CN103766368B - A kind of composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl and application thereof - Google Patents
A kind of composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl and application thereof Download PDFInfo
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- CN103766368B CN103766368B CN201410004121.3A CN201410004121A CN103766368B CN 103766368 B CN103766368 B CN 103766368B CN 201410004121 A CN201410004121 A CN 201410004121A CN 103766368 B CN103766368 B CN 103766368B
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- Prior art keywords
- methyl
- bensulfuron
- isoproturon
- careless amine
- weed
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- 239000005472 Bensulfuron methyl Substances 0.000 title claims abstract description 83
- PUIYMUZLKQOUOZ-UHFFFAOYSA-N isoproturon Chemical compound CC(C)C1=CC=C(NC(=O)N(C)C)C=C1 PUIYMUZLKQOUOZ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 150000001412 amines Chemical class 0.000 title claims abstract description 74
- XMQFTWRPUQYINF-UHFFFAOYSA-N bensulfuron-methyl Chemical group COC(=O)C1=CC=CC=C1CS(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 XMQFTWRPUQYINF-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000000203 mixture Substances 0.000 title claims abstract description 48
- 239000000575 pesticide Substances 0.000 title claims abstract description 31
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- 239000003905 agrochemical Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 35
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- 238000002360 preparation method Methods 0.000 claims description 16
- 230000000361 pesticidal effect Effects 0.000 claims description 12
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- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 5
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- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 4
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- UDHMTPILEWBIQI-UHFFFAOYSA-N butyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(=O)OCCCC)=CC=CC2=C1 UDHMTPILEWBIQI-UHFFFAOYSA-N 0.000 description 3
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl and application thereof, the active component of this composition pesticide is isoproturon, the third careless amine and bensulfuron-methyl, and the mass ratio of isoproturon, the third careless amine and bensulfuron-methyl is 10-50:10-50:0.5-10.This composition pesticide, shows obvious synergistic effect within the scope of said ratio, reduces the using dosage of agricultural chemicals, decreases times for spraying, reduce drug cost, decreases the adverse effect of agricultural chemicals to ecotope.Expand herbicidal spectrum, a drug had both solved various weed problem, compensate for defect when single dose uses and limitation.Extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.Drug effect plays rapidly, and the lasting period is long, and use cost is low, can be used for water prevention rice field grassy weed, broad leaved weed and sedge weed or wheat paddock grassy weed and broad leaved weed.
Description
Technical field
The invention belongs to technical field of pesticide, being specifically related to a kind of composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl for preventing and kill off paddy field grassy weed, broad leaved weed and sedge weed or wheat paddock grassy weed and broad leaved weed.
Background technology
According to statistics world's cereal produce annual due to illness, worm, crop smothering loss 14%, the loss that wherein crop smothering causes is about 11%, and Weed infestation is the key factor of restriction crop yield.The use of chemical herbicide is one of important symbol of agricultural modernization.In recent years, the sales volume of weed killer herbicide increases year by year, and the proportion accounting for agricultural chemicals sales volume increases year by year, uses area and expands year by year.Paddy rice is the crops that Consumption of China amount is maximum, cultivated area is maximum, gross yield is maximum, per unit area yield is the highest, has consequence in the world.But the serious of rice field crop smothering is the major obstacle restricting its high yield, stable yields.At present, the pattern that preventing and kill off of weeds in paddy field adopts more " envelope, two is killed, three benefits " is carried out, there is different weed killer herbicide kinds available for different phase at present, but most kind is difficult to ensure a drug and keep paddy rice interior without grass for whole breeding time, the increase of times for spraying substantially increases cost accounting undoubtedly, has also increased the weight of the impact on environmental ecology.Therefore, exploratory development paddy field once uses and keeps seeming particularly important without the safety of grass, highy potent herbicide in paddy rice whole breeding time.
Isoproturon, chemical name: 3-(4-isopropyl phenyl)-1,1-dimethyl urea or-3-be to cumenyl-1,1-dimethyl urea.Belong to phenyl ureagroup herbicides, absorb inhibited photosynthesis electron transmission mainly through root and cauline leaf, for before selectivity seedling, herbicide after seedling, also there is selection systemic action.Isoproturon is efficient, broad-spectrum herbicide, can be applicable to the crop Tanakas such as wheat, corn, paddy rice and prevents and kill off grass family and broad leaved weeds.
