CN1471822A - Composition with insect killing activity - Google Patents
Composition with insect killing activity Download PDFInfo
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- CN1471822A CN1471822A CNA031320376A CN03132037A CN1471822A CN 1471822 A CN1471822 A CN 1471822A CN A031320376 A CNA031320376 A CN A031320376A CN 03132037 A CN03132037 A CN 03132037A CN 1471822 A CN1471822 A CN 1471822A
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Abstract
A composition with insecticiding activity for agricultural and horticultural crops contains 1-(2,7-dimethylbenzene-2,3-dihydrobenzofuran-6-) acyl-2-(3,5-dimethyl-1-)acyl-2-tert-butyl hydrazine, that is, JS118, and one or more insecticides chosen from organophosphorus, pyrethroid, nicotin, pyrazole, pyrrole, nereistoxin and biologic insecticides.
Description
Technical field
The present invention relates to a kind of 1-(2 that contains as active ingredient; 7-dimethyl benzene-2; acyl group-the 2-of 3 Dihydrobenzofuranes-6-) (3, the acyl group-2-tertiary butyl hydrazine of 5-dimethyl-1-) (be called for short: JS118) and one or more be selected from the composition with insecticidal activity of organic phosphor, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide.The composition that the present invention has insecticidal activity can be used to prevent and treat the insect of taking place on the crops such as agriculture and garden effectively.Belong to the agriculture and garden field.
Background technology
Aspect crop or ornamental plant protection, be principle with disease, worm, the crop smothering comprehensive regulation, to adopt agricultural chemicals to reduce causing harm of disease pest and weed inevitably, improve crop yield and quality.Agricultural chemicals is as a class important agricultural material, in the history of the existing 50 years of researches exploitation of China, production application.At first, diversity of organism makes the pest in damage to crops and gardens comprise that populations such as disease, worm, grass constantly change, and is more and more higher for the requirement of control medicament; Secondly, the prolonged application of agricultural chemicals develops immunity to drugs pest, and this just needs, and the pesticide research developer develops efficiently, safety, and eco-friendly pharmaceutical preparations, to satisfy the needs of plant protection.Once more, because the research and development cycle of novel pesticide is long, difficulty is big, and is scientific and reasonable for the application requirements of new varieties, increases the service life, and increases investment repayment.At last,, accept alap cost, comprise reagent cost and application cost for direct user.
Have one of effective ingredient of Insecticidally-active composition as the present invention, JS118 is a kind of hydrazides insecticides, by Jiangsu Prov. Inst. of Agricultural Chemicals's independent development exploitation.JS118 belongs to insect growth regulator, IGR, influence casting off a skin of insect larvae and cause insect death, based on stomach toxicity, food refusal, lepidoptera pest is had excellent activity, be applied to pest control on the agriculture and garden crops such as cotton, vegetables, fruit tree, tea tree, gardening, flowers.JS118 has characteristics such as quick-acting is poor, lasting effect is medium, environmental safety height, considers that in actual applications the application of mix preparation is very important.
