CN107047575A - Herbicidal composition and its application of a kind of Han oxaziclomefones and pendimethalin - Google Patents

Abstract

The invention discloses herbicidal composition and its application of a kind of Han oxaziclomefones and pendimethalin.Including containing active into point oxaziclomefone and a pendimethalin, wherein, the weight ratio between both oxaziclomefone and pendimethalin is 99：1~1：99；Wherein, both You Xuan oxaziclomefones and pendimethalin between weight ratio be 10：1~1：10；You Xuan oxaziclomefones and the cumulant of pendimethalin are the 0.1%~80% of the composition total weight.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.

Description

Herbicidal composition and its application of a kind of Han oxaziclomefones and pendimethalin

Technical field

The invention belongs to herbicide technology field, the herbicide group of more particularly to a kind of Han oxaziclomefones and pendimethalin Compound and its application, and in particular to one kind is used to prevent and treat paddy rice, tobacco and dry crop selective herbicide, its Shi You oxazine The binary herbicidal composition that humulone and pendimethalin constitute for activity.

Background technology

From or so nineteen fifty large-area applications 2,4-drop, since the chlorine of 2 first 4 prevents and kill off rice terrace broad leaved weed, 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：1. weeds Resistance is protruded, wherein the resistance of propanil, propachlor, butachlor, benthiocarb is more protruded with barnyard grass, recently, difformed galingale herb, firefly The common weeds such as the Cyperaceaes such as Lin, angustifolia arrowhead herb, Monochoria korsakowii, Monochoria vaginalis, Pontederiaceae, Alismataceae are produced to sulfonylurea herbicide Resistance, makes weeding problem more complicated.2. perennial weeds harm turns into major issue, particularly Cyperaceae perennial weeds more For protrusion.3. advanced age barnyard grass and the problem of preventing and kill off of moleplant seed need to solve.4. the herbicide controlling spectrum of herbicide kind needs to be expanded, and extends Soil prevents and kill off the lasting phase of medicament.5. the demand for wide spectrum, selectivity herbicide kind strong, easy to use 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 the annual standing grain before bud Undergraduate course weeds are 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：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, medicament is mainly by the root system and cauline leaf basal sink of weeds, and generally within medication two weeks after, weeds cauline leaf takes off 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.

Pendimethalin English common name Pendimethalin, molecular formula C13H19N3O4, chemical name is N- (1- ethyls Propyl group) -2,6- dinitro -3,4- dimethylanilines.A kind of outstanding dry crop selective herbicide of pendimethalin, Ke Yiguang It is general to be applied to the various crop field weedings such as corn and soybean, peanut, cotton, direct-seeding dry rice, potato, tobacco, vegetables.At present, two The big herbicide in the Jia Wulingshi worlds the 3rd, sales volume is only second to steriland herbicide glyphosate, paraquat, is also to sell in the world The maximum selective herbicide of volume.Pendimethalin is selective herbicide, is used before Chinese medicine after planting sprouts, applicability Extensively.Without mixed soil after sprinkling, weeds growth of seedling can be prevented, it is aobvious to annual gramineous weed and part broad leaved weed effect Write.It should be noted that per season crop is used only once.

Needle spikesedge herb 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；Pendimethalin is selective herbicide, is used before Chinese medicine after planting sprouts, applicability is wide.Spray Without mixed soil after spilling, weeds growth of seedling can be prevented, it is notable to annual gramineous weed and part broad leaved weed effect.Need Note being used only once per season crop.Therefore, oxaziclomefone, pendimethalin are carried out rational mixture by inventor, find have Notable synergy, expands control of weeds spectrum, a dispenser and prevents and kill off rice terrace grass family, Cyperaceae and broad leaved weed, reduce dispenser time Number, reduces the effect of cost accounting.

The content of the invention

It is an object of the invention to provide a kind of Han oxaziclomefones and the herbicidal composition of pendimethalin, with herbicidal spectrum Extensively, preventive effect is good, and drug cost is low, is not likely to produce the herbicidal composition of drug-fast Han oxaziclomefones and pendimethalin.

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 pendimethalin, including containing active into a point oxazine grass Weight ratio between both ketone and pendimethalin, wherein , oxaziclomefones and pendimethalin is 99：1~1：99；Wherein, You Xuan Evil Weight ratio between both metribuzin and pendimethalin is 10：1~1：10；You Xuan oxaziclomefones and the cumulant of pendimethalin are The 0.1%~80% of the composition total weight.Oxaziclomefone and the cumulant of pendimethalin are weight sum.

