CN103734178B - A kind of Pesticidal combination containing pleocidin - Google Patents
A kind of Pesticidal combination containing pleocidin Download PDFInfo
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- CN103734178B CN103734178B CN201310746348.0A CN201310746348A CN103734178B CN 103734178 B CN103734178 B CN 103734178B CN 201310746348 A CN201310746348 A CN 201310746348A CN 103734178 B CN103734178 B CN 103734178B
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- pesticidal combination
- pleocidin
- imicyafos
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- BJNLLBUOHPVGFT-QRZIFLFXSA-N teichomycin Chemical compound CCCCCCCCCC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC(C(=C1)OC=2C(=CC(=CC=2)[C@@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@H]2C(N[C@H](C3=CC(O)=CC(O[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O)=C3C=3C(O)=CC=C(C=3)[C@@H](NC3=O)C(=O)N2)C(O)=O)=O)Cl)=C(OC=2C(=CC(C[C@H](C(N4)=O)NC(=O)[C@H](N)C=5C=C(O6)C(O)=CC=5)=CC=2)Cl)C=C1[C@H]3NC(=O)[C@@H]4C1=CC6=CC(O)=C1 BJNLLBUOHPVGFT-QRZIFLFXSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of Pesticidal combination containing pleocidin, its active ingredient is Imicyafos and pleocidin two yuan of mixtures, and the ratio of weight and number of two kinds of active ingredients is 1 ~ 40: 0.1 ~ 20, and preferred weight portion rate is 5 ~ 25: 0.1 ~ 5; The parts by weight content that in Pesticidal combination, active ingredient is total is 1% ~ 80%; preferred weight number content is 5% ~ 30%; all the other are allow in agricultural chemicals to use and acceptable auxiliary element, and can be prepared into wetting powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules by known method, it is wide that the present composition has effect field; insecticide efficiency is high; and consumption is few, preventive effect is high, residual few; lasting period is long, is conducive to environmental protection.
Description
Technical field
The present invention relates to technical field of pesticide combination, be specifically related to a kind of Pesticidal combination containing pleocidin.
Background technology
Imicyafos (AKD-3088) is a kind of cyanamide heterocyclic organic matter, it is combined by the sub-imidazolidine of cyano group of asymmetric organic phosphor and nicotinic insecticide, can be used for the crops such as radish, carrot, strawberry, eggplant, tomato, cucumber, muskmelon, watermelon, sweet potato and potato, its chemical structural formula is:
Pleocidin, having another name called multiple killing teichomycin (Spinosad) is a kind of macrolides Nuisanceless high-efficient biological insecticides extracted in thorn sugared many born of the same parents bacterium (Saccharopolyspora spinosa) zymotic fluid.The mode of action of pleocidin is novel, can sustained activation target insect acetylcholine nicotine receptor, but its binding site is different from nicotine and Imidacloprid.Insect can be made to benumb rapidly, paralyse, finally cause death.Its desinsection speed can compare favourably with chemical pesticide.Safety is high, and is the biological insecticides of low toxicity, efficient, low-residual without cross resistance with current common insecticide, and existing efficient insecticidal properties, has again the characteristic to having beneficial insect and mammalian safe, the most applicable pollution-free vegetable, Production of fruit application.It is the insecticide of a kind of low toxicity, efficient, wide spectrum.
Pleocidin is after Long-Time Service, and the resistance of insect to it strengthens year by year, and pesticide dosage is constantly increased, and causes the adverse consequencess such as high poison, consumption are large, residual many, drug effect is poor.And use the insecticide of one-component, easily causing insect to develop immunity to drugs is the problem demanding prompt solution faced in current Pesticide use process, and formulate that new and effective Pesticidal compound has high input, the cycle is long, research strength requirement is higher, does not meet the present situation of agricultural chemicals enterprise of current China.And between agricultural chemicals between compositely can solve that agricultural chemicals single dose toxicity is large, the problem of weak effect, less investment again, R&D cycle short applicable domestic agricultural chemicals enterprise present situation, and the mutual use between different agricultural chemicals can the drug-fast generation of retarding action thing, have ideal result of use, therefore between the different mechanism of action, agricultural chemicals composite is the study hotspot of current pesticide field.
