CN107094779A - Herbicidal composition and its application of a kind of Han oxaziclomefones and S-metolachlor - Google Patents

Abstract

The invention discloses herbicidal composition and its application of a kind of Han oxaziclomefones and S-metolachlor.Including containing active into point oxaziclomefone and a S-metolachlor, wherein, the weight ratio between both oxaziclomefone and S-metolachlor is 99：1~1：99；Weight ratio between both You Xuan oxaziclomefones and S-metolachlor is 10：1~1：10；Oxaziclomefone and the cumulant of S-metolachlor are the 0.1%~82% of the composition total weight；You Xuan oxaziclomefones and the cumulant of S-metolachlor are the 2%~20% of the composition total weight.The composition component of 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 and S-metolachlor

Technical field

The invention belongs to herbicide technology field, the weeding of more particularly to a kind of Han oxaziclomefones and S-metolachlor Agent composition and its application；Specifically related to a kind of weeding for being used to prevent and treat rice field annual grassy weeds and some broad leaved weeds Agent, the binary herbicidal composition that it is made up of oxaziclomefone and S-metolachlor 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 more being protruded the resistance of propanil, S-metolachlor, S-metolachlor, benthiocarb with Herba portulacae, most Closely, the common weed such as Cyperaceae, Pontederiaceae, Alismataceae such as Monochoria vaginalis, firefly Lin, angustifolia arrowhead herb, Monochoria korsakowii, different in nature nutgrass flatsedge grass is to sulphur Sulfonylurea herbicide generates resistance, makes weeding problem more complicated.2. perennial weeds harm turns into major issue, particularly Sha Careless section 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 kind is killed Grass spectrum needs to be expanded, and extends the lasting phase that soil prevents and kill off medicament.5. for wide spectrum, selectivity herbicide strong, easy to use The demand of kind 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：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.

S-metolachlor English common name s-metolachlor, molecular formula C15H22ClNO2.S-metolachlor belongs to In selective preemergence herbicide, be mainly used in corn and soybean, peanut, sugarcane, it can also be used to the cotton of non-sand loam soil, rape, The crop such as potato and onion, capsicum, wild cabbage, preventing and treating annual grassy weeds and some broad leaved weeds, make native face processing before budding. The dispenser under drought condition of outdoor cropping crop, shallow mixed soil should be carried out rapidly, the dispenser of plastic mulched crop field does not mix soil, necessary after dispenser Overlay film immediately.The longevity of residure is generally 30-35 days, so a dispenser need to combine artificial or other weeding measures, could effectively control Fabrication time of infertility weed encroachment.Using pesticide-clay mixture method, dispenser before and after raining or irrigating should be rested in.Rice seedling bed must not be used for With live field, dosage must not be arbitrarily increased.

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；It is mainly used in corn and soybean, peanut, sugarcane, it can also be used to cotton, rape, the horse of non-sand loam soil The crop such as bell potato and onion, capsicum, wild cabbage, preventing and treating annual grassy weeds and some broad leaved weeds, make native face processing before budding.Cause This, oxaziclomefone, S-metolachlor are carried out rational mixture by inventor, find there is notable synergy, expansion control of weeds spectrum, Rice terrace grass family, Cyperaceae and broad leaved weed are prevented and kill off in dispenser, reduce spraying times, reduce 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 S-metolachlor, with group Division is managed, and herbicidal spectrum is wide, and preventive effect is good, and drug cost is low, is not likely to produce drug-fast Han oxaziclomefones and S-metolachlor Herbicidal composition.

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 S-metolachlor, containing active into a point oxazine grass Weight ratio between both ketone and S-metolachlor, wherein , oxaziclomefones and S-metolachlor is 99：1~1：99；It is preferred that Weight ratio between both oxaziclomefone and S-metolachlor is 10：1~1：10；The accumulation of oxaziclomefone and S-metolachlor Measure as the 0.1%~82% of the composition total weight；You Xuan oxaziclomefones and the cumulant of S-metolachlor are described The 2%~20% of composition total weight；Oxaziclomefone and the cumulant of S-metolachlor are weight sum.

Further, formulation is configured to when the composition is applied.

