CN102771494A - Insecticidal composition containing Guadipyr and macrolide pesticide - Google Patents
Insecticidal composition containing Guadipyr and macrolide pesticide Download PDFInfo
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- CN102771494A CN102771494A CN2012102556450A CN201210255645A CN102771494A CN 102771494 A CN102771494 A CN 102771494A CN 2012102556450 A CN2012102556450 A CN 2012102556450A CN 201210255645 A CN201210255645 A CN 201210255645A CN 102771494 A CN102771494 A CN 102771494A
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Abstract
The invention discloses insecticidal composition containing Guadipyr and macrolide pesticide. Effective ingredients of the insecticidal composition include an active ingredient A Guadipyr and another active ingredient macrolide B. The active ingredient B is avermectin or emamectin benzoate. The mass ratio of the active ingredient A Guadipyr to the active ingredient B is 50:1-1:30. The insecticidal composition is more insecticidally effective than the independently used active ingredients, namely the insecticidal composition compounded has evident synergic effect and is capable of effectively controlling various types of pests. Therefore, consumption and number of use of pesticides can be reduced, and resistance of the pests is delayed or overcome.
Description
Technical field
The present invention relates to a kind of Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals with excellent insecticidal action.
Background technology
Penta pyrrole worm guanidine (Guadipyr) is the method that adopts MOLECULE DESIGN and active substructure to splice mutually by the Qin Zhaohai of China Agricultural University professor seminar; With active structure ingenious set up with in a part of anabasine (is representative with the Imidacloprid), obtained to have concurrently the new and effective desinsection series compound of anabasine and sodium-ion channel inhibitor characteristics with amine ureas (is representative with the indenes worm prestige) insecticide that contracts.Penta pyrrole worm guanidine chemical name: 1-nitro-3-[(6-chloropyridine-3-yl) methyl]-4-penta its structural formula of methene amido guanidine:
Penta pyrrole worm guanidine has unique mechanism of action, and sucking pest is had excellent preventive effect, than anabasine insecticide preventive effects such as Imidacloprid significantly and the lasting period longer, be the preferred agents of control sucking pest.
In recent years, the harm of lepidoptera pests such as sucking pest such as aphid, plant hopper, aleyrodid and diamond-back moth, beet armyworm is rampant, and mixes and take place generally, has become the primary pest in paddy rice, vegetables, fruit tree and the protection ground pattern of farming.This class pest is owing to characteristics such as its breeding are fast, and breeding amount is big, and generation overlap is obvious, and is very fast to the resistance generation of medicament, thereby strengthened difficulty of prevention and cure.The pesticide compositional of different effects mechanism is to delay and administer one of effective way of resistance; Simultaneously, different mechanism pesticide compositionals can also effectively reduce dosage and drug cost except effectively delaying and administering the pest resistance, reduce environmental pollution.
Application patent to penta pyrrole worm guanidine mainly contains at present:
Chinese patent: 201110306796.X, denomination of invention: a kind of Pesticidal combination and preparation thereof and application, this invention relate to said Pesticidal combination and are made up of penta pyrrole worm guanidine and Imidacloprid.Invent on said Pesticidal combination and the pesticidal preparations acceptable auxiliary material by this and form, the mass percent that said Pesticidal combination accounts for said insecticide is 1-85%.This insecticidal effect of inventing said Pesticidal combination and preparation thereof significantly improves, and has the notable synergistic effect, can delay the generation of pest resistance to insecticide, can be widely used in agriculture field.This invention has provided the composite patent situation of penta pyrrole worm guanidine and Imidacloprid, but these two kinds of compositions all are to be primarily aimed at the sucking pest control, and therefore this invention has bigger limitation on controlling object, and the control target is narrower.
Chinese patent: 201110306778.1, denomination of invention: a kind of Pesticidal combination and preparation thereof and application, this is invented said Pesticidal combination and is made up of penta pyrrole worm guanidine and Rynaxypyr.Invent on said Pesticidal combination and the pesticidal preparations acceptable auxiliary material by this and form, the mass percent that said Pesticidal combination accounts for said insecticide is 1-85%.This insecticidal effect of inventing said Pesticidal combination and preparation thereof significantly improves, and has the notable synergistic effect, can prevent and treat lepidoptera pest and sucking pest simultaneously, delays the generation of pest resistance to insecticide, can be widely used in agriculture field.This invention has only provided the composite applicable cases of penta pyrrole worm guanidine and Rynaxypyr; And for that can also use to the integrated control of sucking mouth parts and lepidoptera pest and composition that preventive effect is desirable is also a lot, this invention is included, and to be applied to the branch limitation bigger.
