, pendimethalin, and flumetsulam, and applications thereof - Google Patents

Mixed herbicide containing flazasulfuron, pendimethalin, and flumetsulam, and applications thereof Download PDF

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Publication number
CN105766971A
CN105766971A CN201410828540.9A CN201410828540A CN105766971A CN 105766971 A CN105766971 A CN 105766971A CN 201410828540 A CN201410828540 A CN 201410828540A CN 105766971 A CN105766971 A CN 105766971A
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flumetsulam
pendimethalin
flazasulfuron
herbicide
mixed herbicide
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CN201410828540.9A
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CN105766971B (en
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韦琛鸿
彭永强
郭崇友
张宝俊
高瑞花
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Nanjing pengshun Chemical Co., Ltd
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Nanjing Huazhou Pharmaceutical Co Ltd
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Abstract

The invention discloses a mixed herbicide containing flazasulfuron, pendimethalin, and flumetsulam at a mass ratio of 0.1-80:0.1-80:0.1-80, and applications thereof. Flazasulfuron, pendimethalin, and flumetsulam are taken as the main active ingredients of the mixed herbicide. The invention also discloses applications of the mixed herbicide in lawn weeding, and effect in controlling of grassy weed, cyperaceous weed, and broadleaf weed is especially excellent. Compared with single ingredients, the mixed herbicide possesses following advantages: drug effect of the mixed herbicide is better than that of single ingredients, generation of weed resistance is delayed, weed control spectrum is wide, effect lasting period is long, and the mixed herbicide is safe to lawn.

Description

Mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam and application thereof
Technical field
The invention belongs to technical field of pesticide, relate to a kind of herbicide, be specifically related to a kind of flazasulfuron, Pendimethalin mixes built agent with the ternary of Flumetsulam, before this herbicidal composition can be applicable to lawn Seedling, postemergence weed control.
Background technology
Along with the quickening of Urbanization in China, the lifting of urban afforestation standard and increasing substantially of urban size, arising at the historic moment in various lawns, has caused the great demand to lawn, and Development of Turf has good business opportunity.Firm, the aesthetic in infrastructure such as guarantee highway, railway, airport, reservoir, riverbank, Hu Di, lawn is important auxiliary equipment;In urban construction, afforestation, lawn can be substantially improved living environment, effectively reduce " tropical island effect " in city.The area of green grassland, quality reflect The Surroundings in Cities quality and civilization degree.The city of some developed countries such as U.S., European Union especially using Lawn Industry as this country's one of pillar industry.At present, the Lawn Industry of China has large development, but not yet forms complete integrated industrial system.Lawn is beautified and is improved in China's urban construction, living environment in the spiritual civilization level of the people and plays key player, and it not only has significantly high economic benefit, and has huge ecological benefits and social benefit.
But, owing to operation and management is improper, there is Quality Down in a lot of lawns, the problems such as turfgrass is dead, weedy, pest and disease damage occur again and again, the serious use value reducing lawn and landscape value, causing substantial amounts of fund to waste, so research turf management technology, especially Kill weeds technology is to change lawn present situation and improve the important measures of ecological environment.
Artificial weeding, throwing work is big, weeding is thorough, has the disadvantage trampleing on lawn, thus reducing turf quality.Some places have to change lawn, costly.Chemical weed control saving of work and time, low-cost high-efficiency, later stage weeds generating capacity is few, this be artificial uprooting weed do not caned than.And chemical weed control also has sealing process, the weeds later newly gone out want much less.Chemical weed control is few to lawn interference, provides rational environment for Turfgrass Growth.Weeding expense is low, and an expense is the l/3-l/4 of labour cost, and the expense of a year is the 1/4-1/5 of labour cost.Labor intensity is low, and a people can spray 7-9 mu lawn every day, and machine nebulization efficiency is higher, has large area weeding advantage.In order to reduce the economic loss that crop smothering causes, reducing labor intensity, simultaneously also because chemical weed control is convenient, quick-acting, it is long to control the time, chemical weed control is accepted by people gradually.
