CN107094778A - A kind of herbicidal composition of Han oxaziclomefones and fluroxypyr - Google Patents

Abstract

The present invention discloses the herbicidal composition of Han oxaziclomefones and fluroxypyr a kind of, its active component Wei oxaziclomefones and fluroxypyr, and the weight ratio of Suo Shu oxaziclomefones and fluroxypyr is（10：1）~（1：10）.Instant component 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.The present invention has preferable preventive effect and high to Security of rice to most of paddy field weed such as rice field grassy weed, broad leaved weed and sedge weed.

Description

A kind of herbicidal composition of Han oxaziclomefones and fluroxypyr

Technical field

The present invention relates to pesticide herbicide field, and in particular to the herbicide of a kind of Han oxaziclomefones and fluroxypyr Composition.

Background technology

Since preventing and kill off rice terrace broad leaved weed from or so nineteen fifty large-area applications 2,4-drop, the chlorine of 2 first 4, rice terrace is with removing Careless agent kind is developed rapidly, and kind is updated, and has successively emerged in large numbers diphenyl ether, thiocarbamates, amide-type, quinoline The herbicides such as carboxylic acids, sulfonylurea, form the more perfect Chemical Weeding System for being adapted to paddy rice different planting, As indispensable, highly important well stimulation in Rice Production.

But, as numerous herbicide kinds are persistently used in rice terrace large area, the problem of also producing many, such as：① Weed Resistance is protruded, wherein more being dashed forward to the resistance of propanil, fluroxypyr, fluroxypyr, benthiocarb with Herba portulacae Go out, recently, Cyperaceae, Pontederiaceae, the Alismataceae such as Monochoria vaginalis, firefly Lin, angustifolia arrowhead herb, Monochoria korsakowii, different in nature nutgrass flatsedge grass etc. are common miscellaneous Grass generates resistance to sulfonylurea herbicide, makes weeding problem more complicated.2. perennial weeds harm turns into major issue, Particularly Cyperaceae perennial weeds is more prominent.3. the problem of preventing and kill off of advanced age Herba portulacae and moleplant seed needs to solve.4. herbicide product The herbicide controlling spectrum planted needs to be expanded, and extends the lasting phase that soil prevents and kill off medicament.5. it is strong, easy to use for wide spectrum, selectivity The demand of herbicide kind is more urgent.

Oxaziclomefone is novel rice and lawn herbicide, and it is safe to transplanting rice, annual to paddy rice miscellaneous Grass, especially efficient to barnyard grass, residual effect is long；It is very safe to lawn, to before bud annual gramineous weed efficiently 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, mainly by the root of 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：Monochoria vaginalis, rice barnyard grass, barnyard grass, moleplant seed, waterwort, Herba portulacae, mexicana, Monochoria vaginalis and mexicana etc..It is used for water after bud Behind rice field, medicament is mainly by the root system and cauline leaf basal sink of weeds, generally within medication two weeks after, weeds cauline leaf chlorisis, 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.

Fluroxypyr English common name fluroxypyr, molecular formula C7H5O3N2FCL2, are the selections of organic heterocyclic class Property inner sucting conduction type herbicide after seedling, it is adaptable to prevent and kill off the various broad leaved weeds of the gramineous crop Tanaka such as wheat, barley, corn. Clearvers can be prevented and kill off, it is volume stem smartweed, purslane, black nightshade, chickweed, common vetch, field bindweed, weasel hemp nettle, pale persicaria, willow leaf thorn smartweed, anti- The various broad leaved weeds such as branch amaranth, dayflower, elscholtiza, penny cress, vetch, Descurainia sophia and small japanese bearbind, to grass family and Cyperaceae Weeds are invalid.