Summary of the invention
In order to solve above technical problem; the present invention proposes a kind of Pesticidal combination containing pleocidin, said composition contains A, B two kinds of effective active components, and component A is selected from imicyafos; B is selected from pleocidin; it is wide that the present composition has effect field, and insecticide efficiency is high, and consumption is few; preventive effect is high; residual few, the lasting period is long, is conducive to environmental protection.
The present invention be a kind of with novel pesticide imicyafos and pleocidin for active ingredient carries out the Pesticidal combination preparation of two yuan of mixtures, wherein in Pesticidal combination of the present invention, the ratio of weight and number of active ingredient novel pesticide imicyafos and pleocidin is 1 ~ 40: 0.1 ~ 20, on the basis of test recipe screening targetedly, the ratio of weight and number of active ingredient novel pesticide imicyafos and pleocidin can be preferably 5 ~ 25: 0.1 ~ 5.
The formulations of pesticide that the preparation method of agricultural insecticide composition field of pesticide preparation of the present invention can be prepared into are wetting powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules, in preparation, active ingredient gross weight accounts for the portion rate of gross weight in preparation is 1% ~ 80%, on the basis of test recipe screening targetedly, active ingredient gross weight in preparation can be accounted for the portion rate of gross weight in preparation and be preferably 5% ~ 30%, all the other are usual auxiliaries in agricultural chemicals.
When above-described Pesticidal combination is microemulsion, in preparation, the ratio of weight and number of each component is:
Imicyafos 1 ~ 40 part
Pleocidin 0.1 ~ 20 part
Emulsifier 5 ~ 18 parts
Antifreezing agent 1 ~ 5 part
Stabilizing agent 1 ~ 15 part
Conventional solvents cosolvent 20 ~ 50 parts.
The concrete production stage of this microemulsion is: former medicine imicyafos, pleocidin cosolvent are dissolved completely, then adds other compositions such as emulsifier, antifreezing agent stabilizing agent, and Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
When above-described Pesticidal combination is wetting powder, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 40 part
Active principle B 0.1 ~ 20 part
Dispersant 1 ~ 15 part
Wetting agent 1 ~ 12 part
Filler 20 ~ 70 parts.
The concrete procedure of processing of this Pesticidal combination wetting powder is: by above-mentioned formula by active principle A and active principle B and the mixing of dispersant, wetting agent and filler, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
When above-described Pesticidal combination is suspending agent, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 40 part
Active principle B 0.1 ~ 20 part
Dispersant 1 ~ 15 part
Antifreezing agent 1 ~ 5 part
Thickener 1 ~ 15 part
Defoamer 0.1 ~ 3 part
Water supplies 100 parts.
The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active principle A and active principle B, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, the aqueous suspension formulations of obtained Pesticidal combination of the present invention.
When above-described Pesticidal combination is aqueous emulsion, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 40 part
Active principle B 0.1 ~ 20 part
Emulsifier 3 ~ 15 parts
Solvent 5 ~ 25 parts
Stabilizing agent 2 ~ 10 parts
Antifreezing agent 1 ~ 4 part
Defoamer 0.1 ~ 3 part
Thickener 0.2 ~ 5 part
Water supplies 100 parts.
The concrete production stage of this aqueous emulsion is: first former medicine active principle A and active principle B, solvent and emulsifier, cosolvent are added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type.The i.e. aqueous emulsion of obtained Pesticidal combination of the present invention.