Flazasulfuron (flazasulfuron), is the sulfonylurea herbicide being originated in the exploitation of industry chemical company by Japan's stone.Chemical name 1-(4,6-dimethoxypyridin-2-base)-3-(3-trifluoromethyl-2-pyridine sulfonyl sulfonyl) urea, its structural representation is as follows:
Acetolactate synthestase (ALS) inhibitor.The main reaction suppressing to produce the predecessor acetolactate synthestase of side chain amino acid, leucine, isoleucine and valine.This medicament broad weed-killing spectrum, annual broad-leaved and grassy weed in Weeds in Turf that can not only be fabulous, and perennial broadleaf weed and sedge weed can also be prevented and kill off, such as Herba Digitariae, barnyard grass, Herba Eleusines Indicae, annual bluegrass, amur foxtail, Herba Setariae Viridis, Rhizoma Cyperi, Herba Kyllingae, cyperus iria, Herba Cyperi Difformis, Alternanthera philoxeroides, Conyza canadensis (L.) Cronq., T.repens, it is recklessly appropriate, Cerastium caespitosum Gilib., Herba Oxalidis Corniculatae, Herba Viciae Hirsutae, pale reddish brown order place, Herba Kummerowiae Striatae, pale persicaria, Radix Rumicis Japonici, class Radix seu Caulis Parthenocissi tricuspidatae, Big Semen Plantaginis, Radix Artemisia ordosicae, Herba Malvastri Coromandeliani, green Herba Amaranthi tricoloris, Herba Capsellae, Herba Lamii Amplexicaulis, common vetch, Herba stellariae mediae etc., to short leaf Herba Kyllingae, Herba Digitariae and Rhizoma Cyperi preventive effect are splendid.
Generally, after process, weeds stop growing immediately, the leaf chlorisis newly sent after absorbing 4-5 days, then downright bad gradually and to spread to 20-30 days weeds of whole plant thoroughly withered.This medicament can be absorbed by weeds stem and leaf, can suppress again suppressing weed seed germination in soil, controls the time longer, and the lasting period is about more than 40 days in spring and summer, and autumn and winter is more than 120 days.
Flazasulfuron is the herbicides special that first, China is formally registered on warm-season turf (Korea lawn grass class and Bermuda grass class).Medicament can be decomposed, be converted into innocuous substance rapidly after contacting medicament with Bermuda grass class turfgrass by Korea lawn grass, without influence on the normal growth on lawn, turfgrass safety is high.Use at lawn rest period, without influence on germination in the future and growth.It is widely used in greening lawn, golf course etc..
Pendimethalin (pendimethalin), trade name weeding is led to, and is the phenyl amines herbicide developed by BASF Corp.Chemical name: N-1-(ethyl propyl) 2,6-dinitro-3,4-dimethylaniline.Its structural formula is as follows:
Pendimethalin is meristem cell division inhibitor, mainly suppresses meristem cell division, does not affect the sprouting of weed seed, but works after plumelet, stem and root absorption medicament in suppressing weed seed germination process.Dicotyledon absorption site is hypocotyl, and monocotyledon is plumelet, and its damage symptoms is that plumelet and secondary root are suppressed, and ultimately results in death.Mainly prevent and kill off annual gramineae and some annual broadleaf weed.As: Herba Digitariae, Herba Eleusines Indicae, barnyard grass, annual bluegrass, multitude, Herba Portulacae, Amaranthus retroflexus, Herba Plantaginis, Herba Sonchi Arvensis, amur foxtail, Herba Galii Teneri, Herba Setariae Viridis, stem knotweed, Herba stellariae mediae, Fructus Kochiae, dried tuber, Herba Lamii Amplexicaulis, Herba Cyperi Difformis etc..
Flumetsulam (Flumetsulam), the triazolopyrimidine sulfonamides herbicide of Shi You road agricultural sciences (DowAgroscience) company exploitation.Chemical name: 2', 6'-bis-fluoro-5-methyl (1,2,4)-triazol (1,5-a) pyrimidine its structural representation of-2-sulfonanilide is as follows:
Flumetsulam is typical inhibitor of acetolactate synthetase.By suppressing the synthesis of branched-chain amino acid to make protein synthesis be obstructed, plant stops growing, finally dead.Flumetsulam has very strong Uptake and translocation, starts to damage symptoms occur from plant absorption medicament until Plant death is one compares process slowly.Weeds absorb the symptom after medicament: in blade, arteries and veins chlorosis, vein and blade tip fade, by lobus cardiacus HUANGBAI(sic), purpleization, internode shorten, terminal bud death, the death of final Herb.
