CN1088554C - Propisochlor containing herbicide composition - Google Patents
Propisochlor containing herbicide composition Download PDFInfo
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- CN1088554C CN1088554C CN99121847A CN99121847A CN1088554C CN 1088554 C CN1088554 C CN 1088554C CN 99121847 A CN99121847 A CN 99121847A CN 99121847 A CN99121847 A CN 99121847A CN 1088554 C CN1088554 C CN 1088554C
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Abstract
The present invention relates to a binary weeding composition and a three-element weeding composition used for rice, corn, soybean or rape fields, wherein the binary weeding composition comprises composition A which is propisochlor used as weeding effective components and special weeding composition B which is one weeding composition selected from thifensulfuron-methyl, pyrazosulfuron-ethyl, bensulfuron-methyl, jin-qui, imazethapyr, chlorimuron-ethyl, flumioxazin, broadstrike or ethametsulfuron-methyl; the three-element weeding composition comprises the composition A which is propisochlor used as the weeding effective components, special weeding composition B which is one weeding composion selected from pyrazosulfuron-ethyl, bensulfuron-methyl or jin-qui and weeding composition D which is metsulfuron-methyl.
Description
What the present invention relates to found based on a total technology and inventive concept has binary and a ternary weeding composition that improves performance.The binary Herbicidal combinations is characterized in that containing compd A and a specific herbicides compounds B who is selected from B1, B2, B3, B4, B5, B6, B7, B8 or B9 as formula (1) representative of weeding active ingredient; Ternary weeding composition is characterised in that compd A and a specific herbicides compounds B and herbicides compounds D who is selected from B2, B3 or B4 who contains as formula (1) representative of weeding active ingredient.
The chemistry of compd A is by name: (2-chloro-N-(isopropyl-o-methyl)-N-(2-ethyl-6-tolyl)-acetamide), general propisochlor by name (propisochlor).
The chemical name of specific herbicides compounds B is respectively:
B1 thifensulfuron methyl: 3-[(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazinyl-2-yl) amino carbonyl amino sulfonyl]-thiophene carboxylic acid methyl ester (Thifensulfuron),
B2 pyrazosulfuron: 1-methyl-4-carbethoxyl group-5-[(4,6-dimethoxypyridin-2-yl)-and the amino carbonyl amino sulfonyl] pyrazoles (Pyrazosulfuron),
B3 bensulfuron-methyl: 2-{[(4,6-dimethoxypyridin-2-yl) amino carbonyl amino] the sulfonyl methyl } methyl benzoate (Bensulfuron),
B4 gold autumn: N-[[[2-(cyclopropyl carbonyl) phenyl] amino-sulfonyl }-N "-(4,6-dimethoxy-2-pyrimidine radicals) urea (Cyclosulfamuron),
B5 Imazethapyr: 2-[4,5-dihydro-4-methyl-4-(1-Methylethyl)-5-oxygen-1H-pyrimidine moiety-2-yl]-5-ethyl-3-picolinic acid (Imazethapyr),
B6 beans sulphur is grand: amino 2-[[(4-chloro-6-methoxyl group-2-pyrimidine radicals)] carbonylamino] sulfonyl benzoic acid ethyl ester (Chlorimuron),
B7 speed is received: 2-[7-fluoro-3,4-dihydro-3-oxygen-4-(2-propine)-2H-1,4-benzoxazine-6-yl]-4,5,6,7-tetrahydrochysene-1H-iso-indoles-1,3 (2H)-diketone (Flumioxazin),
B8 Flumetsulam: N-[(2, the 6-difluorophenyl)-5-(1,3,4,5,6,7-six hydrogen-1,3-dioxy-2H-iso-indoles-2-yl) phenoxy group] acetate (Flumetsulam),
B9 ethametsulfuron: 2-[[[[[4-ethyoxyl-6-(methylamino)-1,3,5-diazine-2-yl] amino] carbonyl] amino] sulfonyl] benzoic acid (Ethametsulfuron),
The chemical name of herbicides compounds D is: 2-[(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-yl) ureido sulfuryl] methyl benzoate, general metsulfuron-methyl by name (Metsulfuron).
Compd A is a kind of novel herbicide.This weed killer herbicide can be used for crop fields such as corn, soybean, paddy rice and prevents and treats single broadleaf weed, but that it kills the grass spectrum is limited, and is unsatisfactory for the control efficiency of broad leaved weed common in the farmland such as three-coloured amaranth, kitchen garden, Siberian cocklebur, ivy glorybind etc.In addition, the domestic and international composition of also not mentioned it and other specific compound of patent.Therefore it is unforeseen with the effect of other compound use.