Have other effective ingredient of composition of insecticidal activity as the present invention optional from wherein one or more of organic phosphor; Pyrethroid; Nicotinoids; Pyrazoles; Pyroles; Neires toxin; biological species agrochemical seven classes following ( 1 )-( 38 ) .38A,//： ( 1 ) /trichlorfon/ ( 2 ) /triazophos/ ( 3 ) /phoxim/ ( 4 ) /chlorpyrifos/ ( 5 ) /malathion/ ( 6 ) / ( ) / ( 7 ) /permethrin/ ( 8 ) /cypermethrin/ ( 9 ) /alphacyperthrin/ ( 10 ) /beta-cypermethrin/ ( 11 ) /clocythrin/ ( 12 ) /cypermethrin/ ( 13 ) /delatmethrin/ ( 14 ) /ethofenprox/ ( 15 ) //Imidacloprid/ ( 16 ) /Acetamiprid/ ( 17 ) /Thiamethoxam/ ( 18 ) /nitenpyram/ ( 19 ) /dinotefuran/ ( 20 ) /clothianidin/ ( 21 ) /Thacloprid/ ( 22 ) /Fiproni l/ ( 23 ) ( ) /ethiprole// ( 24 ) ( ) /vaniliprole// ( 25 ) /chlorfenapyr/ ( 26 ) / ( 27 ) /dimthypo/ ( 28 ) /cartap/ ( 29 ) /thiocyclam-hydrogeno-xalate/ ( 30 ) // ( 31 ) /Bacullus thuringiensis/ ( 32 ) /Avermectin/ ( 33 ) /Emamectin benzoate ( 34 ) // ( 35 ) /nicotine/ ( 36 ) /Spinosad/ ( 37 ) /Toosendarin/ ( 38 ) /azadirachtin/
Above-mentioned 38 kinds adhere to 7 types insecticide separately, have good result during insects such as control paddy rice, wheat, corn, cotton, vegetables, fruit tree, gardening.
6 kinds of organic phosphates all are middle low toxic pesticides, and desinsection wide spectrum, but the lasting period is short is big to people and animals, environmental influence.Long-term single use is easy to generate resistance.
9 kinds of pyrethroid all are middle low toxic pesticides, and quick-acting is good, are widely used in control cotton bollworm, pink bollworm, diamond-back moth, cabbage caterpillar, prodenia lituras such as cotton, vegetables, fruit tree, lepidopterous insects such as beet armyworm, tea geometrid.
7 kinds of nicotinoids are the novel pesticides of developing over past ten years that is with historically new significance, they are typical chronic never poisons, have interior suction, tag, effect such as food refusal, in the control of Homoptera insects such as aphid, plant hopper, aleyrodid, have crucial status.
Pyrazoles fluorine worm nitrile etc. has novel action mechanism, and is different with organic phosphates, carbamates, pyrethroid etc., is the transmission that suppresses neurotransmitter r-aminobutyric acid acceptor.The medicament that the present invention relates to has fluorine worm nitrile.They have high activity to pests such as Lepidoptera, coleopteras.Can effectively prevent and treat agricultural gardening pest insects such as paddy rice, cotton, vegetables, fruit tree, tea tree.
The pyrrole insecticides chlorfenapyr is effective to agricultural gardening pest insects such as Lepidoptera, Homoptera, coleopteron and mite classes.
5 kinds of neires toxin all are middle low toxic pesticides, have stomach toxicity, tag, interior suction, effect such as stifling, and the snout moth's larva of rice, vegetable-crop pest-insect etc. is had special efficacy.
8 kinds of biological species are efficient, low toxicity, to pest efficients such as agriculture and gardens.
More than 38 medicaments of 7 classes in research and development and using, unitary agent or mix preparation with practicality are provided.But, there is following problem in actual applications:
(1) repeatedly or continuously after the use insect is developed immunity to drugs.
(2) use of single medicament single dispenser when various pests takes place simultaneously, expenses for prevention and control
High.
(3) environmentally safe requirement needs people to select the medicament good with Environmental compatibility.
How addressing the above problem, effectively way is:
(1) because JS118 belongs to insect growth regulator, IGR---moulting hormone antagonist, difference is done
Resistant insect with mechanism is effective.
(2), use JS118 to reduce because the high security of JS118 is good with Environmental compatibility
Environmental risk.
(3) reasonably medicament is carried out co-toxicity research, adopt to be mixed or to take turns and way such as use effective
The ground suspension of pesticide resistance generation prolongs medicament service life;
(4) rationally using with of medicament can reach double purpose of controlling, saving the control cost.
Summary of the invention
The objective of the invention is to avoid above-mentioned weak point of the prior art and provide a kind of 1-of containing (2, the acyl group-2-of 7-dimethyl benzene-2,3 Dihydrobenzofuranes-6-) (3, the composition with insecticidal activity of acyl group-2-tertiary butyl hydrazine of 5-dimethyl-1-).
