CN103109839B - Insecticidal composition containing penta-imidacloprid guanidine and metaflumizone and preparation thereof - Google Patents
Insecticidal composition containing penta-imidacloprid guanidine and metaflumizone and preparation thereof Download PDFInfo
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Abstract
The invention discloses an insecticidal composition containing penta-imidacloprid guanidine and metaflumizone and a preparation thereof, and can improve a control effect on rice leaf folders and beet armyworm pests. The insecticidal composition comprises the components of the penta-imidacloprid guanidine and the metaflumizone which serve as active ingredients, wherein the mass ratio of the penta-imidacloprid guanidine and the metaflumizone (1:20)-(40:1), and the preferable mass ratio is (1:5)-(10:1). The insecticidal composition has the advantages that (1) resistance pests can be controlled, and the development of insecticide resistance is delayed; (2) compared with a single dosage, the composition has a synergistic interaction effect and can improve the control effect; (3) the composition can replace a high-toxicity farm pesticide, the usage amount of the composition is reduced, pesticide residue in ecological environments is effectively reduced, and the composition is more safe and more environment-friendly.
Description
Technical field
The present invention relates generally to a kind of Pesticidal combination and preparation thereof, relates in particular to a kind of Pesticidal combination and preparation thereof that contains penta pyrrole worm guanidine and metaflumizone.
Background technology
Beet armyworm (Beet armyworm) formal name used at school Spodoptera exiguaHiibner is commonly called as the brown noctuid of Chinese cabbage, is under the jurisdiction of Lepidoptera, Noctuidae, is a kind of worldwide distribution, the intermittent large polyphagous pest-insect take danger to vegetables as master occurring.The vegetables such as shallot, wild cabbage, Chinese cabbage, celery, cauliflower, carrot, asparagus, water spinach, three-coloured amaranth, capsicum, cowpea, cauliflower, eggplant, cabbage mustard, tomato, cabbage heart, a variety of Chinese cabbage, broccoli, spinach, radish are had to harm.The main chemical control medicament using has chlorfenapyr, indoxacarb, pleocidin, worm hydrazides, fluorine pyridine urea, Methomyl, beta-cypermethrin, poisons the medicaments such as barnyard grass with poison at present, but use for a long time single medicament easily to make beet armyworm develop immunity to drugs, need increase gradually dosage, harm environment and human body health.
Rice leaf roller belongs to Lepidoptera, Pyralidae.Another name is scraped blue or green worm.Distribute North gets Heilungkiang, the Inner Mongol, reach the national Ge Dao district in Taiwan, Hainan in the south.Main harm paddy rice, endangers wheat, sugarcane, grain, grassy weed etc. sometimes.Sew the vertical volume of silk rice leaf adult bud with larva, larva is hidden to occupy and wherein takes food mesophyll, only stays epidermis, forms white streak, causes paddy rice thousand kernel weight and reduces, and blighted grain increases, and causes the underproduction.Use single chemical pesticide as husky the moon endotoxin medicament and organophosphorus insecticides such as dimehypo, desinsection lists throughout the year, make insect produce high resistance, dosage improves year by year, and rice residue of pesticide exceed standard.
Inventor finds after deliberation, and the composite use under certain proportion scope of penta pyrrole worm guanidine and metaflumizone has synergistic effect, and rice leaf roller and beet armyworm are had to good control efficiency.
Penta pyrrole worm guanidine, English name Guadipyr, chemical name: 1-nitro-3-[(6-chloropyridine-3-yl) methyl]-4-penta methene amido guanidine, belong to nitro contracting aminoguanidine compounds, it is the brand-new insecticide of a kind of efficient, wide spectrum, low toxicity, low-residual, have the architectural feature of anabasine insecticide and sodium-ion channel inhibitor insecticides concurrently, thereby also have the insecticidal spectrum of this two insecticides concurrently, be with a wide range of applications, have the feature of multiaction target, the speed that can make insect develop immunity to drugs reduces greatly.This low cost product, can be widely used in the control of cereal crops, economic crops, fruit tree, vegetables and injurious forest-insect.
