CN106857561A - Herbicidal composition and its application of a kind of Han oxaziclomefones He metamifop - Google Patents

Abstract

The invention discloses a kind of Han oxaziclomefones He the herbicidal composition of metamifop.Including containing active, into point oxaziclomefone and a metamifop, the weight ratio in it between both oxaziclomefone and metamifop is 19：1~1：19, preferably 4：1~1：4.Oxaziclomefone is He the cumulant of metamifop is the 0.1%~80% of the composition total weight, preferably 2%~20%.Component in the present invention is reasonable, activity when preventive effect is administered alone better than each component, with synergistic effect, expand control of weeds spectrum, a dispenser and prevent and kill off rice terrace grass family, Cyperaceae and broad leaved weed, spraying times are reduced, cost accounting is reduced, slows down the generation of Weed Resistance, it is good to crop safety, meet the security requirement of pesticidal preparations.

Description

Herbicidal composition and its application of a kind of Han oxaziclomefones He metamifop

Technical field

The invention belongs to herbicide technology field, more particularly to a kind of Han oxaziclomefones are He the herbicide of metamifop Composition, a kind of herbicide for preventing and treating rice field annual grassy weeds and barnyard grass and corn field weed, its Shi You oxazine grass Ketone and metamifop are the binary herbicidal composition of activity composition.

Background technology

As numerous herbicide kinds are persistently used in rice terrace large area, the problem of many is also produced：1. Weed Resistance It is prominent, wherein more protruded the resistance of propanil, butachlor, benthiocarb with barnyard grass, recently, difformed galingale herb, firefly Lin, angustifolia arrowhead herb, The common weeds such as the Cyperaceaes such as Monochoria korsakowii, Monochoria vaginalis, Pontederiaceae, Alismataceae generate resistance to sulfonylurea herbicide, make Weeding problem is more complicated.2. perennial weeds harm turns into major issue, and particularly Cyperaceae perennial weeds is more prominent.③ Advanced age barnyard grass needs to solve with the problem of preventing and kill off of moleplant seed.4. the herbicide controlling spectrum of herbicide kind needs to be expanded, and extends soil and prevent and kill off The lasting phase of medicament.5. the demand of the herbicide kind strong, easy to use for wide spectrum, selectivity is more urgent.

Oxaziclomefone is formulated by Mitsubishi oiling Co., Ltd., and cooperate federation's joint development with Japanese agriculture, goes forward side by side Commercialization is gone.It is paddy rice and the lawn herbicide for having new oxazinone parent.Oxaziclomefone is to transplanting rice security Height, to paddy rice annual grassy weeds, especially efficient to barnyard grass, residual effect is long.It is very safe to Japanese lawn, to bud before annual standing grain Undergraduate course weeds are efficient and residual effect is long.

Oxaziclomefone English common name oxaziclomefone, chemical name 3 [1- (3,5- dichlorophenyl)-propyl group] -3, 4- dihydro -6- methyl -5- phenyl -2H-1,3- zinc oxalates -4-one.Oxaziclomefone belongs to organic heterocyclic class, is inner sucting conduction type Herbicide for paddy field, the mainly root by weeds and cauline leaf basal sink.Leaves and stemses chlorosis, stopping life after weeds contact medicament It is long, until withered.Oxaziclomefone mainly prevents and kill off rice terrace annual gramineous weed, nutgrass flatsedge and some broad leaved weeds etc., wherein Including：Difformed galingale herb, rice barnyard grass, barnyard grass, moleplant seed, waterwort, needle spikesedge herb, Procumbent Falsepimpernel, Monochoria vaginalis and mexicana etc..It is used for after bud After rice terrace, mainly by the root system and cauline leaf basal sink of weeds, generally within medication two weeks after, weeds cauline leaf takes off medicament Green, rubescent, necrosis is final dead.Lasting period was up to 50 days.In the whole season of growth, preventing and kill off barnyard grass only needs medication 1 time.