Have now found that, compd A and a binary Herbicidal combinations that is selected from the specific herbicides compounds B composition of above-mentioned B1, B2, B3, B4, B5, B6, B7, B8 or B9, and compd A and a ternary weeding composition that is selected from above-mentioned B2, B3 or specific herbicides compounds B of B4 and herbicides compounds D composition, herbicide action that it showed or activity level have exceeded the stack of each composition activity.This exercising result is called synergistic effect.The present invention is based on this discovery, one group of Herbicidal combinations is provided.
In binary and ternary weeding composition involved in the present invention, as the compd A of active ingredient and and specific herbicides compounds B who is selected from B1, B2, B3, B4, B5, B6, B7, B8 or B9 between weight ratio, and specific herbicides compounds B that is selected from B2, B3 or B4 as compd A and of active ingredient and the weight ratio between the herbicides compounds D, be respectively:
Be generally 10～500 for A and thifensulfuron methyl (B1), be preferably 20～250;
Be generally 1～150 for A and pyrazosulfuron (B2), be preferably 2～80;
Be generally 1～150 for A and bensulfuron-methyl (B3), be preferably 2～80;
Be generally 1～150 for A and gold autumn (B4), be preferably 2～80;
Be generally 1～150 for A and Imazethapyr (B5), be preferably 5～100;
Be generally 1～150 for A and beans sulphur grand (B6), be preferably 10～150;
Receive (B7) for A with speed and be generally 1～100, be preferably 2～80;
Be generally 5～80 for A and Flumetsulam (B8), be preferably 2～80;
Be generally 1～150 for A and ethametsulfuron (B9), be preferably 10～150;
Be generally 10～2000+1～150, be preferably 20～1000+2～80 for A and metsulfuron-methyl (D)+pyrazosulfuron (B2);
Be generally 10～2000+1～150, be preferably 20～1000+2～80 for A and metsulfuron-methyl (D)+bensulfuron-methyl (B3);
Be generally 10～2000+1～150, be preferably 20～1000+2～80 for A and metsulfuron-methyl (D)+gold autumn (B4).
Each Herbicidal combinations provided by the present invention all possesses the characteristics of broad weed-killing spectrum, and is single with once all effectively preventing and treating the common single broadleaf weed in farmland.Preventive effect to the common barnyard grass grass in broad leaved weed such as three-coloured amaranth, kitchen garden, lamb's-quarters, piemarker, ivy glorybind, black nightshade, Siberian cocklebur and paddy field, short arrowhead, wolf tail grass, Monochoria vaginalis, pondweed etc. is significantly higher than the preventive effect of compound alone (A), and has reduced the application dosage of every kind of active substance significantly.This characteristic has important ecological significance, and it can delay the drug-fast generation of weeds and the succession of community, and is also significant to the protection environment.
The binary Herbicidal combinations A+B1 that this invention is related, A+B8 is used for corn and soybean, A+B5, A+B6, A+B7 is used for soybean, A+B9 is used for rape, all prevent and treat lady's-grass (Digitariasanguinalis), green foxtail (Srtaria viridis), wild oat (Avena fatua), salsola collina (Salsola collina), Amaranthus retroflexus (Amaranthus retroflexus), acalypha copperleaf (Acalypha australis), kitchen garden (Portulaca oleracea), black nightshade (Solanumnigrum), Ben Shi knotweed (P.bungeanum Turcz), lamb's-quarters (Chenopodium album), Siberian cocklebur (Xanthium sibiricum), piemarker (Abutilon theophrasti Medicus), field thistle (Cirsium segetum), meadow pine (Equisetum arvense), chickweed upland field weeds such as (Stellaria media).
Binary Herbicidal combinations A+B2 involved in the present invention, A+B3, A+B4 and ternary herbicides compounds A+B2+D, A+B3+D and A+B4+D all are used for paddy field control barnyard grass grass (Echinochloacrusgalli), moleplant seed (Leptochloa chinensis), short arrowhead (Sagittariapygmaea), wolf tail grass (Bidens tripartita), Monochoria vaginalis (Monochoria vaginalis), pondweed (Potamogeton distinctus), difformed galingale herb (Cyperus difformis), firefly Lin (Scirpus juncoides), flat stalk bit of a bridle grass paddy land weeds such as (Scirpis planiculmis).
