CN105935060A - Herbicidal composition containing glufosinate-ammonium and prosulfuron and applications thereof - Google Patents

Herbicidal composition containing glufosinate-ammonium and prosulfuron and applications thereof Download PDF

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Publication number
CN105935060A
CN105935060A CN201610459704.4A CN201610459704A CN105935060A CN 105935060 A CN105935060 A CN 105935060A CN 201610459704 A CN201610459704 A CN 201610459704A CN 105935060 A CN105935060 A CN 105935060A
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ammonium
glufosinate
prosulfuron
herbicidal combinations
herbicidal composition
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郭崇友
刘念江
万维肖
白杰
邢刚
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Nanjing Huazhou Pharmaceutical Co Ltd
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Nanjing Huazhou Pharmaceutical Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a herbicidal composition containing glufosinate-ammonium and prosulfuron and applications thereof. The main effective components of the herbicidal composition are glufosinate-ammonium and prosulfuron. The mass ratio of glufosinate-ammonium to prosulfuron is 1:60-60:1. The herbicidal composition can be used to kill weeds in corn fields after emergence, and has a prominent effect on killing grassy weeds and broadleaf weeds in corn fields. Compared with the effect of single component, the effect of the herbicidal composition is enhanced, the resistance of weeds is delayed, the weed removing spectrum is wide, the effect can last for a long time, and the herbicidal composition is safe for corns and after-cultured crops.