Further, the combination dosage form is water dispersible granules or wettable powder or pulvis or granule or suspending agent Or dispersible oil-suspending agent.

According to method known in those skilled in the art, the herbicide of Han oxaziclomefones of the present invention and S-metolachlor Can be configured to any formulation agriculturally allowed during composition practical application, preparation formulation be water dispersible granules, wettable powder, Soluble powder, 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 S-metolachlor, described herbicidal composition exists Prevent and kill off the application in rice seedling bed, direct seading rice field, rice transplanting rice terrace and transplanting rice field annual grassy weeds and broad leaved weed.

The invention has the advantages that：

1st, composition component of the 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, reduce spraying times, reduction is anti- Cost is controlled, slows down the generation of Weed Resistance, it is good to crop safety, meet the security requirement of pesticidal preparations.

2nd, composition of the invention is to most of paddy rice such as rice field grassy weed, broad leaved weed and sedge weed Field weed all has 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% S-metolachlor 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 S-metolachlor set 1.5 respectively, 4.0,6.5,9.0, 11.5th, , oxaziclomefones are mixed with both S-metolachlors sets up 14.0+1.5,11.5+ separately for the processing of 14.0 grams/ha of 6 dosage 1.5、9.0+1.5、6.5+1.5、4.0+1.5、1.5+1.5、1.5+4.0、1.5+6.5、1.5+9.0、1.5+11.5、1.5+14.0 Grams/ha of 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；

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 the miscellaneous of the i.e. S-metolachlor of herbicide 2 Careless preventive 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 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 S-metolachlor 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 S-metolachlor of table 1 uses the visual observation (level) of 14 days mexicanas after medicine with

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

The oxaziclomefone S-metolachlor 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 S-metolachlor 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 S-metolachlor of table 4 is mixed to the actual survival rate of mexicana and theoretical survival rate

The mixed virulence to mexicana of oxaziclomefone, S-metolachlor：Oxaziclomefone is preferable to the preventive effect of mexicana, is The susceptible weeds of medicament, S-metolachlor is general to the preventive effect of mexicana, and Sui oxaziclomefone, S-metolachlor 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 S-metolachlor of table 5

The mixed virulence to Monochoria vaginalis of oxaziclomefone, S-metolachlor：Oxaziclomefone, S-metolachlor are to Monochoria vaginalis Preventive effect it is general, Sui oxaziclomefone, the increase of S-metolachlor 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 S-metolachlor of table 6

The mixed virulence to Herba portulacae of oxaziclomefone, S-metolachlor：Oxaziclomefone is excellent to the preventive effect of Herba portulacae, is The susceptible weeds of medicament, S-metolachlor has stronger inhibitory action to Herba portulacae, and Sui oxaziclomefone, S-metolachlor 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, S-metolachlor 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 S-metolachlors Agent content, improves total preventive effect, reduces application cost, safer to crop, and the two mixed has certain feasible in production Property.

Present invention is further illustrated with reference to embodiment.

Example of formulations 1

Weigh 40% S-metolachlor, 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 S-metolachlor water dispersible granules.

Example of formulations 2

Weigh 2% S-metolachlor, 64% 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 essence Isopropyl methoxalamine water dispersible granules.

Example of formulations 3

Weigh 32% S-metolachlor, 1% 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 S-metolachlor water-dispersible grain Agent.

Example of formulations 4

Weigh 20% S-metolachlor, 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 S-metolachlor water dispersible granules

Example of formulations 5

Weigh 3% S-metolachlor, 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 essence is made after air-flow crushing Isopropyl methoxalamine wettable powder

Example of formulations 6

Weigh 32% S-metolachlor, 23% oxaziclomefone, 4% calcium lignosulfonate, 3%TERSPERSE2700, 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 S-metolachlor wettable powder after broken

Example of formulations 7

Weigh 21% S-metolachlor, 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 S-metolachlor wettable powder

Example of formulations 8

Weigh 15% S-metolachlor, 55% oxaziclomefone, 4% sodium lignin sulfonate, 2%TERSPERSE2700, 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 S-metolachlor wettable powder

Example of formulations 9

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

Example of formulations 10

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

Example of formulations 11

27% S-metolachlor, 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, S-metolachlor 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 S-metolachlor granule is made.

