CN102792961B - Insecticidal composition and insecticidal pesticide - Google Patents
Insecticidal composition and insecticidal pesticide Download PDFInfo
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- CN102792961B CN102792961B CN201210309784.7A CN201210309784A CN102792961B CN 102792961 B CN102792961 B CN 102792961B CN 201210309784 A CN201210309784 A CN 201210309784A CN 102792961 B CN102792961 B CN 102792961B
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- diafenthiuron
- mti
- insecticidal
- pesticide
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- 239000000575 pesticide Substances 0.000 title claims abstract description 29
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 230000000749 insecticidal effect Effects 0.000 title abstract description 13
- WOWBFOBYOAGEEA-UHFFFAOYSA-N diafenthiuron Chemical compound CC(C)C1=C(NC(=S)NC(C)(C)C)C(C(C)C)=CC(OC=2C=CC=CC=2)=C1 WOWBFOBYOAGEEA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 241001124076 Aphididae Species 0.000 claims abstract description 16
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 7
- 241001414720 Cicadellidae Species 0.000 claims abstract description 5
- 239000000839 emulsion Substances 0.000 claims abstract description 5
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 5
- 230000002147 killing effect Effects 0.000 claims abstract description 4
- 239000000375 suspending agent Substances 0.000 claims abstract description 4
- 239000002917 insecticide Substances 0.000 claims description 21
- 239000004480 active ingredient Substances 0.000 claims description 11
- 230000000361 pesticidal effect Effects 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 239000003905 agrochemical Substances 0.000 claims description 8
- 238000009736 wetting Methods 0.000 claims description 6
- 241001498622 Cixius wagneri Species 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 3
- 241000607479 Yersinia pestis Species 0.000 abstract description 2
- 206010059866 Drug resistance Diseases 0.000 abstract 1
- 241001466042 Fulgoromorpha Species 0.000 abstract 1
- 241000258937 Hemiptera Species 0.000 abstract 1
- YKBZOVFACRVRJN-UHFFFAOYSA-N dinotefuran Chemical compound [O-][N+](=O)\N=C(/NC)NCC1CCOC1 YKBZOVFACRVRJN-UHFFFAOYSA-N 0.000 abstract 1
- 244000144972 livestock Species 0.000 abstract 1
- 239000004563 wettable powder Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 20
- 239000007788 liquid Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000003814 drug Substances 0.000 description 16
- 238000002360 preparation method Methods 0.000 description 15
- 230000003449 preventive effect Effects 0.000 description 14
- 230000000295 complement effect Effects 0.000 description 9
- 241000675108 Citrus tangerina Species 0.000 description 8
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 8
- 239000012752 auxiliary agent Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 241000018137 Trialeurodes vaporariorum Species 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 240000008067 Cucumis sativus Species 0.000 description 5
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- -1 anabasine compound Chemical class 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241001425390 Aphis fabae Species 0.000 description 2
- NZRBVZBQFDNAOD-UHFFFAOYSA-N C(C1=CC=CC=C1)(=O)O.C(CCCCCCCCCCC)[Na] Chemical compound C(C1=CC=CC=C1)(=O)O.C(CCCCCCCCCCC)[Na] NZRBVZBQFDNAOD-UHFFFAOYSA-N 0.000 description 2
- 240000002319 Citrus sinensis Species 0.000 description 2
- 235000005976 Citrus sinensis Nutrition 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- GVRNEIKWGDQKPS-UHFFFAOYSA-N nonyl benzenesulfonate Chemical class CCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVRNEIKWGDQKPS-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 231100000820 toxicity test Toxicity 0.000 description 2
- LDMOEFOXLIZJOW-UHFFFAOYSA-N 1-dodecanesulfonic acid Chemical compound CCCCCCCCCCCCS(O)(=O)=O LDMOEFOXLIZJOW-UHFFFAOYSA-N 0.000 description 1
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 description 1
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 1
- FMAHGZOYSSSCHZ-UHFFFAOYSA-N C=O.C1(=CC=CC2=CC=CC=C12)S(=O)(=O)OCCCCCCCCCCCC Chemical compound C=O.C1(=CC=CC2=CC=CC=C12)S(=O)(=O)OCCCCCCCCCCCC FMAHGZOYSSSCHZ-UHFFFAOYSA-N 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 description 1
- 241000207199 Citrus Species 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 241000256259 Noctuidae Species 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- 241000238814 Orthoptera Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000907661 Pieris rapae Species 0.000 description 1
- 241000500437 Plutella xylostella Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 230000000895 acaricidal effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229930014345 anabasine Natural products 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
An insecticidal composition and an insecticidal pesticide. The insecticidal composition is composed of dinotefuran and diafenthiuron in a weight ratio of 80: 1-1: 80, preferably in a weight ratio of 40: 1-1: 40. The composition is used as an effective component, can be combined with auxiliary components acceptable in pesticides to form insecticidal pesticides including wettable powder, suspending agents, microemulsions, aqueous emulsions or water dispersible granules, has high killing activity on piercing-sucking pests such as aphids, plant hoppers, leafhoppers and whiteflies, has a synergistic effect, is safe to people and livestock, and can achieve the purposes of delaying drug resistance, reducing cost and expanding insecticidal spectrum.