Metamifop English common name Metamifop, molecular formula C23H18CIFN2O4, chemical name (R) -2- { (4- Chloro- 1,3- benzoxazoles -2- bases oxygen) phenoxy group } -2 '-fluoro- N- methyl propionanilide.Metamifop (Metamifop) is By Chemical Engineering Technology research institute of South Korea develop aryloxyphenoxypropanoates class herbicide, can be fabulous prevent and kill off most of annual grass Section weeds, from unlike most of such herbicides, metamifop can effectively prevent and kill off rice terrace mainly miscellaneous to rice safety Grass, such as barnyard grass, moleplant seed, lady's-grass and eleusine indica, are mainly used in transplanting and direct sowing rice field weeding.Metamifop (Metamifop) low toxicity, it is environmentally safe, there is extensive miscibilty, and other crops and Kill weeds are expected to be used for, it is one Very promising herbicide.Metamifop (Metamifop) belongs to ACC enzyme inhibitors, can suppress the conjunction of vegetable fatty acid Into.There is blade face and moves back green in sensitive varieties in several days after medication, Developing restraint.Solvent and surfactant will each serve as softening leaf Face wax layer and the effect of plant stomata is opened, make effective ingredient into playing a role in plant.Therefore, fragrant oxygen external at present Phenoxy propionic acid esters herbicide is generally processed into missible oil.

Barnyard grass, a thousand pieces of gold special efficacy of the , oxaziclomefones to rice field in actual use, but to the wealthy weeds in part, Sha Careless effect is not satisfactory；Metamifop can be fabulous prevent and kill off most of annual gramineous weeds, with most of such weedings Unlike agent, metamifop can effectively prevent and kill off rice terrace main weeds to rice safety, such as barnyard grass, moleplant seed, lady's-grass and Eleusine indica, is mainly used in transplanting and direct sowing rice field weeding.Therefore, oxaziclomefone, metamifops are carried out rational mixture by Tong Guo, It was found that having notable synergy, expand control of weeds spectrum, a dispenser and prevent and kill off rice terrace grass family, Cyperaceae and broad leaved weed, subtract Few spraying times, reduce the effect of cost accounting, to rice safety.

The content of the invention

It is an object of the invention to provide a kind of component rationally, herbicidal spectrum is wide, and preventive effect is good, and drug cost is low, is not likely to produce Drug-fast Han oxaziclomefones solve that existing herbicide effects are not good to ask He the herbicidal composition of metamifop Topic.

It is used to prevent and kill off rice seedling bed, direct seading rice field, rice transplanting it is another object of the present invention to provide above-mentioned composition Purposes in rice terrace and transplanting rice field grassy weed, broad leaved weed and sedge weed.

In order to solve the above technical problems, the present invention is achieved by the following technical solutions：

The present invention is a kind of herbicidal composition containing oxaziclomefone and metamifop, including containing active into a point oxazine Humulone is He metamifop, Qi Zhong oxaziclomefones are He the weight ratio between both metamifops is 19：1~1：19, preferably 4：1 ~1：4.Oxaziclomefone He the cumulant of metamifop is the 0.1%~80% of the composition total weight, preferably 2%~ 20%.Oxaziclomefone is He the cumulant of metamifop Jis Wei oxaziclomefones He the weight sum of metamifop.

According to method known in those skilled in the art, Han oxaziclomefones of the present invention are He the herbicide group of metamifop Can be configured to any formulation for agriculturally allowing during compound practical application, preparation formulation be water dispersible granules or wettable powder or Pulvis or granule or suspending agent dispersible oil-suspending agent.

For water dispersible granules, those skilled in the art are very familiar with using corresponding auxiliary agent to complete the present invention.Dispersion Agent is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, APES, EO/PO block polyethers；Wetting Agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, AEO, alkyl phenol polyoxy Vinethene；Disintegrant be selected from ammonium sulfate, sodium sulphate, sodium chloride, ammonium chloride, urea, sucrose, glucose, carboxymethylcellulose calcium, can Molten starch, polyvinylpyrrolidone；Binding agent is selected from polyvinyl alcohol, soluble starch, dextrin, xanthans, carboxymethyl (ethyl) Cellulose family；Filler is selected from diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.

To wettable powder, usable auxiliary agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulphur Hydrochlorate；Wetting agent is selected from alkyl sulfate, alkylsulfonate, naphthalene sulfonate；Filler is selected from ammonium sulfate, urea, sucrose, grape Sugar, diatomite, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay.

To pulvis, usable filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, pottery Soil, clay.

To granule, usable auxiliary agent has：Carrier is selected from ammonium sulfate, urea, potassium dihydrogen phosphate, calcium superphosphate, diatom It is soil, kaolin, white carbon, precipitated calcium carbonate, talcum powder, attapulgite, potter's clay, boccaro rock dust, stone coal slag, clay, sand, red Brick, sawdust, starch；Binding agent is selected from paraffin, gypsum, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, hydroxypropyl methyl Cellulose, PVP, polyacrylamide, polyethylene glycol, polyvinyl alcohol；Coloring agent is iron oxide.

