CN102379303A - Wheat post-emergence compound herbicide - Google Patents

Wheat post-emergence compound herbicide Download PDF

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Publication number
CN102379303A
CN102379303A CN2011104211652A CN201110421165A CN102379303A CN 102379303 A CN102379303 A CN 102379303A CN 2011104211652 A CN2011104211652 A CN 2011104211652A CN 201110421165 A CN201110421165 A CN 201110421165A CN 102379303 A CN102379303 A CN 102379303A
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methyl
bensulfuron
sulphurs
wheat
grand
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龚国斌
陈克付
程小虎
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Anhui Fengle Agrochemical Co Ltd
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Anhui Fengle Agrochemical Co Ltd
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Abstract

The invention relates to the technical field of agricultural chemicals and discloses a wheat post-emergence compound herbicide. The wheat post-emergence compound herbicide comprises two active ingredients including mesosulfuron-methyl and bensulfuron-methyl; the weight ratio of mesosulfuron-methyl and bensulfuron-methyl 1:4-10; preferably, the mass percent of mesosulfuron-methyl and bensulfuron-methyl in the compound herbicide is 3% to 85%. The post-emergence compound herbicide provided by the invention can prevent and eliminate not only annual grass family weeds but also broadleaf weeds, and the weeding effect is remarkable; besides, the post-emergence compound herbicide has remarkable synergism, has no influence on succeeding crops and is an ideal herbicide.

Description

A kind of mixed herbicide of wheat after seedling
Technical field
The present invention relates to technical field of pesticide, be specifically related to a kind of mixed herbicide of wheat after seedling.
Background technology
Wheat is one of staple food crop of northern China, also is important forage crop, and the long-term cultivated area of China is only second to the paddy rice cultivated area at more than 3,000 ten thousand hectares.Wheatland crop smothering area accounts for more than 30% of total cultivated area, and wherein serious injured area is more than 8%, and the general underproduction can be had no harvest when serious more than 15%.Therefore, the usage ratio of domestic wheat paddock weed killer herbicide almost reaches 100%, and its dosage is very big.At present; Behind the domestic wheat paddock seedling there be the main medicament of weed killer herbicide of management of weeds: fenoxaprop, methyl two sulphurs are grand, fluorine azoles sulphur is grand, tribenuron-methyl, fluroxypyr, dicamba, metsulfuron-methyl, thifensulfuron methyl, isoproturon etc.; But because of using for many years, many weeds have produced pesticide resistance, cause its consumption to strengthen; Make wheat produce recessive poisoning and the underproduction easily, and also not too safe to succession crop.In addition, because the use of chemical herbicide for many years, variation has taken place in the weed control of China, and originally the north is that main, south is to act the leading role to become that the South and the North is grass family and broad leaved weed coexists with the broad leaved weed with the grassy weed.So just press for and can prevent and kill off the wheat paddock grassy weed, can prevent and kill off broad leaved weed again, neither influence the safety of succession crop, friendly to environment again weed killer herbicide, and this type of weed killer herbicide of China is seldom seen at present.
Methyl two sulphurs are grand to be selective herbicide behind the sulfonylurea inner sucting conduction type seedling, is the inhibitor of acetolactate synthase.Grass cutting blade promptly stops growing after absorbing medicament, withered gradually.The longevity of residure of this medicine in soil is short, does not influence the second stubble crop growth.Be mainly used in wheat, naked barley etc. remove grassy weed and some broad leaved weed.
Bensulfuron-methyl is a selectivity inner sucting conduction type weed killer herbicide.Medicament is diffusion rapidly in water, after weeds root and blade absorption, transfers to other position, hinders the branched-chain amino acid biosynthesis.The susceptible weeds GF is obstructed, tender tissue turns to be yellow too early, suppresses leaf portion, root growth.Can effectively prevent and treat rice field life in 1 year and perennial broadleaf weed and nutgrass flatsedge, can and pass to other positions by weeds root, leaf absorption.To rice safety, method for using is flexible.In recent years find wheat also very safely, herbicidal effect is good.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can prevent and kill off grassy weed, can prevent and kill off broad leaved weed again, and respond well mixed herbicide of wheat after seedling.。
In order to realize the foregoing invention purpose, the present invention provides following technical scheme:
A kind of mixed herbicide of wheat after seedling comprises the grand and bensulfuron-methyl of methyl two sulphurs, and the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 3.5~1: 8.