Wherein, You Xuan oxaziclomefones and the cumulant of pendimethalin are the 2%~20% of the composition total weight.

Formulation is configured to when composition is applied.Combination dosage form is water dispersible granules or wettable powder or pulvis or particle Agent or suspending agent or dispersible oil-suspending agent.

According to method known in those skilled in the art, the combinations of herbicides of Han oxaziclomefones of the present invention and pendimethalin Any formulation agriculturally allowed can be configured to during thing practical application, preparation formulation is water dispersible granules, wettable powder, solvable Property pulvis, granule, suspending agent, 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, 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 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.

A kind of application of the herbicidal composition of Han oxaziclomefones and pendimethalin, described herbicidal composition is being prevented and kill off Application in rice seedling bed, tobacco, rice transplanting rice terrace and transplanting rice field annual grassy weeds and barnyard grass and corn field weed.

The invention has the advantages that：

1st, rationally, activity when preventive effect is administered alone better than each component, with synergistic effect, expands weeds to instant component Rice terrace grass family, Cyperaceae and broad leaved weed are prevented and kill off in preventing and treating spectrum, a dispenser, reduce spraying times, are reduced cost accounting, are subtracted The generation of slow Weed Resistance, it is good to crop safety, meet the security requirement of pesticidal preparations.

2nd, the present invention to most of paddy field weed such as rice field grassy weed, broad leaved weed and sedge weed all It is with preferable preventive effect and high to Security of rice.

Certainly, any product for implementing the present invention it is not absolutely required to while reaching all the above advantage.

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 rice terrace broad leaved weed, grassy weed and the sedge weed in agricultural production, inventor Yi Evil Metribuzin and Oxyfluorfen have carried out Toxicity Determination research, and specific method is that indoor pot method carries out cauline leaf process, examination Test reference《The part of farm-chemical indoor determination test rule herbicide the 9th》.

1.1 reagent agent

95% oxaziclomefone active compound；95% pendimethalin active compound.

1.2 for examination weeds

Procumbent Falsepimpernel Linderniaprocumbens (Krock.) Philcox (broad leaved weed)

Monochoria vaginalis Monochoria vaginalis (Pontederiaceae weeds)

Needle spikesedge herb Eleochaeis aciculaeis (sedge weed)

1.3 experimental design

The experiment sets 24 processing altogether, Qi Zhong oxaziclomefones and pendimethalin set 0.5 respectively, 1.5,2.5,3.5,4.5, 5.5 grams/ha of 6 dosage processing , oxaziclomefones are mixed with both pendimethalins set up separately 5.5+0.5,4.5+0.5,3.5+0.5, 2.5+0.5,1.5+0.5,0.5+0.5,0.5+1.5,0.5+2.5,0.5+3.5,0.5+4.5,0.5+5.5 grams/ha of 11 agent Proportioning processing is measured, 1 blank control is separately set, 24 processing is 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 Tween 80 emulsifying agent, 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 Procumbent Falsepimpernel, Monochoria vaginalis, the needle spikesedge herb 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, DG8003 sprays are put in weeds Procumbent Falsepimpernel, Monochoria vaginalis, needle spikesedge herb 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 (n-1)

In formula：X represents the herbicide 1 i.e. Weed-control effect of oxaziclomefone, and Y represents that the herbicide 2 i.e. weeds of pendimethalin prevent Effect, n represents that mixture herbicide kind is total (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 needle spikesedge herb growth of Shi oxaziclomefones single dose processing slows down, and Procumbent Falsepimpernel, Monochoria vaginalis start to occur Yellow symptom is withered until dead therewith, and the needle spikesedge herb terminal bud of dispenser pendimethalin processing in 7 days reddens, and starts dead, Monochoria vaginalis, Procumbent Falsepimpernel 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 pendimethalin of table 1 uses the visual observation (level) of 14 days Procumbent Falsepimpernels after medicine with

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

The oxaziclomefone pendimethalin of table 3 uses the visual observation (level) of 14 days needle spikesedge herbs after medicine with

From upper table 1-3 Ke it is mixed with pendimethalin with Kan Chu oxaziclomefones after produce addition, Procumbent Falsepimpernel, Monochoria vaginalis, Needle spikesedge herb Activity Rank is reduced.