Herba portulacae of the , oxaziclomefones to rice field, a thousand pieces of gold special efficacy in actual use, but to the wealthy weeds in part, Nutgrass flatsedge effect is not satisfactory；Fluroxypyr can be fabulous prevent and kill off most of weeds, it is different from most of such herbicides It is that fluroxypyr and other herbicide mixtures can expand herbicide controlling spectrum, reduce cost.Make it in every mu of use of wheat paddock 20% 35 milliliters of 30-40 milliliters of mamaplasty oil plus 72%2,4- d butyl esters missible oil add 150 milliliters of 20% MCPA,MCP,methoxone aqua effectively to prevent Except Veronica, wartwort, shepherd's purse, Hairy Bittercress, from weeds such as stamen mustard, lamb's-quarters, meadow pine, sowthistle, field bindweed, scirpus triqueter, Siberian cocklebur, piemarkers； Every mu of use 20% make 50-66.7 milliliters of its mamaplasty oil galloping 50-67 milliliters of horse aqueous emulsion of Jia 6.9% can effectively Control Wild oat, see The grassy weeds such as wheat ma, hard grass, caput grass, barnyard grass, lady's-grass, moleplant seed.The medicament can be used alone, also can be mixed with Acetochlor With.Therefore, oxaziclomefone, fluroxypyr are carried out rational mixture by inventor, find there is notable synergy, are expanded weeds and are prevented Control spectrum, a dispenser and prevent and kill off rice terrace grass family, Cyperaceae and broad leaved weed, reduce spraying times, reduce the work of cost accounting With.

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 The herbicidal composition of drug-fast Han oxaziclomefones and fluroxypyr.

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 overcome the defect of existing unitary agent, technical scheme is as follows：

The herbicidal composition of a kind of Han oxaziclomefones and fluroxypyr, its active component Wei oxaziclomefones and chlorine fluorine The weight ratio of pyrrole fluoroacetic acid, Suo Shu oxaziclomefones and fluroxypyr is (10：1)~(1：10).

The weight of further scheme, Suo Shu oxaziclomefones and fluroxypyr and be the composition total weight 0.1%~82%.

The weight of further scheme, Suo Shu oxaziclomefones and fluroxypyr and 2% for the composition total weight ~20%.

Further scheme, the formulation of the composition is water dispersible granules, wettable powder, soluble powder, granule, Suspending agent or dispersible oil-suspending agent.

For water dispersible granules, those skilled in the art are very familiar with completing the present invention using corresponding auxiliary agent.It is scattered 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, carboxymethyl cellulose, 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, clay.

To wettable powder, workable 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, clay.

To soluble powder, workable filler is selected from diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, concave convex rod Soil, clay, clay.

To granule, workable 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, 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, workable auxiliary agent has：Dispersant be selected from polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE2425 (Huntsman Corporation of the U.S. produces, alkyl naphthalene sulfonic acid salt)；Emulsifying agent such as Nongru-700 # (common names：Alkyl 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 polyoxyethylene Polyethenoxy ether), TERSPERSE 4894 (Huntsman Corporation of U.S. product)；Wetting agent is selected from alkylphenol-polyethenoxy Ji Mijia Aldehyde condensate 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 dispersible oil-suspending agent, workable auxiliary agent has：Dispersant is selected from polycarboxylate, lignosulfonates, alkyl Naphthalene sulfonate, TERSPERSE 2425；Emulsifying agent is selected from the serial emulsifying agents (BY-110, BY-125, BY-140) of BY, 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.

Rationally, activity when preventive effect is administered alone better than each component, with synergistic effect, expands weeds and prevented instant component Control spectrum, a dispenser and prevent and kill off rice terrace grass family, Cyperaceae and broad leaved weed, reduce spraying times, reduce cost accounting, slow down The generation of Weed Resistance, it is good to crop safety, meet the security requirement of pesticidal preparations.The present invention is to rice field grass family The major part such as weeds, broad leaved weed and sedge weed paddy field weed all has preferable preventive effect and to Security of rice It is high.

Embodiment

First, in order to prevent and treat rice terrace broad leaved weed, grassy weed and the sedge weed in agricultural production, inventor with Oxaziclomefone and fluroxypyr have carried out Toxicity Determination research, and specific method is that indoor pot method is carried out at cauline leaf Reason, tests reference《The part of farm-chemical indoor determination test rule herbicide the 9th》.

1.1 reagent agent

95% oxaziclomefone active compound；95% fluroxypyr active compound.

1.2 for examination weeds

Mexicana Rotala indica (Willd.) Koehne (section section Lepidium weeds)

Monochoria vaginalis Monochoria vaginalis (Pontederiaceae weeds)

Purslane Portulaca oleracea L. (Portulacaceae weeds)

1.3 experimental design

The experiment sets 24 processing altogether, Qi Zhong oxaziclomefones and fluroxypyr set 2.0 respectively, 2.2,2.4,2.6, 2.8th, 3.0 grams/ha of 6 dosage processing , oxaziclomefones it is mixed with both fluroxypyrs set up separately 3.0+2.0,2.8+2.0, 2.6+2.0,2.4+2.0,2.2+2.0,2.0+2.0,2.0+2.2,2.0+2.4,2.0+2.6,2.0+2.8,2.0+3.0 grams/public Just 11 dosage ratios processing, separately set 1 blank control, 24 processing are set altogether, are repeated four times.