Third careless amine, chemical name: 2-chloro-2 ˊ, 6 ˊ-diethyl-N-(2-Among) antifebrin.Belong to chloroacetanilide herbicides, absorb by plant hypocotyl, mesocotyl and coleoptile, root slightly absorbs, effective division of T suppression cell, hinders the synthesis of protein and the formation of polysaccharide, also remote-effects photosynthesis and respiration simultaneously.Third careless amine effectively can be applied to paddy field and prevent and kill off the grassy weeds such as barnyard grass, lady's-grass, moleplant seed, doublely controls part annual broadleaf weed and sedge weed.
Bensulfuron-methyl, chemical name: 2-[[[[[(4,6-dimethoxypyridin-2-base) is amino] carbonyl] is amino] sulfonyl] methyl] methyl benzoate.Belong to sulfonylurea herbicide, absorb by weeds root and leaf, conduct in plant body, suppress acetolactate synthase activity, hinder the biosynthesis of valine, leucine, isoleucine, stop cell division and growth, cause weeds to stop growing, dead.Bensulfuron-methyl effectively can prevent and kill off wheat, the broad leaved weed of paddy field and sedge weed.
Summary of the invention
Goal of the invention: in prior art to farmland weed develop immunity to drugs problem, single use control efficiency poor, once use the problem being difficult to effectively to control Weed infestation in paddy rice whole breeding time, the object of this invention is to provide a kind of composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl, make it have efficient, wide spectrum, environmentally friendly, be beneficial to the features such as the weeds in paddy field comprehensive regulation.Another object of the present invention is to provide a kind of application of the above-mentioned composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl.
Technical scheme: in order to realize foregoing invention object, the technical solution used in the present invention is:
Containing a composition pesticide for isoproturon, the third careless amine and bensulfuron-methyl, active ingredient is isoproturon, the third careless amine and bensulfuron-methyl, and the mass ratio of isoproturon, the third careless amine and bensulfuron-methyl is 10-50:10-50:0.5-10.
The preferred mass ratio of isoproturon, the third careless amine and bensulfuron-methyl is 15:30:2,15:40:2,25:40:2,25:45:5,30:15:2,25:24:8,38:20:9 and 40:29:6.
Containing a pesticidal preparations for isoproturon, the third careless amine and bensulfuron-methyl, for becoming any one formulation acceptable on agricultural chemicals by the acceptable auxiliaries of active ingredient and field of pesticide preparation; Described active ingredient to be mass ratio be 10-50:10-50:0.5-10 containing isoproturon, the third careless amine and bensulfuron-methyl.
The formulation of described pesticidal preparations is wetting powder, water dispersible granules, suspending agent or oil-suspending agent.
In described pesticidal preparations, three kinds of herbicidal active components account for the 1-90% of pesticidal preparations gross weight.
Described auxiliary material is selected from wetting agent, dispersant, spreader-sticker, stabilizing agent, bleeding agent, thickener, antifreezing agent, defoamer, filler, solvent; Wherein, described wetting agent is one or more among neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, lignosulfonates, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether etc.; Described dispersant be lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene, polyoxyethylene nonylphenol ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid salt one or more; Described stabilizing agent is that epoxidized vegetable oil is as one or more in epoxidised soybean oil, epoxidized linseed; Described spreader-sticker is one or more in polyvinyl alcohol, alkyl diphenyl ether and sodium sulfonate, poly-trisiloxanes, triethanolamine oleate; Described solvent is one or more in soybean oil, methyl oleate, white oil, turpentine oil methyl naphthalene higher aliphatic hydrocarbon ils; Described filler is one or more in white carbon, corn starch, kaolin, diatomite, sodium sulphate, ammonium sulfate.
The described application of composition pesticide in control grassy weed, broad leaved weed, sedge weed, rice field or wheat (barley) field weed containing isoproturon, the third careless amine and bensulfuron-methyl.When controlling weeds, before rear seedling broadcast by paddy rice or wheat (barley), paddy rice or before wheat (barley) the 2 leaf phase, use before rice transplanting, after rice transplanting.
The described application of pesticidal preparations in the rice fields such as control grassy weed, broad leaved weed, sedge weed or wheat weeds containing isoproturon, the third careless amine and bensulfuron-methyl.When preventing and treating grassy weed, broad leaved weed, sedge weed, in paddy rice or wheat (barley) broadcast rear seedling before or paddy rice or wheat (barley) broadcast afterwards before 2 leaf phases or use before rice transplanting or after rice transplanting.
The production technology of the various application forms of the described composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl all belongs to existing known technology.
Composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl provided by the invention and pesticidal preparations thereof, usually adopt pesticide-clay mixture, poison method that is fertile or spraying to use, also can adopt other operation techniques agriculturally applied as required.
Beneficial effect: compared with prior art, the composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl of the present invention, tool has the following advantages:
1) composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl of the present invention, obvious synergistic effect is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2) composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl of the present invention, the combination of three kinds of active ingredients, expands herbicidal spectrum, and a drug had both solved various weed problem, compensate for defect when single dose uses and limitation.
3) composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl of the present invention, active ingredient mechanism of action is different, the shortcoming that long-term single use easily produces resistance can be overcome, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
4) composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl of the present invention, drug effect plays rapidly, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Specific embodiments
Below in conjunction with specific embodiment, the present invention is further illustrated.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
In following examples, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1:47% isoproturon third careless amine bensulfuron-methyl oil-suspending agent
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 15%, the third careless amine 30%, bensulfuron-methyl 2%, phenethyl phenol APEO 5%, sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5%, methyl oleate to 100%.
After third careless amine is mixed with filling adsorption, again other above-mentioned materials (except organobentonite) are joined in reactor mixer together, stir, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material, putting into high-shear emulsifying still together with the organobentonite dissolved in advance, namely can be made into 47% isoproturon third careless amine bensulfuron-methyl oil-suspending agent after emulsification.
Embodiment 2:57% isoproturon third careless amine bensulfuron-methyl suspending agent
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 15%, third careless amine 40%, bensulfuron-methyl 2%, phenethyl phenol APEO 5%, sodium lignin sulfonate 8%, ethylene glycol 5%, aluminium-magnesium silicate 2%, defoamer 0.5%, preservative 0.1%, xanthans 0.1%, water to 100%.
After third careless amine is mixed with filling adsorption, again other above-mentioned materials (except xanthans) are joined in reactor mixer together, stir, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material, putting into high-shear emulsifying still together with the xanthans dissolved in advance, namely can be made into 57% isoproturon third careless amine bensulfuron-methyl suspending agent after emulsification.
Embodiment 3:67% isoproturon third careless amine bensulfuron-methyl wetting powder
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 25%, the third careless amine 40%, bensulfuron-methyl 2%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin to 100%.
After third careless amine is mixed with filling adsorption, add in cone-type mixer together with other above-mentioned material and mix, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98% is by 325 mesh standard sieves i.e. obtained 67% isoproturon third careless amine bensulfuron-methyl wetting powder.
Embodiment 4:75% isoproturon third careless amine bensulfuron-methyl water dispersible granules
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 25%, the third careless amine 45%, bensulfuron-methyl 5%, and lauryl sodium sulfate 4%, metal carboxylate 5%, urea 10%, adds kaolin to 100%.
After third careless amine is mixed with filling adsorption; add in cone-type mixer together with other above-mentioned material and mix; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 325 mesh standard sieves; add in kneader and be kneaded into plasticity material, finally this material is put into Squeezinggranulator extruder grain, through dry, screening i.e. obtained 75% isoproturon third careless amine bensulfuron-methyl water dispersible granules after granulation.
Embodiment 5:47% isoproturon third careless amine bensulfuron-methyl oil-suspending agent
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 30%, the third careless amine 15%, bensulfuron-methyl 2%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin to 100%.
After third careless amine is mixed with filling adsorption, again other above-mentioned materials (except organobentonite) are joined in reactor mixer together, stir, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material, putting into high-shear emulsifying still together with the organobentonite dissolved in advance, namely can be made into 47% isoproturon third careless amine bensulfuron-methyl oil-suspending agent after emulsification.
Embodiment 6:57% isoproturon third careless amine bensulfuron-methyl suspending agent
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 25%, third careless amine 24%, bensulfuron-methyl 8%, phenethyl phenol APEO 5%, sodium lignin sulfonate 8%, ethylene glycol 5%, aluminium-magnesium silicate 2%, defoamer 0.5%, preservative 0.1%, xanthans 0.1%, water to 100%.
After third careless amine is mixed with filling adsorption, again other above-mentioned materials (except xanthans) are joined in reactor mixer together, stir, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material, putting into high-shear emulsifying still together with the xanthans dissolved in advance, namely can be made into 57% isoproturon third careless amine bensulfuron-methyl suspending agent after emulsification.
Embodiment 7:67% isoproturon third careless amine bensulfuron-methyl wetting powder
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 38%, the third careless amine 20%, bensulfuron-methyl 9%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin to 100%.