To suspending agent, usable auxiliary agent has：Dispersant be selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt)；Emulsifying agent such as Nongru-700 # (common names：Alkane Base fluosite APEO), agriculture breast 2201, this disk -60# (common names：Sorbitan monostearate), emulsifying agent T-60 (common names：Sorbitan monostearate APEO), agriculture breast 1601# (common names：Phenethyl phenol polyoxy second Alkene polyethenoxy ether), TERSPERSE 4894 (Huntsman Corporation of U.S. product)；Wetting agent is selected from alkylphenol-polyethenoxy base ether Formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyoxyethylene groups ether phosphate, alkylsurfuric acid Salt, alkylsulfonate, naphthalene sulfonate, TERSPSE 2500 (Huntsman Corporation of U.S. product)；Thickener is selected from xanthans, poly- second Enol, bentonite, aluminium-magnesium silicate；Preservative is selected from formaldehyde, benzoic acid, Sodium Benzoate；Defoamer is organic silicon defoamer；It is anti- Freeze agent and be selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (such as sodium chloride).

To dispersibling oil-suspending agent, usable auxiliary agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkyl Naphthalene sulfonate, TERSPERSE 2425；Emulsifying agent is selected from BY series emulsifying agent (BY-110, BY-125, BY-140), agriculture breast 700#, agriculture breast 2201, this disk -60#, Tween-60 #, agriculture breast 1601#, TERSPERSE 4894；Wetting agent is selected from alkyl phenol polyoxy Vinyl ethers formaldehyde condensation products sulfate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyoxyethylene groups ether phosphate, Alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500；Thickener is selected from white carbon, polyvinyl alcohol, swelling Soil, aluminium-magnesium silicate；Antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts (such as sodium chloride)；Stabilizer is selected from ring Oxygen soybean oil, epoxychloropropane, triphenyl phosphate；Decentralized medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate, bavin Oil, machine oil, mineral oil.

Further, the composition is configured to formulation, and combination dosage form is water dispersible granules or wettable powder or powder Agent or granule or suspending agent dispersible oil-suspending agent.

A kind of Han oxaziclomefones He the application of the herbicidal composition of metamifop, composition prevent and kill off rice seedling bed, Application in direct seading rice field, rice transplanting rice terrace and transplanting rice field annual grassy weeds and barnyard grass and corn field weed.It is described Using rice field annual grassy weeds is grassy weed, broad leaved weed and sedge weed.

The invention has the advantages that：

1st, rationally, activity when preventive effect is administered alone better than each component, with synergistic effect, expands the component in the present invention Rice terrace grass family, Cyperaceae and broad leaved weed are prevented and kill off in control of weeds spectrum, a dispenser, reduce spraying times, and reduction is prevented and treated into This, slows down the generation of Weed Resistance, good to crop safety, meets the security requirement of pesticidal preparations.

2nd, herbicidal composition of the invention is to the big portion such as rice field grassy weed, broad leaved weed and sedge weed Point paddy field weed all has preferable preventive effect and high to Security of rice.

Certainly, implement any product of the invention to it is not absolutely required to while reaching all the above advantage.

Specific embodiment

Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.

In order to prevent and treat the rice terrace broad leaved weed in agricultural production, grassy weed and sedge weed, inventor Yi Evil He metamifop has carried out Toxicity Determination research, specific method carries out cauline leaf process to metribuzin for indoor pot method, examination Test reference《The part of farm-chemical indoor determination test rule herbicide the 9th》.

1.1 reagent agents

95% oxaziclomefone active compound；95% metamifop active compound.

1.2 for examination weeds

Procumbent Falsepimpernel Lindernia procumbens (Krock.) Philcox (broad leaved weed).

Difformed galingale herb Cyperus difformis L (sedge weed).

Barnyard grass Echinochloa crus-galli (grassy weed).