1.4 test method

Medicament uses now with the current, and active compound is used after dmso solution, adds the emulsifying agent of tween 82, 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 11 × 12cm plastic tubs, the rice field of herbicide will be not used In the soil adopted back air-dry, fill in basin, basin at dry ground quantitative 4/5 after sieving, soil pH value 7.0, the content of organic matter 1.2%.Will Each about 30 uniform program requests are in soil surface, blinding after mexicana, Monochoria vaginalis, the Herba portulacae seed of last year field collection soak It is placed in greenhouse and cultivates after 2.5cm~1cm, 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, DG8203 sprays are put in weeds mexicana, Monochoria vaginalis, Herba portulacae 3-5 leaves Head, atomisation pressure 2.75MPA, 40kg/ mus of spouting liquid), dispenser preserves 3cm water layers after one day, is placed in greenhouse and cultivates observation.

1.5 weedy rices and analysis method

Periodical visual inspection observes growth conditions, poisoning symptom and the poisoning degree of weeds after dispenser, records after symptom of chemical damage, medicine The type of action of 14 days medicaments mixed with use Colby method evaluations in 21 days, further inquires 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 handles 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 examined with Colby methods, evaluates the two mixed synergy type to weeds.

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

Theoretical survival rate E0=XY/100 (2)

In formula：X represents the herbicide 1 i.e. Weed-control effect of oxaziclomefone, and Y represents the miscellaneous of the i.e. fluroxypyr of herbicide 2 Careless preventive effect.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 Herba portulacae growth of Shi oxaziclomefones single dose processing slows down, and mexicana, Monochoria vaginalis start to occur Yellow symptom is withered until dead therewith, and the Herba portulacae terminal bud of dispenser fluroxypyr processing in 7 days reddens, and starts dead, duck Tongue grass, mexicana terminal bud has the different degrees of symptom that reddens.

14 days visual observations after 2.2 medicines

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

The oxaziclomefone fluroxypyr of table 1 uses the visual observation (level) of 14 days mexicanas after medicine with

The oxaziclomefone fluroxypyr of table 1 uses the visual observation (level) of 14 days mexicanas after medicine with

The oxaziclomefone fluroxypyr of table 2 uses the visual observation (level) of 14 days Monochoria vaginalis after medicine with

The oxaziclomefone fluroxypyr of table 3 uses the visual observation (level) of 14 days Herba portulacaes after medicine with

From upper table 1-3 Ke it is mixed with fluroxypyr with Kan Chu oxaziclomefones after produce addition, mexicana, duck tongue Grass, the reduction of Herba portulacae Activity Rank.

21 days investigation results after 2.3 medicines

The oxaziclomefone fluroxypyr of table 4 is mixed to the actual survival rate of mexicana and theoretical survival rate

The mixed virulence to mexicana of oxaziclomefone, fluroxypyr：Oxaziclomefone is preferable to the preventive effect of mexicana, is The susceptible weeds of medicament, fluroxypyr is general to the preventive effect of mexicana, and Sui oxaziclomefone, fluroxypyr consumption Increase, is improved after using with to the preventive effect of mexicana.Actual preventive effect difference is generally higher than 10% after using with as seen from Table 4, and the two is mixed It is in synergistic effect with the rear preventive effect to mexicana.

The mixed actual survival rate and theoretical survival rate to Monochoria vaginalis of the oxaziclomefone fluroxypyr of table 5

The mixed virulence to Monochoria vaginalis of oxaziclomefone, fluroxypyr：Oxaziclomefone, fluroxypyr are to Monochoria vaginalis Preventive effect it is general, Sui oxaziclomefone, the increase of fluroxypyr consumption, it is mixed after the preventive effect of Monochoria vaginalis is greatly improved. Actual preventive effect difference after using with as seen from Table 5 is generally higher than 10%, is in synergistic effect to the preventive effect of Monochoria vaginalis after the two is mixed.