As preferably, the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 3.5~1: 6.5 in the complex weedicide according to the invention.
More preferably, the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 5 in the complex weedicide according to the invention.
On the other hand, the grand quality percentage composition with bensulfuron-methyl of methyl two sulphurs in the said complex weedicide is provided is 3~85% of said complex weedicide in the present invention.
As preferably, in the complex weedicide according to the invention, methyl two sulphurs grand with two kinds of active components of bensulfuron-methyl according to above-mentioned weight ratio composite after, process oil-suspending agent, wetting powder, water dispersible granules (dry suspending agent).
Synergy after being mixed with the co-toxicity coefficient method evaluation of Sun Yunpei; The result shows that methyl two sulphurs are grand, bensulfuron-methyl in the composite co-toxicity coefficient of 1: 3.5~1: 8 ratio obviously greater than 120; Reach remarkable synergistic effect; Explain that methyl two sulphurs are grand, that bensulfuron-methyl is mixed in 1: 3.5~1: 8 ratio is comparatively suitable, annual single broadleaf weed is had significant synergies.
Safety determination test to wheat shows that the composite cauline leaf of the grand bensulfuron-methyl of methyl two sulphurs is handled, and suppresses the ED of wheat growth 10% 10=633.5774, the ED of inhibition weed growth 90% 90=147.8637, selectivity factor is 633.5774/147.8637=4.28>2, thinks that this medicament has obvious selectivity, and the grand bensulfuron-methyl of methyl two sulphurs has good safety to wheat.
Complex weedicide according to the invention shows through the field control effectiveness test in 2 years, arrives period of seedling establishment in the 3 leaf phases of wheat, and weeds 1-5 leaf does not wait the phase, and wheat is not seen symptom of chemical damage from the dispenser to the maturing stage, to wheat safety.The preventive effect of weeds reached more than 70% in 20 days, reached more than 90% in 60 days, along with the increase of dosage; Preventive effect obviously strengthens, and a dispenser can be controlled the weeds in the crop whole growth phase, and not only herbicidal effect is remarkable; And environmentally friendly, second stubble crop there is not influence.
Compared with prior art, complex weedicide according to the invention can be prevented and kill off broad leaved weed, can prevent and kill off grassy weed again, to wheat safety, and succession crop is not had influence, has a good application prospect.
Embodiment
The invention discloses a kind of grand mixed herbicide of wheat after seedling with two kinds of active components of bensulfuron-methyl of methyl two sulphurs that comprises, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as and are included in the present invention.Product of the present invention and application are described through preferred embodiment; The related personnel obviously can change or suitably change and combination methods and applications as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
Below in conjunction with embodiment, further set forth the present invention:
Embodiment 1: (methyl two sulphurs are grand: bensulfuron-methyl=1: 4) to prepare the oil-suspending agent of complex weedicide according to the invention
4% methyl, two sulphurs swell the bensulfuron-methyl oil-suspending agent, and 4% is meant that methyl two sulphurs are grand accounts for the percentage of gross weight with two kinds of active components of bensulfuron-methyl.It is grand to get 0.8kg methyl two sulphurs, the 3.2kg bensulfuron-methyl, and 8kg Pluronic125, the 5kg propane diols, the 0.5kg xanthans, methylated vegetable oil complements to 100kg.Pass through abundant mixing preparation, ball mill grinding, adjust, be packaged to be oil-suspending agent.
Embodiment 2: (methyl two sulphurs are grand: bensulfuron-methyl=1: 5) to prepare the wetting powder of complex weedicide according to the invention
30% methyl, two sulphurs swell the bensulfuron-methyl wetting powder, and 30% is meant that methyl two sulphurs are grand accounts for the percentage of gross weight with two kinds of active components of bensulfuron-methyl.It is grand to get 5kg methyl two sulphurs, the 25kg bensulfuron-methyl, and 4kg dispersant NNO, 3kg wetting agent K12, the white carbon black of 4kg, precipitated calcium carbonate complements to 100kg.Through fully mixing, comminution by gas stream, mixing, obtain wetting powder.