1.3 experimental designs

The experiment set 24 treatment, Qi Zhong oxaziclomefones altogether He metamifop set 0.15 respectively, 0.3,0.6,1.2, 2.4th, , oxaziclomefones are mixed He both metamifops is set to 4.0+0.125,2.0+ for the treatment of 4.8 grams/ha of 6 dosage 0.125、1.0+0.125、0.5+0.125、0.25+0.125、0.125+0.125、0.125+0.25、0.125+0.5、0.125+ 1.0th, 0.125+2.0,0.125+4.0 gram/ha of 11 dosage ratios treatment, separately sets 1 auxiliary agent control, and 24 treatment are set altogether, It is repeated four times.

1.4 test methods

Medicament after active compound uses dmso solution, adds Tween 80 emulsifying agent using now with the current, prepares 10% female Liquid.According to medicament characteristic, 6 dosage from high to low is set.

The culture of target weeds uses potted plant cultivation, with 11cm × 12cm plastic tubs, the rice of herbicide will be not used Soil that Tanaka adopts back is air-dried, fill basin after sieving, in basin at dry ground quantitative 4/5, soil pH value 7.0, the content of organic matter 1.2%. By each about 30 uniform program requests after the Procumbent Falsepimpernel of last year field collection, difformed galingale herb, the immersion of barnyard grass seed in soil surface, blinding It is placed in after 0.5cm~1cm in greenhouse and is cultivated, 28~32 DEG C/18~25 DEG C of indoor temperature (d/n) after planting keeps ground moistening. Spray in spray tower (ASS-1 type pesticide spraying systems, DG8003 sprays are put in weeds Procumbent Falsepimpernel, difformed galingale herb, barnyard grass 3-5 leaves Head, atomisation pressure 2.75MPA, spouting liquid 40kg/ mus), dispenser preserves 3cm water layers after one day, is placed in and observation is cultivated in greenhouse.

1.5 weedy rices and analysis method

The growth conditions of periodical visual inspection observation weeds, poisoning symptom and poisoning degree, record symptom of chemical damage, after medicine after dispenser 14 days type of action of medicament mixed with use Colby method evaluations in 21 days, further inquire into the reasonability of proportioning.

1.5.1 ocular estimate

After dispenser 14 days with ocular estimate investigation records activity of weeding, investigated using following grade scale：

1 grade：It is all dead；

2 grades：Equivalent to the 0-2.5% of blank district；

3 grades：Equivalent to the 2.6-5% of blank district；

4 grades：Equivalent to the 5.1~10% of blank district；

5 grades：Equivalent to the 10.1~15% of blank district；

6 grades：Equivalent to the 15.1~25% of blank district；

7 grades：Equivalent to the 25.1~35% of blank district；

8 grades：Equivalent to the 35.1~67.5% of blank district；

9 grades：Equivalent to the 67.6~100% of blank district.

1.5.2 growth inhibition assay

Clip respectively processes ground chlorenchyma at 21 days, using scales/electronic balance weighing, actual survival rate E is calculated, using public affairs Formula (2) calculates theoretical survival rate E0, is checked with Colby methods, evaluates the two mixed synergy type to weeds.

Actual survival rate E (%)=treatment region weeds fresh weight × 100/ check plot weeds fresh weight (1)

Theoretical survival rate E0=XY/100 (n-1)

X represents the herbicide 1 i.e. Weed-control effect of oxaziclomefone

Y represents the herbicide 2 i.e. Weed-control effect of promazine Sulfometuron Methyl

N represents mixture herbicide kind sum (2)

As E-E0 ＞ 10%, illustrate to produce synergistic effect, as E-E0 ＜ -10%, illustrate to produce antagonism, work as E- E0 between ± 10% when, illustrate produce addition.

2 results and analysis

2.1 weeds death conditions

5 days after dispenser, the barnyard grass growth of Shi oxaziclomefones single dose treatment slows down, and Procumbent Falsepimpernel, difformed galingale herb start appearance Yellow symptom is withered until dead therewith, and the barnyard grass terminal bud of the Tian metamifops of dispenser 7 treatment reddens, and starts dead, special-shaped Sha Grass, Procumbent Falsepimpernel terminal bud has the different degrees of symptom that reddens.