21 days investigation results after 2.3 medicines

The oxaziclomefone pendimethalin of table 4 is mixed to the actual survival rate of Procumbent Falsepimpernel and theoretical survival rate

The mixed virulence to Procumbent Falsepimpernel of oxaziclomefone, pendimethalin：Oxaziclomefone is preferable to the preventive effect of Procumbent Falsepimpernel, is medicament Susceptible weeds, pendimethalin is general to the preventive effect of Procumbent Falsepimpernel, and Sui oxaziclomefone, the increase of pendimethalin consumption, after using with Preventive effect to Procumbent Falsepimpernel is improved.Actual preventive effect difference is generally higher than 10% after using with as seen from Table 4, to Procumbent Falsepimpernel after the two is mixed Preventive effect be in synergistic effect.

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

The mixed virulence to Monochoria vaginalis of oxaziclomefone, pendimethalin：The preventive effect one of oxaziclomefone, pendimethalin to Monochoria vaginalis As, Sui oxaziclomefone, the increase of pendimethalin consumption, it is mixed after the preventive effect of Monochoria vaginalis is greatly improved.Use with as seen from Table 5 Actual preventive effect difference afterwards 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 needle spikesedge herb of the oxaziclomefone pendimethalin of table 6

The mixed virulence to needle spikesedge herb of oxaziclomefone, pendimethalin：Oxaziclomefone is excellent to the preventive effect of needle spikesedge herb, is medicament Susceptible weeds, pendimethalin has stronger inhibitory action to needle spikesedge herb, and Sui oxaziclomefone, the increase of pendimethalin consumption, The preventive effect of needle spikesedge herb is greatly improved after mixed.Actual preventive effect difference after using with as seen from Table 6 is generally higher than 10%, and the two is mixed It is in synergistic effect with the rear preventive effect to needle spikesedge herb.

From above result of the test Ke to find out that , oxaziclomefones, pendimethalin are used with, it is in Procumbent Falsepimpernel, Monochoria vaginalis, needle spikesedge herb Synergistic effect, it is mixed to expand herbicide controlling spectrum, delay Weed Resistance, Jiang Di oxaziclomefones and both pendimethalins single dose content, Total preventive effect is improved, application cost is reduced, safer to crop, the two, which is used with, in production certain feasibility.

Present invention is further illustrated with reference to embodiment.

Example of formulations 1

Weighing 40% pendimethalin, 40% oxaziclomefone, 3%TERSPERSE 2700, (poly- carboxylic hydrochloric acid, U.S.'s Hensel steps public affairs Department 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 are frequent The method of regulation water intaking dispersible granule is that mixing, ultra micro air-flow crushing, mixing, granulation step produce 80% oxaziclomefone diformazan Penta Lingshui Spring dispersible granule.

Example of formulations 2

Weigh 12% pendimethalin, 64% oxaziclomefone, 3%TERSPERSE 2700,4% sodium lignin sulfonate, 1% drawing Open powder BX, 1%K-12,1% carboxymethyl cellulose, 3% urea, diatomite and add to 100% parts by weight.The frequent regulation of above-mentioned raw materials The method of water intaking dispersible granule is that mixing, ultra micro air-flow crushing, mixing, granulation step produce 76% oxaziclomefone pendimethalin Water dispersible granules.

Example of formulations 3

Weigh 32% pendimethalin, 11% oxaziclomefone, 4%TERSPERSE 2700,1% Nekal BX, 1%K-12, 0.8% dextrin, 5% ammonium sulfate, attapulgite add to 100% parts by weight.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 43% oxaziclomefone pendimethalin water dispersible granules.

