CN102349505B - Ultra-low-capacity liquid containing dinotefuran - Google Patents
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Abstract
The invention discloses ultra-low-capacity liquid containing dinotefuran, which takes the dinotefuran or a combination of the dinotefuran and an active component II as an active ingredient. Other components comprise assistants and solvents which are complemented to form ultra-low-capacity liquid with content being 100 percent. The active component II is any one of imidaclothiz, high-efficacy cypermethrin, cypermethrin, ethofenprox, tolfenpyrad, flonicamid, chlorantraniliprole and the like. The ultra-low-capacity liquid containing the dinotefuran can be used for preventing and controlling cropinjurious insects such as rice plant hoppers, rice leaf folders, brown plant hoppers, white back plant hoppers, small brown plant hoppers, rice stem borers, rice thrips and the like, and has the advantages of convenience in production, water saving, high working efficiency, good efficacy, long efficacy duration, synergistic interaction and the like.
Description
Technical field
The present invention relates to technical field of pesticide, particularly a kind of ultra low volume liquids that contains MTI-446.
Background technology
At present for the control of insect that easily produces resistance on the agricultural, main way is that exploitation and existing kind do not have composite between the new composition of cross resistance or the existing pesticide species, the former since required development cost height, cycle long, and at present development rate far away less than the speed of pest resistance to insecticide generation.Therefore, being mixed for the different existing pesticide species of the mechanism of action is a kind of selection of the best.If reasonable mixture ratio then can produce significant synergistic effect, make field control effect significantly be better than the effect of each single agent.Usually there is certain defective in the insecticide that contains the single-activity composition on agricultural insect pests control, continuous several times is used and is not only made insect be easy to generate pesticide resistance, and easily cause the pollution to food and environment, can overcome above shortcoming by rationally being mixed between the pesticide active ingredient.Reasonably the composite active component that makes produces synergistic effect simultaneously, can improve preventive effect, reduces the effective ingredient consumption, saves cost, delays the drug-fast generation of insect, and then can alleviate even avoid agricultural chemicals to the pollution of food and environment.
Ultra low volume liquids is low by the screening volatility, flash-point is high, to former medicine dissolubility is good, low to chemical injury of crops, viscosity is low solvent, do not convert water during dispenser, but directly use with ultra low volume sprayer tool, low-gallonage spraying apparatus or ultra low volume electrostatic spray apparatus.Ultra low volume spraying is not owing to contain the high volatile volatile composition in the droplet, and its size does not have significant change with quality from leave spraying apparatus arrival target process, reduced volatilization with elegant.Droplet is tiny and even, meets " biological optimum grain-diameter " requirement, has significantly improved deposition.Because need not to convert water uses, ultra low volume liquids is suitable for water scarcity, damage by disease and insect fulminant large tracts of land takes place and the occasion of dispenser on a large scale in the palpus short time, and ultra low volume spraying simultaneously reduces operator's labour intensity greatly.
MTI-446 (Dinotefuran) is third generation nicotinic insecticide, chemical name is 1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, or (EZ)-(RS)-1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, or N-methyl-N'-nitro-N''-[(tetrahydrochysene-3-furans) methyl] guanidine.Since exist special furan structure in its structure, thus different at aspect of performance and nicotine, and people are referred to as " furans nicotine " at present.MTI-446 mainly acts on insect neurotransmission system, thereby makes insect paralysis performance insecticidal action.This medicament insecticidal spectrum is wide, can prevent and treat simultaneous numerous insect after the processing, has remarkable interior suction osmosis, and show very high insecticidal activity when very low dosage.This medicament is fool proof to mammal, birds and aquatile, and crop is not had poisoning, can be used for numerous crop pest controls such as paddy rice, fruit tree, vegetables.
