CN102657203B - Metaflumizone-containing insecticide composition - Google Patents
Metaflumizone-containing insecticide composition Download PDFInfo
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Abstract
The invention discloses a metaflumizone-containing insecticide composition. A first active ingredient of the composition is metaflumizone; a second active ingredient is selected from cartap and bisultap of nereistoxin insecticides; and the weight ratio of the first active ingredient to the second active ingredient is 1:60. The insecticide composition can be prepared into formulations such as water dispersible granules, a suspending agent, wettable powder, microemulsion or emulsion in water. The insecticide composition can be used for controlling rice-stem borer and Cnaphalocrocis medinalis; the insecticide composition has reasonable components and a good insect-killing effect, is low in pesticide cost, is safe to crops, and meets the safety requirements of pesticide preparations; the activity and insect-killing effect of the composition are not equal to the simple superposition of the activities of the components, and the composition has a remarkable synergistic effect; and the resistance can be delayed.
Description
Technical field
The present invention relates to a kind of insecticides, particularly a kind of metaflumizone is as the first active component, and the cartap of neires toxin, desinsection list, dimehypo or thiocyclam, as the insecticides of the second active component, belong to technical field of compounded pesticide.
Background technology
Metaflumizone, english common name: metaflumizone, test code number BAS320I, chemical name (IUPAC): (E+Z)-2-[2-(4-cyano group benzene)-1-(3-trifluoromethylbenzene) ethylidene]-N-(4-trifluomethoxybenzene) hydrazine carbonyl oxamides; Molecular formula: C
24h
16f
6n
4o
2.Metaflumizone is a kind of insecticide of brand-new mechanism of action, on the acceptor that is attached to sodium-ion channel, hinders sodium ion current, with the compound of chrysanthemum ester class or other kinds without cross resistance.This medicine is mainly by insect, to take food to enter in its body stomach toxicity occurs to kill off the insect pests, and action of contace poison is less, without systemic action.This medicine has control efficiency preferably for target pest, the larva in each length of time, after insect's food-taking, this medicine enters polypide, by the sodium-ion channel on unique mechanism of action blocking-up insect neuron axon film, make sodium ion can not pass through axolemma, and then suppress nerve impulse and make excessive the loosening of polypide, paralysis, after several hours, insect stops taking food, dead in 1 ~ 3d.Laboratory research shows, mammal impassivity toxicity, Salmonella reversion test are negative; ; In environment, the lasting period is short.The suspending agent that the metaflumizone of selling in the market is 240 grams per liters and 20% missible oil, be mainly used in chewing and stinging caste Lepidoptera and the coleoptera of food.Professional insecticide as a kind of new mechanism, it is high that metaflumizone in use exists use cost, the risk that resistance increases gradually, the defect that lasting period is general, and it is rationally mixed with dissimilar nereistoxin, for fully effectively promoting metaflumizone, extend its service life and there is important function.
Cartap, have another name called Padan, and group is red, english common name cartap, molecular formula C
7h
15n
3o
2s
2, a kind of derivative of genus nereistoxin, wide spectrum, stomach poison function is strong, has simultaneously and tags and the effects such as certain food refusal, ovicidal.Insect is knocked down soon, and the longevity of residure is long, the desinsection wide spectrum.Can be used for preventing and treating various pests and the nematodes such as Lepidoptera, coleoptera, Semiptera, diptera, less on the predacious mites impact.Formulation is mainly 50% soluble powder.
The desinsection list, have another name called and kill the snout moth's larva gram, english common name monosultap, molecular formula C
5h
14o
7s
4na.Be a kind of manually analog of synthetic nereistoxin, enter in insect bodies and be converted into rapidly clam worm element or Dihydronereistoxin element.This medicine is the acetylcholine competitive inhibitor, have stronger tag, stomach toxicity and interior suction conduction, the larva of lepidoptera pest is had to preventive and therapeutic effect preferably, this medicine is mainly used in preventing and treating the insect on the crops such as sugarcane, paddy rice.