Metaflumizone, english common name: metaflumizone, chemical name: (E+Z)-2-[2-(4-cyano group benzene)-1-(3 trifluoromethylbenzene) ethylidene]-N-(4 trifluomethoxybenzene) hydrazine carbonyl oxamides.Metaflumizone belongs to semicarbazones insecticides, and mechanism of action uniqueness, by being attached on the acceptor of sodium-ion channel, hinders sodium ion current, with the compound of chrysanthemum ester class or other kinds without cross resistance.Itself has insecticidal activity, does not need bioactivation.This medicine is mainly to take food to enter by insect in its body, stomach toxicity to occur and kill off the insect pests, and action of contace poison is less, without systemic action.Metaflumizone can be prevented and treated larva, the adult of various places lepidoptera pest and some coleoptera effectively, can also be used for preventing and treating the insects such as ant, termite, fly class, cicada dung beetle, but ovum and lepidopterous adult to Lepidoptera and coleoptera is invalid.
Due to the particular mechanism of action of the two, can prevent and treat resistant insect, delay drug-fast development, safety is good.
Summary of the invention
The object of the invention is exactly for a kind of Pesticidal combination and preparation thereof that contains penta pyrrole worm guanidine and metaflumizone being provided, can improving the preventive effect to rice leaf roller and beet armyworm insect.。
The present invention is achieved by the following technical solutions:
A Pesticidal combination that contains penta pyrrole worm guanidine and metaflumizone, its active ingredient is penta pyrrole worm guanidine and metaflumizone, penta described pyrrole worm guanidine and the mass ratio of metaflumizone are 1: 20-40: 1.
Penta described pyrrole worm guanidine and the mass ratio of metaflumizone are preferably 1: 5-10: 1.
The Pesticidal combination that the present invention contains penta pyrrole worm guanidine and metaflumizone, can be mixed with any application forms that is applicable to agricultural use according to the known side of those skilled in the art of the present technique, preferred dosage form is missible oil, suspending agent, microemulsion, water dispersible granules or wetting powder.Described preparation adds adjuvant in preparation process, and in described preparation, the mass percentage content of active ingredient is 1～95%.In described preparation, the mass percentage content of active ingredient is preferably 10-60%.
Usual auxiliaries is one or more the mixing in solvent, emulsifier, dispersant, wetting agent, defoamer, antifreezing agent, stabilizing agent, thickener, PH conditioning agent, filler etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Missible oil, spendable auxiliary agent: one or more combinations in cyclohexanone, acetone, dimethylacetylamide, methyl alcohol, dimethyl sulfoxide (DMSO), solvent can be one or more combinations in dimethylbenzene, toluene, vegetable oil, methyl oleate, solvent naphtha, emulsifier agent can be alkylbenzenesulfonate (No. 500, agriculture breast), fatty alcohol polyoxyethylene ether sulfate (AES), alkylphenol polyoxyethylene (No. 100, agriculture breast), styryl phenol polyethenoxy ether (agricultural emulsifier NO．600), alkylphenol polyoxyethylene formaldehyde condensation products (Nongru-700 number), castor oil polyoxyethylene ether (BY, EL), fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy ester, polyol fatty acid ester and ethylene oxide adduct (Span thereof, Tween series) in any one multiple combination.
Suspending agent, spendable auxiliary agent has: dispersant is as one or more in lignosulfonates, polycarboxylate, alkylnaphthalene sulfonate etc.; One or more in emulsifier as newborn in agriculture 600#, Nongru-700 #, agriculture breast 2201, agriculture breast 1601, agriculture breast NP-10, agriculture breast 0425, agriculture breast 0408 etc.; Wetting agent as in alkyl phenol (or fatty alcohol) polyoxyethylene APEO and sulphate (or phosphoric acid fat) salt thereof, alkyl sulfate, alkylsulfonate, naphthalene sulfonate etc. one or more; Thickener is as one or more in CMC, xanthic acid, polyvinyl alcohol, sodium alginate, gum Arabic, bentonite, white carbon, starch etc.; Antifreezing agent as in ethylene glycol, propane diols, glycerine, urea, CaCl2, NaCl, PEG etc. one or more; Defoamer is as organic silicon defoamer; Stabilizing agent is as one or more in epoxychloropropane, epoxidized vegetable oil, tributyl phosphate, alkylphenol polyoxyethylene phosphoric acid fat and salt thereof etc.