In order to determine to administer the scheme of lepidoptera pest, the present invention carries out co-toxicity research with JS118 and available insecticide to diamond-back moth (Plutella xylostella L.), the diamond-back moth that the present invention adopts has produced resistance to organic phosphor, pyrethroid medicament, therefore, medicaments such as JS118 and organic phosphor, pyrethroid, pyrazoles, pyroles, biological species not only have synergistic effect, and very effective as insecticide control resistance diamond-back moth.
In order to determine to administer the scheme of homoptera pest, the present invention carries out co-toxicity research with JS118 and nicotinic insecticide to black bean aphid (Aphis craccivora), consequently medicament such as JS118 and Imidacloprid has synergistic effect, and is very effective as insecticides.
In order to determine to administer the scheme of the snout moth's larva of rice, the present invention carries out co-toxicity research with JS118 and available insecticide to striped rice borer (Chilo suppressalis), the striped rice borer that the present invention adopts is a laboratory rearing, medicaments such as JS118 and organic phosphor, neires toxin, biological species not only have synergistic effect, and very effective as the insecticide control snout moth's larva.
Purpose of the present invention can reach by following measure:
A kind of composition with insecticidal activity, it is characterized in that with 1-(2 as active ingredient, 7-dimethyl benzene-2, (3, it is effective ingredient that the acyl group-2-tertiary butyl hydrazine of 5-dimethyl-1-) and one or more are selected from organic phosphates, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide to the acyl group-2-of 3 Dihydrobenzofuranes-6-); Wherein, 1-(2; 7-dimethyl benzene-2; acyl group-the 2-(3 of 3 Dihydrobenzofuranes-6-); the 5-dimethyl-1-) acyl group-2-tertiary butyl hydrazine is 1 weight portion, and the another kind of or multiple organic phosphates, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide of being selected from is the 0.1-50 weight portion.
Below the present invention is described in detail:
Research object as pest of the present invention comprises that diamond-back moth (Plutellaxylostella L.), striped rice borer (Chilo suppressalis), black bean aphid (Aphiscraccivora) are respectively the representative insects of Lepidoptera, Homoptera, has important economic implications aspect the insect comprehensive regulation of agriculture and garden crop.The composition that the present invention has an insecticidal activity is eaten into insects such as moth, lyonetid, tea geometrid, fleahopper, leafhopper, thrips, aphid, chrysomelid, aleyrodid to the cotton bollworm on the agriculture and garden crops such as cotton, vegetables, tea tree, fruit tree, gardening, flowers, pink bollworm, corn borer, beet armyworm, prodenia litura, diamond-back moth, tomato moth, imported cabbageworm, fall army worm, leaf roller, fruit effective.
The present invention has the active ingredient of the composition of insecticidal activity, and JS118 is the novel pesticide of Jiangsu Prov. Inst. of Agricultural Chemicals's independent development, has applied for Chinese patent.
Be suitable for one or more of other active ingredient of the present composition such as following compound:
Having other effective ingredient of Insecticidally-active composition as the present invention, is that one or more are selected from organic phosphates, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide.Organic phosphates is selected from chlorophos, Hostathion, phoxim, chlopyrifos, malathion, sulfur-phosphor; Pyrethroid is selected from permethrin, cypermethrin, alpha-cypermethrin, beta-cypermethrin, Cyhalothrin, Biphenthrin, decis, ether chrysanthemum ester; Nicotinoids is selected from Imidacloprid, Acetamiprid, thiophene worm piperazine, Nitenpyram, MTI-446, thiophene worm amine, thiophene worm quinoline; Pyrazoles is selected from fluorine worm nitrile, ethiprole, vaniliprole; Pyroles is selected from chlorfenapyr, and neires toxin is selected from desinsection list, dimehypo, cartap, thiocyclam, polythiane; Biological species is selected from Su Yun bacterium bacillus, Avermectin, methylamino avermectin salt, matrine, nicotine, multiple killing teichomycin, chinaberry element, nimbin.