Embodiment 3: (methyl two sulphurs are grand: bensulfuron-methyl=1: 6) to prepare the water dispersible granules of complex weedicide according to the invention
70% methyl, two sulphurs swell the bensulfuron-methyl water dispersible granules, and 70% is meant that methyl two sulphurs are grand accounts for the percentage of gross weight with two kinds of active components of bensulfuron-methyl.It is grand to get 10kg methyl two sulphurs, the 60kg bensulfuron-methyl, and 7kg D-425,5kg EFW, 5kg ammonium sulfate, the 2kg polyethylene glycol, kaolin supplies 100%, obtains water dispersible granules through fully mixing, comminution by gas stream, mixing, granulation, drying and screening.
Embodiment 4: methyl two sulphurs are grand handles the indoor determination of activity of synergy with the bensulfuron-methyl cauline leaf
1, test objective
Under greenhouse experiment; Adopt the pot experiment method; Research methyl two sulphurs are grand, the herbicidal effect of bensulfuron-methyl binary built, and the synergy type after using with the two different proportion of co-toxicity coefficient method evaluation of Sun Yunpei, and grand and rationally being mixed of bensulfuron-methyl provides scientific basis for methyl two sulphurs.
2, experimental condition
2.1 supply to study the thing wheat breed: Anhui wheat 33
2.2 for the test weeds sophia (Descurainia? Sophia (L.) Schur), cleavers (Galium? Aparine? L.), Wang grass (Beckmannia? Syzigachne (Steud.) Fern), wild oat (Avena? Fatua ? L.) seeds harvested field last year, the germination rate above 85%).
2.3 the cultivation of experimental condition and examination material
In the illumination cultivation chamber, the make an experiment cultivation of material, temperature 15-20 ℃.Choosing diameter is 15cm, highly is the vinyon basin alms bowl of 15cm, and the permeable hole of 1cm diameter is beaten in the bottom of basin alms bowl.Permeable hole covers with double-deck filter paper, and soil is soaked into clear water from the bottom in the high 10cm of loam to the alms bowl place that the preparation in advance of packing in the alms bowl was sterilized.During test, every kind of weed seed 30-40 grain is evenly put into basin, earthing 0.5cm should replenish the required moisture of growth between the weeds culture period.
2.4 other condition
With the regular moisturizing of mode (not watering in 2 days behind the medicine) of bottom infiltration, keep soil moisture.
3 experimental scheme
3.1 medicament
3.1.1 supply the reagent agent
93% methyl, two sulphurs swell former medicine (Bayer crop science company);
The former medicine of 96% bensulfuron-methyl (Jiangsu Kuaidaagricultural Chemical Co., Ltd).
3.1.2 supply the preparation of reagent agent soup
Take by weighing quantitative former medicine with electronic balance, add an amount of emulsifier, use acetone solution, with 0.1% soil temperature 80 aqueous solution above-mentioned former medicine is diluted to desired concn at last.
3.1.3 experimental scheme
3.1.3.1 methyl two sulphurs are grand and the synergy of bensulfuron-methyl
Methyl two sulphurs are grand, bensulfuron-methyl list agent and 5 methyl two sulphurs are grand establishes 5 dosage respectively with the bensulfuron-methyl mixture preparation, and said ratio is the grand active component weight ratios with bensulfuron-methyl of methyl two sulphurs.Other establishes blank, and repetition 4 times is handled in each test.Handle drug dose and see table 1 for details.
Table 1 test is handled and test level (concentration ga.i./mu)
Figure BSA00000637231000041
Figure BSA00000637231000051
3.2 application method
3.2.1 application method
Handle in 3 leaf phases of wheat, the spraying of weeds 2-4 leaf phase cauline leaf.The spray medicine adopts the indoor overhead traveling crane formula spray testing device of adjustable speed, the conventional spray method in simulation field.Shower nozzle is a Fan spray head, and model is the Teejer8002E type, 40 kilograms/mu of spray values.0.5 meter of spray height, 0.7 meter of spraying swath, leg speed 0.224 meter per second.Atomisation pressure 2.0 MPas, 697 liters/minute of flows.
3.2.2 spraying time and number of times
Tested in the wheat 3-5 leaf phase and carry out reagent spray processing, dispenser 1 time.
4 investigation methods
The symptom of being injured of detail record wheat and weeds after the dispenser, 20d behind the medicine carries out fresh weight and measures, and compares with control treatment, calculates the fresh weight preventive effect.
4.1 synergy assay method
Synergy type after result of the test is used with the co-toxicity coefficient method evaluation of Sun Yunpei.