14 days visual observations after 2.2 medicines

14 days after medicine, range estimation investigation is carried out to each treatment region weeds, it is as a result as follows：

14 days visual observations of Procumbent Falsepimpernel (level) after the mixed medicine of the oxazine Cao Tong metamifops of table 1

14 days visual observations of difformed galingale herb (level) after the mixed medicine of the oxazine Cao Tong metamifops of table 2

14 days visual observations of barnyard grass (level) after the mixed medicine of the oxazine Cao Tong metamifops of table 3

21 days investigation results after 2.3 medicines

The oxazine Cao Tong metamifops of table 4 are used with to the actual survival rate of Procumbent Falsepimpernel and theoretical survival rate

The mixed virulence to Procumbent Falsepimpernel of oxaziclomefone, metamifops：Oxaziclomefone is preferable to the preventive effect of Procumbent Falsepimpernel, is medicine The susceptible weeds , metamifops of agent are general to the preventive effect of Procumbent Falsepimpernel, and Sui the increase of oxaziclomefone, metamifop consumptions, Preventive effect after mixed to Procumbent Falsepimpernel is improved.Actual preventive effect difference is generally higher than 10% after using with as seen from Table 4, right after the two is mixed The preventive effect of Procumbent Falsepimpernel is in synergistic effect.

The mixed actual survival rate and theoretical survival rate to difformed galingale herb of the oxazine Cao Tong metamifops of table 5

The mixed virulence to difformed galingale herb of oxaziclomefone, metamifops：Oxaziclomefone, metamifops are to difformed galingale herb Preventive effect it is general, Sui the increase of oxaziclomefone, metamifop consumptions, it is mixed after the preventive effect of difformed galingale herb is greatly improved. Actual preventive effect difference after using with as seen from Table 5 is generally higher than 10%, and the preventive effect after the two is mixed to difformed galingale herb is made in synergy With.

The mixed actual inhibiting rate and theoretical inhibiting rate to barnyard grass of the oxazine Cao Tong metamifops of table 6

The mixed virulence to barnyard grass of oxaziclomefone, metamifops：Oxaziclomefone is excellent to the preventive effect of barnyard grass, is medicament Susceptible weeds , metamifops have stronger inhibitory action to barnyard grass, and Sui the increase of oxaziclomefone, metamifop consumptions, Preventive effect after mixed to barnyard grass is greatly improved.Actual preventive effect difference after using with as seen from Table 6 is generally higher than 10%, and the two is used with The preventive effect to barnyard grass is in synergistic effect afterwards.

Used with finding out , oxaziclomefone, metamifops from above result of the test Ke, to Procumbent Falsepimpernel, difformed galingale herb, barnyard grass It is mixed to expand herbicide controlling spectrum in synergistic effect, delay Weed Resistance, Jiang Di oxaziclomefones Yu both metamifops single dose contain Amount, improves total preventive effect, reduces application cost, safer to crop, and the two is used with production certain feasibility.

Present invention is further illustrated with reference to embodiment.

Example of formulations one

(poly- carboxylic hydrochloric acid, U.S.'s Hensel is stepped to weigh 20% metamifop, 5% oxaziclomefone, 3%TERSPERSE 2700 Company produce), 2% dispersing agent NNO (alkyl naphthalene sulfonate formaldehyde composition), 1% Nekal BX (nekal), 1%K-12 (lauryl sodium sulfate), 3% soluble starch, 3% glucose, kaolin add to 100% weight portion.Above-mentioned raw materials The method of frequent regulation water intaking dispersible granule is that mixing, ultra micro air-flow crushing, mixing, granulation step produce 25% oxaziclomefone Metamifop water dispersible granules.

Example of formulations two

Weigh 12% metamifop, 12% oxaziclomefone, 3%TERSPERSE 2700,4% sodium lignin sulfonate, 1% Nekal BX, 1%K-12,1% carboxymethylcellulose calcium, 3% urea, diatomite add to 100% weight portion.Above-mentioned raw materials are through routine The method for producing water dispersible granules mixes, ultra micro air-flow crushing, mixing, granulation step produce 24% oxazine Cao Tong oxazole acyls Careless aqueous amine dispersible granule.

Example of formulations three

Weigh 8% metamifop, 30% oxaziclomefone, 4%TERSPERSE 2700,1% Nekal BX, 1%K-12, 0.8% dextrin, 5% ammonium sulfate, attapulgite add to 100% weight portion.The side of the frequent regulation water intaking dispersible granule of above-mentioned raw materials Method is that mixing, ultra micro air-flow crushing, mixing, granulation step produce 38% oxazine Cao Tong metamifop water dispersible granules.