Concrete common name and medicament classification are listed below, but are not limited in this.(1) chlorophos, common name: trichlorfon; Classification: organic phosphates (2) Hostathion, common name: triazophos; Classification: organic phosphates (3) phoxim, common name: phoxim; Classification: organic phosphates (4) chlopyrifos, common name: chlorpyrifos; Classification: organic phosphates (5) malathion, common name: malathion; Classification: organic phosphates (6) sulfur-phosphor, classification: organic phosphates (7) permethrin, common name: permethrin; Classification: pyrethroid (8) cypermethrin, common name: cypermethrin; Classification: pyrethroid (9) alpha-cypermethrin, common name: alphacyperthrin; Classification: pyrethroid (10) beta-cypermethrin, common name: beta-cypermethrin; Classification: pyrethroid
Class (11) Cyhalothrin, common name: clocythrin; Classification: pyrethroid (12) Biphenthrin, common name: cypermethrin; Classification: pyrethroid (1 3) decis, common name: delatmethrin; Classification: pyrethroid (14) ether chrysanthemum ester, common name: ethofenprox; Classification: pyrethroid (15) Imidacloprid, common name: Imidacloprid classification: nicotinoids (16) Acetamiprid, common name: acetamiprid, classification: nicotinoids (17) thiophene worm piperazine, common name: Thiamethoxam; Classification: nicotinoids (18) Nitenpyram, common name: nitenpyram; Classification: nicotinoids (19) MTI-446, common name: dinotefuran; Classification: nicotinoids (20) thiophene worm amine, common name: clothianidin; Classification: nicotinoids (21) thiophene worm quinoline, common name: Thacloprid; Classification: nicotinoids (22) fluorine worm nitrile, common name: Fipronil; Classification: pyrazoles (23) common name: ethiprole; Classification: pyrazoles (24) common name: vaniliprole; Classification: pyrazoles (25) chlorfenapyr, common name: chlorfenapyr classification: pyroles (26) desinsection list, classification: neires toxin (27) dimehypo, common name: dimthypo classification: neires toxin (28) cartap, common name: cartap; Classification: neires toxin (29) thiocyclam, common name: thiocyclam-hydrogeno-xalate; Classification: clam worm poison
Plain class (30) polythiane is classification: neires toxin (31) Su Yun bacterium bacillus, latin name: Bacullus thuringiensis; Classification: biological species (32) Avermectin, common name: Avermectin; Classification: biological species (33) methylamino avermectin salt, common name: Emamectin benzoate; Classification: biology
Class (34) matrine, classification: biological species (35) nicotine, common name: nicotine; Classification: biological species (36) multiple killing teichomycin, common name: Spinosad; Classification: biological species (37) chinaberry element, common name: Toosendarin; Classification: biological species (38) nimbin, common name: azadirachtin; Classification: biological species
The title of above-mentioned insecticide is to be recorded in " agricultural chemicals commodity complete works, China Business publishing house, 1999 ", external pesticide species benefit handbook, Liu Changling, pesticide industry information station, 2000 "
Among the present invention, the medicament and the JS118 of above-mentioned comprising (1)-(38) have synergistic effect.They all are compound known, and can easily buy from market.
When preparing the composition with insecticidal activity of the present invention, JS118, another kind are selected from organic phosphor, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide, appropriate carriers and additive, as mixing such as emulsifier, dispersant, stabilizing agent, bleeding agents, can make missible oil, microemulsion, colloidal suspending agent, wetting powder, water dispersion granule, granule etc. by common method.