Summary of the invention
The object of the present invention is to provide a kind of agricultural chemical composition for disinsection, the active ingredient of said composition is a kind of in active components A penta pyrrole worm guanidine and active component B macrolides pesticide avermectin, the first dimension salt.
Said composition has obvious synergistic effect to preventing insect, not only can reduce the usage amount of active ingredient, reduces use cost, can also delay the generation of pest resistance, is used for the improvement of resistant insect.In addition, said composition provides a kind of composition that agricultural is used that is more suitable for, and is particularly useful for insects such as sucking pest, lepidoptera pest, Hymenoptera insect, thrips insect, coleopteran pest and mite class, root-knot nematode.
Following for reaching the technical scheme that the object of the invention takes:
The present invention contains the Pesticidal combination of penta pyrrole worm guanidine and macrolides agricultural chemicals, and it is composite to adopt active component (A) penta pyrrole worm guanidine and another kind of active component (B) to carry out, and wherein active component B macrolides agricultural chemicals is a kind of in AVM or the first dimension salt.The mass ratio of active component (A) penta pyrrole worm guanidine and active component (B) is 50:1-1:50.
Another kind of improvement project of the present invention is: the mass ratio of active component (A) penta pyrrole worm guanidine and active component (B) is 20:1-1:20.
The present invention can use according to the agricultural of reality and be processed into suitable various formulations, comprising: but microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules dispersed oil suspending agent, suspension emulsion, ultra low volume liquids, electrostatic oil agent or dry suspending agent.
Another kind of improvement project of the present invention is: but the preferred suspending agent of formulation, wetting powder, water dispersible granules, microcapsule suspending agent, microcapsules pulvis dispersed oil suspending agent, suspension emulsion, ultra low volume liquids, electrostatic oil agent or the dry suspending agent of composition according to the invention processing.
In these preparations, except that active component, all contain surfactant, and can also contain organic solvent or thinners such as cosolvent, carrier (filler) or water according to different dosage form.Add other functional aids such as antifreeze, thickener, stabilizing agent, antifoaming agent or disintegrant in case of necessity.
Said auxiliary agent is dispersant NNO or lauryl sodium sulfate, one or more among Dispersant MF, sodium lignin sulfonate, polyvinyl alcohol, agricultural newborn 600#, AEO, NPE, castor oil polyoxyethylene ether, APES phosphate, naphthalene sulfonic acid formaldehyde condensation polymer, ammonium sulfate or the agricultural newborn 500#.
Said solvent is one or more in isopropyl alcohol, cyclohexanone, dimethyl formamide, xylol or the ethyl acetate.
Said carrier is one or more in white carbon, kaolin, precipitated calcium carbonate, potter's clay or the water.
The present composition is applicable to spraying, dress seed, soak root, soak seed, smear, irritate execute, ditch spread or the various occupation modes of spreading manuer in holes.
The present composition is applicable to the various pests evil mite in the agricultural, is particularly useful for aphid, plant hopper, aleyrodid, wood louse, thrips, leafhopper, beetle, scale insect, two spotted spider mite etc.
The present invention has following advantage:
1, the various pests that can effectively prevent and treat on the agricultural does harm to mite, and is especially excellent to insect effects such as sucking pest, lepidoptera pest, thrips insect, Hymenoptera insect, mite class, root-knot nematodes.
2, active component described in the composition has obvious synergistic effect after composite, thereby has reduced the usage amount and the use cost of active component, has improved medicament simultaneously to safety of environment property.
3, obviously delay the resistance generation of insect evil mite, and antagonism insect evil mite is administered effectively.
Description of drawings
Accompanying drawing is the basic flow sheet of preparation composition pesticide suspending agent of the present invention.
Embodiment
Through embodiment the present invention is described further below.It should be understood that the said preparation method of the embodiment of the invention is only used for explaining the present invention, rather than limitation of the present invention, under design prerequisite of the present invention, preparation method's of the present invention simple modifications is all belonged to the present invention and require the scope protected.