Binary involved in the present invention and ternary herbicidal composition all should be used behind crop preemergence application or seedling in early days.Term " preemergence application " is illustrated in weeds and grows the proportion of crop planting Tanaka who exists in weeds before the soil surface and carried out the soil spraying and handle." use in early days behind the seedling " and be illustrated in weeds 1～2 leaf and carry out cauline leaf spraying proportion of crop planting Tanaka during the phase and handle.The method of handling can (every mu of 20-40 kilogram) to water spray a manufactured Herbicidal combinations preparation or before use with the relevant active component of certain Herbicidal combinations directly bucket mix water sprayed.
The formulation of binary involved in the present invention and ternary herbicidal composition is wetting powder and suspending agent preferably.Also can be other formulations such as missible oil, pulvis and granule.
Adoptable surfactant has anionic surfactant and nonionic surface active agent.The aliphatic alcohol sulfate that comprises Sulfates, alkylol polyoxyethylene groups ether sodium sulfate, alkylol polyoxyethylene groups ether sodium sulfate etc., the sodium alkyl sulfonate of Sulfonates, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups ether succinic acid sodium sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, the anhydrous sorbitol fatty acid ester, anhydrous sorbitol aliphatic acid polyethenoxy base ether, alkylphenol formaldehyde condensation product polyoxyethylene groups ether, sulfonation castor-oil plant alkoxide, quaternary ammonium salt derivative, the condensation product of oxirane and nonyl or octyl phenol is main product or hydroxyl and the oxirane that does not dissociate by esterification, the alkalies and alkaline earth salt of sulfuric ester and sulfonic acid is as sulphonyl amber ester dinonyl and dioctyl sodium and such as the alkali of the macromolecule sulfonic acid derivative of sodium lignin sulfonate and calcium and carboxylate of the anhydrous sorbierite that the alkali salt condensation forms solubility etc.That can give an example has farming breast No. 2000 series, petroleum sodium sulfonate, dodecyl sodium sulfates, draws back powder, lauryl alcohol polyethylene glycol oxide base ether sulfonic acid sodium, tween series etc.
Mixture, inert carrier and the filler and one or more wetting agents and the dispersant that contain each active component in the wetting powder.Carrier is generally mineral inert substance such as potter's clay, kaolin, bentonite, talcum powder, diatomite etc.The wetting powder of the Herbicidal combinations of this invention contains the active component mixture of 0.5～90% (weight) (the more excellent 5-80% of being) usually, the dispersant of 0.25-25% (more excellent is 1～15%) (weight), inert solid carrier and the filler of 5-95% (weight) (more excellent is 5-80%).Form Herbicidal combinations jointly by them.
The suspending agent of this Herbicidal combinations is that each water-soluble relatively poor active component is constantly stirred in water with emulsifier, dispersant, wetting agent etc., makes it evenly to disperse and suspend, so that spraying is used.Can suitably add thickener, antifreezing agent, defoamer etc. as required.Suitable suspending agent comprises the active component of 0.1～90% (weight) (more excellent is 0.5～60%).The upper limit is decided by the solubility limit of active component in solvent.
Missible oil is that each active ingredient with Herbicidal combinations is dissolved in as in a certain solvent in butanols, cyclohexanone, dimethyl formamide, dimethylbenzene or high boiling aromatic series or the hydro carbons, adds one or more emulsifier again and is prepared from.Active constituent content is approximately 0.1～90% (weight) in the missible oil, and more excellent is 5～80%.
Pulvis is through abrasive dust processing and make with each active ingredient and fine grain dispergated solid matter such as talcum powder, natural clay and kaolin, bentonite, pyrophyllite or the diatomite of being.Pulvis contains effective composition and is approximately 0.1～50% (weight), and more excellent is 2～40%.
The preparation of granule is that each active ingredient is sprayed at particulate inert material surface with absorption property or active ingredient is adhered to carrier mass surface or particulate inert material surfaces such as sand, kaolin with adhesives such as polyvinyl alcohol, Sodium Polyacrylate or mineral oil, also can the active ingredient that some is suitable be processed into granule with the method for common manufacturing granular fertilizer.Its active constituent content of dispersible granules agent (weight) between 5～90% in the water spreads fertilizer over the fields active constituent content (weight) between 1～50% in the granule, is preferably between 1～25%.
Following examples describe the present invention in detail.Embodiment mainly is for the present invention is described, but not is used for limiting the present invention.
Embodiment 1 is the formulation preparation example, and embodiment 2～5 is a biological Examples.