Arbitrary pesticide active ingredient is composite that target pest is had good synergistic effect for MTI-446 and imidaclothiz, Biphenthrin, beta-cypermethrin, cypermethrin, ether chrysanthemum ester, Tolfenpyrad, flonicamid, Rynaxypyr, fipronil bisamide, ivermectin, Avermectin, emamectin-benzoate, gamma cyhalothrin, cyfloxylate, pyrrole aphid ketone, chlopyrifos, thiophene worm amine, thiophene worm piperazine, thiophene worm quinoline, Buprofezin etc.
Patent publication No. CN101978830A discloses a kind of Pesticidal combination that contains MTI-446 and gamma cyhalothrin, comprises effective active component, auxiliary agent and filler, it is characterized in that: the effective active composition is MTI-446 and betacyfluthrin; Its Pesticidal combination is made wetting powder, water dispersible granules, suspension emulsion.
Patent publication No. CN102057941A discloses a kind of disinsection compound composition that contains MTI-446, it is characterized in that, its active component is A and B, and wherein A is MTI-446, and B is selected from Avermectin, Biphenthrin, chlopyrifos or the Mobucin one or more; The formulation of composition is missible oil, wetting powder, microemulsion, aqueous emulsion, aqueous suspension agent or water dispersible granules.
By above-mentioned two patents as can be known, the existing preparation of MTI-446 mainly comprises granule, water-soluble granule, pulvis etc., and contain the ultra low volume liquids of MTI-446, do not appear in the newspapers both at home and abroad.
Summary of the invention
The objective of the invention is the deficiency that proposes at said method, the ultra low volume liquids that provides a kind of low toxicity to contain MTI-446 efficiently, this ultra low volume liquids is easy to process, with low cost, good drug efficacy, hold and imitate length, Synergistic, saving water; Can reduce environmental pollution, improve the agricultural chemicals availability, reduce applications of pesticide amount.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of ultra low volume liquids that contains MTI-446 is with MTI-446, or MTI-446 and active component II be active component, and all the other used additives and solvent complement to 100% ultra low volume liquids; Active component II is any one in imidaclothiz, beta-cypermethrin, cypermethrin, ether chrysanthemum ester, Tolfenpyrad, flonicamid, Rynaxypyr, fipronil bisamide, ivermectin, emamectin-benzoate, gamma cyhalothrin, cyfloxylate, pyrrole aphid ketone, thiophene worm amine, thiophene worm piperazine, thiophene worm quinoline or the Buprofezin.
Be active component with the MTI-446, its weight content is 0.1%～15%, preferred weight content 2%～8%, and the weight content of auxiliary agent is 1%～15%, solvent complements to 100%; Be active component with MTI-446 and active component II, the weight content of its total amount is 0.2%～30%, the weight content of MTI-446 is 0.1%～15%, the weight content of active component II is 0.1%～15%, the weight content 4%～12% of preferred total amount, the weight content of auxiliary agent is 1%～15%, and solvent complements to 100%.
Described solvent is one or more combinations in aromatic hydrocarbon solvent, plant oil solvent and the polar solvent;
(1) aromatic hydrocarbon solvent of Shi Heing comprises trimethylbenzene, o-dichlorohenzene, the above heavy aromatics of C10 such as durene, diethylbenzene, methyl-propyl benzene, butylbenzene, methyl naphthalene, two wires oil;
(2) the plant oil solvent of Shi Heing comprises soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, esterified vegetable oil such as methyl oleate, ethyl oleate;
(3) the polar solvent solvent of Shi Heing comprises acetophenone, phenmethylol, methyl-sulfoxide, N-methyl pyrrolidone, N, dinethylformamide, N, N-dimethylacetylamide, the above alcohols of C6 such as n-hexyl alcohol, n-octyl alcohol;
Preferred boiling point is higher than 160 ℃, flash-point and is higher than 60 ℃ solvent.
Described auxiliary agent comprises surfactant, synergist, bleeding agent, be mainly used to improve preparation to adhesiveness, wetability and the permeability of crop and target, strengthen crop and target to the absorption of medicament, reduce the volatility of solvent, improve stability of formulation, reduce the viscosity of preparation, thereby play the effect that improves drug effect.