Being adapted at the present invention, to have the carrier that uses in the composition of insecticidal activity can be any solid or the liquid-carrier that is generally used for the agriculture and garden medicament, as required, can use various surfactants, stabilizing agent and other auxiliary composition, in the preparation of commerce usefulness, composition of the present invention can also with the mixture of other active ingredient (for example various insecticides, miticide, bactericide, weed killer herbicide, plant growth regulator, synergist, fertilizer, aromatic), to expand its applicability.
The present invention has that JS118 with the ratio that one or more are selected from the composition with insecticidal activity of organic phosphor, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide is in the composition of insecticidal activity: 1: 0.1-50, be JS118 when being 1 weight portion, one or more weight portions that are selected from organic phosphor, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide are 0.1-50.
Composition for preventing and controlling diamond-back moth, striped rice borer, black bean aphid with insecticidal activity of the present invention is effective especially.
Advantageously, the composition that the present invention has insecticidal activity not only has synergistic effect to above-mentioned insect, but also can prevent and treat thorny insect on the important agricultural crops such as cotton, fruit tree, vegetables, tea tree, gardening simultaneously, eat into moth, lyonetid, tea geometrid, fleahopper, leafhopper, thrips, various aphid, chrysomelid, aleyrodid etc. as cotton bollworm, pink bollworm, corn borer, beet armyworm, prodenia litura, tomato moth, imported cabbageworm, fall army worm, leaf roller, fruit.
Though having the amount of application of the composition of insecticidal activity, the present invention needs to adjust according to the kind of essential condition such as population density, core crop and cropping pattern, weather condition, method of application etc., but generally speaking, the total amount of the composition with insecticidal activity that per hectare is used is 0.1-1000g, is 10-100g preferably.In practice, when the composition that has a pesticide and miticide actility as the present invention is wetting powder, missible oil, microemulsion, colloidal suspending agent, water-dispersible granule etc., can impose on the crop after the effective ingredient consumption dilution by correspondence.
Embodiment
The optimum state that carries out an invention: in the following embodiments, Pesticidal combination of the present invention is further described, but its active ingredient and proportioning thereof, auxiliary composition and addition thereof etc. all are not limited to following examples.In addition, all parts all by weight among the embodiment.
Embodiment 1
Example of formulations 1: missible oil
10 parts of JS118
15 parts of cypermethrins
15 parts of Tween 80s
N, 5 parts of dinethylformamides
55 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated insects such as vegetables diamond-back moth, beet armyworm, prodenia litura effectively.
Embodiment 2
Example of formulations 2: missible oil
10 parts of JS118
0.5 part of chlorfenapyr
0.5 part of Imidacloprid
15 parts of Tween 80s
N, 5 parts of dinethylformamides
69 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphids effectively.
Embodiment 3
Example of formulations 3: missible oil
1 part of JS118
30 parts of chlopyrifos
20 parts of Tween 80s
N, 5 parts of dinethylformamides
44 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated lepidoptera pest effectively, and especially the antagonism insect is effective.
Embodiment 4
Example of formulations 4: colloidal suspending agent
10 parts of JS118
1.0 parts of fluorine worm nitriles
10 parts of ethylene glycol
5 parts of neopelexes
0.5 part of xanthans
73.5 parts in water
The mixture of JS118, fluorine worm nitrile and the ethylene glycol of preparing in advance, neopelex, xanthans is fully mixed and dispersion in water, then this slurry is spared with the levigate mill of ball mill, obtain colloidal suspending agent.
This preparation possibility is prevented and treated pests such as lepidoptera pest effectively.Embodiment 5
Example of formulations 5: colloidal suspending agent
10 parts of JS118
5 parts of Cyhalothrins
15 parts of ethylene glycol
15 parts of neopelexes
1 part of xanthans
54 parts in water
The mixture of JS118, Cyhalothrin and the ethylene glycol of preparing in advance, neopelex, xanthans is fully mixed and dispersion in water, then this slurry is spared with the levigate mill of ball mill, obtain colloidal suspending agent.
This preparation possibility is prevented and treated pests such as lepidoptera pest effectively.