Dimehypo, english common name bisultap, molecular formula C
5h
11nO
6s
4na
2.Be a kind of never poison, insect shows blunt, slow in action, as to lose infringement crop ability, stasi after contacting and take food medicament, polypide is softened, paralyses until death.Dimehypo has very strong systemic action, can be absorbed and conduction by the leaf of crop, root etc.
Thiocyclam, english common name thiocyclam-hydrogenoxalate, other Chinese name SAN-155I, thiocyclarn, kill the snout moth's larva ring, first sulphur ring, worm thiophene alkane, molecular formula C
7h
13nO
4s
3, be sandworm toxin insecticide, have and tag and stomach poison function, certain interior suction and fumigation action are also arranged, and can ovicidal.Toxic effect to insect is slower, and poisoning the lighter can be brought back to life sometimes.It disappears comparatively fast in plant corpus, and the longevity of residure is shorter, and residual quantity during results in crop seldom.Thiocyclam is effective to Lepidoptera, coleoptera, homoptera pest, can be used for preventing and treating the various pests on paddy rice, corn, beet, fruit tree, vegetables, but large to the toxicity of silkworm.
At present, the pesticidal preparations that the metaflumizone of take is effective ingredient be take 240 grams per liter metaflumizone suspending agents as main, also has 20% metaflumizone missible oil, and in actual use, quick-acting is good, but lasting effect is general, and use cost is high; Neires toxin is as domestic insecticide variety commonly used, insecticidal effect and cost performance are the user all the time and accept, but resistance is rising year by year, the unexpected discovery of inventor used the desinsection snout moth's larva of metaflumizone and neires toxin, benthiocarb, dimehypo or thiocyclam rational mixture, there is significant synergistic effect, can reduce use cost, slow down the generation of pest resistance.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, significantly synergy, good disinsection effect, drug cost is low, the insecticides containing metaflumizone that is difficult for developing immunity to drugs.
Another object of the present invention is to provide the Pesticidal combination preparation formulation containing metaflumizone.
Pesticidal combination of the present invention can be used for preventing and treating rice-stem borer and rice leaf roller.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention is achieved in that
A kind of insecticides containing metaflumizone comprises:
A) the first active component metaflumizone;
B) the second active component is selected from a kind of in cartap, desinsection list, dimehypo or the thiocyclam of sandworm toxin insecticide;
The weight ratio of the first active component and the second active component is (1:1) ~ (1:60).
The cumulant of the first active component and the second active component is 15%～90% of described composition total weight, be preferably 30%～80%, the size of active component cumulant is also closely related with formulation, as the active component cumulant of suspending agent is no more than 50%, described cumulant is the first active component and the second active component shared percentage in composite formula.
The preparation formulation that the present invention can prepare containing the Pesticidal combination method known according to those skilled in the art of the present technique of metaflumizone is water dispersible granules, suspending agent, wetting powder, microemulsion or aqueous emulsion.
For water dispersible granules, those skilled in the art are familiar with the corresponding auxiliary agent of use and complete the present invention very much.Dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, urea, sucrose, glucose one or more; Binding agent is as one or more in diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose family; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To suspending agent, spendable auxiliary agent has: dispersant is produced as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, TERSPERSE 2425(U.S. Huntsman Corporation, the alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier is as Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether, agriculture breast 2201, this dish-60#(common name sorbitan monostearate), emulsifier T-60(common name: the sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), TERSPERSE 4894(U.S. Huntsman Corporation produces) TERSPERSE 2500(U.S. Huntsman Corporation produces) in one or more; Wetting agent is produced as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500(U.S. Huntsman Corporation) in one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more; Defoamer is as organic silicon defoamer; Antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more.