Embodiment 2～4 all adopts the cuvette that is of moderate size, and adds no grass-seed light loam 200g/ cup, and every kind of weeds are sowed 20～100, seed level 0.5～1cm, surperficial earthing.Medicine is sprayed in sowing one day after.Light application time 16 hours/day.20～30 ℃ of daytime temperature, night, temperature was 15～20 ℃.Investigated various weeds fresh weights after the chemicals treatment in 20 days or 40 days.
Embodiment 5 is a field experiment, May 20 transplanting rice, the rice seedling length of time rice seedlings grow 5 leaf, 15 square metres of sub-district areas, plant medication in back 6 days, most weeds 0～1 leaves during medication adopt pesticide-clay mixture method dispenser (being about to spread fertilizer over the fields behind medicament and the 15kg sandy soil mixing in the dark rice field of 3～5cm water layer), investigate the fresh weight of various spontaneous weeds in every processing sub-district after the medication in 40 days.
Weeds preventive effect (%) is calculated as follows:
Weeds preventive effect (%)=(X-Y)/Y * 100
X: the weeds fresh weight of untreated control
Y: the weeds fresh weight after the chemicals treatment
Symphyogenetic differentiation is adopted fast and practical Colby method.If E is the expection weeds preventive effect of using with between compound (%), X, Y are respectively compound list time spent weeds preventive effects (%).Then:
When two kinds of compounds are used with: E=X+Y-XY/100
When three kinds of compounds are used with: E=(XY+XZ+YZ)/100
When surveying preventive effect, illustrate to have produced synergistic effect greater than expection preventive effect E.(" synergy of weeding composition and antagonism are calculated ", Weed 15,1967,20～22 pages) embodiment 1:
A. suspending agent:
With 5% the 0201B as emulsifier of each combination of active principles agent of 35 parts heavy and 65 parts heavy, 3% 0203 and as 3% bentonite of carrier, as 3% draw back powder and, in colloid mill, be ground to particle diameter and get final product below 5 microns of dispersant as 2% n-octyl alcohol of defoamer mixing successively.
B. wetting powder:
Each combination of active principles agent of 40 parts heavy and the 3 parts heavy neopelex as wetting agent, the 5 parts heavy sodium lignin sulfonate that is used as dispersant and kaolin attrition process in micronizer of 52 parts of weights are formed.
C. pulvis:
The talcum powder as inert substance of each combination of active principles agent of 15 parts heavy and 85 parts of weights is mixed, in high speed disintegrator, pulverize mixing and form.
D. missible oil:
Form in the nonyl phenol with each combination of active principles agent of 50 parts heavy the be dissolved in 40 parts of recasts cyclohexanone that is solvent, 10 parts of weights as the ethoxylation of emulsifier.
E. granule:
Kaolin by each combination of active principles agent of 25 parts heavy, 30 parts of heavy sodium lignin sulfonates, 15 parts of heavy dodecyl sodium sulfates, 15 parts of heavy polyvinyl alcohol and 15 parts of weights is made.
Embodiment 2 propisochlors and ethametsulfuron are used control efficiency (%) place to the transplanting rape field weed with: Beijing; Sowing: May 16; Dispenser: before broadcasting the back seedling; Investigation: behind the medicine 40 days (fresh weight method); Test: potted plant; Time: 1994
1: barnyard grass grass, amur foxtail; 2: Amaranthus retroflexus, Herba Galii Teneri, knotweed conclusion: the actual preventive effect when propisochlor and ethametsulfuron are used with is higher than it and uses the expectancy theory preventive effect with, proves between propisochlor and the ethametsulfuron and has used synergistic effect with.
| Medicament | Formulation rate (g ai/ha) | Monocotyledon weed 1 | Broadleaf weed 2 | The actual average preventive effect | Expection preventive effect (Colby method) | Rape fresh weight inhibiting rate |
| Propisochlor (propisochlor) | 540.0 | 82.0 | 52.6 | 67.3 | 0.0 | |
| Propisochlor (propisochlor) | 864.0 | 94.2 | 65.8 | 80.0 | 0.0 | |
| Ethametsulfuron (ethametsulfuron) | 10.0 | 10.2 | 85.7 | 48.0 | 0.0 | |
| Ethametsulfuron (ethametsulfuron) | 15.0 | 16.0 | 90.2 | 53.1 | 0.0 | |
| Propisochlor+ethametsulfuron | 540+10 | 98.3 | 96.8 | 97.6 | 83.0 | 0.0 |
| Propisochlor+ethametsulfuron | 540+15 | 99.6 | 97.6 | 98.6 | 84.7 | 0.0 |
| Propisochlor+ethametsulfuron | 864+10 | 100.0 | 98.8 | 99.4 | 89.6 | 0.0 |
| Propisochlor+ethametsulfuron | 864+15 | 100.0 | 100.0 | 100.0 | 90.6 | 0.0 |
| CK | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Embodiment 3 propisochlors and thifensulfuron methyl, grand, the fast receipts of beans sulphur and Imazethapyr are used control efficiency (%) place to the soybean weeds in field with: Beijing; Sowing: June 21; Dispenser: before broadcasting the back seedling; Investigation: behind the medicine 40 days (fresh weight method); Test: potted plant; Time: 1994
1: barnyard grass grass, lady's-grass; 2: Amaranthus retroflexus, knotweed conclusion: propisochlor is received with thifensulfuron methyl, speed respectively, beans sulphur is grand or the actual preventive effect of Imazethapyr when using with all is higher than it and uses the expectancy theory preventive effect with, proves between propisochlor and all active ingredient and has used synergistic effect with.