After third careless amine is mixed with filling adsorption, add in cone-type mixer together with other above-mentioned material and mix, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98% is by 325 mesh standard sieves i.e. obtained 67% isoproturon third careless amine bensulfuron-methyl wetting powder.
Embodiment 8:75% isoproturon third careless amine bensulfuron-methyl water dispersible granules
Each component containing the composition pesticide of isoproturon, the third careless amine and bensulfuron-methyl is: isoproturon 40%, the third careless amine 29%, bensulfuron-methyl 6%, lauryl sodium sulfate 4%, metal carboxylate 5%, urea 10%, adds kaolin to 100%.Isoproturon: the third careless amine: bensulfuron-methyl is 40:29:6.
After third careless amine is mixed with filling adsorption; add in cone-type mixer together with other above-mentioned material and mix; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 325 mesh standard sieves; add in kneader and be kneaded into plasticity material, finally this material is put into Squeezinggranulator extruder grain, through dry, screening i.e. obtained 75% isoproturon third careless amine bensulfuron-methyl water dispersible granules after granulation.
Embodiment 9 isoproturon, the third careless amine and bensulfuron-methyl optimum proportioning screen
In order to understand isoproturon, the third careless amine and bensulfuron-methyl mixture further to the synergy of weeds, the present inventor has carried out formulation screening test to isoproturon, the third careless amine and bensulfuron-methyl mixture.
Test material: without awns barnyard grass (Echinochloacrusgali (L.) Beauv.var.mitis (Pursh) Peterm.Fl.), Eclipta prostrata (EdiptaprostrataL.), difformed galingale herb (CyperusdifformisL.), in October, 2012 picks up from experimental field, Jiangsu Province Agriculture Science Institute, adopt natural air drying under rear room temperature condition, load paper bag, be placed in 4 DEG C ± 0.5 Refrigerator store.
Test apparatus: PWT-510 type spray tower, plum Teller AB135-S electronic balance, volumetric flask, triangular flask, beaker, graduated cylinder, polypots, pipette, chi, scissors etc.
Test method: first take the isoproturon of certain mass, the third careless amine and the former medicine of bensulfuron-methyl, add the Tween 80 aqueous solution dilution that methyl alcohol fully dissolves rear use 0.1%, be mixed with single dose mother liquor, arrange serial proportioning according to mixture object, it is stand-by that each proportioning arranges 5-7 concentration gradient.Polypots (15cm × 11cm × 7cm) is filled air-dry fine earth, in infiltrating irrigation mode bottom polypots, makes soil completely moistening.Soil be horse liver soil, pH6.7, the content of organic matter 1.6%, air-dry sieve after for subsequent use.Each polypots is broadcast without awns barnyard grass 35, Eclipta prostrata 15 respectively, difformed galingale herb 15, and broadcast rear fine earth and cover, thickness is about 0.2cm.Jiangsu Province Agriculture Science Institute 300m is put into after broadcasting rear soil spraying process
2greenhouse by solar heat is cultivated, and keep the skin wet every day maintenance ground moistening.
After medicine, routine observation is without the growing state of seedling after awns barnyard grass, the emerging and emerge of Eclipta prostrata and difformed galingale herb.After medicine, investigation in 30 days is without awns barnyard grass, Eclipta prostrata and difformed galingale herb overground part fresh weight, calculates fresh weight inhibition namely to the preventive effect of target weeds.Adopt DPS data handling system to obtain the virulence regression equation of single dose isoproturon, the third careless amine, bensulfuron-methyl and 16 Ternary agent, calculate ED
50value and 95% confidence limit.Co-toxicity coefficient is calculated by the abundant method of Sun Yun.Co-toxicity coefficient is greater than 120 and is expressed as synergistic effect, is less than 80 and is expressed as antagonism, be expressed as summation action between 80 ~ 120.
Result of the test: medicine post processing is observed for 20 days, isoproturon, the third careless amine and bensulfuron-methyl are used rear extremely withered without awns barnyard grass, Eclipta prostrata and the jaundice of difformed galingale herb partial blade in 10-50:10-50:0.5-10 ratio mixture, inhibitory action without awns barnyard grass, Eclipta prostrata and difformed galingale herb is risen with the increase of drug concentration, to without awns barnyard grass, Eclipta prostrata and difformed galingale herb there is very high biologically active.