To wetting powder, spendable auxiliary agent has: dispersant as in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Filler as ammonium sulfate, urea, sucrose, glucose diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
Octyl phenol polyoxy ethene (10) ether), agriculture breast 1601#(common name the polyoxyethylene sorbitan stearate), the TX-10(common name Span60), Tween-60 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name to microemulsion, spendable auxiliary agent has: emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name::::: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), in agriculture breast 600#, agriculture breast 400# one or more; Assistant for emulsifying agent as in methyl alcohol, isopropyl alcohol, n-butanol, ethanol one or more; Solvent as cyclohexanone, 1-METHYLPYRROLIDONE, dimethyl formamide, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200) one or more; Stabilizing agent as in triphenyl phosphite, epoxychloropropane one or more; Water is deionized water.
To aqueous emulsion, spendable auxiliary agent has: emulsifier is as Nonyl pheno (EO=10) ether phosphate, triphen ethyl-phenol polyoxyethylene ether phosphate, Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: Span60), Tween-60 #(common name: the polyoxyethylene sorbitan stearate), TX-10(common name: octyl phenol polyoxy ethene (10) ether), agriculture breast 1601(common name: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, in agriculture breast 400# one or more, solvent as dimethylbenzene, toluene, cyclohexanone, solvent naphtha (trade mark: S-150, S-180, S-200) one or more, stabilizing agent as in triphenyl phosphite, epoxychloropropane, epoxidized soybean oil one or more, antifreezing agent: ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more, thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more, preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more, water is deionized water.
Component of the present invention is reasonable, good disinsection effect, and drug cost is low, and its active and insecticidal effect is not the simple superposition of each composition activity, but significant synergistic effect is arranged, and can slow down the generation of resistance, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has control efficiency preferably to the striped rice borer on paddy rice and rice leaf roller.
Embodiment
In order to prevent and treat the insects such as rice-stem borer in agricultural production, the inventor has carried out mutual composite synergy research with compositions such as metaflumizone, cartap, desinsection list, dimehypo and thiocyclams.It is tested object that test adopts rice-stem borer, and concrete grammar is:
The rice-stem borer formal name used at school (
chilo supperssalis) Lepidoptera, Pyralidae, another name borer.The former medicine that the former medicine of test medicine metaflumizone adopts BASF Aktiengesellschaft to produce, the former medicine that dimehypo, cartap, the former medicine of desinsection list adopt Anhui Huaxing Chemical Co., Ltd. to produce, the former medicine that the former medicine of thiocyclam adopts Jiangsu Tianrong Group Co., Ltd. to produce, by technology department of Shanggezhilu Biosciences Co., Ltd., Shaanxi, former medicine is mixed with to the test medicine needed, test method is soaked the rice seedling feeding method, with reference to " the agricultural industry criteria NY/T1282-2007 of the People's Republic of China (PRC) ".At first single dose and each Mixed Pharmacy are arranged to 5 variable concentrations gradients (on the basis of preliminary experiment result, the rice-stem borer lethality is set by geometric progression in 5%～90% scope).The examination worm is the striped rice borer of picking up from field, in laboratory, select three the length of time uniformity striped rice borer, access is equipped with in the dactylethrae of the rice seedling that chemicals treatment crosses, every pipe 10 cephalont, 3 dactylethraes of every processing, repeat 3 times, then the dactylethrae that will process is put into 25 ℃ of constant incubators and is cultivated, keep observation ward's relative moisture 75% left and right, 4d checks dead borer population, calculates lethality.Blank is processed the equivalent clear water.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
In formula:
ATI---mixture actual measurement toxicity index;
S---standard insecticide LC
50, unit is every liter (mg/L) of milligram;
The LC of M---mixture
50, unit is every liter (mg/L) of milligram;
TTI=TI
A×P
A+?TI
B×P
B
In formula:
The theoretical toxicity index of TTI---mixture;
TI
a---A medicament toxicity index;
P
a---the percentage composition of A medicament in mixture, unit is percentage (%);
TI
b---B medicament toxicity index;
P
b---the percentage composition of B medicament in mixture, unit is percentage (%);
In formula:
CTC---co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture;
The co-toxicity coefficient of complex preparation (CTC) >=120 shows as synergistic effect; CTC≤80 show as antagonism; 80<CTC<120 show as summation action.