In FORMULATION EXAMPLE, we introduce the detailed ratio of composition, and in biologically active embodiment, we introduce the outstanding biologically active of composition in detail.At first introduce the preparation of Pesticidal combination.
These article are made up of active ingredient, auxiliary agent, solvent three parts; Components such as former medicine, auxiliary agent, solvent are mixed in mixing kettle; Then with carrying out sand milling in the mixture suction sand mill, treat active ingredient be sanded to particle diameter be about 5 μ m after, the suction blender mixes once more.The various auxiliary agents that add in this patent can keep preparation stablizing under high temperature, low temperature, help storage, transportation, guarantee drug effect.
The various auxiliary agents that the present invention added, solvent etc. are the market sale product, and pesticide producing is used assistant agent always.
Below in conjunction with embodiment to this bright explaining further details.But be not limited thereto.
Embodiment 15.1% penta pyrrole worm guanidine AVM suspending agents (5:0.1)
725 gram deionized waters in the suction agitator tank; In 40 gram sodium lignin sulfonates, 50 gram dispersant NNO, 50 gram lauryl sodium sulfate, 50 gram ethylene glycol, suction agitator tank; The limit is stirred 50 grams, penta pyrrole worm guanidine, 1 gram AVM, 30 gram white carbons, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 5.1% penta pyrrole worm guanidine AVM suspending agents.
The salt suspension agent (40:1) of embodiment 241% penta pyrrole worm guanidine first dimension
420 gram deionized waters in the suction agitator tank; In 40 gram Dispersant MFs, 40 gram sodium lignin sulfonates, 40 gram lauryl sodium sulfate, 40 gram ethylene glycol, suction agitator tank; The limit is stirred 400 grams, penta pyrrole worm guanidine, 10 gram first dimension salt, 10 gram white carbons, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly get 41% penta pyrrole worm guanidine first and ties up the salt suspension agent.
Embodiment 331% penta pyrrole worm guanidine AVM suspending agents (30:1)
510 gram deionized waters in the suction agitator tank; In 40 gram dispersant NNO, 60 gram sodium lignin sulfonates, 20 gram lauryl sodium sulfate, 40 gram isopropyl alcohols, suction agitator tank; The limit is stirred 300 grams, penta pyrrole worm guanidine, 10 gram AVMs, 20 gram potter's clay, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 31% penta pyrrole worm guanidine AVM suspending agents.
The salt suspension agent (20:1) of embodiment 421% penta pyrrole worm guanidine first dimension
580 gram deionized waters in the suction agitator tank; In 40 gram dispersant NNO, 60 gram Dispersant MFs, 50 gram lauryl sodium sulfate, 40 gram isopropyl alcohols, suction agitator tank; The limit is stirred 200 grams, penta pyrrole worm guanidine, 10 gram first dimension salt, 20 gram kaolin, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly get 21% penta pyrrole worm guanidine first and ties up the salt suspension agent.
The salt suspension agent (10:1) of embodiment 511% penta pyrrole worm guanidine first dimension
692 gram deionized waters in the suction agitator tank; In 40 gram naphthalene sulfonic acid formaldehyde condensation polymers, 40 gram Dispersant MFs, 60 gram AEOs and 5 gram calories pine preservative, 50 gram ethylene glycol, suction agitator tank; The limit is stirred 100 grams, penta pyrrole worm guanidine, 10 gram first dimension salt, 3 gram xanthans, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly get 11% penta pyrrole worm guanidine first and ties up the salt suspension agent.
Embodiment 610% penta pyrrole worm guanidine AVM suspending agents (1:1)
710 gram deionized waters in the suction agitator tank; In 30 gram APES phosphates, 40 gram dispersing agent MFs, 40 gram NPEs, 40 gram ethylene glycol, suction agitator tank; The limit is stirred 50 grams, penta pyrrole worm guanidine, 50 gram AVMs, 40 gram potter's clay, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 10% penta pyrrole worm guanidine AVM suspending agents.