Example of formulations four

Weigh 10% metamifop, 2.5% oxaziclomefone, 4%Morwet D-425 (alkylnaphthalene sulfonate, Aksu Nobel produce), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,2% polyvinylpyrrolidone, 0.5% xanthans, height Ridge soil adds to 100% weight portion.The method of the frequent regulation water intaking dispersible granule of above-mentioned raw materials is mixing, ultra micro air-flow crushing, mixes Close, granulation step produces 12.5% oxazine Cao Tong metamifop water dispersible granules.

Example of formulations five

Weigh 30% metamifop, 24% oxaziclomefone, 5% calcium lignosulfonate, 2% Nekal BX, 1%K-12, 3% White Carbon black, kaolin add to 100% weight portion.Above-mentioned raw materials are blended, and 54% oxazine Cao Tong Evil are obtained after air-flow crushing Azole amide wettable powder.

Example of formulations six

Weigh 30% metamifop, 8% oxaziclomefone, 4% calcium lignosulfonate, 3%TERSPERSE 2700,2% Nekal BX, 1%K-12,3% White Carbon black, precipitated calcium carbonate add to 100% weight portion.Above-mentioned raw materials are blended, air-flow crushing 38% oxazine Cao Tong metamifop wettable powders are obtained afterwards.

Example of formulations seven

Weigh 15% metamifop, 25% oxaziclomefone, 4% calcium lignosulfonate, 3% dispersing agent NNO, 1% pull open Powder BX, 1%K-12,3% White Carbon black, attapulgite add to 100% weight portion.Above-mentioned raw materials are blended, are obtained after air-flow crushing 40% oxazine Cao Tong metamifop wettable powders.

Example of formulations eight

Weigh 15% metamifop, 5% oxaziclomefone, 4% sodium lignin sulfonate, 2%TERSPERSE 2700,2% K-12,3% White Carbon black, potter's clay add to 100% weight portion.Above-mentioned raw materials are blended, and 20% oxazine grass is obtained after air-flow crushing Tong metamifop wettable powders.

Example of formulations nine

Weigh 28% metamifop, 22% oxaziclomefone, 5% White Carbon black, kaolin and add to 100% weight portion.It is above-mentioned Raw material is blended, and 50% oxazine Cao Tong metamifop pulvis is obtained after air-flow crushing.

Example of formulations ten

Weigh 15% metamifop, 35% oxaziclomefone, 10% diatomite, talcum powder and add to 100% weight portion.It is above-mentioned Raw material is blended, and 50% oxazine Cao Tong metamifop pulvis is obtained after air-flow crushing.

Example of formulations 11

27% metamifop, 16% oxaziclomefone, 3% paraffin, 1% White Carbon black, 1% iron oxide, sand is weighed to add to 100% weight portion.Coating method granulation above-mentioned raw materials in , Jiang oxaziclomefone, metamifops with White Carbon black co-grinding into female powder, It is standby；Paraffin hot melt is in a liquid state into penetrating to wash and drying and preheating is to 50 DEG C of sands, and it is well mixed after, female powder is added, Stirring 5~10 minutes, cools to normal temperature, and 43% oxazine Cao Tong metamifop granules are obtained.

Example of formulations 12

Weigh 18% metamifop, 23% oxaziclomefone, 15% starch, 0.5% polyvinylpyrrolidone, 1% oxidation Iron, light weight calcium add to 100% weight portion.Extruding granulation granulation.Above-mentioned raw materials are blended, and after air-flow crushing, add water kneading, squeeze Grain is pressed into, and is dried, sieved, 41% oxazine Cao Tong metamifop granules are obtained.

Example of formulations 13

Weigh 8% metamifop, 12% oxaziclomefone, 3%TERSPERSE 4894,2%TERSPERSE 2500, 1%TERSPERSE 2425,0.2% xanthans, 5% ethylene glycol, 0.3% benzoic acid, 0.5% organic silicon defoamer, deionization Water adds to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 20% oxazine is obtained after being sanded with sand mill Cao Tong metamifop suspending agents.

Example of formulations 14

Weigh 5% metamifop, 5% oxaziclomefone, the emulsifying agent T- of 1.5%NNO, 1%TERSPERSE 2500,2% 60th, 3% Nongru-700 #, 0.1% xanthans, the 5% the third ethanol, 0.5% formaldehyde, 0.3% organic silicon defoamers, deionized water are added to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 10% oxaziclomefone is obtained after being sanded with sand mill Metamifop suspending agent.