2) measurement result of rice-stem borer is respectively in Table A, B, C and D.
The Toxicity Determination result shows: metaflumizone has control efficiency preferably with cartap, desinsection list, dimehypo or thiocyclam are mixed to rice-stem borer, when weight ratio is (1:1) ~ (1:60), rice-stem borer is shown as to synergistic effect.
Below in conjunction with embodiment, content of the present invention is described further.
example of formulations 1:
Take 5% metaflumizone, 50% cartap, 3% TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX, 2%K-12,3% White Carbon black, 5% sulphur ammonium, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 55% metaflumizone cartap water dispersible granules.
example of formulations 2:
Take 10% metaflumizone, 30% cartap, 3% TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX, 2% K-12,3% White Carbon black, 5% sulphur ammonium, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 40% metaflumizone cartap water dispersible granules.
example of formulations 3:
Take 2% metaflumizone, 80% cartap, 3% TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX, 1% K-12,2% White Carbon black, 3% sulphur ammonium, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 82% metaflumizone cartap water dispersible granules.
example of formulations 4:
Take 1% metaflumizone, 60% cartap, 3% TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX, 2% K-12,3% White Carbon black, 5% sulphur ammonium, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 61% metaflumizone cartap water dispersible granules.
example of formulations 5:
Take 20% metaflumizone, 20% cartap, 3% TERSPERSE 2700,3% dispersing agent NNO, 3% Nekal BX, 3%K-12,3% White Carbon black, 8% sulphur ammonium, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 40% metaflumizone cartap water dispersible granules.
example of formulations 6:
Take 10% metaflumizone, 50% thiocyclam, 4% TERSPERSE 2700,3% dispersing agent NNO, 3% Nekal BX, 2%K-12,3% White Carbon black, 4% glucose, kaolin and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 60% metaflumizone thiocyclam water dispersible granules.
example of formulations 7:
Take 4% metaflumizone, 46% dimehypo, 3% TERSPERSE 2700,2% dispersing agent NNO, 3% Nekal BX, 2% K-12,3% White Carbon black, 5% sulphur ammonium, kaolin and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 50% metaflumizone dimehypo water dispersible granules.
example of formulations 8:
Take 15% metaflumizone, 65% desinsection list, 3% TERSPERSE 2700,3% dispersing agent NNO, 2% Nekal BX, 1%K-12,2% White Carbon black, 4% corn starch, diatomite and add to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step are produced 80% metaflumizone desinsection list water dispersible granules.
example of formulations 9:
Take 10% metaflumizone, 30% dimehypo, 3%TERSPERSE 4894,2%TERSPERSE 2500,1%TERSPERSE 2425,0.2% xanthans, 3% white carbon, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the metaflumizone dimehypo suspending agent that makes 40% after the sand mill sand milling.
example of formulations 10:
Take 10% metaflumizone, 40% desinsection list, 3%TERSPERSE 4894,2%TERSPERSE 2500,0.5% xanthans, 3% white carbon, 5% propane diols, 0.5% formaldehyde, (trade name: s-29) deionized water adds to 100% weight portion to 0.5% silicone defoaming agent.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the metaflumizone desinsection list suspending agent that makes 50% after the sand mill sand milling.
example of formulations 11:
Take 5% metaflumizone, 40% thiocyclam, 3%TERSPERSE 4894,1.5%TERSPERSE 2500,3%TERSPERSE 2425,0.5% bentonite, 1% white carbon, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the metaflumizone thiocyclam suspending agent that makes 45% after the sand mill sand milling.
example of formulations 12:
Take 5% metaflumizone, 35% cartap, 3%TERSPERSE 4894,1.5%TERSPERSE 2500,0.5%TERSPERSE 2425,0.2% xanthans, 5% white carbon, 5% ethylene glycol, 0.3% benzoic acid, 0.5% silicone defoaming agent, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the metaflumizone cartap suspending agent that makes 40% after the sand mill sand milling.