The mixed actual inhibiting rate and theoretical inhibiting rate to Herba portulacae of the oxaziclomefone fluroxypyr of table 6

The mixed virulence to Herba portulacae of oxaziclomefone, fluroxypyr：Oxaziclomefone is excellent to the preventive effect of Herba portulacae, is The susceptible weeds of medicament, fluroxypyr has stronger inhibitory action to Herba portulacae, and Sui oxaziclomefone, fluroxypyr The increase of consumption, is greatly improved after using with to the preventive effect of Herba portulacae.Actual preventive effect difference after using with as seen from Table 6 is generally higher than 10%, it is in synergistic effect to the preventive effect of Herba portulacae after the two is mixed.

From above result of the test Ke to find out that , oxaziclomefones, fluroxypyr are used with, to mexicana, Monochoria vaginalis, dent Bamboo water pipe is in synergistic effect, mixed to expand herbicide controlling spectrum, delays Weed Resistance, and Jiang Di oxaziclomefones are single with both fluroxypyrs Agent content, improves total preventive effect, reduces application cost, safer to crop, and the two mixed has certain feasible in production Property.

2nd, example of formulations

Example of formulations 1：

Weigh 40% fluroxypyr, 40% oxaziclomefone, 3%TERSPERSE 2700 (poly- carboxylic hydrochloric acid, U.S.'s Hensel Step 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% parts by weight.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 80% oxaziclomefone Fluroxypyr water dispersible granules.

Example of formulations 2

Weigh 6% fluroxypyr, 60% oxaziclomefone, 3%TERSPERSE 2700,4% sodium lignin sulfonate, 1% Nekal BX, 1%K-12,1% carboxymethyl cellulose, 3% urea, diatomite add to 100% parts by weight.Above-mentioned raw materials are passed through Routine produces the method i.e. mixing of water dispersible granules, ultra micro air-flow crushing, mixing, granulation step and produces 66% oxaziclomefone chlorine Fluorine pyrrole fluoroacetic acid water dispersible granules.

Example of formulations 3

Weigh 30% fluroxypyr, 3% oxaziclomefone, 4%TERSPERSE 2700,1% Nekal BX, 1%K- 12nd, 0.8% dextrin, 5% ammonium sulfate, attapulgite add to 100% parts by weight.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 33% oxaziclomefone fluroxypyr water-dispersible grain Agent.

Example of formulations 4：

Weigh 20% fluroxypyr, 2.5% oxaziclomefone, 4%Morwet D-425 (alkylnaphthalene sulfonate, Acker Revive Nobel produce), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,2% polyvinylpyrrolidone, 2.5% xanthans, Kaolin adds to 100% parts by weight.The method of above-mentioned raw materials frequent regulation water intaking dispersible granule be mixing, ultra micro air-flow crushing, Mixing, granulation step produce 22.5% oxaziclomefone fluroxypyr water dispersible granules.

Example of formulations 5

Weigh 3% fluroxypyr, 24% oxaziclomefone, 5% calcium lignosulfonate, 2% Nekal BX, 1%K-12, 3% White Carbon black, kaolin add to 100% parts by weight.Above-mentioned raw materials are blended, and 27% oxaziclomefone chlorine is made after air-flow crushing Fluorine pyrrole fluoroacetic acid wettable powder.

Example of formulations 6

Weigh 32% fluroxypyr, 23% oxaziclomefone, 4% calcium lignosulfonate, 3%TERSPERSE 2700, 2% Nekal BX, 1%K-12,3% White Carbon black, precipitated calcium carbonate add to 100% parts by weight.Above-mentioned raw materials are blended, air-flow powder Obtained 55% oxaziclomefone fluroxypyr wettable powder after broken.

Example of formulations 7

Weigh 21% fluroxypyr, 38% oxaziclomefone, 4% calcium lignosulfonate, 3% dispersing agent NNO, 1% drawing Open powder BX, 1%K-12,3% White Carbon black, attapulgite and add to 100% parts by weight.Above-mentioned raw materials are blended, made after air-flow crushing Obtain 59% oxaziclomefone fluroxypyr wettable powder.

Example of formulations 8

Weigh 15% fluroxypyr, 55% oxaziclomefone, 4% sodium lignin sulfonate, 2%TERSPERSE 2700, 2%K-12,3% White Carbon black, clay add to 100% parts by weight.Above-mentioned raw materials are blended, and 70% Mi oxazines are made after air-flow crushing Humulone fluroxypyr wettable powder.

Example of formulations 9

Weigh 58% fluroxypyr, 22% oxaziclomefone, 5% White Carbon black, kaolin and add to 100% parts by weight.On State raw material blended, 80% oxaziclomefone fluroxypyr soluble powder is made after air-flow crushing.