After medicine 30 days, 16 the Ternaries combinations of isoproturon, the third careless amine and bensulfuron-methyl had obvious inhibitory action (table 1) to the fresh weight without awns barnyard grass.10:50:10 in 16 proportionings, 10:50:0.5, 10:10:10, 10:10:0.5, 15:30:2, 15:40:2, 25:40:2, 25:45:5, 30:10:7, 25:24:8, 38:20:9, 40:29:6, 50:50:10, 50:50:0.5, the co-toxicity coefficient of 50:10:10 and 50:10:0.5 proportioning is respectively 182.4586, 196.9933, 165.6659, 214.3073, 167.6124, 191.8197, 198.4707, 261.9353, 148.5921, 141.1939, 147.3827, 147.9924, 380.2158, 245.9538, 152.2570, 208.8323, co-toxicity coefficient is greater than 120, show as synergistic effect.
Table 1 isoproturon-the third careless amine-bensulfuron-methyl mixture is without the synergy of awns barnyard grass fresh weight
Isoproturon, third careless amine and bensulfuron-methyl 16 Ternary combinations also have obvious inhibitory action to the fresh weight of Eclipta prostrata, 10:50:10 in 16 proportionings, 10:50:0.5, 10:10:10, 10:10:0.5, 15:30:2, 15:40:2, 25:40:2, 25:45:5, 30:10:7, 25:24:8, 38:20:9, 40:29:6, 50:50:10, 50:50:0.5, the co-toxicity coefficient of 50:10:10 and 50:10:0.5 proportioning is respectively 178.0599, 181.9350, 413.2160, 277.9459, 208.9690, 154.5352, 162.6974, 219.8204, 156.5401, 144.2242, 179.8058, 195.6330, 158.3242, 249.0217, 146.3306, 327.4393, co-toxicity coefficient is greater than 120, show as synergistic effect (table 2).
The synergy of the careless amine of table 2 isoproturon-the third-bensulfuron-methyl mixture Eclipta prostrata fresh weight
Isoproturon has good inhibitory action to the multiple annual gramineous weed of paddy rice, third careless amine has good inhibitory action to annual dogstail, broad leaved weed and nutgrass flatsedge, bensulfuron-methyl has preferably control effects to paddy rice broad leaved weed, and three's mixture can prevent and kill off the annual multiple weeds of paddy rice simultaneously.Isoproturon, the third careless amine and bensulfuron-methyl, in 10-50:10-50:0.5-10 ratio mixture, show as synergistic effect.
Embodiment 10 field control effectiveness test
Reagent agent: select mixed herbicide prepared in embodiment 1 ~ 4.
Contrast medicament: 50% isoproturon wetting powder (commercial)
30% the third careless amine missible oil (commercial)
10% bensulfuron-methyl wetting powder (commercial)
If artificial weeding and clear water contrast
Using method: adopt spray-on process.
Spraying time: direct-sowing dry sowing paddy rice on June 25th, 2013 (Huaihe River rice No. 5), dispenser on June 27.
Respondent and method: barnyard grass, moleplant seed, Eclipta prostrata, nutgrass flatsedge, after medicine, 30d investigates the fresh weight of weeds and the fresh weight of paddy rice and plant height.
Test results and analysis are respectively in table 3 and table 4.
Table 3 field control effectiveness test result (after medicine 15d)
As can be seen from Table 1, the present invention has obvious effect to paddy field barnyard grass, moleplant seed, Eclipta prostrata, nutgrass flatsedge, and preventive effect higher than single dose preventive effect, and has good quick-acting and lasting effect; From table 2 kind, we find out that the present invention is higher than the safety of long-grained nonglutinous rice seedling to paddy rice japonica rice seedling.
20 days Plant Height of Rices after table 4 medicine, to tiller and fresh weight.
Embodiment 11
With reference to the method for embodiment 10, the mixed herbicide obtained to embodiment 5-8 carries out field control effectiveness test, confirms: each mixed herbicide has obvious synergistic effect, all has significant preventive effect to paddy field weed, Be very effective is better than single dose and uses, and the lasting period is long.
Claims (10)
1., containing a composition pesticide for isoproturon, the third careless amine and bensulfuron-methyl, it is characterized in that: active component is isoproturon, the third careless amine and bensulfuron-methyl, and the mass ratio of isoproturon, the third careless amine and bensulfuron-methyl is 10-50:10-50:0.5-10.
2., containing a pesticidal preparations for isoproturon, the third careless amine and bensulfuron-methyl, it is characterized in that: described preparation is for become any one formulation acceptable on agricultural chemicals by the acceptable auxiliaries of active ingredient and field of pesticide preparation; Isoproturon, third careless amine and the bensulfuron-methyl of described active ingredient to be mass ratio be 10-50:10-50:0.5-10.