According to SUN, Y-P (Sun Yunpei) method is calculated its actual toxicity index, the theoretical toxicity index of mixture, co-toxicity coefficient.With the concentration logarithm is X, and damage by disease and insect preventive effect probit value is Y, asks regression equation.
Actual toxicity index=standard medicament LD 50The LD of/mixture 50* 100
Theoretical toxicity index=∑ (supplying the toxicity index * percentage of this medicament active ingredient in mixture of reagent agent)
The actual toxicity index of co-toxicity coefficient=mixture/theoretical toxicity index * 100
Be the standard medicament with the bensulfuron-methyl in the test.
Criterion: co-toxicity coefficient<80 are antagonism, are summation action between 80-120, and>120 are synergistic effect.
5 results and analysis
5.1 methyl two sulphurs are grand and the synergy of bensulfuron-methyl
Be mixed to the fresh weight preventive effect of weeds with bensulfuron-methyl 5.1.1 methyl two sulphurs are grand, the result sees table 2.
Table 2 methyl two sulphurs are grand to be mixed behind the medicine 20d to the fresh weight preventive effect of weeds with bensulfuron-methyl
Figure BSA00000637231000061
Control efficiency is the mean value of four data in the table.
Be mixed to the synergy of weeds with bensulfuron-methyl 5.1.2 methyl two sulphurs are grand
Can be known by table 2: medicament is to toxic action situation and the preventive effect of weeds.Calculate its virulence regression equation, LD separately through formula 50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.List in table 3.
Table 3: methyl two sulphurs are grand to be mixed to the synergy of weeds with bensulfuron-methyl
Can know that by test the co-toxicity coefficient of handling C, D, E, F, G is respectively: 98.01,174.98; 330.56,251.30,199.18; Wherein the co-toxicity coefficient of D, E, F, G reaches remarkable synergistic effect all obviously greater than 120, and the co-toxicity coefficient of wherein handling E is maximum.
5.1.3 conclusion (of pressure testing)
Can know that through test methyl two sulphurs are grand, bensulfuron-methyl is mixed in 1: 3.5~1: 8 ratio all has synergistic effect, wherein, it is comparatively suitable that methyl two sulphurs are grand, bensulfuron-methyl was mixed by about 1: 5, and annual dicotyledonous weeds is had significant synergies.
6 overall merits
Measure the result by above synergy and show, methyl two sulphurs are grand, and the two is better with the composite effect of 1: 3.5~1: 8 ratio with bensulfuron-methyl, wherein with 1: 5 composite best results of left and right sides ratio.
Embodiment 5: the composite cauline leaf of the grand bensulfuron-methyl of methyl two sulphurs is handled the safety determination test to wheat
1, test objective:
Under greenhouse experiment, adopt the pot experiment method, research methyl two sulphurs are grand, bensulfuron-methyl binary built cauline leaf is handled the safety to wheat, with rationally being mixed of bensulfuron-methyl scientific basis are provided for methyl two sulphurs are grand.
2, experimental condition
2.1 supply to study the thing wheat breed: Anhui wheat 33
2.2 for the test weeds sophia (Descurainia? Sophia (L.) Schur), cleavers (Galium? Aparine? L.), Wang grass (Beckmannia? Syzigachne (Steud.) Fern), wild oat (Avena? Fatua ? L.) (previous year field harvest seed germination rate above 85%).
2.3 the cultivation of experimental condition and examination material
In the illumination cultivation chamber, the make an experiment cultivation of material, temperature 15-25 ℃.Choosing diameter is 15cm, highly is the vinyon basin alms bowl of 15cm, and the permeable hole of 1cm diameter is beaten in the bottom of basin alms bowl.Permeable hole covers with double-deck filter paper, and soil is soaked into clear water from the bottom in the high 10cm of loam to the alms bowl place that the preparation in advance of packing in the alms bowl was sterilized.During test, 20, every kind weed seed 30-40 of wheat seed grain is evenly put into basin earthing 0.5cm, put into the greenhouse and cultivate (15-25 ℃), should replenish the required moisture of growth between wheat seedling and weeds culture period.Stay the healthy and strong seedling of 10 strains after all sprouting, treat that wheat seedling length to 3~4 leaves and weeds grow to handle to dispenser in 3~5 o'clock.
2.4 other condition
With the regular moisturizing of mode (not watering in 2 days behind the medicine) of bottom infiltration, keep soil moisture.