Example of formulations 15

Weigh 6% metamifop, 10% oxaziclomefone, 3%TERSPERSE 4894,1%TERSPERSE 2500, 1%TERSPERSE 2425,0.2% xanthans, 1% aluminium-magnesium silicate, 5% ethylene glycol, 0.3% Sodium Benzoate, 0.5% organosilicon Defoamer, deionized water adds to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, are sanded with sand mill 16% oxazine Cao Tong metamifop suspending agents are obtained afterwards.

Example of formulations 16

Weigh 20% metamifop, 10% oxaziclomefone, 3% Nongru-700 #, 2% agriculture breast 1601#, 1.5% TERSPERSE 2500,0.5%TERSPERSE 2425,0.2% xanthans, 3% white carbon, 5% ethylene glycol, 0.3% benzene first Acid, 0.5% organic silicon defoamer, deionized water add to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, 30% oxazine Cao Tong metamifop suspending agents are obtained after being sanded with sand mill.

Example of formulations 17

Weigh 3% metamifop, 10% oxaziclomefone, this disk -60# of 2%TERSPERSE 2425,4%, 3% tween - 60#, 2% 2500,0.5% white carbon of Nongru-700 #, 1%TERSPERSE, 5% propane diols, 1% epoxychloropropane, oleic acid first Ester adds to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 13% oxazine is obtained after being sanded with sand mill Cao Tong metamifops dispersible oil-suspending agent.

Example of formulations 18

Weigh 12% metamifop, 3% oxaziclomefone, 2% dispersing agent NNO, 3% agriculture breast 2201#, 8%BY-110, 1%TERSPERSE 2500,1% aluminium-magnesium silicate, 3% propane diols, 15% epoxidized soybean oil, soybean oil add to 100% weight portion. Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 15% oxazine Cao Tong metamifops are obtained after being sanded with sand mill can Dispersion oil-suspending agent.

Example of formulations 19

Weigh 4% metamifop, 6% oxaziclomefone, this disk -60# of 3%TERSPERSE 2425,3%, 3% tween - The white carbon of 60#, 8%BY-110,1%TERSPERSE 2500,0.5%, 5% propane diols, 20% epoxidized soybean oil, methyl oleate Add to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 10% oxazine grass is obtained after being sanded with sand mill Tong metamifops dispersible oil-suspending agent.

Example of formulations 20

Weigh 5% metamifop, 3% oxaziclomefone, 3% dispersing agent NNO, 5%BY-125,4% this disk -60#, 4% Agriculture breast 1601#, 1% phenethyl phenol polyoxyethylene groups ether phosphate, 0.5% bentonite, 5% glycerine, 3% triphenyl phosphate, dish Seed oil adds to 100% weight portion.Above-mentioned raw materials are blended, high speed shear dispersion 30min, and 8% Evil is obtained after being sanded with sand mill Qin Cao Tong metamifops dispersible oil-suspending agent.

Biological examples 1 prevent and kill off rice weed field control effectiveness test

Inventor has carried out 8% oxazine grass ketone oxazole acyl on June 1st, 2010 in Jiaxing City, Zhejiang Province rice direct seeding field Careless amine (3%+5%) dispersibles experiment of the oil-suspending agent to paddy field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, on footpath between fields Dish, barnyard grass and difformed galingale herb, weed size is in 2~4 leaf phases.Test medicine and dosage are 8% oxazine Cao Tong metamifops Oil-suspending agent 20g/ mus, 30g/ mus, 40g/ mus is dispersibled, 25g/ Sheng oxaziclomefones dispersible oil suspending agent 60ml/ mus, 10% oxazole Acyl 20g/ mus of amine missible oil of grass.Using conventional spray-on process.

The oxazine Cao Tong metamifops of table 7 8% dispersible oil-suspending agent to rice direct seeding field weed control efficacy

The oxazine Cao Tong metamifops of table 8 8% dispersible oil-suspending agent to rice direct seeding field weed control efficacy

The oxazine Cao Tong metamifops of table 9 8% dispersible oil suspending agent to rice direct seeding field weed control efficacy

Result of the test shows：8% oxazine Cao Tong metamifops dispersible oil suspending agent 30g/ mus, 30 days after 40g/ mus of medicine Comparison medicament is all remarkably higher than to Monochoria korsakowii, Procumbent Falsepimpernel, Eclipta prostrata, difformed galingale herb, the average strain preventive effect of barnyard grass and fresh weight preventive effect 10% oxaziclomefone dispersibles oil suspending agent 60ml/ mus, 20g/ mus of 10% metamifop missible oil, illustrates after two medicament mixtures big There is obvious synergistic effect in field in, while having saved drug cost, expands control of weeds spectrum.