Example of formulations 4

Weigh 20% pendimethalin, 2.5% oxaziclomefone, 4%Morwet D-425 (alkylnaphthalene sulfonate, Aksu promise Bel produce), 3% dispersing agent NNO, 2% Nekal BX, 2%K-12,2% polyvinylpyrrolidone, 2.5% xanthans, kaolinite Soil 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 produces 22.5% oxaziclomefone pendimethalin water dispersible granules

Example of formulations 5

Weigh 30% pendimethalin, 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 54% oxaziclomefone diformazan is made after air-flow crushing Penta clever wettable powder

Example of formulations 6

Weigh 32% pendimethalin, 23% oxaziclomefone, 4% calcium lignosulfonate, 3%TERSPERSE2700,2% drawing Open powder BX, 1%K-12,3% White Carbon black, precipitated calcium carbonate and add to 100% parts by weight.Above-mentioned raw materials are blended, after air-flow crushing 55% oxaziclomefone pendimethalin wettable powder is made

Example of formulations 7

Weigh 13% pendimethalin, 31% oxaziclomefone, 4% calcium lignosulfonate, 3% dispersing agent NNO, 1% pull open powder BX, 1%K-12,3% White Carbon black, attapulgite add to 100% parts by weight.Above-mentioned raw materials are blended, are made after air-flow crushing 44% oxaziclomefone pendimethalin wettable powder

Example of formulations 8

Weigh 23% pendimethalin, 45% oxaziclomefone, 4% sodium lignin sulfonate, 2%TERSPERSE2700,2%K- 12nd, 3% White Carbon black, clay add to 100% parts by weight.Above-mentioned raw materials are blended, and 68% Mi oxazines grass is made after air-flow crushing Ketone pendimethalin wettable powder

Example of formulations 9

Weigh 38% pendimethalin, 42% oxaziclomefone, 5% White Carbon black, kaolin and add to 100% parts by weight.Above-mentioned original Material is blended, and 80% oxaziclomefone pendimethalin soluble powder is made after air-flow crushing.

Example of formulations 10

Weigh 23% pendimethalin, 25% oxaziclomefone, 10% diatomite, talcum powder and add to 100% parts by weight.Above-mentioned original Material is blended, and 48% oxaziclomefone pendimethalin soluble powder is made after air-flow crushing.

Example of formulations 11

32% pendimethalin, 11% oxaziclomefone, 3% paraffin, 1% White Carbon black, 1% iron oxide, sand is weighed to add to 100% parts by weight., is standby Jiang oxaziclomefone, pendimethalin and White Carbon black co-grinding into female powder in coating method granulation above-mentioned raw materials With；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, stirred Mix 5~10 minutes, cool to normal temperature, 43% oxaziclomefone pendimethalin granule is made

Example of formulations 12

Weigh 2% pendimethalin, it is 8% oxaziclomefone, 15% starch, 2.5% polyvinylpyrrolidone, 1% iron oxide, light Matter calcium adds to 100% parts by weight.Extrude granulation granulation.Above-mentioned raw materials are blended, after air-flow crushing, and add water kneading, is squeezed into Grain, and dry, sieve, 10% oxaziclomefone pendimethalin granule is made.

Example of formulations 13

Weigh 8% pendimethalin, 12% oxaziclomefone, 3%TERSPERSE 4894,2%TERSPERSE2500,1% TERSPERSE 2425,0.2% xanthans, 5% ethylene glycol, 0.3% benzoic acid, 2.5% organic silicon defoamer, deionized water add To 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 20% oxazine grass is made after being sanded with sand mill Ketone pendimethalin suspension.

Example of formulations 14

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

Example of formulations 15

Weigh 6% pendimethalin, 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 disappear Infusion, deionized water adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, after being sanded with sand mill 16% oxaziclomefone pendimethalin suspension is made.

Example of formulations 16

Weigh 20% pendimethalin, 10% oxaziclomefone, 3% Nongru-700 #, 2% agriculture breast 1601#, 1.5%TERSPERSE 2500th, 2.5%TERSPERSE 2425,0.2% xanthans, 3% white carbon, 5% ethylene glycol, 0.3% benzoic acid, 2.5% have Machine silicon defoaming agent, deionized water adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, uses sand mill 30% oxaziclomefone pendimethalin suspension is made after sand milling.

Example of formulations 17

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

Example of formulations 18

Weigh 3% pendimethalin, 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.On State raw material blended, high speed shear disperses 30min, 6% oxaziclomefone pendimethalin is made after being sanded with sand mill dispersible Oil-suspending agent.

Example of formulations 19

Weigh 4% pendimethalin, 6% oxaziclomefone, this disk -60# of 3%TERSPERSE 2425,3%, 3% tween - The white carbon of 60#, 8%BY-110,1%TERSPERSE 2500,2.5%, 5% propane diols, 20% epoxidized soybean oil, methyl oleate 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 The dispersible oil-suspending agent of ketone pendimethalin.