The salt suspension agent (1:10) of embodiment 75.5% penta pyrrole worm guanidine first dimension
765 gram deionized waters in the suction agitator tank; In the agricultural newborn 600# of 20 grams, 40 gram Dispersant MFs, 30 gram AEOs, 40 gram ethylene glycol, suction agitator tank; The limit is stirred 5 grams, penta pyrrole worm guanidine, 50 gram first dimension salt, 50 gram polyvinyl alcohol, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly get 5.5% penta pyrrole worm guanidine first and ties up salt prestige suspending agent.
Embodiment 810.2% penta pyrrole worm guanidine AVM suspending agents (1:50)
698 gram deionized waters in the suction agitator tank; In 50 gram sodium lignin sulfonates, 40 gram Dispersant MFs, 40 gram lauryl sodium sulfate, 40 gram ammonium sulfate, suction agitator tank; The limit is stirred 2 grams, penta pyrrole worm guanidine, 100 gram AVMs, 30 gram kaolin, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 10.2% penta pyrrole worm guanidine AVM suspending agents.
Embodiment 921% penta pyrrole worm guanidine AVM suspending agents (1:20)
580 gram deionized waters in the suction agitator tank; In 50 gram sodium lignin sulfonates, 40 gram dispersant NNO, 60 gram lauryl sodium sulfate, 40 gram ammonium sulfate, suction agitator tank; The limit is stirred 10 grams, penta pyrrole worm guanidine, 200 gram AVMs, 20 gram potter's clay, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 21% penta pyrrole worm guanidine AVM suspending agents.
Embodiment 1031% penta pyrrole worm guanidine AVM suspending agents (1:30)
520 gram deionized waters in the suction agitator tank; In 40 gram sodium lignin sulfonates, 40 gram dispersant NNO, 40 gram lauryl sodium sulfate, 40 gram ammonium sulfate, suction agitator tank; The limit is stirred 10 grams, penta pyrrole worm guanidine, 300 gram AVMs, 10 gram white carbons, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, promptly gets 31% penta pyrrole worm guanidine AVM suspending agents.
Embodiment 116% penta pyrrole worm guanidine first dimension salt microemulsion (2:1)
Penta pyrrole worm guanidine, 40 grams, first are tieed up salt 20 grams, and with ethyl acetate 100 grams, the dissolving in container of dimethyl formamide 40 grams is complete; Add BY 12520 grams then; The newborn 500#45 gram of farming, agricultural newborn 600#75 gram gram mixes, and adds epoxychloropropane 30 grams while stirring; Isopropyl alcohol 40 grams, deionized water 590 grams.Stir got final product in 30 minutes 6% penta pyrrole worm guanidine first dimension salt prestige microemulsion.
Embodiment 126% penta pyrrole worm guanidine abamectin aqueous emulsions (5:1)
Penta pyrrole worm guanidine, 50 grams, AVM 10 grams are dissolved in the mixed liquor of 150 gram xylol and 50 gram cyclohexanone, add castor oil polyoxyethylene ether 30 grams, AEO 30 grams; Start clipper; The limit sheared edge adds epoxidized soybean oil 50 grams, ethylene glycol 50 grams, deionized water 565 grams.High speed shear got final product in 30 minutes 6% penta pyrrole worm guanidine abamectin aqueous emulsions.
Embodiment 1355% penta pyrrole worm guanidine AVM wetting powders (10:1)
With AVM 50 grams, penta pyrrole worm guanidine, 500 grams, Dispersant MF 60 grams, naphthalenesulfonate formaldehyde condensation compound 40 grams; Lauryl sodium sulfate 50 grams, white carbon 50 grams, precipitated calcium carbonate 250 grams; Stir, adopt comminution by gas stream processing, get final product 55% penta pyrrole worm guanidine AVM wetting powders.
Embodiment 1470% penta pyrrole worm guanidine emamectin benzoate water dispersible granules (1:6)
First is tieed up salt 100 grams, penta pyrrole worm guanidine, 600 grams, white carbon 50 grams, dispersant NNO 50 grams, Dispersant MF 50 grams; Lauryl sodium sulfate 40 grams, precipitated calcium carbonate 50 grams, ammonium sulfate 60 grams mix laggard comminution by gas stream; In mixer, spray into and mediate about 160 grams of agent deionized water, adjustment extrusion equipment; Carry out extruder grain, it is qualified under 50～80 ℃ of conditions, to dry to moisture, get final product 70% penta pyrrole worm guanidine emamectin benzoate water dispersible granules.