Description

The Herbicidal combinations of a kind of Glufosinate-ammoniumpesticideng and prosulfuron and application thereof
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, be specifically related to a kind of Glufosinate-ammoniumpesticideng and prosulfuron Binary built Herbicidal combinations, this Herbicidal combinations can be applicable to corn field postemergence weed control.
Background technology
Glufosinate-ammonium (Glufosinate-ammonium).Chemical name: 4-[hydroxyl (methyl) phosphono]-DL-high lactamine.
Glufosinate-ammonium has another name called grass fourth phosphine, is the organophosphorus herbicide of a kind of non-selective foliage-spray, and 1979 conspicuous by Germany First special (Hoechst) chemical company of department synthesizes exploitation.The herbicide effect mechanism of glufosinate-ammonium be absorbed by blade after, have Part systemic action, can be by blade base to end-transfer, and to other positions of plant, transfer is less, to the plumelet not being unearthed and Seed is harmless.In plant, disorder is the most i.e. sunk in ammonium metabolism, and strong cytotoxic agent ammonium ion is at plant Interior accumulation；Make dunsiekte and dead.Photosynthesis is the most heavily suppressed simultaneously, in yellow-white after plant chlorosis of being injured, 2～ Withered and yellow dying is started after 5 days.Lose activity after contact soil, only preferably make stem and leaf spraying after Seedling.
Glufosinate-ammonium is mainly used in orchard, vineyard, potato fields, nursery, forest, pasture, ornamental shrub and no-tillage goes out Nature herbiciding, prevents and kill off annual and perennial grassy weed, as amur foxtail, wild oat, Herba Digitariae, barnyard grass, Herba Setariae Viridis, Annual bluegrass, quackgrass, Bermuda grass, bent grass, phragmites communis, fescue grass etc..Also can prevent and kill off Herba chenopodii, Herba Amaranthi tricoloris, knotweed, shepherd's purse, Herba Solani Nigri, The broad leaved weeds such as Herba stellariae mediae, Herba Portulacae, Herba Galii Teneri, Herba Sonchi Oleracei, creeping thistle, Herba seu Flos Convolvuli arvensis, Herba Taraxaci, to dried tuber and pteridophyta Also there is certain effect.
Prosulfuron (Prosulfuron), molecular formula: C15H16F3N5O4S, chemical name: 1-(4-methoxyl group-6-methyl -1,3,5-triazine-2-base)-3-[2-(3,3,3-trifluoro propyl) benzene sulfonyl] urea.
Prosulfuron is the inhibitor of acetolactate synthestase (ALS).Absorbed, in plant body by weeds root and leaf Conduction, weeds i.e. stop growing, leaf color chlorisis, the most withered.Be mainly used in preventing and kill off broad leaved weed. to abutilon, Amaranthus, The weeds such as Chenopodium, Polygonum, Stellaria have the preventive effect of excellence.Suitable for crop such as Semen Maydis, Sorghum vulgare Pers., cereal crop, lawn And pasture.Because its half-life in soil is 8～40d, the half-life in milpa is 1～2.5h, hence it is evident that be shorter than Other commercialization sulfonylurea herbicide metabolism time in milpa.
Corn field herbicide is limited by crop safety at present, and weed control spectrum is the most limited, and being used alone a kind of herbicide single dose can not Control the generation of corn field weed completely effectively, furthermore some herbicide is owing to water solublity is big or the field lasting period is oversize, use Measure the excessive or uneven residual hazard all easily caused this season crop or succession crop of dispenser.Inventor it has been investigated that, The synergistic complex of herbicide is to expand weed control spectrum and improve the effective measures of preventive effect, the most not yet finds relevant grass ammonium The Herbicidal combinations that phosphine is compounding with prosulfuron.
Summary of the invention
It is an object of the invention to provide the Herbicidal combinations of a kind of Glufosinate-ammoniumpesticideng and prosulfuron.
It is a further object of the present invention to provide the application in cornfield weeding of this Herbicidal combinations.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Glufosinate-ammoniumpesticideng and the Herbicidal combinations of prosulfuron, this Herbicidal combinations is based on glufosinate-ammonium and prosulfuron Wanting effective ingredient, glufosinate-ammonium is 1:60～60:1 with the mass ratio of prosulfuron.Preferably glufosinate-ammonium and prosulfuron Mass ratio is 1:20～40:1, most preferably 1:30～40:1.In some preferred technical schemes: glufosinate-ammonium with Prosulfuron can 34:1,29:1,59:1,12:1,60:1,50:1,40:1,20:1,10:1, These ratios of 5:1,1:1,1:5,1:10,1:20,1:30,1:50,1:60 select.
This compound weeding composition can comprise only active component glufosinate-ammonium and prosulfuron, it is possible to when using or prepare to work Adding other components in property composition, the active ingredient in this Pesticidal combination can be present in compositions with enhancing effective amount.
In Herbicidal combinations, glufosinate-ammonium and both prosulfurons weight/mass percentage composition in Herbicidal combinations is 1%～80%, preferred mass percentage composition is 10%～65%.
In the binary built compositions of the glufosinate-ammonium of the present invention and prosulfuron, except glufosinate-ammonium is effective with prosulfuron etc. Outside composition, it is also possible to the auxiliary agents such as conventional surfactants, thickening agent, solvent or the solid packing allowed on interpolation pesticidal preparations It is configured on pesticide any one dosage form allowed.Preferably it is processed into cream, suspending agent, aqueous emulsion, microemulsion, water-dispersible Granule, wettable powder etc..
Herbicidal combinations of the present invention can be applied in corn field postemergence weed control, particularly grass family in preventing and kill off corn field With application in broad leaved weed, there is remarkable result.
The present invention select can weed control spectrum different, after the complementary glufosinate-ammonium of pluses and minuses and two kinds of suitable decrements of herbicide of prosulfuron It is made into mixture to use, had the most both expanded weed control spectrum, hence it is evident that improve herbicidal effect, it also avoid and this season crop is produced medicine Evil and the probability to succession crop generation residual hazard.
The Herbicidal combinations of the present invention has the advantage that
1, activity of weeding is high.The Herbicidal combinations of the present invention can kill weeds by two kinds of different mechanism so that weeds resist Property produce speed reduce, be greatly enhanced the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.After both mixing, it is possible to increase multiple grassy weed and broad leaved weed are prevented Control.
3, Weed Resistance is delayed.Herbicidal combinations of the present invention passes through binary built, reduces the weeds resistance to medicament, and carries The preventive effect of high antagonism weeds, thus extend the service life of medicament.
4, safety is high.Owing to its using dosage is under control, making medicament on the premise of improve drug effect, it is to jade The safety of rice and succession crop have also been obtained raising.
The Herbicidal combinations of the present invention, is applied to corn field postemergence weed control, and it can prevent and kill off in corn field various grass family and wealthy Leaf weeds, on the premise of improve drug effect, all have safety to Semen Maydis and succession crop.
Therefore, Herbicidal combinations of the present invention can be applied in the herbicide of corn field postemergence weed control in preparation, especially It is the herbicide of grass family and broad leaved weed to be applied for preventing and kill off in corn field in preparation.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is carried out further Describe in detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention, all at this Within the simple modifications of preparation method of the present invention being broadly fallen into protection scope of the present invention under the concept thereof of invention.
In all formula of following example, percentage ratio is mass percent.The processing technique of the various preparation of the present composition is existing skill Art, can be varied from according to different situations.
One, dosage form prepares embodiment
Embodiment 1:35% glufosinate-ammonium prosulfuron cream (34:1)