Example of formulations 10

Weigh 31% fluroxypyr, 31% oxaziclomefone, 10% diatomite, talcum powder and add to 100% parts by weight.On State raw material blended, 62% oxaziclomefone fluroxypyr soluble powder is made after air-flow crushing.

Example of formulations 11

27% fluroxypyr, 13% oxaziclomefone, 3% paraffin, 1% White Carbon black, 1% iron oxide, sand is weighed to add To 100% parts by weight.Coating method granulation above-mentioned raw materials in , Jiang oxaziclomefone, fluroxypyr and 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, by female powder Add, stir 5~10 minutes, cool to normal temperature, 40% oxaziclomefone fluroxypyr granule is made.

Example of formulations 12

Weigh 2% fluroxypyr, 8% oxaziclomefone, 15% starch, 2.5% polyvinylpyrrolidone, 1% oxidation Iron, light weight calcium add to 100% parts by weight.Extrude granulation granulation.Above-mentioned raw materials are blended, after air-flow crushing, and add water kneading, squeeze Grain is pressed into, and is dried, is sieved, 10% oxaziclomefone fluroxypyr granule is made.

Example of formulations 13

Weigh 8% fluroxypyr, 12% oxaziclomefone, 3%TERSPERSE 4894,2%TERSPERSE 2500, 1%TERSPERSE 2425,0.2% xanthans, 5% ethylene glycol, 0.3% benzoic acid, 2.5% organic silicon defoamer, deionization Water adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 20% oxazine is made after being sanded with sand mill Humulone fluroxypyr suspending agent.

Example of formulations 14

Weigh 5% fluroxypyr, 5% oxaziclomefone, the emulsifying agent of 1.5%NNO, 1%TERSPERSE 2500,2% T-60,3% Nongru-700 #, 0.1% xanthans, the 5% the third ethanol, 2.5% formaldehyde, 0.3% organic silicon defoamers, deionized water add To 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 10% oxazine grass is made after being sanded with sand mill Ketone fluroxypyr suspending agent.

Example of formulations 15

Weigh 6% fluroxypyr, 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, 2.5% organosilicon Defoamer, deionized water adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, is sanded with sand mill 16% oxaziclomefone fluroxypyr suspending agent is made afterwards.

Example of formulations 16

Weigh 20% fluroxypyr, 10% oxaziclomefone, 3% Nongru-700 #, 2% agriculture breast 1601#, 1.5% TERSPERSE 2500,2.5%TERSPERSE 2425,0.2% xanthans, 3% white carbon, 5% ethylene glycol, 0.3% benzene first Acid, 2.5% organic silicon defoamer, deionized water add to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear is disperseed 30min, is made 30% oxaziclomefone fluroxypyr suspending agent after being sanded with sand mill.

Example of formulations 17

Weigh 3% fluroxypyr, 2% oxaziclomefone, this disk -60# of 2%TERSPERSE 2425,4%, 3% tell Temperature -60#, 2% 2500,2.5% white carbon of Nongru-700 #, 1%TERSPERSE, 5% propane diols, 1% epoxychloropropane, oleic acid Methyl esters adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 5% Evil is made after being sanded with sand mill The dispersible oil-suspending agent of metribuzin fluroxypyr.

Example of formulations 18

Weigh 3% fluroxypyr, 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% parts by weight. Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 6% oxaziclomefone fluroxypyr is made after being sanded with sand mill Dispersible oil-suspending agent.

Example of formulations 19

Weigh 4% fluroxypyr, 6% oxaziclomefone, this disk -60# of 3%TERSPERSE 2425,3%, 3% tell Temperature -60#, the white carbon of 8%BY-110,1%TERSPERSE 2500,2.5%, 5% propane diols, 20% epoxidized soybean oil, oleic acid Methyl esters adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 10% Evil is made after being sanded with sand mill The dispersible oil-suspending agent of metribuzin fluroxypyr.

Example of formulations 20

Weigh 5% fluroxypyr, 2.5% oxaziclomefone, 3% dispersing agent NNO, 5%BY-125,4% this disk -60#, 4% agriculture breast 1601#, 1% phenethyl phenol polyoxyethylene groups ether phosphate, 2.5% bentonite, 5% glycerine, 3% triphenyl phosphate, Rapeseed oil adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, are made after being sanded with sand mill The 7.5% dispersible oil-suspending agent of oxaziclomefone fluroxypyr.