Embodiment 6
Example of formulations 6: wetting powder
10 parts of JS118
1 part of Imidacloprid
15 parts of sldium lauryl sulfates
10 parts of Lignosites
64 parts of kaolin
With the airbrasive machine mentioned component is mixed equably, get wetting powder.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphids effectively.
Embodiment 7
Example of formulations 7: wetting powder
10 parts of JS118
1.5 parts of methylamino avermectin salt
20 parts of sldium lauryl sulfates
15.5 parts of Lignosites
63 parts of kaolin
With the airbrasive machine mentioned component is mixed equably, get wetting powder.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphids effectively.
Then enumerating concrete experimental example has the composition of pesticide and miticide actility to the present invention application and feasibility describes.
Embodiment 8 (composition with insecticidal activity is killed the effect test that resists the pyrethroid diamond-back moth):
With resistance diamond-back moth (R-Plutella xylostella) 3 instar larvaes is tested object.This confession examination diamond-back moth is picked up from the Nanjing, Jiangsu, China vegetable field, and it has reached high anti-level to the resistance of pyrethroid and organophosphorus insecticides, and Jiangsu base, National Research and Development Center for Pesticides demarcates.
Adopt conventional biometric techniques, single agent such as soaking leaf dish feeding method test JS118 and chlopyrifos, beta-cypermethrin, fluorine worm nitrile, chlorfenapyr, Avermectin and the mixture virulence to diamond-back moth is adopted in this test, and estimate its synergistic effect with co-toxicity coefficient, instruct the comprehensive regulation of resistance diamond-back moth.The concrete operations main points are described below:
Soak leaf dish feeding method: win luxuriant dish blade from the greenhouse, luxuriant dish blade is broken into circular leaflet dish, avoid the main lobe arteries and veins at every turn when punching with the card punch of 2.5cm diameter, with the about 10s of blade immersion liquid in soup that accomplishes fluently, dry in the air after the taking-up on blotting paper, about 30min, blade surface will not put into the glass culture dish of 6cm diameter with the medicine blade after having liquid medicine, 5 in every ware, every processing connects 10 of worms, repeats the observation ward that puts into 25 ℃ of room temperatures 4 times, 5d checks the lethality of examination worm, calculates LC
50
Co-toxicity coefficient adopts the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are shown in table 1,2.
The virulence of table 1 reagent agent antagonism diamond-back moth
Reagent agent virulence LC
50(mgL
-1)
JS118 31.39
Chlopyrifos 406.66
Beta-cypermethrin 1219.08
Fluorine worm nitrile 3.02
Chlorfenapyr 1.11
Avermectin 0.01
Table 2 contains virulence and the co-toxicity coefficient evaluation of the composition antagonism diamond-back moth of JS118
Mixing rate virulence LC
50(mgL
-1) CTC
1∶10 62.78 310
The JS118+ chlopyrifos
1∶20 78.47 330
2∶1 115.72 546
The JS118+ beta-cypermethrin
4∶1 193.36 766
1∶1 3.15 175
JS118+ fluorine worm nitrile
3∶1 4.38 214
15∶1 5.03 231
The JS8+ chlorfenapyr
30∶1 8.26 202
10∶1 0.0179 466
JS118+ can tie up rhzomorph
50∶1 0.0233 842
As can be seen from Table 2, the co-toxicity coefficient CTC of each composition is all obviously greater than 100, and showing has remarkable synergistic effect.Use mixture of the present invention will produce favourable effect for area with resistance diamond-back moth.Employing has the activity combination of synergistic effect, is equipped with suitable formulation, can prevent and treat lepidopterous insects such as diamond-back moth effectively.Therefore, the composition of the present invention with insecticidal activity can be prevented and treated agricultural gardening pest insect etc. effectively.Embodiment 9 (composition with insecticidal activity is killed the effect test of striped rice borer):
With striped rice borer (Chilo suppressalis) 3 instar larvaes is tested object.