Flumetsulam is a kind of broad spectrum weeding agent.Longevity of residure length, broad weed-killing spectrum, soil, stem and leaf process.Most of annual and perennial broadleaf weed can be prevented and kill off, children grassy weed in age also there is inhibitory action, as Herba Abutili, Herba chenopodii, Herba stellariae mediae, tattooing are harvested, Herba Galii Teneri, Mandala, Amaranthus retroflexus, pineapple weed, the preventive effect such as corn radish excellent, to knotweed, Fructus Kochiae, Herba Solani Nigri, Herba lamii barbati, Herba veronicae, the multiple cruciferous weeds such as Herba hibisci trioni, Herba Xanthii and elegance and talent dish, Thalaspi arvense L. also have significant preventive effect, and Herba Setariae Viridis, Chufa are had good activity.
Current lawn herbicide is limit by safety, herbicide spectrum is also limited, it is used alone a kind of herbicide single dose and can not control the generation of turf weed completely effectively, furthermore some herbicide all easily causes residual hazard owing to water solublity is big or the field lasting period is oversize, consumption is excessive or dispenser is uneven.Therefore, the present invention selects herbicide spectrum difference, it is made into mixture after the flazasulfuron of pluses and minuses complementation, Pendimethalin and three kinds of suitable decrements of herbicide of Flumetsulam to use, so both expand herbicide spectrum, significantly improve herbicidal effect, it also avoid the probability that lawn is produced poisoning and residual hazard.
Summary of the invention
It is an object of the invention to provide a kind of mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam.
It is a further object of the present invention to provide the application before the Seedling of lawn and/or in postemergence weed control of this herbicide.
A kind of mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam, it is characterized in that this herbicide is with flazasulfuron, Pendimethalin and Flumetsulam for principle active component, the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 0.1~80:0.1~80:0.1~80.The mass ratio of preferred flazasulfuron, Pendimethalin and Flumetsulam is 1~70:1~60:1~60, it is preferred that the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 1~5:1~60:1~25, it is most preferred that the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 1:1:18,3:2:25,5:4:1 or 3:60:2.
In mixed herbicide, flazasulfuron, Pendimethalin and Flumetsulam three weight/mass percentage composition in herbicide are 1~85%, it is preferable that weight/mass percentage composition is 10~80%, it is most preferred that weight/mass percentage composition is 10~65%.
In the ternary built preparation of the flazasulfuron of the present invention, Pendimethalin and Flumetsulam, except the effective ingredient such as flazasulfuron, Pendimethalin and Flumetsulam, it is also possible to add any one dosage form that the auxiliary agents such as the conventional surfactants, thickening agent, solvent or the solid packing that allow on pesticidal preparations are configured on pesticide to allow.Preferably it is processed into suspending agent, wettable powder, water dispersion granule, cream, microcapsule.
Mixed herbicide of the present invention can be applied before the Seedling of lawn, in postemergence weed control, and particularly in Weeds in Turf, in various grass family, Cyperaceae and broad leaved weed, application has remarkable result.
The herbicidal composition of the present invention has the advantage that
1, activity of weeding is high.Flazasulfuron and Flumetsulam are all inhibitor of acetolactate synthetase.Absorb mainly through root and stem and be sent to separate living tissue by conducting tissue, it is suppressed that the biosynthesis of branched-chain amino acid (such as serine, isoleucine).Pendimethalin is mainly to suppress meristem cell division, does not affect the sprouting of weed seed, but works after plumelet, stem and root absorption medicament in suppressing weed seed germination process.It is to say, the herbicidal composition of the present invention can kill weeds by three kinds of different approaches, it is possible to be greatly enhanced the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.After flazasulfuron, Pendimethalin mix with Flumetsulam three, action compensating, herbicidal spectrum is wider, and flazasulfuron is mainly effective to broad leaved weed and sedge weed, and can spread pesticide-clay mixture or spraying;Pendimethalin except to some broad leaved weed effectively except, grassy weed is also had good effect, and before Seedling, Miao Houjun can use.And Flumetsulam can prevent and kill off most of annual and perennial broadleaf weed, children grassy weed in age also being had inhibitory action, soil, stem and leaf process.So the herbicide of the present invention has the dual function in foliar treatment and feud, extend the lasting period of medicament.