3. the pesticidal preparations containing isoproturon, the third careless amine and bensulfuron-methyl according to claim 2, is characterized in that: the formulation of described pesticidal preparations is wetting powder, water dispersible granules, suspending agent, microemulsion, finish, suspension emulsion, missible oil, water dispersible granules, aqueous emulsion or oil-suspending agent.
4. the pesticidal preparations containing isoproturon, the third careless amine and bensulfuron-methyl according to claim 2, is characterized in that: in described preparation, active ingredient accounts for the 1-90% of weight of formulation.
5. the pesticidal preparations containing isoproturon, the third careless amine and bensulfuron-methyl according to claim 2, is characterized in that: described auxiliary material is selected from wetting agent, dispersant, spreader-sticker, stabilizing agent, bleeding agent, thickener, antifreezing agent, defoamer, filler, solvent; Wherein, described wetting agent is one or more among neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, lignosulfonates, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether; Described dispersant be lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene, polyoxyethylene nonylphenol ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products and polycarboxylic acid salt one or more; Described stabilizing agent is one or more in epoxidised soybean oil, epoxidized linseed; Described spreader-sticker is one or more in polyvinyl alcohol, alkyl diphenyl ether disulphonic acid sodium, poly-trisiloxanes, triethanolamine oleate; Described solvent is one or more in soybean oil, methyl oleate, white oil, turpentine oil, methyl naphthalene higher aliphatic hydrocarbon ils; Described filler is one or more in white carbon, corn starch, kaolin, diatomite, sodium sulphate, ammonium sulfate.
6. the application of composition pesticide in control grassy weed, broad leaved weed, sedge weed containing isoproturon, the third careless amine and bensulfuron-methyl according to claim 1.
7. application according to claim 6, is characterized in that: when preventing and treating grassy weed, broad leaved weed, sedge weed, weeds in paddy field, after paddy rice is broadcast before rear seedling or paddy rice is broadcast before 2 leaf phases or use before rice transplanting or after rice transplanting.
8. the application of pesticidal preparations in control grassy weed, broad leaved weed, sedge weed containing isoproturon, the third careless amine and bensulfuron-methyl described in any one of claim 2-5.
9. application according to claim 8, it is characterized in that: when preventing and treating grassy weed, broad leaved weed, sedge weed, before paddy rice or wheat, barley broadcast rear seedling or paddy rice or wheat, barley broadcast after before 2 leaf phases or use before rice transplanting or after rice transplanting.
10. the composition pesticide containing isoproturon, the third careless amine and bensulfuron-methyl according to claim 1, is characterized in that: the mass ratio of described isoproturon, the third careless amine and bensulfuron-methyl is 15:30:2,15:40:2,25:40:2,25:45:5,30:15:2,25:24:8,38:20:9 or 40:29:6.
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| CN107889850A (en) * | 2017-09-27 | 2018-04-10 | 芜湖市香勤生态农业有限公司 | A kind of High-efficient Water rice field herbicides special |
| CN110192555A (en) * | 2019-06-27 | 2019-09-03 | 轩凯生物科技(滁州)有限公司 | A kind of compound herbicide containing polyglutamic acid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1268294A (en) * | 1999-03-31 | 2000-10-04 | 江苏诺华农化有限公司 | Pretilachlor and bensulfuron-methyl compounded preparation |
| CN1318295A (en) * | 2001-05-10 | 2001-10-24 | 南京农业大学 | Isoprotuion herbicide recompounding method |
| CN1465251A (en) * | 2002-07-04 | 2004-01-07 | 安徽华星化工股份有限公司 | Sulfonylures herbicide composition for wheat land |
| CN101099468A (en) * | 2007-07-21 | 2008-01-09 | 美丰农化有限公司 | Isoprotuion and propisochlor compounded preparation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1268294A (en) * | 1999-03-31 | 2000-10-04 | 江苏诺华农化有限公司 | Pretilachlor and bensulfuron-methyl compounded preparation |
| CN1318295A (en) * | 2001-05-10 | 2001-10-24 | 南京农业大学 | Isoprotuion herbicide recompounding method |
| CN1465251A (en) * | 2002-07-04 | 2004-01-07 | 安徽华星化工股份有限公司 | Sulfonylures herbicide composition for wheat land |
| CN101099468A (en) * | 2007-07-21 | 2008-01-09 | 美丰农化有限公司 | Isoprotuion and propisochlor compounded preparation |
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| CF01 | Termination of patent right due to non-payment of annual fee |