Adopt conventional biometric techniques, single agent such as soaking rice seedling feeding method test JS118 and Hostathion, fluorine worm nitrile, Avermectin, desinsection list and the mixture virulence to striped rice borer is adopted in this test, and estimate its synergistic effect with co-toxicity coefficient, instruct the comprehensive regulation of the snout moth's larva of rice.The concrete operations main points are described below:
Soak the rice seedling feeding method:
Rice seedling is cultivated and chosen: adopt the rice seedling of raising striped rice borer, height is about 100mm.
The soup preparation: dilute behind the former medicinal acetone solution, leaf temperature 80 aqueous solution with 0.05% are diluted to soup, and preparation directly dilutes with running water.
Chemicals treatment: rice seedling is flooded 3s in soup, taking-up places on the blotting paper, in the dactylethrae of packing into after drying naturally.
Connect worm: every treatment dosage connects 30 of worms.The medicine rice seedling dactylethrae of packing into will be arranged, insert larva in pipe, 10 of every pipes repeat 3 times.
Breeding observing and inspection as a result: preserve moisture and following illumination cultivation, check lethality in the time of the 7th day, calculate LC
50
Co-toxicity coefficient adopts the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are shown in table 1,2.
Table 1 reagent agent is to the virulence of striped rice borer
Reagent agent virulence LC
50(mgL
-1)
JS118 39.49
Hostathion 89.09
Fluorine worm nitrile 3.87
Desinsection list 500
Table 2 contains virulence and the co-toxicity coefficient evaluation of the composition of JS118 to striped rice borer
Mixing rate virulence LC
50(mgL
-1) CTC
1∶5 61.40 120
The JS118+ Hostathion
1∶10 53.31 150
3∶1 4.86 246
JS118+ fluorine worm nitrile
10∶1 7.49 287
1∶5 40.89 415
JS118+ desinsection list
1∶10 38.13 637
As can be seen from Table 2, the co-toxicity coefficient CTC of each composition is all obviously greater than 100, and showing has remarkable synergistic effect.Use mixture of the present invention will produce favourable effect for area with resistance diamond-back moth.Employing has the activity combination of synergistic effect, is equipped with suitable formulation, can prevent and treat lepidopterous insects such as striped rice borer effectively.Therefore, the composition of the present invention with insecticidal activity can be prevented and treated agricultural gardening pest insect etc. effectively.
Claims (8)
1, a kind of composition with insecticidal activity, it is characterized in that with 1-(2 as active ingredient, 7-dimethyl benzene-2, (3, it is effective ingredient that the acyl group-2-tertiary butyl hydrazine of 5-dimethyl-1-) and one or more are selected from organic phosphates, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide to the acyl group-2-of 3 Dihydrobenzofuranes-6-); Wherein, 1-(2; 7-dimethyl benzene-2; acyl group-the 2-(3 of 3 Dihydrobenzofuranes-6-); the 5-dimethyl-1-) acyl group-2-tertiary butyl hydrazine is 1 weight portion, and the another kind of or multiple organic phosphates, pyrethroid, nicotinoids, pyrazoles, pyroles, neires toxin, biological species insecticide of being selected from is the 0.1-50 weight portion.
2, the composition with insecticidal activity according to claim 1 is characterized in that organophosphorus insecticides is chlorophos or Hostathion or phoxim or chlopyrifos or malathion or sulfur-phosphor.
3, the composition with insecticidal activity according to claim 1 is characterized in that pyrethroid insecticides is permethrin or cypermethrin or alpha-cypermethrin or efficient chlorine cyanogen chrysanthemumic acid or Cyhalothrin or Biphenthrin or decis or ether chrysanthemum ester.
4, the composition with insecticidal activity according to claim 1 and 2 is characterized in that nicotinic insecticide is Imidacloprid or Acetamiprid or thiophene worm piperazine or thiophene worm quinoline or Nitenpyram or MTI-446 or thiophene worm amine.