Description
Technical field
The present invention relates to a kind of Pesticidal combination and insecticide pesticide of composite form, is specifically a kind of Pesticidal combination and corresponding insecticide pesticide of being active component by MTI-446 and diafenthiuron, and uses thereof.
Background technology
MTI-446, chemical name is 1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, structure is suc as formula shown in (I).It is an anabasine compound with spectrum insecticidal activity, can be widely used in the various insects such as the various Semipteras of control, Lepidoptera, coleoptera, diptera, orthoptera, Hymenoptera, and there is excellent interior suction osmosis, and machine has shown very high insecticidal activity under very low dosage.This medicament is to mammal, birds and aquatile safety, to crop without poisoning.
Diafenthiuron, chemical name is 1-tertiary butyl-3-(2,6-diisopropyl-4-Phenoxyphenyl) thiocarbamide (II), it is a kind of novel compound with selectivity desinsection, acaricidal activity, there is interior suction and fumigation action, can control the sensitive strains such as aphid and the aphid to carbamate, organic phosphor and pyrethroid generation resistance, cicadellid and coconut palm aleyrodid etc., be widely used on cotton, fruit, vegetables and tealeaves, can also control diamond-back moth, imported cabbageworm and noctuid and cause harm.This medicine can be mixed with bactericide with most of insecticides tested.
The insecticide (compound) that used on the market at present, owing to using continuously for many years, has produced pesticide resistance in various degree, is badly in need of being solved.
（Ⅰ） （Ⅱ）
Summary of the invention
For above-mentioned situation, the invention provides a kind of Pesticidal combination and corresponding insecticide pesticide of composite form, result of the test shows, can be satisfied with and address the above problem.
Pesticidal combination of the present invention, take part by weight by MTI-446 and diafenthiuron and forms as 80:1 ~ 1:80.The further preferred weight proportion of composing of this two composition is 40:1 ~ 1:40.The optimum weight ratio of MTI-446 and diafenthiuron is 1:20.
Take above-mentioned Pesticidal combination as active ingredient, with the auxiliary element such as acceptable solvent, filler, auxiliary agent in current agricultural chemicals, according to the conventional preparation method of current agricultural chemicals and production technology, can jointly form corresponding insecticide pesticide.Wherein, the preferred formulations of pesticide comprise any in wetting powder, suspending agent, microemulsion, aqueous emulsion or water dispersible granules.
Result of the test shows, the Pesticidal combination that the present invention is above-mentioned and corresponding insecticide pesticide, for sucking pests such as comprising aphid, plant hopper, leafhopper, aleyrodid, there is the higher activity of killing, and after these two kinds of active components are composite, can produce significant synergistic effect, to person poultry safety, can reach and delay pesticide resistance, reduce costs, expand the object of insecticidal spectrum.
Embodiment is by the following examples described in further detail foregoing of the present invention again.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following example.Without departing from the idea case in the present invention described above, various replacements or the change according to ordinary skill knowledge and customary means, made, all should comprise within the scope of the invention.