3rd, field control effectiveness test

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

Inventor has carried out 6% oxaziclomefone chlorine fluorine pyrrole on June 1st, 2010 in Jiaxing City, Zhejiang Province rice direct seeding field Experiment of fluoroacetic acid (3%+3%) the dispersible oil-suspending agent to paddy field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, section Dish, Herba portulacae and Monochoria vaginalis are saved, weed size is in 2~4 leaf phases.Test medicine and dosage are 6% oxaziclomefone chlorine fluorine pyrrole oxygen Dispersible oil-suspending agent 20g/ mus of acetic acid, 30g/ mus, 40g/ mus, dispersible oil suspending agent 60ml/ mus of 25g/ Sheng oxaziclomefones, 10% 20g/ mus of fluroxypyr wettable powder.Using conventional spray-on process.

The dispersible oil-suspending agent of oxaziclomefone fluroxypyr of table 7 6% is to rice direct seeding field weed control efficacy

The dispersible oil-suspending agent of oxaziclomefone fluroxypyr of table 8 6% is to rice direct seeding field weed control efficacy

The dispersible oil suspending agent of oxaziclomefone fluroxypyr of table 9 6% is to rice direct seeding field weed control efficacy

Result of the test shows：30 after dispersible oil suspending agent 30g/ mus of 6% oxaziclomefone fluroxypyr, 40g/ mus of medicines It is all remarkably higher than comparison medicament to Monochoria korsakowii, mexicana, Eclipta prostrata, Monochoria vaginalis, the average strain preventive effect of Herba portulacae and fresh weight preventive effect Dispersible oil suspending agent 60ml/ mus of 2.5% oxaziclomefone, 20g/ mus of 10% fluroxypyr wettable powder, illustrate two medicaments There is obvious synergistic effect in crop field after mixture, while having saved drug cost, expand control of weeds spectrum.

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

Inventor has carried out 55% oxaziclomefone chlorine fluorine on June 25th, 2010 in Xianju County in Zhejiang Province transplanted rice field The experiment of pyrrole fluoroacetic acid (32%+23%) WP on Rice field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, section Dish, Herba portulacae and Monochoria vaginalis are saved, weed size is in 2~4 leaf phases.Test medicine and dosage are 18% oxaziclomefone chlorine fluorine pyrrole oxygen 8g/ mus of acetic acid wettable powder, 10g/ mus, 12g/ mus, 60ml/ mus of 25g/ Sheng oxaziclomefone oil suspending agents, 10% chlorine fluorine pyrrole oxygen second Sour wettable powder 20g/ mus.Using conventional spray-on process.

The oxaziclomefone fluroxypyr WP on Rice transplant field weed control efficacy of table 10 55%

The oxaziclomefone fluroxypyr WP on Rice transplant field weed control efficacy of table 11 55%

The oxaziclomefone fluroxypyr WP on Rice transplant field weed control efficacy of table 11 55%

Result of the test shows：30 after 55% 10g/ mus, 12g/ mus of oxaziclomefone fluroxypyr wettable powder medicine It is above comparison medicament 25g/ to Monochoria korsakowii, mexicana, Eclipta prostrata, Monochoria vaginalis, the average strain preventive effect of Herba portulacae and fresh weight preventive effect Dispersible oil suspending agent 60ml/ mus of Sheng oxaziclomefones, 20g/ mus of 10% fluroxypyr wettable powder, illustrate two medicament mixtures There is obvious synergistic effect in crop field afterwards, while saving drug cost.

In summary, 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.

Claims (4)

1. the herbicidal composition of a kind of Han oxaziclomefones and fluroxypyr, it is characterised in that：Its active component Wei oxazines The weight ratio of humulone and fluroxypyr, Suo Shu oxaziclomefones and fluroxypyr is（10：1）~（1：10）.

2. herbicidal composition according to claim 1, it is characterised in that：Suo Shu oxaziclomefones and fluroxypyr Weight and 0.1% ~ 82% for the composition total weight.

3. herbicidal composition according to claim 2, it is characterised in that：Suo Shu oxaziclomefones and fluroxypyr Weight and 2% ~ 20% for the composition total weight.

4. herbicidal composition according to claim 1, it is characterised in that：The formulation of the composition is water-dispersible grain Agent, wettable powder, soluble powder, granule, suspending agent or dispersible oil-suspending agent.