example of formulations 13:
Take 1.2% metaflumizone, 68.8% desinsection list, 5% calcium lignosulfonate, 2% Nekal BX, 2%K-12,3% White Carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 70% metaflumizone desinsection list wetting powder after air-flow crushing.
example of formulations 14:
Take 2% metaflumizone, 60% thiocyclam, 5% calcium lignosulfonate, 2% Nekal BX, 1%K-12,3% White Carbon black, kaolin and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 62% metaflumizone thiocyclam wetting powder after air-flow crushing.
example of formulations 15:
Take 13% metaflumizone, 75% cartap, 3% calcium lignosulfonate, 3% dispersing agent NNO, 1.5% Nekal BX, 1%K-12, kaolin and add to 100% weight portion.Above-mentioned raw materials, through mixing, makes 88% metaflumizone cartap wetting powder after air-flow crushing.
example of formulations 16
Take 5% metaflumizone, 25% cartap, 4%TX-10,5% Nongru-700 #, 6% agriculture breast 500#, 4% agriculture breast 1601#, 10% cyclohexanone, 10% dimethylbenzene, 5% n-butanol, 2% triphenyl phosphite, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 10% metaflumizone cartap microemulsion after stirring.
example of formulations 17
Take 5% metaflumizone, 35% desinsection list, 5% Nongru-700 #, 6% agriculture breast 500#, 6% agriculture breast 600#, 10% cyclohexanone, 10% methyl alcohol, 2% triphenyl phosphite, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 40% metaflumizone desinsection list microemulsion after stirring.
example of formulations 18
Take 5% metaflumizone, 40% dimehypo, 5% agriculture breast 600#, 6% agriculture breast 500#, 6% agriculture breast 400#, 15% cyclohexanone, 5% isopropyl alcohol, 2% triphenyl phosphite, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 45% metaflumizone dimehypo microemulsion after stirring.
example of formulations 19
Take 15% metaflumizone, 15% thiocyclam, 4% Nongru-700 #, 6% agriculture breast 500#, 7% agriculture breast 600#, 20% cyclohexanone, 10% methyl alcohol, 2% triphenyl phosphite, through dissolve complete and mix, deionized water adds to 100% weight portion, makes 30% metaflumizone thiocyclam microemulsion after stirring.
example of formulations 20:
Take 10% metaflumizone, 30% desinsection list, 3% agriculture breast 2201#, 2% Nonyl pheno (EO=10) ether phosphate, 2% triphen ethyl-phenol polyoxyethylene ether phosphate, 2%Span-60#, 1% epoxychloropropane, 5% ethylene glycol, 25% dimethylbenzene, 0.3% xanthans, 0.5% benzoic acid, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear emulsification makes 40% metaflumizone desinsection list aqueous emulsion.
example of formulations 21:
Take 10% metaflumizone, 20% dimehypo, 3% agriculture breast 2201#, 1.5% Nonyl pheno (EO=10) ether phosphate, 2.5% triphen ethyl-phenol polyoxyethylene ether phosphate, 2%Span-60#, 1% epoxychloropropane, 5% ethylene glycol, 20% dimethylbenzene, 0.3% xanthans, 0.5% benzoic acid, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear emulsification makes 25% metaflumizone dimehypo aqueous emulsion.
Biological Examples 1: control rice-stem borer field trial
The inventor carried out the field control effectiveness test of control rice-stem borer in Shishou county, Hubei Province on May 20th, 2009, verified that this medicament is to the control efficiency of striped rice borer, effective dose and to the safety of paddy rice.Trial crops is paddy rice, the controlling object striped rice borer (
chilo supperssalis).Adopt conventional spray-on process, in rice plant of tillering stage, generation striped rice borer egg development is incubated the initial stage to ovum latter stage, adopts the conventional spraying of manual sprayer, and 45 liters of every mu of spouting liquids are investigated the control efficiency of each community when generation striped rice borer borer pest is stablized.Take 25 clumps of rice of balance-jump formula random sampling ，Mei community investigation, add up withered heart rate and lethality.Within 2,7,14 days after medicine simultaneously, observe the paddy growth situation, the visual test medicament has or not poisoning to produce to paddy rice.