But embodiment 1535% penta pyrrole worm guanidine first dimension salt dispersed oil suspending agent (5:2)
490 restrain the sour methyl esters that deoils in the suction agitator tank; In 40 gram APES phosphates, 40 gram castor oil polyoxyethylene ethers and 60 gram calcium dodecyl benzene sulfonates, suction agitator tank; The limit is stirred 100 gram first dimension salt, 250 grams, penta pyrrole worm guanidine, 20 gram organobentonites, is dropped in order and shear jar then, shears to make mixing of materials even in 30 minutes.Open cycle water, with a certain amount of flow, below temperature control 40 degree, fineness is crossed 325 mesh sieves with the material ball milling, ties up salt dispersed oil suspending agent but promptly get 35% penta pyrrole worm guanidine first.
Embodiment 164.5% penta pyrrole worm guanidine first dimension salt ultra low volume liquids (1:8)
With the finished product ultra low volume liquids is that weight 1000 grams calculate, penta pyrrole worm guanidine, 5 grams, first dimension salt 40 grams; Dimethyl formamide 100 grams; Neopelex 55 grams, the two wires oil solvent complements to 1000 grams, stirs 30 minutes; To transparent fully, detect and be 4.5% penta pyrrole worm guanidine first after qualified and tie up the salt ultra low volume liquids.
Embodiment 172% penta pyrrole worm guanidine AVM ultra low volume liquids (1:1)
With the finished product ultra low volume liquids is that weight 1000 grams calculate, penta pyrrole worm guanidine, 10 grams, AVM 10 grams; Dimethyl formamide 50 grams, ethyl acetate 100 grams, castor oil polyoxyethylene ether 100 grams; The two wires oil solvent complements to 1000 grams; Stirred 30 minutes, and to transparent fully, detected and be 2% penta pyrrole worm guanidine AVM ultra low volume liquids after qualified.
Embodiment 1827% penta pyrrole worm guanidine first dimension salt dry suspending agent (20:7)
With penta pyrrole worm guanidine, 200 grams, first dimension salt 70 grams, alkylaryl polyoxyethylene polyoxypropylene ether 30 grams, NPE phosphate 40 grams, Dispersant MF 60 grams; Add in the mixed solution, suction deionized water 600 grams stir again; Carry out coarse crushing with high-speed shearing machine then; Get into the fine grinding of two-stage sand mill again, levigate back adds white carbon 100 grams, and ammonium sulfate 370 gram backs get into pressure spray dryer tower drying or granulation; Process powdery or microgranular solid, detect and be 27% penta pyrrole worm guanidine first dimension salt dry suspending agents after qualified.Identical after the entry during use with the suspending agent effect, but bin stability is superior to suspending agent again.
The embodiment of the invention is the method that adopts indoor virulence and field trial to combine.Earlier through Toxicity Determination, whether synergy or addition after clear and definite two kinds of medicaments are composite by a certain percentage.Composite dose co-toxicity coefficient (CTC)>=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
Toxicity Determination embodiment
1, the different proportioning co-toxicity tests of penta pyrrole worm guanidine with AVM
1.1 supply the reagent agent
The 96% penta former medicines of pyrrole worm guanidine, the former medicine of 92% AVM, penta pyrrole worm guanidine and AVM different proportion mixture preparation
1.2 supply examination worm source
The resistant rice plant hopper
1.3 test determination method
Adopt rice stem infusion process, take healthy and strong consistent booting rice in mid-term strain, clean, be cut into the long company's root rice stem of 15cm, drying in the air in the place, cool place does not have washmarking to the surface, subsequent use.According to the preliminary experiment result, former medicine is made into 10% missible oil, be diluted with water to variable concentrations; With the clear water is contrast, places the rice stem of getting ready the soup of variable concentrations to soak 30s respectively, dries slightly after the taking-up; The absorbent cotton that soaks with clear water encases root, puts into test tube (high 180mm* diameter 18mm), criteria for selection consistent 3 age nymph; Put in vitro 20 of every pipes.Seal with wet gauze the upper end, and each concentration repeats 3 times, totally 60.Connecing test tube behind the worm, to put into temperature be that 26 degree, relative moisture are 70% insectary; Dead, the borer population of living of inspection calculates lethality, and proofreaies and correct with the lethality of contrast behind the 48h; Ask virulence regression equation with probability value analytical method then, dense and correlation coefficient in causing death.