| Medicament | Formulation rate (g ai/ha) | Monocotyledon weed 1 | Broadleaf weed 2 | The actual average preventive effect | Expection preventive effect (Colby method) | Soybean fresh weight inhibiting rate |
| Propisochlor (propisochlor) | 540.0 | 80.1 | 56.3 | 68.2 | 0.0 | |
| Propisochlor (propisochlor) | 864.0 | 95.6 | 68.8 | 82.2 | 0.0 | |
| Thifensulfuron methyl (thifensulfuron methyl) | 6.75 | 2.3 | 76.3 | 39.3 | 0.0 | |
| Thifensulfuron methyl (thifensulfuron methyl) | 13.5 | 3.5 | 91.0 | 47.3 | 0.0 | |
| Flumioxaron (speed is received) | 30.0 | 45.0 | 65.0 | 55.0 | 0.0 | |
| Chlorimuron (beans sulphur is grand) | 10.0 | 3.0 | 87.2 | 45.1 | 0.0 | |
| Imazethapyr (Imazethapyr) | 30.0 | 65.3 | 76.8 | 71.1 | 0.0 | |
| Propisochlor+thifensulfuron methyl | 540+6.75 | 96.7 | 96.8 | 96.8 | 80.7 | 0.0 |
| Propisochlor+thifensulfuron methyl | 540+13.5 | 97.2 | 100.0 | 98.6 | 83.2 | 0.0 |
| Propisochlor+thifensulfuron methyl | 864+6.75 | 100.0 | 98.4 | 99.2 | 89.2 | 0.0 |
| Propisochlor+thifensulfuron methyl | 864+13.5 | 100.0 | 100.0 | 100.0 | 90.6 | 0.0 |
| Propisochlor+speed is received | 540+30 | 98.1 | 98.6 | 98.4 | 92.0 | 0.0 |
| Propisochlor+beans sulphur is grand | 864+10 | 95.6 | 100.0 | 97.8 | 90.2 | 0.0 |
| Propisochlor+Imazethapyr | 540+30 | 99.3 | 99.6 | 99.5 | 90.8 | 0.0 |
| CK | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Embodiment 4 propisochlors and thifensulfuron methyl and Flumetsulam are used control efficiency (%) place to the corn weeds in field with: Beijing; Sowing: March 2; Dispenser: before broadcasting the back seedling; Investigation: behind the medicine 40 days (fresh weight method); Test: potted plant; Time: 1995
1: barnyard grass grass, lady's-grass; 2: Amaranthus retroflexus, knotweed conclusion: propisochlor all is higher than it with thifensulfuron methyl, actual preventive effect when Flumetsulam is used with respectively and uses the expectancy theory preventive effect with, proves between propisochlor and thifensulfuron methyl or the Flumetsulam and has used synergistic effect with.