5, the composition with insecticidal activity according to claim 1 is characterized in that Insecticidal pyrazolines is fluorine worm nitrile or ethiprole, or vaniliprole.
6, the composition with insecticidal activity according to claim 1 is characterized in that pyrrole insecticides is a chlorfenapyr.
7, the composition with insecticidal activity according to claim 1 is characterized in that sandworm toxin insecticide is desinsection list or dimehypo or cartap or thiocyclam or polythiane.
8, the composition with insecticidal activity according to claim 1 is characterized in that the biological species insecticide is Su Yun bacterium bacillus, Avermectin, methylamino avermectin salt, matrine, nicotine, many killing fungus (spinosad), chinaberry element (toosendarin) or nimbin (azadirachtin).
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| CNA031320376A CN1471822A (en) | 2003-07-15 | 2003-07-15 | Composition with insect killing activity |
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| CNA031320376A CN1471822A (en) | 2003-07-15 | 2003-07-15 | Composition with insect killing activity |
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| CN (1) | CN1471822A (en) |
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| CN102007909A (en) * | 2010-11-18 | 2011-04-13 | 北京燕化永乐农药有限公司 | Spinosad-containing pesticidal composition |
| CN102217630A (en) * | 2011-05-26 | 2011-10-19 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing furan tebufenozide and carbamate |
| CN102239859A (en) * | 2011-05-17 | 2011-11-16 | 陕西韦尔奇作物保护有限公司 | Insecticidal composite containing furan tebufenozide and antibiotic compound |
| CN102246762A (en) * | 2011-05-23 | 2011-11-23 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing furan tebufenozide and amide compounds |
| CN102326582A (en) * | 2011-06-01 | 2012-01-25 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing furan tebufenozide and organophosphorus compounds |
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| CN103688933A (en) * | 2011-05-17 | 2014-04-02 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing fufenozide and antibiotic compounds |
| CN104145972A (en) * | 2011-05-26 | 2014-11-19 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing fufenozide and carbamates |
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| CN102007909B (en) * | 2010-11-18 | 2013-03-13 | 北京燕化永乐农药有限公司 | Spinosad-containing pesticidal composition |
| CN102007909A (en) * | 2010-11-18 | 2011-04-13 | 北京燕化永乐农药有限公司 | Spinosad-containing pesticidal composition |
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| CN103314987A (en) * | 2012-03-19 | 2013-09-25 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing chromafenozide and pyrethroids |
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| CN103478135A (en) * | 2012-06-13 | 2014-01-01 | 陕西汤普森生物科技有限公司 | Insect disinfestation composition containing dicyclanil and diacylhydrazine |
| CN103478135B (en) * | 2012-06-13 | 2016-02-17 | 陕西汤普森生物科技有限公司 | A kind of Pesticidal combination containing CGA 183893 and bishydrazide |
| CN103651528A (en) * | 2013-12-10 | 2014-03-26 | 济南凯因生物科技有限公司 | Composition containing thiocyclam and application of composition |
| CN105248454A (en) * | 2015-11-17 | 2016-01-20 | 江苏省农药研究所股份有限公司 | Composite insecticide containing agritol and furan tebufenozide and application thereof |
| CN108450477A (en) * | 2018-05-15 | 2018-08-28 | 赖进九 | A kind of composition pesticide containing furan tebufenozide and chloramine phos |
| CN110999691A (en) * | 2019-12-09 | 2020-04-14 | 河北农业大学 | Poplar trunk image control method based on osmotic migration |
| CN115474603A (en) * | 2022-10-25 | 2022-12-16 | 广西壮族自治区农业科学院 | Insecticidal composition for preventing and treating bemisia tabaci in taro field |
| CN115474603B (en) * | 2022-10-25 | 2024-01-26 | 广西壮族自治区农业科学院 | Insecticidal composition for preventing and controlling bemisia tabaci in taro field |
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