3, Weed Resistance is delayed.Owing to sulfonylurea herbicide is easily produced resistance by weeds, and the herbicide of the present invention contains Pendimethalin and the triazolopyrimidine sulfonamides herbicide Flumetsulam of dinitroaniline, enable medicament effectively anti-except the weeds of anti-sulfonylurea, in addition, reduce resistance weed, extend the service life of medicament.
4, safety is high.The herbicidal composition of the present invention, is applied to Kill weeds, its can various grass family, Cyperaceae and broad leaved weed in Weeds in Turf, under the premise that improve drug effect, lawn is had safety.
Therefore, mixed herbicide of the present invention can be applied in the herbicide prepare Kill weeds, particularly applies in the herbicide of various grass family, Cyperaceae and broad leaved weed in preparing Weeds in Turf.
Detailed description of the invention
Embodiment 1
Flazasulfuron 1%, Pendimethalin 1%, Flumetsulam 18%, alkylphenol polyoxyethylene 4%, polyoxyethylene polyoxy propylene block compound 5%, thickening agent 2%, vegetable oil adds to 100%, and formulation method conventionally is configured to the suspending agent that weight/mass percentage composition is 20%.
Embodiment 2
Flazasulfuron 3%, Pendimethalin 2%, Flumetsulam 25%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate adds to 100%, and formulation method conventionally is configured to the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3
Flazasulfuron 5%, Pendimethalin 4%, Flumetsulam 1%, sodium lignin sulfonate 7%, dodecylbenzene sodium sulfonate 5%, ammonium sulfate 5%, kieselguhr complements to 100%, and formulation method conventionally is configured to the water dispersion granule that weight/mass percentage composition is 10%.
Embodiment 4
Flazasulfuron 3%, Pendimethalin 60%, Flumetsulam 2%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate 5%, white carbon 9%, Kaolin complements to 100%, and formulation method conventionally is configured to the wettable powder that weight/mass percentage composition is 65%.
Embodiment 5
Flazasulfuron 70%, Pendimethalin 5%, Flumetsulam 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, sodium lignin sulfonate 4%, white carbon 5%, Kaolin complements to 100%, and formulation method conventionally is configured to the wettable powder that weight/mass percentage composition is 80%.
Embodiment 6
Flazasulfuron 10%, Pendimethalin 10%, Flumetsulam 60%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 9%, alkylphenol polyoxyethylene 5%, sodium lignin sulfonate adds to 100%, and formulation method conventionally is configured to the cream that weight/mass percentage composition is 80%.
Embodiment 7
1), toxicity determination test
Utilize the preparation in embodiment 1~4, measure its co-toxicity coefficient to lawn common weed Herba stellariae mediae.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative Herba stellariae mediae, sows 10~15 seeds, cultivates, when Herba stellariae mediae 3~6 leaf phase, make to carry out on composition spray spraying process in crawler type in illumination box in every glass.Continuing 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, by the method that the nineteen sixties such as Sun Yunpei propose, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 120, it was shown that three kinds of active substance have potentiation, and co-toxicity coefficient is less than 120, it was shown that three kinds of active substance 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 three kinds of active substance are composite both is greater than 120, illustrates that the present invention has obvious potentiation.
2), field control effectiveness test
Reagent agent:
4 kinds of ternary built herbicides in embodiment 1~4.
Comparison medicament:
25% flazasulfuron water dispersible granules (commercially available), 30% Pendimethalin suspending agent (commercially available), 80% Flumetsulam water dispersible granules (commercially available).