| Medicament | Formulation rate (g ai/ha) | Monocotyledon weed 1 | Broadleaf weed 2 | The actual average preventive effect | Expection preventive effect (Colby method) | Corn fresh weight inhibiting rate |
| 540.0 | 94.6 | 57.8 | 76.2 | 0.0 | ||
| Propisochlor (propisochlor) | 864.0 | 99.0 | 85.0 | 92.0 | 0.0 | |
| Thifensulfuron methyl (thifensulfuron methyl) | 6.75 | 6.5 | 80.2 | 43.4 | 0.0 | |
| Thifensulfuron methyl (thifensulfuron methyl) | 13.5 | 8.3 | 96.0 | 52.2 | 0.0 | |
| Flumetsulam (Flumetsulam) | 30.0 | 0.0 | 82.0 | 41.0 | ||
| Flumetsulam (Flumetsulam) | 60.0 | 0.0 | 96.0 | 48.0 | ||
| Propisochlor+thifensulfuron methyl | 540+6.75 | 94.8 | 97.8 | 96.3 | 86.5 | 0.0 |
| Propisochlor+thifensulfuron methyl | 540+13.5 | 95.7 | 98.6 | 97.2 | 88.6 | 0.0 |
| Propisochlor+thifensulfuron methyl | 864+6.75 | 100.0 | 99.2 | 99.6 | 95.5 | 0.0 |
| Propisochlor+thifensulfuron methyl | 864+13.5 | 100.0 | 100.0 | 100.0 | 96.2 | 0.0 |
| Propisochlor+Flumetsulam | 540+30 | 94.3 | 97.3 | 95.8 | 86.0 | 0.0 |
| Propisochlor+Flumetsulam | 540+60 | 95.8 | 98.6 | 97.2 | 87.6 | 0.0 |
| Propisochlor+Flumetsulam | 864+30 | 100.0 | 98.0 | 99.0 | 95.3 | 0.0 |
| Propisochlor+Flumetsulam | 864+60 | 100.0 | 100.0 | 100.0 | 95.8 | 0.0 |
| CK | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Embodiment 5 propisochlors+bensulfuron-methyl, propisochlor+pyrazosulfuron, propisochlor+gold autumn, propisochlor+bensulfuron-methyl+metsulfuron-methyl, propisochlor+pyrazosulfuron+metsulfuron-methyl and propisochlor+gold autumn+metsulfuron-methyl
Use control efficiency (%) place with: Beijing to transplanting rice weed; Transplant: May 20 (5 leaf age); Dispenser: plant back 6 days (weeds 0-1 leaf phase); Investigation: behind the medicine 40 days (fresh weight method); Test: land for growing field crops; Time: 1994
1: the barnyard grass grass; 2: short arrowhead, wolf tail grass, Monochoria vaginalis, pondweed; 3: difformed galingale herb, firefly Lin, flat bar bit of a bridle grass conclusion: propisochlor+bensulfuron-methyl, propisochlor+pyrazosulfuron, propisochlor+gold autumn, propisochlor+bensulfuron-methyl+metsulfuron-methyl, propisochlor+pyrazosulfuron+metsulfuron-methyl and propisochlor+gold autumn+when metsulfuron-methyl is used with
| Medicament | Formulation rate (g ai/ha) | Monocotyledon weed 1 | Broadleaf weed 2 | Nutgrass flatsedge 3 | The actual average preventive effect | Expection preventive effect (Colby method) | The increasing production of rice rate |
| ai g/ha | ％ | ％ | ％ | ％ | ％ | ％ | |
| Propisochlor (propisochlor) | 162.0 | 94.2 | 32.6 | 32.0 | 52.9 | 8.0 | |
| Metsulfuron (metsulfuron-methyl) | 1.2 | 12.3 | 85.2 | 84.8 | 60.8 | ||
| Bensulfuron (bensulfuron-methyl) | 12.0 | 8.9 | 54.6 | 12.4 | 25.3 | 6.2 | |
| Bensulfuron (bensulfuron-methyl) | 22.5 | 21.1 | 91.6 | 83.0 | 65.2 | 12.2 | |
| Pyrazosulfuron (pyrazosulfuron) | 7.5 | 12.8 | 63.0 | 63.2 | 46.3 | 7.6 | |
| Pyrazosulfuron (pyrazosulfuron) | 15.0 | 26.0 | 93.0 | 90.4 | 69.8 | 23.8 | |
| Cyclosulfamuron (gold autumn) | 7.5 | 22.3 | 61.8 | 60.0 | 48.0 | 23.8 | |
| Cyclosulfamuron (gold autumn) | 15.0 | 25.4 | 93.0 | 90.1 | 69.5 | 23.8 | |
| Propisochlor+bensulfuron-methyl | 162+22.5 | 96.2 | 99.4 | 95.5 | 97.0 | 83.6 | 38.0 |
| Propisochlor+pyrazosulfuron | 162+15 | 99.0 | 100.0 | 98.0 | 99.0 | 85.8 | 41.0 |
| Propisochlor+gold autumn | 162+15 | 97.6 | 98.6 | 97.2 | 97.8 | 85.6 | 39.7 |
| Propisochlor+bensulfuron-methyl+metsulfuron-methyl | 162+12+1.2 | 98.0 | 100.0 | 98.2 | 98.7 | 60.9 | 40.7 |
| Propisochlor+pyrazosulfuron+metsulfuron-methyl | 162+7.5+1.2 | 100.0 | 100.0 | 99.7 | 99.9 | 84.8 | 42.6 |
| Propisochlor+gold autumn+metsulfuron-methyl | 162+7.5+1.2 | 99.3 | 100.0 | 99.4 | 99.6 | 86.8 | 42.6 |
| CK | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Actual preventive effect all is higher than it and uses theoretical preventive effect with, proves between propisochlor and all active ingredient to have used synergistic effect with.