When above-described Pesticidal combination is water dispersible granules, in preparation, the ratio of weight and number of each component is:
Active principle A 1 ~ 40 part
Active principle B 0.1 ~ 20 part
Dispersant 5 ~ 15 parts
Wetting agent 5 ~ 15 parts
Disintegrant 1 ~ 5 part
Filler 20 ~ 70 parts.
The concrete procedure of processing of this Pesticidal combination water dispersible granules is: active principle A, active principle B and dispersant, wetting agent, disintegrant and filler are mixed by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, be i.e. the water dispersible granules of obtained Pesticidal combination of the present invention.
Described emulsifier is selected from least one in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether.
Described solvent is at least one in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), water equal solvent.
Described dispersant is selected from least one in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, at least one pulled open in powder copper rosinate X., wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene tri-styryl phosphenylic acid salt, spaonin powder, silkworm excrement, soapberry powder.
Described disintegrant is selected from least one in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, sodium bicarbonate.
Described thickener is selected from least one in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol.
Described stabilizing agent is selected from least one in sodium citrate, resorcinol.
Described antifreezing agent is selected from least one in ethylene glycol, propane diols, glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10at least one in aliphatic alcohols compound.
Described filler is selected from least one in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Pesticidal combination of the present invention can prevent and treat nematoda, etc. the various insects such as sufficient class, coleoptera class pest, Lepidoptera class pest, gastropod, orthoptera pest, plant parasitic acarid class, Thysanoptera, Diptera pest, Hymenoptera insect, hidden wing order insect, Anoplura insect, Isoptera insect, Hemipteran pest, damp insects, centipede insects, thousand-legger class.Especially to destroying the insect of agriculture horticultural crop and trees etc. in soil, destroying the insect of the seed of agriculture horticultural crop and trees, such as nematoda, etc. sufficient class, coleoptera class pest, Lepidoptera class pest, gastropod, orthoptera pest, plant parasitic acarid class, Hemipteran pest preventive effect remarkable.
The above nematode pests comprises the pratylenchus classes such as pratylenchus, pseudo-Pratylenchidae, Lu Si Pratylenchidae, disability Pratylenchidae, the Cyst nematode such as soybean cyst nematode Heterodera glycines, globodera rostochiensis class, the root-knot nematode such as peanut root-knot nematode, Meloidogyne incognita class, the Aphelenchoidea classes such as aphelenchoides besseyi, leaf bud nematode, species of Tylenchorhynchus Nematodes class, loop wire insects, needlework insects, long capsule nematoda, burr nematoda, nematode on strawberry, pine wood nematode.All favorable effect is had in addition to insects such as aphid, leafhopper, plant hopper, chrysomelid, wireworm, cutworm, diamond-back moth, imported cabbageworm, rice thripses.
Agricultural insecticide composition of the present invention is especially to anti-eliminate aphis section, Aleyrodidae, Cicadellidae and Delphacidae insect, and the various pests such as especially various insects, pear sucker, cabbage caterpillar, diamond-back moth, beet armyworm, apple leaf miner, leaf miner, Liriomyza, Americal rice leaf miner and vegetables trialeurodes vaporariorum have efficient effect.
Pesticidal combination of the present invention compares similar medicament other advantages a lot, first, by pleocidin and novel pesticide imicyafos composite, improve the insecticide efficiency of pleocidin, delay the resistance of insect to novel pesticide imicyafos, compare respective single dose sphere of action wider, improve disinsection efficiency; The second, delay the generation of pest resistance to insecticide, decreased agricultural chemicals Reusability number of times, reduce Pesticide use amount, reduce agricultural cost; 3rd, the residual quantity of this Pesticidal combination is lower, more friendly to environment, is significant to the safe edible of agricultural products.
Embodiment:
In order to make object of the present invention, technical scheme and advantage clearly understand, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The method that the present invention adopts indoor bioassay and field trial to combine, if no special instructions, the ratio (comprising percentage) below mentioned is all ratio of weight and number.