The surfactant that is fit to is selected from fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, the phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, aliphatic alcohol polyoxyvinethene phosphate, the alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, alkylaryl polyoxyethylene polyoxypropylene ether phosphate, castor oil polyoxyethylene ether, the combination of one or more in the calcium dodecyl benzene sulfonate, preferred fat alcohol APEO, alkylphenol polyoxyethylene, the phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate.
The synergist that is fit to is selected from one or more combination of synergy phosphorus, sulfoxide, piperonyl butoxide etc.
The bleeding agent that is fit to is selected from azone, thiophene ketone, oozes one or more the combination of T soon.The described T that oozes soon can directly buy in market, also is fast penetrant T or fast T.
The concrete preparation method of ultra low volume liquids who contains MTI-446 of the present invention is, in the reaction vessel that band stirs, earlier with solvent with the active component stirring and dissolving after, add auxiliary component again, fully mix, namely get and contain the MTI-446 ultra low volume liquids; Technological parameter is, the speed of mixing is controlled to be 60～150 rev/mins, and mixing time is 15～60 minutes, and temperature is normal temperature.
The target crop that is fit to is cereal crops such as paddy rice, corn or wheat, economic crops such as sugarcane, banana, rubber, cotton, tea tree, oranges and tangerines, apple, hawthorn or peach, vegetable crops such as tomato, eggplant, capsicum, lettuce, celery, wild cabbage, Kidney bean, broad bean, cowpea, pea, ground family crops such as cucumber, pumpkin or watermelon.
The present invention is used for the control rice fulgorid, rice leaf roller, brown planthopper, white-backed planthopper, small brown rice planthopper, striped rice borer, rice thrips, rice gall midge, rice leafhopper, rice leafhopper, rice spider rafter stinkbug, the star stinkbug, green rice bug resembles, red palpus fleahopper, rice leaf beetles, rice tube water snout moth's larva, oryza chinensis, Phytophthira, the aleyrodid class, the a red-spotted lizard class, unaspis shield kuwana, the green stinkbug of Zhu, peach fruit borer, the tangerine lyonetid, the thin moth of tea, striped flea-beetle, the beans fly of diving, the cured a red-spotted lizard in angle, diamond-back moth, two secret notes are chrysomelid, tea golden thistle horse, onion thrips, the golden thistle horse, oranges and tangerines golden thistle horse, crop pests such as soybean pod gall-midge or tomato Liriomyza.
Using method of the present invention is ultra low volume spraying, low-gallonage spraying or ultra low volume electrostatic spray, and a situation arises determines suitable dosage according to controlling object, and formulation rate is 75～150g a.i./hm usually
2
Compared with prior art, the invention has the beneficial effects as follows:
1. spouting liquid is few, only is hundreds of/one of conventional spraying.
2. droplet is little, and ultra low volume electrostatic spray fogdrop diameter is that 30～60 μ m, ultra low volume ground spraying droplet diameter are 30～80 μ m, aerial ultra low volume spraying fogdrop diameter 30～60 μ m, and conventional spraying droplet diameter is many more than 200～600 μ m.
3. spray pattern is the spraying of drift accumulation property, and conventional spraying is the specific aim spraying, namely facing to the crop spraying.
What 4. ultra low volume sprayed is to be the finish of carrier with oil, and concentration is generally a few percent to percent tens; And the conventional water diluent agent concentration that sprays is very low, is generally some thousandths of to ten thousand/several.
5. the work efficiency height is prevented and treated in time.Hand-held ultra low volume spraying machine improves 20～30 times of work efficiency than manual compression sprayer, because of its work efficiency height, can timely and effectively prevent and treat the fulminant insect, as plant hopper, mythimna separata, locust etc.
6. save agricultural chemicals.Save agricultural chemicals more than 30% with general than conventional spraying.