Claims (14)
1. binary Herbicidal combinations, it is characterized in that: it contains as the compd A of weeding active ingredient and a specific herbicides compounds B who is selected from B1, B2, B3, B4, B5, B6, B7, B8 or B9,
The chemistry of compd A propisochlor is by name: (2-chloro-N-(isopropyl-o-methyl)-N-(2-ethyl-6-tolyl)-acetamide) (propisochlor),
The chemical name of specific herbicides compounds B is respectively:
B1 thifensulfuron methyl: 3-[(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazinyl-2-yl) amino carbonyl amino sulfonyl]-thiophene carboxylic acid methyl ester (Thifensulfuron),
B2 pyrazosulfuron: 1-methyl-4-carbethoxyl group-5-[(4,6-dimethoxypyridin-2-yl)-and the amino carbonyl amino sulfonyl] pyrazoles (Pyrazosulfuron),
B3 bensulfuron-methyl: 2-{[(4,6-dimethoxypyridin-2-yl) amino carbonyl amino] the sulfonyl methyl } methyl benzoate (Bensulfuron),
B4 AC322140: N-[[[2-(cyclopropyl carbonyl) phenyl] amino-sulfonyl }-N "-(4,6-dimethoxy-2-pyrimidine radicals) urea (Cyclosulfamuron, gold autumn),
B5 Imazethapyr: 2-[4,5-dihydro-4-methyl-4-(1-Methylethyl)-5-oxygen-1H-pyrimidine moiety-2-yl]-5-ethyl-3-picolinic acid (Imazethapyr, Imazethapyr),
B6 chlorimuronethyl: amino 2-[[(4-chloro-6-methoxyl group-2-pyrimidine radicals)] carbonylamino] sulfonyl benzoic acid ethyl ester (Chlorimuron, beans sulphur is grand),
B7 flumioxazin: 2-[7-fluoro-3,4-dihydro-3-oxygen-4-(2-propine)-2H-1,4-benzoxazine-6-yl]-4,5,6,7-tetrahydrochysene-1H-iso-indoles-1,3 (2H)-diketone (Flumioxazin, speed is received),
B8 Flumetsulam: N-[(2, the 6-difluorophenyl)-5-(1,3,4,5,6,7-six hydrogen-1,3-dioxy-2H-iso-indoles-2-yl) phenoxy group] acetate (Flumetsulam, Flumetsulam),
B9 ethametsulfuron: 2-[[[[[4-ethyoxyl-6-(methylamino)-1,3,5-diazine-2-yl] amino] carbonyl] amino] sulfonyl] benzoic acid (Ethametsulfuron).
2. according to the Herbicidal combinations of claim 1, wherein except that containing formulation adjuvant, contain the weeding combination of active principles of 1～99% (weight).
3. according to the Herbicidal combinations of claim 1 or 2, wherein be respectively as the weight ratio between the compd A of active ingredient and the specific herbicides compounds B who is selected from B1, B2, B3, B4, B5, B6, B7, B8 or B9:
For A and thifensulfuron methyl (B1) is 10～500,
For A and pyrazosulfuron (B2) is 1～150,
For A and bensulfuron-methyl (B3) is 1～150,
For A and AC322140 (B4) is 1～150,
For A and Imazethapyr (B5) is 1～150,
For A and chlorimuronethyl (B6) is 1～150,
For A and flumioxazin (B7) is 1～100,
For A and Flumetsulam (B8) is 5～80,
For A and ethametsulfuron (B9) is 1～150.
4. according to the Herbicidal combinations of claim 1 or 2, it is characterized in that the weight ratio between compd A and the compd B is respectively:
For A and thifensulfuron methyl (B1) is 20～250,
For A and pyrazosulfuron (B2) is 2～80,
For A and bensulfuron-methyl (B3) is 2～80,
For A and AC322140 (B4) is 2～80,
For A and Imazethapyr (B5) is 5～100,
For A and chlorimuronethyl (B6) is 10～150,
For A and flumioxazin (B7) is 2～80,
For A and Flumetsulam (B8) is 2～80
For A and ethametsulfuron (B9) is 10～150.