3 experimental scheme
3.1 medicament
3.1.1 supply the reagent agent
93% methyl, two sulphurs swell former medicine (Bayer crop science company);
The former medicine of 96% bensulfuron-methyl (Jiangsu Kuaidaagricultural Chemical Co., Ltd).
3.1.2 supply the preparation of reagent agent soup
Take by weighing quantitative former medicine with electronic balance, add an amount of emulsifier, use acetone solution, with 0.1% soil temperature 80 aqueous solution above-mentioned former medicine is diluted to desired concn at last.
3.2 application method
3.2.1 application method
Handle in 3 leaf phases of wheat, the spraying of weeds 2-4 leaf phase cauline leaf.The spray medicine adopts the indoor overhead traveling crane formula spray testing device of adjustable speed, the conventional spray method in simulation field.Shower nozzle is a Fan spray head, and model is the Teejer8002E type, 40 kilograms/mu of spray values.0.5 meter of spray height, 0.7 meter of spraying swath, leg speed 0.224 meter per second.Atomisation pressure 2.0 MPas, 697 liters/minute of flows.
3.2.2 spraying time and number of times
Tested in the 3 leaf phases of wheat and carry out reagent spray processing, dispenser 1 time.
4 investigation and computational methods
4.1 crop investigation
After the dispenser, investigation is respectively handled wheat and is had or not symptom of chemical damage, if then detail record symptom of chemical damage, grade are arranged, and behind the medicine 20 days, measure and respectively handle the wheat fresh weight, calculate the fresh weight inhibiting rate, with of the safety of clear and definite test medicine to wheat.
4.2 weeds investigation
The symptom of being injured of detail record weeds (like growth inhibition, chlorosis, deformity etc.) after the dispenser, behind medicine 20 days, weeds acrial part fresh weight was respectively handled in weighing, calculated the fresh weight preventive effect of weeds.
4.3 computational methods
With DPS software the logarithm value of drug dose and the probability value of wheat fresh weight inhibiting rate are carried out regression analysis, the dosage ED when calculating correlation coefficient and suppressing crop 10% 10, and suppress weeds 90%ED 90, obtain selectivity index.
Selectivity index=ED 10/ ED 90
5 results and analysis
5.1 the grand bensulfuron-methyl cauline leaf of methyl two sulphurs is handled the safety to wheat
The safety evaluatio standard is seen table 4, observes in 3 days after the dispenser, and the grand bensulfuron-methyl high concentration 3600mg/kg of methyl two sulphurs handles indivedual wheat lobus cardiacus distortions, and growth is suppressed, and it is normal basically that low concentration is handled wheat growth; After the dispenser 7-12 days, it is normal that low concentration is handled the wheat growing way, and 3600mg/kg handles wheat and also slowly recovers.The 20 days 30% grand bensulfuron-methyl WP of methyl two sulphurs see table 5 to the inhibitory action of wheat after the dispenser.
Table 4 activity of weeding and crop safety ocular estimate evaluation criterion
The grand bensulfuron-methyl WP of table 5 30% methyl two sulphurs is to the inhibitory action of wheat
Handle Mass concentration (mg/kg) 20d inhibiting rate (%)
225 ?0.25
450 ?0.75
30% methyl, two sulphurs swell bensulfuron-methyl WP 900 ?2.00
1800 ?7.50
3600 ?20.25
Contrast Clear water ?/
The grand bensulfuron-methyl WP of table 6 30% methyl two sulphurs is to the fresh weight preventive effect of weeds
Figure BSA00000637231000092
Figure BSA00000637231000101
Can know toxic action situation and the preventive effect of this medicament by table 6, calculate its virulence regression equation, LD respectively through formula to weeds 50, list in table 7.
Table 7: virulence regression equation and LD 50
Handle Regression equation Correlation coefficient LD 50 95% confidence interval
A Y=-0.2323+2.3570x 0.9925 165.9346 143.8011-191.4749
Can be known by table 7: the LD50 of the grand bensulfuron-methyl WP of 50% methyl, two sulphurs is: 165.9346,95% confidence intervals are 143.8011-191.4749.