Computational methods:
In formula: Pt
0withered heart rate after-----chemicals treatment district medicine;
cK 0 withered heart rate after-----blank district medicine.
As can be seen from the table, the insecticidal effect of keeping a full stand of seedings of 13% metaflumizone+75% cartap WP increases along with the increase of dosage, every mu of the effect of 30 every mu of gram and 50% cartap SP100 gram, the preventive effect of 22% every mu of metaflumizone SC45 gram is suitable, 40 every mu of gram, every mu of control efficiency of 50 gram are better than every mu of 50% cartap SP 100 gram, 22% every mu of metaflumizone SC45 gram; Every mu of the preventive effect of 5% metaflumizone+every mu of 35% desinsection list ME80 gram and 90% desinsection list SP 50 gram, the preventive effect of 22% every mu of metaflumizone SC45 gram is suitable, the preventive effect that 100 every mu of gram, 120 gram are every mu is better than every mu of 90% desinsection list SP50 gram, 22% every mu of metaflumizone SC45 gram; Every mu of the preventive effect of 5% metaflumizone+every mu of 40% dimehypo ME80 gram and 40% dimehypo AS100 gram, the preventive effect of 22% every mu of metaflumizone SC45 gram is suitable, the preventive effect that 100 every mu of gram, 120 gram are every mu is better than every mu of 40% dimehypo AS100 gram, 22% every mu of metaflumizone SC45 gram; Every mu of the preventive effect of 10% metaflumizone+every mu of 50% thiocyclam WG40 gram and 50% thiocyclam SP100 gram, the preventive effect of 22% every mu of metaflumizone SC45 gram is suitable, the preventive effect that 50 every mu of gram, 60 gram are every mu is better than every mu of 50% thiocyclam SP100 gram, 22% every mu of metaflumizone SC45 gram.In sum, 13% metaflumizone+75% cartap WP, 5% metaflumizone+35% desinsection list ME, 5% metaflumizone+40% dimehypo ME, 10% metaflumizone+50% thiocyclam WG are incubated the initial stage dispenser in striped rice borer egg development latter stage to ovum and once can effectively be controlled striped rice borer and cause harm, and dosage is less than the contrast dosing, obvious synergistic effect is arranged, can be used for the control of rice-stem borer, and to rice safety.
Biological Examples 2: control paddy rice rice leaf roller field trial
The inventor carried out the field control effectiveness test of control paddy rice rice leaf roller at Xianju County in Zhejiang Province on July 26th, 2009, verified that this medicament is to the control efficiency of rice leaf roller, effective dose and to the safety of paddy rice.Trial crops is paddy rice, the controlling object rice leaf roller (
cnaphalocrocis medinalis).Adopt the conventional spraying of manual sprayer, 30 liters of every mu of spouting liquids, control paddy rice three generations rice leaf roller, investigated in 3 days, 7 days, 10 days after medicine.Take balance-jump formula random sampling ，Mei 5 of communities sampling to look into altogether 25 clumps of rice, statistics leaf roll rate, compare with check plot leaf roll rate, calculates relative control effect, investigates in leaf roll simultaneously the worm rate is arranged.Within 3,7,10 days after medicine simultaneously, observe the paddy growth situation, the visual test medicament has or not poisoning to produce to paddy rice.
Computational methods:
Leaf roll rate after-----chemicals treatment district medicine in formula: Pt; Leaf roll rate after CK-----blank district medicine.