7. water not.Saved water intaking, made up a prescription and heavy physical labor such as negative water operation, the hilly and mountainous land of especially short of rain in arid, manpower shortage and water intaking difficulty is used, and is more convenient.
8. good drug efficacy is held and is imitated length.The oil agricultural chemicals is easy to penetrate ester dissolubility insect body surface and enters in the pest body, show as desinsection rapidly, good drug efficacy; The high boiling point auxiliary agent that occupies larger proportion in the finish can play protective effects such as anti-hydrolysis, anti-oxidant, anti-photodissociation to pesticide activity component, show as hold imitate long.
9. to crop safety.Ultra low volume spraying be difficult for to produce poisoning to crop safety, does not have obviously residually, can improve crop quality.
10. expenses for prevention and control is low.Since ultra low volume spraying have province's medicine, laborsaving, not water, good drug efficacy, hold and imitate advantages such as long, so expenses for prevention and control is lower than conventional spraying.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but the present invention is not limited to the scope that embodiment represents.
Embodiment 1
Prepare 0.1% MTI-446 ultra low volume liquids
Preparation technology: in the reaction vessel that band stirs, press formula rate first with solvent with active component MTI-446 stirring and dissolving after, add auxiliary component again, fully mix, namely get 0.1% MTI-446 ultra low volume liquids; Technological parameter is: mixing speed is controlled to be 60～150 rev/mins, and mixing time is 15～60 minutes, and temperature is normal temperature.
According to the preparation technology identical with embodiment 1, preparation following examples.
Embodiment 2
Prepare 8% MTI-446 ultra low volume liquids
Embodiment 3
Prepare 16% MTI-446 ultra low volume liquids
Embodiment 4
Prepare 7% MTI-446 imidaclothiz ultra low volume liquids
Embodiment 5
Prepare 4% Biphenthrin MTI-446 ultra low volume liquids
Embodiment 6
Prepare 12% Biphenthrin MTI-446 ultra low volume liquids
Embodiment 7
Prepare 4% MTI-446 beta-cypermethrin ultra low volume liquids
Embodiment 8
Prepare 12% MTI-446 beta-cypermethrin ultra low volume liquids
Embodiment 9
Prepare 7% MTI-446 cypermethrin ultra low volume liquids
Embodiment 10
Prepare 9% MTI-446 cypermethrin ultra low volume liquids
Embodiment 11
Prepare 4% MTI-446 ether chrysanthemum ester ultra low volume liquids
Embodiment 12
Prepare 12% MTI-446 ether chrysanthemum ester ultra low volume liquids
Embodiment 13
Prepare 4% MTI-446 Tolfenpyrad ultra low volume liquids
Embodiment 14
Prepare 12% MTI-446 Tolfenpyrad ultra low volume liquids
Embodiment 15
Prepare 7% MTI-446 flonicamid low capacity liquor
Embodiment 16
Prepare 9% MTI-446 flonicamid low capacity liquor
Embodiment 17
Prepare 4% Rynaxypyr MTI-446 ultra low volume liquids
Embodiment 18
Prepare 12% Rynaxypyr MTI-446 ultra low volume liquids
Embodiment 19
Prepare 7% fipronil bisamide MTI-446 ultra low volume liquids
Embodiment 20
Prepare 12% fipronil bisamide MTI-446 ultra low volume liquids
Embodiment 21
Prepare 4% ivermectin MTI-446 ultra low volume liquids
Embodiment 22
Prepare 12% ivermectin MTI-446 ultra low volume liquids
Embodiment 23
Prepare 4% Avermectin MTI-446 ultra low volume liquids
Embodiment 24
Prepare 12% Avermectin MTI-446 ultra low volume liquids
Embodiment 25
Prepare 4% MTI-446 emamectin-benzoate ultra low volume liquids
Embodiment 26