1.4 statistical method
Calculate LC50 according to measuring the result, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).The co-toxicity coefficient computing formula is following:
In the formula: ATI---mixture actual measurement toxicity index;
S---the LC of standard insecticide
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……………………………………(2)
According to calculate the theoretical toxicity index of mixture according to formula
In the formula: TTI---the theoretical toxicity index of mixture;
TI
A---A medicament toxicity index;
P
A---the percentage composition of A medicament in mixture, unit are percentage (%);
TI
B---B medicament toxicity index;
P
B---the percentage composition of B medicament in mixture, unit are percentage (%).
Calculate the co-toxicity coefficient of mixture according to formula
In the formula: CTC---co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Composite dose co-toxicity coefficient (CTC)>=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
1.5 toxicity test result
Can find out by last table; Two compositions of penta pyrrole worm guanidine and AVM composite after under each proportioning its co-toxicity coefficient all greater than 120; Explaining that these two kinds of compositions are composite has an obvious synergistic effect; Penta pyrrole worm guanidine and AVM are mixed and have very strong reasonability and feasibility, all are worth further carrying out the land for growing field crops and promote.
2, penta pyrrole worm guanidine and first dimension salt pair wild cabbage beet armyworm Toxicity Determination
2.1 test method
Adopt and to soak the method that connects worm behind the leaf earlier, the of the same size fresh cabbage leaves that does not contact any medicament flood taking-up behind the 5s, dries naturally in the soup that configures, put into insect box; Connect then and supply examination beet exigua larvae in 3 age, under 25 degree conditions, raise, every processing repeats for 3 times; The every repetition is provided with blank simultaneously with 30 of examination worms, the dead borer population of inspection behind the 72h; Calculate lethality and corrected mortality, obtain regression equation, calculate LC50 and co-toxicity coefficient.
2.2 test statistics method
With embodiment 1, adopt the abundant method of Sun Yun to calculate co-toxicity coefficient.
2.3 result of the test
Visible by last table, in the different proportion mixture preparation of penta pyrrole worm guanidine and first dimension salt, its co-toxicity coefficient has shown obvious synergistic effect all greater than 120, and its control efficiency to the wild cabbage beet armyworm obviously improves, and usage amount also obviously reduces.
In sum; Penta pyrrole worm guanidine of the present invention and AVM, first dimension salt complex composition lepidoptera pest such as sucking pest such as antagonism rice fulgorid and wild cabbage beet armyworm and other various agricultural insect in Toxicity Determination all have desirable control efficiency; With respect to each single agent obvious synergistic effect is arranged all; It will bring into play very big effect in the control of agricultural pest and the resistance comprehensive regulation, be worthy to be popularized.
The field experiment drug effect:
1, penta pyrrole worm guanidine and AVM, the composite field trial of first dimension salt to the sucking pest cotten aphid
Do cotten aphid is carried out the test of pesticide effectiveness with embodiment 1-13 gained complex preparation and the single agent of 10% penta pyrrole worm guanidine SC, the single agent of 3.2% AVM EC, the single agent of 2% first dimension salt EC.Select calm no rainy day gas to make an experiment, do not have rainfall in all stage of investigation, and before experiment, test back investigation in 1,3,7 day insect pest situation, according to following formula calculating drug effect:
Preventive effect (%)=1-(insect population is counted insect population number behind the * treatment region medicine before the blank medicine)/(before and after the blank medicine before mouthful number * treatment region medicine insect population number)
Result of the test is following:
Table 1 embodiment 1-13 complex preparation and the control efficiency of contrast medicament to the sucking pest cotten aphid
Can find out by last table; Penta pyrrole worm guanidine according to the invention and first dimension salt or abamectin compounded composite are tieed up the preventive effect of salt and the agent of AVM list apparently higher than its penta pyrrole worm guanidine, first to the preventive effect of sucking pest cotten aphid; Explain that complex composition according to the invention has obvious synergistic effect, it has improved the control efficiency to sucking pest greatly.