5. according to the preparation of arbitrary Herbicidal combinations of claim 1～4, it is characterized in that it is wetting powder, suspending agent, missible oil, pulvis and/or granule.
6. according to the application of arbitrary Herbicidal combinations of claim 2～4, it is characterized in that, use the common single, double cotyledon weeds in a kind of described Herbicidal combinations control farmland proportion of crop planting Tanaka.
7. the described application of claim 6 is characterized in that, crops are paddy rice, rape, soybean or corn; Herbicidal combinations A+B2, A+B3, A+B4 are used for paddy rice; A+B1, A+B8 are used for corn and soybean; A+B5, A+B6, A+B7 are used for soybean; A+B9 is used for rape.
8. according to the ternary weeding composition of claim 1, it is characterized in that, it also contains herbicides compounds D metsulfuron-methyl except that containing as the compd A propisochlor of weeding active ingredient and the specific herbicides compounds B who is selected from pyrazosulfuron (B2), bensulfuron-methyl (B3) or AC322140 (B4).
9. Herbicidal combinations according to Claim 8 wherein except that containing formulation adjuvant, contains the weeding combination of active principles of 1～99% (weight).
10. according to Claim 8 or 9 Herbicidal combinations, wherein herbicides compounds A and one are selected from the specific herbicides compounds B of B2, B3 or B4 and the weight ratio between the herbicides compounds D is respectively:
For A and metsulfuron-methyl (D)+pyrazosulfuron (B2) is 10～2000+1～150,
For A and metsulfuron-methyl (D)+bensulfuron-methyl (B3) is 10～2000+1～150,
For A and metsulfuron-methyl (D)+AC322140 (B4) is 10～2000+1～150.
11. according to Claim 8 or 9 Herbicidal combinations, it is characterized in that herbicides compounds A and one are selected from the specific herbicides compounds B of B2, B3 or B4 and the weight ratio between the herbicides compounds D is respectively:
For A and metsulfuron-methyl (D)+pyrazosulfuron (B2) is 20～1000+2～80,
For A and metsulfuron-methyl (D)+bensulfuron-methyl (B3) is 20～1000+2～80,
For A and metsulfuron-methyl (D)+AC322140 (B4) is 20～1000+2～80.
12. the preparation of arbitrary Herbicidal combinations according to Claim 8～11 is characterized in that, it is wetting powder, suspending agent, missible oil, pulvis and/or granule.
13. the application according to arbitrary Herbicidal combinations of claim 9～11 is characterized in that, uses the common single, double cotyledon weeds in a kind of described Herbicidal combinations control farmland proportion of crop planting Tanaka.
14. the described application of claim 13 is characterized in that crops are paddy rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121847A CN1088554C (en) | 1999-10-20 | 1999-10-20 | Propisochlor containing herbicide composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN99121847A CN1088554C (en) | 1999-10-20 | 1999-10-20 | Propisochlor containing herbicide composition |
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| CN96120712A Division CN1052852C (en) | 1996-11-25 | 1996-11-25 | Herbicidal composition contg. prpisochlor |
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| CN1088554C true CN1088554C (en) | 2002-08-07 |
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| CN101926350A (en) * | 2010-09-13 | 2010-12-29 | 尹小根 | Weeding composition with ethoxysulfuron |
| CN103371158B (en) * | 2012-04-25 | 2017-03-01 | 马国丰 | A kind of Herbicidal combinations containing AC322140 |
| CN104304270B (en) * | 2014-09-11 | 2016-04-13 | 北京明德立达农业科技有限公司 | A kind of herbicidal composition and uses thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031081A (en) * | 1987-08-07 | 1989-02-15 | 纳幕尔杜邦公司 | The weedicide of control weeds in paddy field |
| CN1064986A (en) * | 1991-03-19 | 1992-10-07 | 纳幕尔杜邦公司 | The Herbicidal mixtures that contains sulfonylurea and monoacetylaniline class |
| CN1074086A (en) * | 1993-02-12 | 1993-07-14 | 江苏省激素研究所 | Herbicidal combinations |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031081A (en) * | 1987-08-07 | 1989-02-15 | 纳幕尔杜邦公司 | The weedicide of control weeds in paddy field |
| CN1064986A (en) * | 1991-03-19 | 1992-10-07 | 纳幕尔杜邦公司 | The Herbicidal mixtures that contains sulfonylurea and monoacetylaniline class |
| CN1074086A (en) * | 1993-02-12 | 1993-07-14 | 江苏省激素研究所 | Herbicidal combinations |
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