Prepare 12% MTI-446 emamectin-benzoate ultra low volume liquids
Embodiment 27
Prepare 4% MTI-446 gamma cyhalothrin ultra low volume liquids
Embodiment 28
Prepare 12% MTI-446 gamma cyhalothrin ultra low volume liquids
Embodiment 29
Prepare 4% MTI-446 cyfloxylate ultra low volume liquids
Embodiment 30
Prepare 12% MTI-446 cyfloxylate ultra low volume liquids
Embodiment 31
Prepare 7% MTI-446 pyrrole aphid ketone ultra low volume liquids
Embodiment 32
Prepare 9% pyrrole MTI-446 ultra low volume liquids
Embodiment 33
Prepare 9% MTI-446 chlopyrifos ultra low volume liquids
Embodiment 34
Prepare 12% MTI-446 chlopyrifos ultra low volume liquids
Embodiment 35
Prepare 4% MTI-446 thiophene worm amine ultra low volume liquids
Embodiment 36
Prepare 12% MTI-446 thiophene worm amine ultra low volume liquids
Embodiment 37
Prepare 4% MTI-446 thiophene worm piperazine ultra low volume liquids
Embodiment 38
Prepare 12% MTI-446 thiophene worm piperazine ultra low volume liquids
Embodiment 39
Prepare 4% MTI-446 thiophene worm quinoline ultra low volume liquids
Embodiment 40
Prepare 12% MTI-446 thiophene worm quinoline ultra low volume liquids
Embodiment 41
Prepare 9% MTI-446 Buprofezin ultra low volume liquids
Embodiment 42
Prepare 12% MTI-446 Buprofezin ultra low volume liquids
Below again in conjunction with using the field efficacy measurement result that the embodiment of the invention 1～42 is carried out, furthermore bright beneficial effect of the present invention.
Application Example of the present invention is the method that adopts Toxicity Determination and field control effectiveness test to combine.Earlier by Toxicity Determination, the co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC＜80 are antagonism, and 80＜CTC＜120 are summation action, and CTC＞120 are synergistic effect, on this basis, carry out field control effectiveness test again.
Application Example 1
Controlling object: rice fulgorid
Experiment place: rice field, Nanning suburban district
Application method: ultra low volume spraying
Formulation rate: 120g a.i./hm
2
Result of the test sees Table 1.
Table 1: control rice fulgorid field control effectiveness test result
As can be seen from Table 1: ultra low volume liquids of the present invention adopts the ultra low volume spraying method to prevent and treat that rice hoppers quick-acting is strong, control efficiency good, the lasting period is longer.
Application Example 2
Controlling object: diamond-back moth
Experiment place: brassicaceous vegetable vegetable plot, Nanning suburban district
Application method: ultra low volume spraying
Formulation rate: 100g a.i./hm
2
Result of the test sees Table 2.
Table 2: control brassicaceous vegetable diamond-back moth test of pesticide effectiveness result
As can be seen from Table 2: ultra low volume liquids employing ultra low volume spraying method control of the present invention field brassicaceous vegetable diamond-back moth quick-acting is strong, control efficiency good, the lasting period is longer.
Application Example 3
Controlling object: oranges and tangerines scale insect
Experiment place: Wuming County oranges and tangerines garden, Nanning City
Application method: ultra low volume spraying
Formulation rate: 120g a.i./hm
2
Result of the test sees Table 3.
Table 3: control oranges and tangerines scale insect test of pesticide effectiveness result
As can be seen from Table 3: ultra low volume liquids employing ultra low volume spraying method control oranges and tangerines scale insect quick-acting of the present invention is strong, control efficiency good, the lasting period is long.