Glufosinate-ammonium 34%, prosulfuron 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, is configured to, according to conventional formulation method, the cream that weight/mass percentage composition is 35%.
Embodiment 2:30% glufosinate-ammonium prosulfuron suspending agent (29:1)
Glufosinate-ammonium 29%, prosulfuron 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side Method is configured to the suspending agent that weight/mass percentage composition is 30%.
Embodiment 3:60% glufosinate-ammonium prosulfuron water dispersible granules (59:1)
Glufosinate-ammonium 59%, prosulfuron 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly-second Enol 2%, Kaolin complements to 100%, according to conventional formulation method be configured to weight/mass percentage composition be 60% water-dispersible Granule (WDG).
Embodiment 4:65% glufosinate-ammonium prosulfuron wettable powder (12:1)
Glufosinate-ammonium 60%, prosulfuron 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, Kaolin complements to 100%, is configured to, according to conventional formulation method, the wettable powder (WP) that weight/mass percentage composition is 65%.
Embodiment 5:61% glufosinate-ammonium prosulfuron cream (60:1)
Glufosinate-ammonium 60%, prosulfuron 1%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, is configured to, according to conventional formulation method, the cream that weight/mass percentage composition is 61%.
Embodiment 6:61% glufosinate-ammonium prosulfuron cream (1:60)
Glufosinate-ammonium 1%, prosulfuron 60%, alkylphenol polyoxyethylene 4%, phenethyl phenol polyethenoxy ether 15%, two Toluene complements to 100%, is configured to, according to conventional formulation method, the cream that weight/mass percentage composition is 61%.
Embodiment 7:51% glufosinate-ammonium prosulfuron suspending agent (50:1)
Glufosinate-ammonium 50%, prosulfuron 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 8:51% glufosinate-ammonium prosulfuron suspending agent (1:50)
Glufosinate-ammonium 1%, prosulfuron 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus is water, according to conventional preparation side Method is configured to the suspending agent that weight/mass percentage composition is 51%.
Embodiment 9:31% glufosinate-ammonium prosulfuron water dispersible granules (1:30)
Glufosinate-ammonium 1%, prosulfuron 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly-second Enol 2%, Kaolin complements to 100%, according to conventional formulation method be configured to weight/mass percentage composition be 31% water-dispersible Granule.
Embodiment 10:41% glufosinate-ammonium prosulfuron water dispersible granules (40:1)
Glufosinate-ammonium 40%, prosulfuron 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, poly-second Enol 2%, Kaolin complements to 100%, according to conventional formulation method be configured to weight/mass percentage composition be 41% water-dispersible Granule.
Embodiment 11:42% glufosinate-ammonium prosulfuron wettable powder (20:1)
Glufosinate-ammonium 40%, prosulfuron 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, Kaolin complements to 100%, is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 42%.
Embodiment 12:21% glufosinate-ammonium prosulfuron wettable powder (1:20)
Glufosinate-ammonium 1%, prosulfuron 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, Kaolin complements to 100%, is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 21%.
Embodiment 13:33% glufosinate-ammonium prosulfuron aqueous emulsion (1:10)
Glufosinate-ammonium 3%, prosulfuron 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to routine Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 14:33% glufosinate-ammonium prosulfuron aqueous emulsion (10:1)
Glufosinate-ammonium 30%, prosulfuron 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, solvent naphtha 20%, water complements to 100%, according to routine Formulation method is configured to the aqueous emulsion that weight/mass percentage composition is 33%.
Embodiment 15:30% glufosinate-ammonium prosulfuron microemulsion (5:1)
Glufosinate-ammonium 25%, prosulfuron 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, NPE 3%, Aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, according to conventional formulation method preparation Becoming weight/mass percentage composition is the microemulsion of 30%.
Embodiment 16:60% glufosinate-ammonium prosulfuron wettable powder (1:5)
Glufosinate-ammonium 10%, prosulfuron 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, Kaolin complements to 100%, is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 60%.
Embodiment 17:10% glufosinate-ammonium prosulfuron wettable powder (1:1)
Glufosinate-ammonium 5%, prosulfuron 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%, Kaolin complements to 100%, is configured to, according to conventional formulation method, the wettable powder that weight/mass percentage composition is 10%.
Two, drug effect checking test
1), toxicity determination test
According to effective ingredient glufosinate-ammonium: prosulfuron quality proportioning is: 70:1,34:1,29:1,59:1,12:1, 60:1,50:1,40:1,20:1,10:1,5:1,1:1,1:5,1:10,1:20,1:30,1: 50,1:60,1:70 test, and measure its co-toxicity coefficient to corn field common weed Herba Digitariae.
Test method: be seeded in respectively in the Disposable paper cup of 9cm by the seed of quantitative Herba Digitariae, sows 10～15 in every glass Grain seed, cultivates in illumination box, when the 3～6 leaf phase of Herba Digitariae, carries out spraying treatment on crawler type crops sprayer. Continuing in greenhouse after process to cultivate, routine observation respectively processes the preventive effect to weeds, weighs the weeds after each process after 30d Fresh weight, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active substance have potentiation Effect, co-toxicity coefficient is more than 120, shows that two kinds of active substance have notable potentiation, and co-toxicity coefficient is less than 100, table Bright two kinds of active substance have antagonism.Measurement result is as shown in table 1.
Table 1 toxicity measurement result
As it can be seen from table 1 glufosinate-ammonium herbicidal effect to Herba Digitariae compounding with prosulfuron significantly improves, illustrate that the two is multiple Pairing is prevented and kill off Herba Digitariae and is had significant synergies.
2), field control effectiveness test.
Reagent agent:
The glufosinate-ammonium of embodiment 1～17 preparation and the re-compounded binary herbicide of prosulfuron different ratio.
Comparison medicament:
30% glufosinate-ammonium AS (commercially available), 50% prosulfuron WDG (commercially available).
For studying thing: Semen Maydis
Maize seedling grows fine, robust plant, without other pest and disease damages.
Prevent and kill off object:
Amur foxtail, Herba Digitariae, Herba Portulacae, Herba Galii Teneri.
Test method:
According to the area of experimental plot, the good various medicaments of precise, and after being watered dilution, utilize knapsack sprayer, enter Row even spraying, the Fan spray head that sprinkler selection herbicide is special.During spraying, it should be noted that uniformly spray application to test little by medicinal liquid Qu Zhong, accomplishes do not have drain spray, the phenomenon of many sprays.
After test, after medicine, 20d, 40d observe weeds death condition respectively, and compare the activity of weeding of various medicaments.Additionally, After medicine, also to observe the condition of production consumption of every mu of ground effective ingredient (consumption be) of crop in 1～15d, to investigate medicine Whether agent has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see table 2 (20d after medicine) and table 3 (40d after medicine)
Table 2 field control effectiveness test result (20d after medicine)
Table 3 field control effectiveness test result (40d after medicine)
From table 2 and table 3 it can be seen that glufosinate-ammonium and prosulfuron compound to have expands herbicidal spectrum and raising activity of weeding Effect, and extend the lasting period of medicament.Can effectively prevent and kill off broad leaved weed and grassy weed, its preventive effect is better than single dose Preventive effect, illustrate that the two compounding preventive effect to broad leaved weed in corn field and grassy weed has significant potentiation.
Table 4 medicament security survey result to crop
Each Semen Maydis processed in community grows fine, and has no any medicine speckle, illustrates that various medicament is the safest to Semen Maydis.