As can be seen from Table 2,3 days quick-acting of 5% metaflumizone+every mu of 50% cartap WG80 gram are better than every mu of 50% cartap SP100 gram, suitable with every mu of 22% metaflumizone SC40 gram, 100 every mu of gram, every mu of lasting period of 10 days of 120 gram are better than every mu of 50% cartap SP100 gram, suitable with every mu of 22% metaflumizone SC40 gram; The quick-acting of 10% metaflumizone+every mu of 40% desinsection list SC40 is better than every mu of 90% desinsection list SP50, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram, the lasting period that 50 every mu of gram, 60 gram are every mu is better than every mu of 90% desinsection list SP50, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram; The quick-acting of 10% metaflumizone+every mu of 20% dimehypo EW40 is better than every mu of 40% dimehypo AS100 gram, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram, the lasting period that 50 every mu of gram, 60 gram are every mu is better than every mu of 40% dimehypo AS100 gram, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram; The quick-acting of 15% metaflumizone+every mu of 15% thiocyclam ME30 gram is better than every mu of 50% thiocyclam SP80 gram, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram, the lasting period that 40 every mu of gram, 50 gram are every mu is better than every mu of 50% thiocyclam SP80 gram, suitable with every mu of preventive effect of 22% metaflumizone SC40 gram.
5% metaflumizone+50% cartap WG, 10% metaflumizone+40% desinsection list SC, 10% metaflumizone+20% dimehypo EW, 15% metaflumizone+15% thiocyclam ME have preventive effect preferably to rice leaf roller under test dose, quick-acting and lasting period are suitable with 22% metaflumizone SC, be better than other contrast single dose, can effectively reduce the consumption of each active ingredient, there is obvious synergistic effect, to rice safety.
In sum, composition of the present invention is to adopt two kinds of active component compound schemes, its activity and insecticidal effect are not the simple superposition of each composition activity, compare with existing unitary agent, except rice-stem borer and rice leaf roller are had significant insecticidal effect, and significant synergistic effect is arranged, can slow down the generation of resistance, good to crop safety, drug cost is low, meets the security requirement of pesticidal preparations.
Claims (5)
1. the Pesticidal combination containing metaflumizone is characterized in that the composition active component is:
A) the first active component metaflumizone;
B) the second active component is selected from cartap or the dimehypo of sandworm toxin insecticide;
The weight ratio of the first active component and the second active component is 1:60.
2. the Pesticidal combination containing metaflumizone according to claim 1 is characterized in that: the content sum of the first active component and the second active component is described composition total weight 15%～90%.
3. the Pesticidal combination containing metaflumizone according to claim 2 is characterized in that: the content sum of the first active component and the second active component is described composition total weight 30%～80%.
4. according to one of any described Pesticidal combination containing metaflumizone of claims 1 to 3, it is characterized in that: described composition is water dispersible granules, suspending agent, wetting powder, microemulsion or aqueous emulsion.
5. the application of the Pesticidal combination containing metaflumizone claimed in claim 4 in control rice-stem borer and rice leaf roller.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0462456A1 (en) * | 1990-06-16 | 1991-12-27 | Nihon Nohyaku Co., Ltd. | Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof |
| CN1351469A (en) * | 1999-03-12 | 2002-05-29 | 巴斯福股份公司 | Synergistic insecticidal compositions |
| CN101237775A (en) * | 2005-08-11 | 2008-08-06 | 巴斯福股份公司 | Pesticidal mixtures comprising a phenylsemicarbazone |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0462456A1 (en) * | 1990-06-16 | 1991-12-27 | Nihon Nohyaku Co., Ltd. | Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof |
| CN1057646A (en) * | 1990-06-16 | 1992-01-08 | 日本农药株式会社 | Hydrazinecarboxamidederivatives derivatives and production method thereof and application |
| CN1351469A (en) * | 1999-03-12 | 2002-05-29 | 巴斯福股份公司 | Synergistic insecticidal compositions |
| CN101237775A (en) * | 2005-08-11 | 2008-08-06 | 巴斯福股份公司 | Pesticidal mixtures comprising a phenylsemicarbazone |
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