Embodiment
embodiment 1: Wettable pesticide powder
Form (w%, below herewith): MTI-446 80,
Diafenthiuron 1,
Dodecyl Sodium Benzoate 5,
APEO formaldehyde condensation products 4,
Kaolin complementary.
Preparation: by above-mentioned formula, active ingredient MTI-446, diafenthiuron and auxiliary agent, filler are mixed, again through air-flow crushing, mix after mechanical disintegration, can be made into wetting powder insecticide pesticide.
embodiment 2: Wettable pesticide powder
Form: MTI-446 1,
Diafenthiuron 80,
Dodecyl Sodium Benzoate 5,
Dodecane sulfonate 4,
Kaolin complementary.
Preparation: by above-mentioned formula, active ingredient MTI-446, diafenthiuron and auxiliary agent, filler are mixed, again through air-flow crushing, mix after mechanical disintegration, can be made into wetting powder insecticide pesticide.
embodiment 3: suspension pesticide
Form: MTI-446 1,
Diafenthiuron 40,
Fatty alcohol-polyoxyethylene ether 3.5,
Si Pan-80 4.5,
Glycerine 5,
Xanthans 0.25,
Water complementary.
Preparation:: by above-mentioned formula, active ingredient MTI-446, diafenthiuron, auxiliary agent, water are mixed, through high speed shear, mix, by sand mill sand milling 2-3 hour, make its average grain diameter below 5 microns, can be made into suspending agent preparation as insecticiding agricultural chemicals.
embodiment 4: Wettable pesticide powder
Form: MTI-446 40,
Diafenthiuron 1,
Sulfomethylated lignin acid amide 6,
APEO formaldehyde condensation products 4,
White carbon 5,
Kaolin complementary.
Preparation: by above-mentioned formula, active ingredient MTI-446, diafenthiuron and auxiliary agent, filler are mixed, again through air-flow crushing, mix after mechanical disintegration, can be made into wetting powder insecticide pesticide.
embodiment 5: water emulsion pesticide
Form: MTI-446 4,
Diafenthiuron 20,
C9 aromatic 6,
Nonylbenzene sulfonates 4,
Polyoxyethylene fatty acid ester 3,
Polyvinyl alcohol 5,
Water complementary.
Preparation: active ingredient diafenthiuron and C9 aromatic, surfactant mixed dissolution are mixed with to oil phase by above-mentioned formula, MTI-446 and polyvinyl alcohol, water mixed dissolution are mixed with water, pour oil phase into water and mix after high shear dispersion machine is sheared 30min, can be made into aqueous emulsion insecticide pesticide.
embodiment 6: micro-emulsion insecticide
Form: MTI-446 1,
Diafenthiuron 20,
Isopropyl alcohol 8,
Cyclohexanone 15,
Nonylbenzene sulfonates 6,
Phenethyl phenol polyethenoxy ether 12,
Ethylene glycol 6,
Water complementary.
Preparation: active ingredient diafenthiuron and isopropyl alcohol, cyclohexanone, surfactant mixed dissolution are mixed with to oil phase by above-mentioned formula, MTI-446 and ethylene glycol, water mixed dissolution are mixed with water, pour oil phase into water and stir, can be made into microemulsion insecticidal agricultural chemicals.
embodiment 7: Wettable pesticide powder
Form: MTI-446 20,
Diafenthiuron 4,
Dodecyl naphthalenesulfonate formaldehyde condensation compound 4,
Nonyl pheno base ether sulfonate 2,
White carbon 5,
Precipitated calcium carbonate complementary.
Preparation: by above-mentioned formula, active ingredient MTI-446, diafenthiuron and auxiliary agent, filler are mixed, again through air-flow crushing, mix after mechanical disintegration, can be made into wetting powder insecticide pesticide.
embodiment 8: pesticide water dispersible granule
Form: MTI-446 25,
Diafenthiuron 1,
Dodecyl sodium sulfate 5,
Lauryl sodium sulfate 6,
Calcium chloride 3,
Kaolin complementary.