2, penta pyrrole worm guanidine and AVM, the composite field trial of first dimension salt to lepidoptera pest seed rice leaf roll snout moth's larva
Do seed rice leaf roll snout moth's larva is carried out the test of pesticide effectiveness with embodiment 1-13 gained complex preparation and the single agent of 10% penta pyrrole worm guanidine SC, the single agent of 3.2% AVM EC, the single agent of 2% first dimension salt EC.Select calm no rainy day gas to make an experiment, do not have rainfall in all stage of investigation, and before experiment, test back investigation in 1,3,7 day insect pest situation, according to following formula calculating drug effect:
Preventive effect (%)=1-(insect population is counted insect population number behind the * treatment region medicine before the blank medicine)/(before and after the blank medicine before mouthful number * treatment region medicine insect population number)
Result of the test is following:
Table 1 embodiment 1-13 complex preparation and single agent are to the control efficiency of lepidoptera pest seed rice leaf roll snout moth's larva
Can find out by last table data; Penta pyrrole worm guanidine according to the invention and first dimension salt or abamectin compounded composite are tieed up the preventive effect of salt and the agent of AVM list apparently higher than its penta pyrrole worm guanidine, first to the preventive effect of lepidoptera pest seed rice leaf roll snout moth's larva; Explain that complex composition according to the invention has obvious synergistic effect, it has improved the control efficiency to lepidoptera pest greatly.
The result of comprehensive above field trial can find out; Obviously improve the preventive effect of sucking pest and lepidoptera pest penta pyrrole worm guanidine of the present invention and AVM, the composite back of first dimension salt; It has obvious synergistic effect; Present resistant insect is had the good comprehensive governance role, and compound according to the invention also has desirable control efficiency to other pest simultaneously.
Claims (10)
1. Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals is characterized in that: comprise active components A penta pyrrole worm guanidine and active component B macrolides agricultural chemicals, active component B is a kind of in AVM or the Affirm (Merck Co.).
2. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 1 is characterized in that: the mass ratio of active components A and active component B is 50:1-1:30.
3. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 2 is characterized in that: the mass ratio of active components A and active component B is preferably 20:1-1:20.
4. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 1 and 2 is characterized in that: also contain normally used auxiliary agent in the pesticidal preparations, solvent, carrier auxiliary element to make the formulation that various suitable agriculturals are used.
5. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 4; It is characterized in that: said auxiliary agent is dispersant NNO or lauryl sodium sulfate, one or more among Dispersant MF, sodium lignin sulfonate, polyvinyl alcohol, agricultural newborn 600#, AEO, NPE, castor oil polyoxyethylene ether, APES phosphate, naphthalene sulfonic acid formaldehyde condensation polymer, ammonium sulfate or the agricultural newborn 500#.
6. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 4 is characterized in that: said solvent is one or more in isopropyl alcohol, cyclohexanone, dimethyl formamide, xylol or the ethyl acetate.
7. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 4 is characterized in that: said carrier is one or more in white carbon, kaolin, precipitated calcium carbonate, potter's clay or the water.
8. according to the described Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals of claim claim 4, it is characterized in that: but described formulation has microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules dispersed oil suspending agent, ultra low volume liquids, electrostatic oil agent or dry suspending agent.
9. the Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals according to claim 1 and 2 is characterized in that: be applicable to spraying, dress seed, soak root, soak seed, smear, irritate execute, ditch spread or the various occupation modes of spreading manuer in holes.
10. the described Pesticidal combination that contains penta pyrrole worm guanidine and macrolides agricultural chemicals of claim 1-9 is characterized in that: be used for preventing and treating the various pests on the agricultural various crop.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102792965A (en) * | 2012-09-06 | 2012-11-28 | 中国农业大学 | Insecticide compound comprising guadipyr |
| CN109997868A (en) * | 2019-05-09 | 2019-07-12 | 山东省农业科学院植物保护研究所 | A kind of medicament composition for preventing and treating Tetranychus urticae, Bemisia tabaci |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
| CN102308836A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
| CN102308836A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102792965A (en) * | 2012-09-06 | 2012-11-28 | 中国农业大学 | Insecticide compound comprising guadipyr |
| CN109997868A (en) * | 2019-05-09 | 2019-07-12 | 山东省农业科学院植物保护研究所 | A kind of medicament composition for preventing and treating Tetranychus urticae, Bemisia tabaci |
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| CN102771494B (en) | 2013-12-25 |
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