Example of formulations 20

Weigh 5% pendimethalin, 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, dish Seed oil adds to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, and 7.5% is made after being sanded with sand mill The dispersible oil-suspending agent of oxaziclomefone pendimethalin.

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

Inventor has carried out 6% oxaziclomefone diformazan penta on June 1st, 2010 in Jiaxing City, Zhejiang Province rice direct seeding field Experiment of clever (3%+3%) the dispersible oil-suspending agent to paddy field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, Procumbent Falsepimpernel, Needle spikesedge herb and difformed galingale herb, weed size is in 2~4 leaf phases.Test medicine and dosage are that 6% oxaziclomefone pendimethalin can divide Dissipate 20g/ mus of oil-suspending agent, 30g/ mus, 40g/ mus, dispersible oil suspending agent 60ml/ mus of 25g/ Sheng oxaziclomefones, 10% pendimethalin 20g/ mus of wettable powder.Using conventional spray-on process.

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

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

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

Result of the test shows：After dispersible oil suspending agent 30g/ mus of 6% oxaziclomefone pendimethalin, 40g/ mus of medicines 30 days it is right Monochoria korsakowii, Procumbent Falsepimpernel, Eclipta prostrata, Monochoria vaginalis, the average strain preventive effect of needle spikesedge herb and fresh weight preventive effect are all remarkably higher than comparison medicament 2.5% Dispersible oil suspending agent 60ml/ mus of oxaziclomefone, 20g/ mus of 10% pendimethalin wettable powder, illustrate 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 55% oxaziclomefone diformazan on June 25th, 2010 in Xianju County in Zhejiang Province transplanted rice field The experiment of penta clever (32%+23%) WP on Rice field weed.Field main weeds have Eclipta prostrata, Monochoria korsakowii, Procumbent Falsepimpernel, Needle spikesedge herb and Monochoria vaginalis, weed size is in 2~4 leaf phases.Test medicine and dosage are that 55% oxaziclomefone pendimethalin is wettable 8g/ mus of pulvis of property, 10g/ mus, 12g/ mus, 60ml/ mus of 25g/ Sheng oxaziclomefone oil suspending agents, 10% pendimethalin wettable powder 20g/ mus.Using conventional spray-on process.

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

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

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

Result of the test shows：After 55% 10g/ mus, 12g/ mus of oxaziclomefone pendimethalin wettable powder medicine 30 days it is right Monochoria korsakowii, Procumbent Falsepimpernel, Eclipta prostrata, Monochoria vaginalis, the average strain preventive effect of needle spikesedge herb and fresh weight preventive effect are above comparison medicament 25g/ Sheng Evil Dispersible oil suspending agent 60ml/ mus of metribuzin, 20g/ mus of 10% pendimethalin wettable powder, illustrate after two medicament mixtures in crop field There is obvious synergistic effect in use, 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.

Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed All details of narration, it is only described embodiment that the invention is not limited yet.Obviously, according to the content of this specification, It 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 (7)

1. the herbicidal composition of a kind of Han oxaziclomefones and pendimethalin, it is characterised in that：Containing active into a point oxaziclomefone And pendimethalin, the weight ratio between the two is (99：1)~(1：99).

2. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 and pendimethalin, it is characterised in that institute Weight ratio between both Shu oxaziclomefones and pendimethalin is (10：1)~(1：10).

3. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 or 2 and pendimethalin, its feature exists In the cumulant of Suo Shu oxaziclomefones and pendimethalin is the 0.1%~80% of the composition total weight.

4. the herbicidal composition of a kind of Han oxaziclomefones according to claim 3 and pendimethalin, it is characterised in that institute Shu oxaziclomefones and the cumulant of pendimethalin are the 2%~20% of the composition total weight.

5. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 and pendimethalin, it is characterised in that institute State when composition is applied and be configured to formulation.

6. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 and pendimethalin, it is characterised in that institute Combination dosage form is stated for water dispersible granules or wettable powder or pulvis or granule or suspending agent or dispersible oil-suspending agent.

7. a kind of application of the herbicidal composition of Han oxaziclomefones and pendimethalin as described in claim 1-6 is any one, Characterized in that, described herbicidal composition is preventing and kill off rice seedling bed, tobacco, rice transplanting rice terrace and transplanting rice field 1 year Application in raw weeds and barnyard grass and corn field weed.