For examination lawn: Bermuda grass
Bermuda grass was 3~5 leaf phases, grew fine, robust plant, without other pest and disease damages.
Prevent and kill off object:
The lawn gesture weeds such as Rhizoma Alismatis, dried tuber, Herba Marsileae Quadrifoliae, Herba potamogetonis distincti, Rhizoma sagittariae sagittifoliae, Herba Cyperi Difformis, Herba stellariae mediae, Herba Digitariae, Herba Setariae Viridis, barnyard grass, Herba Eleusines Indicae.
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 herbicide is special.During spraying, it should be noted that uniformly sprayed application in experimental plot by medicinal liquid, accomplish the phenomenon not having drain spray, many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and compare the activity of weeding of various medicaments.Additionally, also to observe the growing state on lawn after medicine in 1~15d, to investigate medicament to whether lawn has poisoning.
Embodiments of the invention preparation Herbicidal Testing Trials effect is shown in table 2 below (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)
It can be seen that grassy weed, sedge weed and broad leaved weed are all had a significant preventive effect by the present invention from table 2 and table 3, building performance significantly, and the lasting period is long.
Table 4 medicament security survey result to lawn
Growing fine in each lawn processed in community, has no any medicine speckle, illustrate that various medicament is all safe to lawn.

Claims (10)

1. the mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam, it is characterized in that this herbicide is with flazasulfuron, Pendimethalin and Flumetsulam for principle active component, the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 0.1~80:0.1~80:0.1~80.
2. the mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam according to claim 1, it is characterised in that in this herbicide, the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 1~70:1~60:1~60.
3. the mixed herbicide containing flazasulfuron, Pendimethalin and Flumetsulam according to claim 1, it is characterised in that in this herbicide, the mass ratio of flazasulfuron, Pendimethalin and Flumetsulam is 1~5:1~60:1~25.
4. the mixed herbicide according to claim 1,2 or 3, it is characterised in that flazasulfuron, Pendimethalin and Flumetsulam three weight/mass percentage composition in herbicide are 1~85%.
5. the mixed herbicide according to claim 4, it is characterised in that flazasulfuron, Pendimethalin and Flumetsulam three weight/mass percentage composition in herbicide are 10~80%.
6. the mixed herbicide according to claim 1,2 or 3, it is characterised in that flazasulfuron, Pendimethalin and Flumetsulam three weight/mass percentage composition in herbicide are 10~65%.
7. the mixed herbicide according to claim 1,2 or 3, it is characterised in that the auxiliary agent that it allows with flazasulfuron, Pendimethalin and Flumetsulam for principle active component and pesticide is configured to any one dosage form.
8. the mixed herbicide according to claim 7, it is characterised in that described dosage form is suspending agent, wettable powder, water dispersible granules, cream.
9. the application before the Seedling of lawn and/or in postemergence weed control of the mixed herbicide described in claim 1,2 or 3.
10. the application in various grass family, Cyperaceae and broad leaved weed in Weeds in Turf of the mixed herbicide described in claim 1,2 or 3.
CN201410828540.9A 2014-12-26 2014-12-26 Mixed herbicide and application thereof containing flazasulfuron, Pendimethalin and Flumetsulam Active CN105766971B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5830827A (en) * 1995-09-21 1998-11-03 Ishihara Sangyo Kaisha, Ltd. Granular herbicidal composition comprising flazasulfuron and a sulfosuccinate or benzoate stabilizer
JP2012017319A (en) * 2010-06-10 2012-01-26 Ishihara Sangyo Kaisha Ltd Herbicidal composition
CN103596437A (en) * 2011-04-11 2014-02-19 石原产业株式会社 Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5830827A (en) * 1995-09-21 1998-11-03 Ishihara Sangyo Kaisha, Ltd. Granular herbicidal composition comprising flazasulfuron and a sulfosuccinate or benzoate stabilizer
JP2012017319A (en) * 2010-06-10 2012-01-26 Ishihara Sangyo Kaisha Ltd Herbicidal composition
CN103596437A (en) * 2011-04-11 2014-02-19 石原产业株式会社 Herbicidal composition comprising flazasulfuron and an inhibitor of protoporphyrinogen oxidase

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