Water dispersible granules, spendable auxiliary agent has: dispersant is as one or more in lignosulfonates, polycarboxylate, alkylnaphthalene sulfonate etc.; Wetting agent is as one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate etc.; Disintegrant is as one or more in sodium chloride, sodium sulphate, sodium carboxymethyl starch, ammonium sulfate, sodium carbonate, urea, sucrose, glucose etc.; Binding agent is as one or more in gelatin, diatomite, corn starch, carboxymethyl cellulose, carboxyethyl cellulose, polyvinyl alcohol etc.; Filler is as one or more in kaolin, fine particle calcium carbonate, potter's clay, White Carbon black, diatomite, talcum powder etc.
Wetting powder, spendable auxiliary agent has: dispersant is as one or more in lignosulfonates, polycarboxylate, alkylnaphthalene sulfonate etc.; Wetting agent is as one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate etc.; Filler is as one or more in kaolin, fine particle calcium carbonate, potter's clay, White Carbon black, diatomite, talcum powder etc.
The present invention carries out indoor virulence biologicall test according to infusion process, take rice leaf roller and beet armyworm as target pest, calculate co-toxicity coefficient and evaluate penta pyrrole worm guanidine effect mixed with metaflumizone, result shows that co-toxicity coefficient is all greater than 120, shows that the mixing use of the two has notable synergistic effect.In addition, in to the test of pesticide effectiveness of rice leaf roller and beet armyworm, adopt the insecticide of different proportionings of the present invention and penta pyrrole worm guanidine single dose, metaflumizone single dose to contrast, insecticidal effect is higher than each single dose.
Therefore, Pesticidal combination of the present invention can be applied in control rice leaf roller and beet armyworm.
Advantage of the present invention is:
(1) can prevent and treat resistant insect, delay drug-fast development;
(2) compared with single dose, there is synergistic effect, can improve control efficiency;
(3) alternative high toxicity agricultural chemicals, and reduce dosage, effectively reduce ecotope Pesticide Residues, safer environmental protection.
Embodiment
The embodiment of the invention discloses a kind of Pesticidal combination and preparation thereof that contains penta pyrrole worm guanidine and metaflumizone.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described in content of the present invention, spirit and scope or suitably change and combination not departing from, and realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, a kind of Pesticidal combination and preparation thereof that contains penta pyrrole worm guanidine and metaflumizone provided by the invention is elaborated.
Embodiment 1:
Reagent agent: the 95% penta former medicines of pyrrole worm guanidine, the former medicine of 95% metaflumizone (commercially available)
(1) penta pyrrole worm guanidine and the Toxicity Determination of metaflumizone to beet armyworm
Adopt infusion process to carry out indoor virulence biologicall test, selection beet armyworm is target pest.Penta pyrrole worm guanidine (956% former medicine) and metaflumizone (95% former medicine) two single doses and different proportioning penta pyrrole worm guanidine metaflumizone mixture are designed respectively to 5 concentration for the treatment of, take space management as contrast.Each concentration repeats 4 times, 96h investigation lethality after processing, and calculation correction lethality, contrast lethality is invalid test higher than 20%.Carry out statistical analysis with data handling system (DPS) software, obtain the LC50 value (95% confidence limit) of each medicament, calculate the co-toxicity coefficient (CTI) of toxicity index (TI) and mixture by the abundant method of Sun Yun.The co-toxicity coefficient (CTI value) of mixture calculates by following formula:
ATI=(S/M)*100
In formula:
ATI---mixture actual measurement toxicity index;
The LC50 of S---standard insecticide, unit is mg/l;
The LC50 of M---mixture, unit is mg/l.
TTI=TIA*PA+TIB*PB
In formula:
The theoretical toxicity index of TTI---mixture;
The theoretical toxicity index of TIA---A medicament;
The percentage composition of PA---A medicament in mixture, unit is percentage;
The theoretical toxicity index of TIB---medicament;
The percentage composition of PB---B medicament in mixture, unit is percentage.
CTC=(ATI/TTI)*100
In formula:
CTC---spends coefficient together;
The actual measurement toxicity index of ATI---mixture;
The theoretical toxicity index of TTI---mixture.
CTI is greater than 120 for synergistic effect, and CTI is less than 80 for antagonism, and CTI is greater than 80 and is less than 120 for summation action.
Penta pyrrole worm guanidine and metaflumizone composite to result of the test in table 1.