Embodiment 1: by imicyafos12 part, pleocidin 3 parts, lignosulfonates 7 parts, lauryl sodium sulfate 10 parts and the mixing of 68 parts, diatomite, uniform stirring in stirred tank, mixing after airslide disintegrating mill, i.e. the wetting powder of obtained Pesticidal combination of the present invention.
Embodiment 2: by imicyafos10 part, pleocidin 5 parts, alkylphenol polyoxyethylene 8 parts, oxygen ethene triphenylethylene phosphenylic acid salt 10 parts and bentonite 72 parts mixing, uniform stirring in stirred tank, mixing after airslide disintegrating mill, i.e. the wetting powder of obtained Pesticidal combination of the present invention.
Embodiment 3: by imicyafos20 part, pleocidin 0.5 part, dispersant 8 parts, wetting agent 15 parts and filler 57 parts mixing, uniform stirring in stirred tank, is mixing after airslide disintegrating mill, the i.e. wetting powder of obtained Pesticidal combination of the present invention.
Embodiment 4: by alkylphenol polyoxyethylene 10 parts, glycerine 2 parts, CMC 4 parts, silicone oil 1 part, the mixing of 65 parts, water, mix through high speed shear, add imicyafos15 part, pleocidin 3 parts successively, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, the aqueous suspension formulations of obtained Pesticidal combination of the present invention.
Embodiment 5: by dispersant 11 parts, antifreezing agent 2 parts, thickener 3 parts, defoamer 1 part, the mixing of 65 parts, water, mix through high speed shear, add imicyafos10 part, pleocidin 8 parts successively, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, the aqueous suspension formulations of obtained Pesticidal combination of the present invention.
Embodiment 6: by dispersant 8 parts, antifreezing agent 2 parts, thickener 4 parts, defoamer 0.5 part, the mixing of 68 parts, water, mix through high speed shear, add imicyafos16 part, pleocidin 2 parts successively, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, the aqueous suspension formulations of obtained Pesticidal combination of the present invention.
Embodiment 7: imicyafos25 part, pleocidin 1 part, 15 parts, turpentine oil, castor oil polyoxyethylene ether 8 parts, resorcinol 8 parts are mixed, is dissolved into uniform oil phase; Part water, propane diols 2 parts, silicone compound 1 part are mixed uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., add polyvinyl alcohol 4 parts, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.The i.e. aqueous emulsion of obtained Pesticidal combination of the present invention.
Embodiment 8: imicyafos10 part, pleocidin 5 parts, solvent 20 parts, emulsifier 8 parts, stabilizing agent 10 parts are mixed, is dissolved into uniform oil phase; Part water, antifreezing agent 1 part, defoamer 2 parts are mixed uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., add thickener 3 parts, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.The i.e. aqueous emulsion of obtained Pesticidal combination of the present invention.
Embodiment 9: imicyafos15 part, pleocidin 0.1 part, solvent 20 parts, emulsifier 10 parts, stabilizing agent 8 parts are mixed, is dissolved into uniform oil phase; Part water, antifreezing agent 1 part, defoamer 2 parts are mixed uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., add thickener 3 parts, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.The i.e. aqueous emulsion of obtained Pesticidal combination of the present invention.
Embodiment 10: imicyafos18 part, pleocidin 4 parts, aliphatic amine polyoxyethylene ether 10 parts, alkylnaphthalene sulfonate 10 parts, 4 parts, aluminium chloride and bentonite 53 parts are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, be i.e. the water dispersible granules of obtained Pesticidal combination of the present invention.
Embodiment 11: imicyafos5 part, pleocidin 10 parts, dispersant 10 parts, wetting agent 10 parts, disintegrant 5 parts and filler 60 parts are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, be i.e. the water dispersible granules of obtained Pesticidal combination of the present invention.