Claims (9)

1. the Herbicidal combinations of a Glufosinate-ammoniumpesticideng and prosulfuron, it is characterised in that this Herbicidal combinations with glufosinate-ammonium with Prosulfuron is principle active component, and wherein, glufosinate-ammonium is 1:60～60:1 with the mass ratio of prosulfuron.
Herbicidal combinations the most according to claim 1, it is characterised in that glufosinate-ammonium and trifluoropropyl in this Herbicidal combinations The grand mass ratio of sulphur is 1:20～40:1.
Herbicidal combinations the most according to claim 1, it is characterised in that glufosinate-ammonium and trifluoropropyl in this Herbicidal combinations The grand mass ratio of sulphur is 1:30～40:1.
4. according to the Herbicidal combinations described in claim 1,2 or 3, it is characterised in that glufosinate-ammonium and both prosulfurons Weight/mass percentage composition in Herbicidal combinations is 1%～80%.
Herbicidal combinations the most according to claim 4, it is characterised in that glufosinate-ammonium and both prosulfurons are in weeding Weight/mass percentage composition in compositions is 10%～65%.
Herbicidal combinations the most according to claim 1, it is characterised in that this Herbicidal combinations is with glufosinate-ammonium and trifluoropropyl The grand auxiliary agent for allowing on principle active component and pesticide of sulphur is configured to any one dosage form.
Herbicidal combinations the most according to claim 6, it is characterised in that described dosage form is cream, suspending agent, water Emulsion, microemulsion, water dispersible granules or wettable powder.
8. the application in corn field postemergence weed control of the Herbicidal combinations described in claim 1.
Application the most according to claim 1, it is characterised in that described Herbicidal combinations is standing grain basis in preventing and kill off corn field Application in section and broad leaved weed.
CN201610459704.4A 2016-06-22 2016-06-22 Herbicidal composition containing glufosinate-ammonium and prosulfuron and applications thereof Pending CN105935060A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2783196A1 (en) * 1998-08-13 2000-02-24 Bayer Cropscience Ag Herbicidal compositions comprising glyphosate for tolerant or resistant maize crops
CN1312683A (en) * 1998-08-13 2001-09-12 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant cereal cultures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2783196A1 (en) * 1998-08-13 2000-02-24 Bayer Cropscience Ag Herbicidal compositions comprising glyphosate for tolerant or resistant maize crops
CN1312682A (en) * 1998-08-13 2001-09-12 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant corn cultures
CN1312683A (en) * 1998-08-13 2001-09-12 阿温提斯作物科学有限公司 Herbicides for tolerant or resistant cereal cultures

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