Table 1 penta pyrrole worm guanidine proportionings different from metaflumizone are to beet armyworm toxicity test result
| Medicament | LC50(mg/l) | ATI | TII | CTC |
| Penta pyrrole worm guanidine | 79.31 | 100.00 | -- | -- |
| Metaflumizone | 180.52 | 49.93 | ? | ? |
| Penta pyrrole worm guanidine: metaflumizone=40: 1 | 56.63 | 139.24 | 98.63 | 141.17 |
| Penta pyrrole worm guanidine: metaflumizone=20: 1 | 52.04 | 152.40 | 97.33 | 156.58 |
| Penta pyrrole worm guanidine: metaflumizone=10: 1 | 43.25 | 183.90 | 94.90 | 193.22 |
| Penta pyrrole worm guanidine: metaflumizone=1: 1 | 59.32 | 133.70 | 71.97 | 185.78 |
| Penta pyrrole worm guanidine: metaflumizone=1: 5 | 81.43 | 97.40 | 53.28 | 182.81 |
| Penta pyrrole worm guanidine: metaflumizone=1: 20 | 125.67 | 63.11 | 46.60 | 135.42 |
(2) penta pyrrole worm guanidines and the Toxicity Determination of metaflumizone to rice leaf roller
Adopt infusion process to carry out indoor virulence biologicall test, selection rice leaf roller is target pest.Penta pyrrole worm guanidine (95% former medicine) and metaflumizone (95% former medicine) two single doses and different proportioning penta pyrrole worm guanidine metaflumizone mixture are designed respectively to 5 concentration for the treatment of, take space management as contrast.Each concentration repeats 4 times, 72h investigation lethality after processing, and calculation correction lethality, contrast lethality is invalid test higher than 20%.Carry out statistical analysis with data handling system (DPS) software, obtain the LC50 value (95% confidence limit) of each medicament, calculate the co-toxicity coefficient (CTI) of toxicity index (TI) and mixture by the abundant method of Sun Yun.
Table 2 penta pyrrole worm guanidine proportionings different from metaflumizone are to rice leaf roller toxicity test result
| Medicament | LC50(mg/l) | ATI | TII | CTC |
| Penta pyrrole worm guanidine | 86.32 | 100.00 | -- | -- |
| Metaflumizone | 146.34 | 58.59 | ? | ? |
| Penta pyrrole worm guanidine: metaflumizone=40: 1 | 61.04 | 134.79 | 99.00 | 136.15 |
| Penta pyrrole worm guanidine: metaflumizone=20: 1 | 58.35 | 147.94 | 98.05 | 150.88 |
| Penta pyrrole worm guanidine: metaflumizone=10: 1 | 48.08 | 179.54 | 96.27 | 186.49 |
| Penta pyrrole worm guanidine: metaflumizone=1: 1 | 56.74 | 152.13 | 79.49 | 191.38 |
| Penta pyrrole worm guanidine: metaflumizone=1: 5 | 72.22 | 119.53 | 65.82 | 181.59 |
| Penta pyrrole worm guanidine: metaflumizone=1: 20 | 104.21 | 82.83 | 60.94 | 135.93 |
In table 1 and table 2, data show: when penta pyrrole worm guanidine and metaflumizone are composite with 40: 1,20: 1,10: 1,1: 1,1: 5,1: 20, ratio according to active ingredient proportioning, co-toxicity coefficient (CTC value) is all greater than 120, show as synergistic function, wherein proportioning 10: 1,1: 1,1: 5 o'clock spend coefficient together more than 180, synergistic effect is especially remarkable.
Embodiment 2:61.5% penta pyrrole worm guanidine metaflumizone missible oil
Penta pyrrole worm guanidine 60%, metaflumizone 1.5%, alkylphenol polyoxyethylene 8%, styryl phenol polyethenoxy ether 8%, methyl alcohol 5%, vegetable oil supply 100%.The method of above raw material being prepared routinely to missible oil mixes, and makes 61.5% penta pyrrole worm guanidine metaflumizone missible oil.
In the present embodiment, the mass ratio of penta pyrrole worm guanidine and metaflumizone can be 1: 20-40: between 1, change, gross weight composition is 61.5% constant, forms new embodiment.
Embodiment 3:22% penta pyrrole worm guanidine metaflumizone oil-suspending agent
Penta pyrrole worm guanidine 20%, metaflumizone 2%, agriculture breast 600#5%, white carbon 4%, soybean oil supply 100%.The method of above raw material being prepared routinely to oil-suspending agent mixes, and is crushed to certain fineness, makes 22% penta pyrrole worm guanidine metaflumizone oil-suspending agents.