Embodiment 12: imicyafos12 part, pleocidin 8 parts, dispersant 8 parts, wetting agent 12 parts, disintegrant 3 parts and filler 57 parts are mixed, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and carry out through sample analysis after granulation, drying, screening, be i.e. the water dispersible granules of obtained Pesticidal combination of the present invention.
Embodiment 13: former medicine imicyafos20 part, pleocidin 4 parts are dissolved completely with cosolvent, add other compositions such as aliphatic acid polyethenoxy base ester 10 parts, ethylene glycol 2 parts, sodium citrate 5 parts, resorcinol 4 parts again, Homogeneous phase mixing, finally add water, after fully stirring, can microemulsion be made into.
Embodiment 14: former medicine imicyafos20 part, pleocidin 0.5 part are dissolved completely with cosolvent, then add other compositions such as emulsifier 11 parts, antifreezing agent 2 parts, stabilizing agent 7 parts, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
Embodiment 15: former medicine imicyafos16 part, pleocidin 3 parts are dissolved completely with cosolvent, then add other compositions such as emulsifier 6 parts, antifreezing agent 2 parts, stabilizing agent 10 parts, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
Indoor biometrics screening and field experiment:
The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio (comprising percentage) below mentioned is all mass ratio.
Determination of activity example:
(1) reagent agent
The former medicine of 95%imicyafos, the former medicine of 98% pleocidin.
(2) for examination worm source
Indoor diamondback moth larvae of for many generations raising, indoor conditions: temperature (26 ± 2) ° C, relative moisture 68% ± 5%, periodicity of illumination 16/8h (L/D).
(3) single dose assay method
Adopt dip method respectively two groups of former medicines all to be used a small amount of acetone solution, then be diluted to into the dense solution of 5 of equal difference with the Tween solution of 0.1%, be diluted in for subsequent use in beaker, and with clear water in contrast.
Diamondback moth larvae of the same size is flooded 5S in the liquid of leaching worm cage, and being placed on diameter after sucking unnecessary liquid is in the culture dish of 9cm, is placed with fresh vegetable leaf and adds a cover in ware.Every concentration process 10, repeats 4 times, if blank.Check lethality keep 24h in (27 ± 1) ° C illumination box after, it is dead for touching polypide nonresponder by pulling needle.Lethality Abbott formula correction, then according to log concentration---lethality probit value analyzes (Bliss) method, obtains virulence regression equation and puts dead middle amount LC
50value.
(4) the joint toxicity measuring method of different ratio
According to the toxicity test result of single dose, by active ingredient 18% ratio of weight and number imicyafos: pleocidin is respectively 17.5:0.5,17:1,16:2,15:3,14:4.
Adopt above-mentioned 1.3 methods to carry out toxicity test, calculate LC
50, and press abundant method calculating co-toxicity coefficient (CTC) of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take imicyafos as standard agent, its toxicity index is 100):
The LC of toxicity index (the TI)=imicyafos of pleocidin
50the LC of/pleocidin
50× 100
The LC of actual toxicity index (the ATI)=imicyafos of M
50the LC of/M
50× 100
TI × P pleocidin of TI × P imicyafos+ pleocidin of theoretical toxicity index (the TTI)=imicyafos of M
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of pleocidin and imicyafos different ratio
P pleocidin is the ratio of pleocidin shared by mixture
P imicyafos is the ratio of imicyafos shared by mixture
(5) toxicity test result and analysis
Table 1imicyafos, pleocidin are to the indoor measurement result of diamond-back moth
As can be seen from the table, in the mixture of different proportion, its co-toxicity coefficient is all greater than 120, shows certain synergistic effect, wherein imicyafos: pleocidin be 16: 2 synergistic effect the most obvious, co-toxicity coefficient is 200.68.Result of the test shows, pleocidin, imicyafos two kinds of medicaments all have higher activity to diamond-back moth in room conditions, the result of the test of different proportion proportioning shows, by active ingredient imicyafos: when pleocidin is 17.5:0.5,17:1,16:2,15:3,14:4, all show stronger synergistic effect, wherein with imicyafos: when pleocidin is 16: 2, synergistic effect is best.Suggestion carries out further field control effectiveness test to the mixture preparation of suitable proportion about 16:2 scope, to evaluate its field practical application effect.