Example of formulations 12

Weigh 2% S-metolachlor, 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 S-metolachlor granule is made.

Example of formulations 13

Weigh 8% S-metolachlor, 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, 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 S-metolachlor suspending agent.

Example of formulations 14

Weigh 5% S-metolachlor, 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 S-metolachlor suspending agent.

Example of formulations 15

Weigh 6% S-metolachlor, 10% oxaziclomefone, 3%TERSPERSE 4894,1%TERSPERSE2500, 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 S-metolachlor suspending agent is made afterwards.

Example of formulations 16

Weigh 20% S-metolachlor, 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 S-metolachlor suspending agent after being sanded with sand mill.

Example of formulations 17

Weigh 3% S-metolachlor, 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 S-metolachlor.

Example of formulations 18

Weigh 3% S-metolachlor, 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 S-metolachlor is made after being sanded with sand mill Dispersible oil-suspending agent.

Example of formulations 19

Weigh 4% S-metolachlor, 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 S-metolachlor.

Example of formulations 20

Weigh 5% S-metolachlor, 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 S-metolachlor.

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

Inventor has carried out the smart isopropyl of 6% oxaziclomefone on June 1st, 2010 in Jiaxing City, Zhejiang Province rice direct seeding field Experiment of alachlor (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 the smart isopropyl first of 6% oxaziclomefone Careless dispersible oil-suspending agent 20g/ mus of amine, 30g/ mus, 40g/ mus, dispersible oil suspending agent 60ml/ mus of 25g/ Sheng oxaziclomefones, 10% 20g/ mus of S-metolachlor wettable powder.Using conventional spray-on process.

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

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

The dispersible oil suspending agent of oxaziclomefone S-metolachlor 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 S-metolachlor, 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% S-metolachlor 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

It is different that inventor in Xianju County in Zhejiang Province transplanted rice field carried out 55% oxaziclomefone essence on June 25th, 2010 The experiment of methoxalamine (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 the smart isopropyl first of 18% oxaziclomefone Careless 8g/ mus of amine wettable powder, 10g/ mus, 12g/ mus, 60ml/ mus of 25g/ Sheng oxaziclomefone oil suspending agents, 10% smart isopropyl first grass 20g/ mus of amine wettable powder.Using conventional spray-on process.

The oxaziclomefone S-metolachlor WP on Rice transplant field weed control efficacy of table 10 55%

The oxaziclomefone S-metolachlor WP on Rice transplant field weed control efficacy of table 11 55%

The oxaziclomefone S-metolachlor WP on Rice transplant field weed control efficacy of table 12 55%

Result of the test shows：30 after 18% 10g/ mus, 12g/ mus of oxaziclomefone S-metolachlor 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% S-metolachlor 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.

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 S-metolachlor, it is characterised in that：Containing active into a point oxazine Humulone and S-metolachlor, the weight ratio between the two are (99：1)~(1：99).

2. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 and S-metolachlor, its feature exists In the weight ratio between both Suo Shu oxaziclomefones and S-metolachlor is (10：1)~(1：10).

3. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 or 2 and S-metolachlor, its feature It is, the cumulant of Suo Shu oxaziclomefones and S-metolachlor is the 0.1%~82% of the composition total weight.

4. the herbicidal composition of a kind of Han oxaziclomefones according to claim 3 and S-metolachlor, its feature exists In the cumulant of Suo Shu oxaziclomefones and S-metolachlor is the 2%~20% of the composition total weight.

5. the herbicidal composition of a kind of Han oxaziclomefones according to claim 1 and S-metolachlor, its feature exists In the composition is configured to formulation when applying.

6. the herbicidal composition of a kind of Han oxaziclomefones according to claim 5 and S-metolachlor, its feature exists In the combination dosage form is that water dispersible granules or wettable powder or pulvis or granule or suspending agent or dispersible oil suspend Agent.

7. the herbicidal composition of a kind of Han oxaziclomefones and S-metolachlor as described in claim 1-6 is any one should With, it is characterised in that described herbicidal composition is preventing and kill off rice seedling bed, direct seading rice field, rice transplanting rice terrace and is transplanting water Application between rice field in annual grassy weeds and broad leaved weed.