5.2 the grand bensulfuron-methyl cauline leaf of methyl two sulphurs is handled the selectivity index to wheat and weeds
By table 5, table 6, try to achieve the ED that suppresses wheat growth 10% through DPS software 10=2182.5620, the ED of inhibition weed growth 90% 90=561.1078, selectivity factor is 2182.5620/561.1078=3.89>2, thinks that this medicament has obvious selectivity, can carry out field control effectiveness test.
6 overall merits
6.1 this result of the test shows that the grand bensulfuron-methyl cauline leaf treatment of high concentration of methyl two sulphurs is handled and can be caused wheat yellow, indivedual plant distortion to wheat, it is normal that other concentration is handled wheat growth.
6.2 can know that through Toxicity Determination the grand bensulfuron-methyl of methyl two sulphurs has good control efficiency to weeds.
Embodiment 6: complex weedicide field control effectiveness test according to the invention
Complex weedicide according to the invention shows through the field control effectiveness test in 2 years; Wheat period of seedling establishment before the winter, weeds 1-5 leaf does not wait the phase, utilizes 70% methyl, two sulphurs of the present invention to swell bensulfuron-methyl (10% methyl, two sulphurs swell+60% bensulfuron-methyl) water dispersible granules (WG) dosage 8,10,12,20 gram/mus; Converting water sprays for 40 kilograms/mu; 20,60 days and maturing stage range estimation wheat safety and weeds preventive effect, surveyed at preventive effect result such as following table in 20,60 days:
Figure BSA00000637231000102
Figure BSA00000637231000111
Through range estimation, wheat is not seen symptom of chemical damage from the dispenser to the maturing stage, to wheat safety.Preventive effect 20 gram/mus to weeds reached more than 75% in 20 days; Reached more than 92% in 60 days, along with the increase of dosage, preventive effect obviously strengthens; Can good herbicidal effect be arranged to weeds at wheat paddock 10 gram/mus; Compare with wherein a kind of active ingredient of independent use, enlarged and killed the grass spectrum, grassy weed and broad leaved weed are had obvious synergistic effect.A dispenser can be controlled the weeds in the crop whole growth phase, and not only herbicidal effect is remarkable, and environmentally friendly, and second stubble crop is not had influence, and is little to the pollution of environment, to people, animal, birds and beneficial organism safety, helps keeping ecological balance.In addition, weed killer herbicide of the present invention adopts physical method processing, and production technology is simple, and three-waste free discharge in the production process has no adverse effects to ecotope.It is the desirable complex weedicide of present control efficiency.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (5)

1. a mixed herbicide of wheat after seedling is characterized in that, comprises the grand and bensulfuron-methyl of methyl two sulphurs, and the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 3.5~1: 8.
2. complex weedicide according to claim 1, as preferably, the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 3.5~1: 6.5.
3. according to claim 1,2 described complex weedicides, more preferably, the grand weight ratio with bensulfuron-methyl of methyl two sulphurs is 1: 5.
4. according to claim 1,2,3 described complex weedicides, it is characterized in that the grand quality percentage composition with bensulfuron-methyl of methyl two sulphurs is 3~85% of a said complex weedicide.
5. according to each described complex weedicide of claim 1-4, it is characterized in that said complex weedicide is oil-suspending agent, wetting powder, water dispersible granules (dry suspending agent).
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Publication number Priority date Publication date Assignee Title
CN102550585A (en) * 2012-01-16 2012-07-11 河北博嘉农业有限公司 Mesosulfuron-methyl compound herbicide
CN106342866A (en) * 2016-08-30 2017-01-25 山东滨农科技有限公司 Herbicide composition for wheat field
CN111165506A (en) * 2020-02-21 2020-05-19 安徽丰乐农化有限责任公司 Weeding composition
CN112314616A (en) * 2020-11-10 2021-02-05 惠乾科技(广东)有限公司 Microcapsule structure thickener, synthetic method thereof and application thereof in oil suspending agent

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102550585A (en) * 2012-01-16 2012-07-11 河北博嘉农业有限公司 Mesosulfuron-methyl compound herbicide
CN106342866A (en) * 2016-08-30 2017-01-25 山东滨农科技有限公司 Herbicide composition for wheat field
CN111165506A (en) * 2020-02-21 2020-05-19 安徽丰乐农化有限责任公司 Weeding composition
CN112314616A (en) * 2020-11-10 2021-02-05 惠乾科技(广东)有限公司 Microcapsule structure thickener, synthetic method thereof and application thereof in oil suspending agent

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Application publication date: 20120321