Field experiment: field experiment control wild cabbage damage by disease and insect
(1) test method
Test sprays medicine 1 time altogether, and the dispenser date is on June 18th, 2012.Now wild cabbage not yet balling, diamondback moth larvae major part was in for 2 ~ 3 length of times, and during spray medicine, weather is cloudy calm, and with sharp agriculture board level pressure knapsack hand sprayer to each process even spraying, leave dual sides all requires to be sprayed with effect liquid, every community liquid 2L.
(2) investigation method
Investigate each community and fix 15 strain wild cabbages as investigation strain, record the larva quantity on whole blade, before spraying medicine, investigate insect population radix, respectively 3,7 days and investigation in 10 days borer population alive after spray medicine.This test investigates 3 times altogether.
(3) drug effect computational methods
Live before Revision insect recluced rate (%)=(borer population of living after borer population one dispenser of living before dispenser)/dispenser borer population * l00.
Preventive effect (%)=(treatment region Revision insect recluced rate-check plot Revision insect recluced rate)/(100-check plot Revision insect recluced rate) * 100.
(4) poisoning investigation method
After dispenser, continuous 10d estimates medicament does not have poisoning to produce to crop, wild cabbage well-grown.
(5) field control effectiveness test result of the test
Table 2 treatment agent control diamond-back moth field control effectiveness test result
As can be seen from Table 2, the successful of 16%imicyafos+2% pleocidin control diamond-back moth is better than 5% pleocidin EC, 20%imicyafos SC and contrasts single dose, 16%imicyafos+2% pleocidin insecticidal effect of 7 days after medicine is respectively 94.37%, 93.91% and 95.52%, and insecticidal effect increases progressively along with the increase of consumption.In addition within the scope of test dose, plant growth is normal, and the poisoning phenomenon to wild cabbage does not all appear in each treatment agent, illustrates that it is safe to wild cabbage.
Claims (4)
1. the Pesticidal combination containing pleocidin, it is characterized in that: this Pesticidal combination is for the composite composite preparation of active ingredient two yuan with A agricultural chemicals Imicyafos and B pleocidin, all the other components are usual auxiliaries in agricultural chemicals, and the structural formula of A agricultural chemicals Imicyafos is:
, in this Pesticidal combination, the ratio of weight and number of effective constituents A and B is 17.5
:0.5,17
:1,16
:2,15
:3,14
:4.
2. a kind of Pesticidal combination containing pleocidin according to claim 1, is characterized in that: in this Pesticidal combination, effective constituents A and B gross weight account for the portion rate of gross weight in preparation is 1% ~ 80%.
3. a kind of Pesticidal combination containing pleocidin according to claim 1, is characterized in that: in this Pesticidal combination, effective constituents A and B gross weight account for the portion rate of gross weight in preparation and be preferably 5% ~ 30%.
4. a kind of Pesticidal combination containing pleocidin according to claim 1, is characterized in that: the preparation formulation that Pesticidal combination of the present invention can be mixed with is wetting powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules.
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| CN101248798A (en) * | 2007-12-18 | 2008-08-27 | 张少武 | Compounded pesticides containing multiple killing teichomycin |
| CN103429086A (en) * | 2012-07-03 | 2013-12-04 | 石原产业株式会社 | Insect-killing composition and insect prevention method |
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| CN101248798A (en) * | 2007-12-18 | 2008-08-27 | 张少武 | Compounded pesticides containing multiple killing teichomycin |
| CN103429086A (en) * | 2012-07-03 | 2013-12-04 | 石原产业株式会社 | Insect-killing composition and insect prevention method |
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