Claims (5)
1. ultra low volume liquids that contains MTI-446, it is characterized in that: it is with MTI-446, or MTI-446 and active component II composite be active component, all the other used additives and solvent complement to 100% ultra low volume liquids; Active component II is any one in imidaclothiz, beta-cypermethrin, cypermethrin, ether chrysanthemum ester, Tolfenpyrad, flonicamid, Rynaxypyr, fipronil bisamide, ivermectin, emamectin-benzoate, gamma cyhalothrin, cyfloxylate, pyrrole aphid ketone, thiophene worm amine, thiophene worm piperazine, thiophene worm quinoline or the Buprofezin;
(1) with the MTI-446 be active component, its weight content is 0.1%～15%, and the weight content of auxiliary agent is 1%～15%, and solvent complements to 100%;
(2) with MTI-446 and the composite composition active component of active component II, the weight content of its total amount is 0.2%～30%, and the weight content of MTI-446 is 0.1%～15%, and the weight content of active component II is 0.1%～15%, the weight content of auxiliary agent is 1%～15%, and solvent complements to 100%;
Described auxiliary agent comprises surfactant, synergist, bleeding agent; Surfactant is one or more the combination in fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, alkylaryl polyoxyethylene polyoxypropylene ether phosphate, castor oil polyoxyethylene ether, the calcium dodecyl benzene sulfonate; Synergist be synergy phosphorus, sulfoxide, piperonyl butoxide in one or more combination; Bleeding agent is azone, thiophene ketone, oozes one or more combination among the T soon;
Described solvent is one or more combinations in aromatic hydrocarbon solvent, plant oil solvent and the polar solvent; Aromatic hydrocarbon solvent comprises trimethylbenzene, o-dichlorohenzene, the above heavy aromatics of C10; The plant oil solvent comprises soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, esterified vegetable oil; Polar solvent comprises acetophenone, phenmethylol, methyl-sulfoxide, N-methyl pyrrolidone, N, dinethylformamide, N, N-dimethylacetylamide, the above alcohols of C6;
The above heavy aromatics of described C10 is durene, diethylbenzene, methyl-propyl benzene, butylbenzene, methyl naphthalene, two wires oil; Esterified vegetable oil is methyl oleate, ethyl oleate; The above alcohols of C6 is n-hexyl alcohol, n-octyl alcohol.
2. the ultra low volume liquids that contains MTI-446 according to claim 1, it is characterized in that: described with MTI-446 and the composite composition active component of active component II, the weight content of its total amount is 4%～12%, and the weight content of auxiliary agent is 1%～15%, and solvent complements to 100%.
3. the preparation method who contains the ultra low volume liquids of MTI-446 according to claim 1, it is characterized in that: in the reaction vessel that band stirs, earlier with solvent with the active component stirring and dissolving after, add auxiliary component again, fully mix, namely get and contain the MTI-446 ultra low volume liquids; Technological parameter is: mixing speed is controlled to be 60～150 rev/mins, and mixing time is 15～60 minutes, and temperature is normal temperature.
4. the application of ultra low volume liquids on the control crop pest that contains MTI-446 according to claim 1, it is characterized in that: it is the control rice fulgorid, rice leaf roller, brown planthopper, white-backed planthopper, small brown rice planthopper, striped rice borer, rice thrips, rice gall midge, rice leafhopper, rice leafhopper, rice spider rafter stinkbug, the star stinkbug, green rice bug resembles, red palpus fleahopper, rice leaf beetles, rice tube water snout moth's larva, oryza chinensis, Phytophthira, the aleyrodid class, unaspis shield kuwana, the green stinkbug of Zhu, peach fruit borer, the tangerine lyonetid, the thin moth of tea, striped flea-beetle, the beans fly of diving, the cured a red-spotted lizard in angle, diamond-back moth, two secret notes are chrysomelid, tea golden thistle horse, onion thrips, the golden thistle horse, oranges and tangerines golden thistle horse, application on soybean pod gall-midge or the tomato Liriomyza crop pest.
5. the application process that contains the ultra low volume liquids of MTI-446 according to claim 1, it is characterized in that: its application process is ultra low volume spraying, low-gallonage spraying or ultra low volume electrostatic spray.
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