In the present embodiment, the mass ratio of penta pyrrole worm guanidine and metaflumizone can be 1: 20-40: between 1, change, gross weight composition is 22% constant, forms new embodiment.
Embodiment 4:10% penta pyrrole worm guanidine metaflumizone aqueous suspension agent
Penta pyrrole worm guanidine 5%, metaflumizone 5%, lignosulfonates 3.1%, agriculture breast 600#12%, bentonite 6%, ethylene glycol 4%, water supply 100%.Above raw material is prepared routinely to the method for suspending agent, made 10% penta pyrrole worm guanidine metaflumizone aqueous suspension agents
In the present embodiment, the mass ratio of penta pyrrole worm guanidine and metaflumizone can change between 1: 2040: 1, and gross weight composition is 10% constant, forms new embodiment.
Embodiment 5:25% penta pyrrole worm guanidine metaflumizone water dispersible granules
Penta pyrrole worm guanidine 5%, metaflumizone 20%, sodium lignin sulfonate 8%, calcium dodecyl benzene sulfonate 6%, sodium carbonate 6%, diatomite 10%, bentonite supply 100%.The method of above raw material being prepared routinely to water dispersible granules mixes, and obtains 25% penta pyrrole worm guanidine metaflumizone water dispersible granules.
In the present embodiment, the mass ratio of penta pyrrole worm guanidine and metaflumizone can be 1: 20-40: between 1, change, gross weight composition is 25% constant, forms new embodiment.
Embodiment 6:21% penta pyrrole worm guanidine metaflumizone wetting powder
Penta pyrrole worm guanidine 1%, metaflumizone 20%, lignosulfonates 6%, lauryl sodium sulfate 4%, white carbon 20%, kaolin supply 100%.Above raw material is prepared routinely to the method for wetting powder and fully mixed, be crushed to certain fineness, make 21% penta pyrrole worm guanidine metaflumizone wetting powders.
In the present embodiment, the mass ratio of penta pyrrole worm guanidine and metaflumizone can be 1: 20-40: between 1, change, gross weight composition is 21%, forms new embodiment.
Embodiment 7: field control effectiveness test
By embodiment 2-6 complex preparation and single dose, 20% penta pyrrole worm guanidine SC, 24% metaflumizone SC do comparative trial.Subjects is cauliflower field beet armyworm and paddy field rice leaf roller, is watered even spraying.This tests before medicine, 3 days, 10 days investigation results after dispenser.
Drug effect is calculated as follows:
Control efficiency (%)=1-(before blank district after borer population × treatment region medicine borer population)/(behind blank district before borer population × treatment region medicine borer population)
Field control effectiveness test the results are shown in Table 3, table 4.
The anti-cauliflower beet armyworm of table 3 result of the test
Table 4 is prevented and treated paddy rice rice leaf roller result of the test
Can find out from table 3,4 test data, complex preparation has good control efficiency to beet armyworm mutually with rice leaf roller, and the good lasting effect of quick-acting is better, has reduced dosage.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (5)
1. contain a Pesticidal combination for penta pyrrole worm guanidine and metaflumizone, it is characterized in that its active ingredient is penta pyrrole worm guanidine and metaflumizone, penta described pyrrole worm guanidine and the mass ratio of metaflumizone are 1:20-40:1.
2. Pesticidal combination according to claim 1, is characterized in that penta described pyrrole worm guanidine and the mass ratio of metaflumizone are preferably 1:5-10:1.
3. the preparation of a Pesticidal combination that contains penta pyrrole worm guanidine and metaflumizone as claimed in claim 1, it is characterized in that, described formulation is missible oil, oil-suspending agent, aqueous suspension agent, water dispersible granules or the wetting powder that contains active component penta pyrrole worm guanidine and metaflumizone.
4. the preparation of the Pesticidal combination that contains penta pyrrole worm guanidine and metaflumizone according to claim 3, is characterized in that: described preparation adds adjuvant in preparation process, in described preparation, the mass percentage content of active ingredient is 1～95%.
5. the preparation of the Pesticidal combination that contains penta pyrrole worm guanidine and metaflumizone according to claim 4, is characterized in that: in described preparation, the mass percentage content of active ingredient is preferably 10-60%.
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