Biological examples 2 prevent and kill off rice weed field control effectiveness test

Inventor has carried out 40% oxazine grass ketone oxazole on June 25th, 2010 in Xianju County in Zhejiang Province transplanted rice field The experiment of acyl grass amine (25%+15%) WP on Rice field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, on footpath between fields Dish, barnyard grass and difformed galingale herb, weed size is in 2~4 leaf phases.Test medicine and dosage are 40% oxazine Cao Tong metamifops Wettable powder 8g/ mus, 10g/ mus, 12g/ mus, 10% 60ml/ mus of oxaziclomefone oil suspending agent, 10% metamifop missible oil 20g/ mus.Using conventional spray-on process.

The oxazine Cao Tong metamifop WP on Rice transplant field weed control efficacies of table 10 40%

The oxazine Cao Tong metamifop WP on Rice transplant field weed control efficacies of table 11 40%

The oxazine Cao Tong metamifop WP on Rice transplant field weed control efficacies of table 12 40%

Result of the test shows：30 days after 40% oxazine Cao Tong 10g/ mus, 12g/ mus medicine of metamifop wettable powder The Evil of comparison medicament 10% is above to Monochoria korsakowii, Procumbent Falsepimpernel, Eclipta prostrata, difformed galingale herb, the average strain preventive effect of barnyard grass and fresh weight preventive effect Metribuzin dispersibles oil suspending agent 60ml/ mus, 20g/ mus of 10% metamifop missible oil, is used in crop field after illustrating two medicament mixtures In have obvious synergistic effect, while saving drug cost.

In sum, instant component rationally, test by activity when preventive effect is administered alone better than each component, field control effectiveness test Demonstrate,proving its combination has synergistic effect, and it is miscellaneous that expansion control of weeds is composed, rice terrace grass family, Cyperaceae and broad-leaved are prevented and kill off in a dispenser Grass, reduces spraying times, reduces cost accounting, slows down the generation of Weed Resistance, good to crop safety, meets pesticidal preparations Security requirement.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Specific features, structure, material or the feature described with reference to the embodiment or example are contained at least one implementation of the invention In example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can be in one or more any embodiments or example closing Suitable mode is combined.

Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed All of details is described, it is only described specific embodiment that the invention is not limited yet.Obviously, according to the content of this specification, Can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only Limited by claims and its four corner and equivalent.

Claims (8)

1. a kind of herbicidal composition containing oxaziclomefone and metamifop, it is characterised in that containing active into a point oxazine grass Tong is He metamifop, the weight ratio between the two is (19：1)~(1：19).

2. a kind of Han oxaziclomefones according to claim 1 are He the herbicidal composition of metamifop, it is characterised in that Suo Shu oxaziclomefones are He the weight ratio between both metamifops is (4：1)~(1：4).

3. a kind of Han oxaziclomefones according to claim 1 are He the herbicidal composition of metamifop, it is characterised in that Suo Shu oxaziclomefones are He the cumulant of metamifop is the 0.1%~80% of the composition total weight.

4. He the herbicidal composition of metamifop, its feature exists for a kind of Han oxaziclomefones according to claim 1 or 3 In Suo Shu oxaziclomefones are He the cumulant of metamifop is the 2%~20% of the composition total weight.

5. a kind of Han oxaziclomefones according to claim 1 are He the herbicidal composition of metamifop, it is characterised in that The composition is configured to formulation.

6. a kind of Han oxaziclomefones according to claim 5 are He the herbicidal composition of metamifop, it is characterised in that The combination dosage form is water dispersible granules or wettable powder or pulvis or granule or suspending agent or dispersibles oil-suspending agent.

7. a kind of Han oxaziclomefones as described in claim 1-6 is any one He the herbicidal composition of metamifop should With, it is characterised in that the composition is preventing and kill off rice seedling bed, direct seading rice field, rice transplanting rice terrace and transplanting rice field one Application in year raw weeds and barnyard grass and corn field weed.

8. He the herbicidal composition of metamifop, its feature exists a kind of Han oxaziclomefones according to claim 7 In the rice field annual grassy weeds includes grassy weed, broad leaved weed and sedge weed.