Preparation: by above-mentioned formula, active ingredient MTI-446, diafenthiuron and auxiliary agent, filler are mixed, again through air-flow crushing, mix by granulation and dry after mechanical disintegration, can be made into water dispersible granules insecticide pesticide.
embodiment 9: micro-emulsion insecticide
Form: MTI-446 10,
Diafenthiuron 10,
Carrene 6,
Cyclohexanone 12,
Lauryl sulfate 7,
Polyoxyethylene nonylphenol ether 14,
Glycerine 5,
Water complementary.
Preparation: active ingredient diafenthiuron and carrene, cyclohexanone, surfactant mixed dissolution are mixed with to oil phase by above-mentioned formula, MTI-446 and glycerine, water mixed dissolution are mixed with water, pour oil phase into water and stir, can be made into microemulsion insecticidal agricultural chemicals.
Following result of the test has shown the insecticidal effect that composition that the present invention is above-mentioned and corresponding agricultural chemicals can have Synergistic.
test 1: MTI-446 and the diafenthiuron toxicity test to bean aphid that is mixed
For trying target: 3 age in days bean aphids
Supply reagent thing: the composition that MTI-446 and diafenthiuron form with Different Weight ratio
Test method:
According to the result of preliminary experiment, appropriate A, B are made into designed proportioning, then it is stand-by with acetone, each processing to be diluted to respectively to 5 series concentration gradients.
With capillary dropper, process, drop 0.05 μ L liquid, in chest backboard, is first processed blank, then presses test dose order from low to high and repeats aforesaid operations, and every processing repeats for 4 times, 60 aphids of every repetition.
Data statistics and analysis:
24h investigation examination worm death condition after processing, and according to survey data, calculate the corrected mortality that each is processed.And with reference to NY/T1154.7-2006, adopting the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture, result is as shown in table 1.
Table 1 toxicity test result of the test and analysis
| Title | Proportioning (w) | Virulence regression equation | Correlation coefficient | LC50（mg/L） | Co-toxicity coefficient (CTC) |
| MTI-446 (A) | — | Y=1.3874x+4.6215 | 0.9964 | 1.8743 | — |
| Diafenthiuron (B) | — | Y=1.5979x+3.5055 | 0.9969 | 8.6159 | — |
| A :B | 1:1 | Y=1.5335x+4.445 | 0.9767 | 2.301 | 133.80 |
| A :B | 1:10 | Y=1.5119x+4.0208 | 0.988 | 4.4425 | 146.16 |
| A :B | 1:20 | Y=1.8034x+3.9394 | 0.9957 | 3.8738 | 189.89 |
| A :B | 1:40 | Y=1.7424x+3.9 | 0.9782 | 4.2787 | 185.13 |
| A :B | 1:80 | Y=1.6497x+3.9419 | 0.9713 | 4.3791 | 188.37 |
| A :B | 80:1 | Y=1.5026x+4.8259 | 0.9763 | 1.3059 | 144.93 |
| A :B | 40:1 | Y=1.4734x+4.7823 | 0.9729 | 1.4053 | 135.97 |
| A :B | 10:1 | Y=1.4128x+4.7461 | 0.9535 | 1.5126 | 133.40 |
| A :B | 2:1 | Y=0.951x+4.8248 | 0.9614 | 1.5284 | 165.89 |
The demonstration of table 1 result, MTI-446 is mixed with different proportionings from diafenthiuron, and its co-toxicity coefficient is all greater than 120, shows synergistic effect.What wherein, synergistic effect was best is MTI-446
:diafenthiuron is 1:20, and co-toxicity coefficient is 189.89.The agricultural chemicals of preparing with the composition of the mixed ratio of this 1:20 carries out further field control effectiveness test, to evaluate its field practical application effect.
test 2: MTI-446 and diafenthiuron mixed insecticide preparation field control oranges and tangerines aphid
Test site: kwan-yin alive village, Nong Ke district, Mianyang, Sichuan city citrus orchard
Experimental field and weather condition: be experimental field selected in oranges and tangerines aphid and serious sweet orange garden occurs carry out.Test after 1-7 days fine, the duration of test maximum air temperature is 30 ℃, 20 ℃ of the minimum air temperatures, without rainfall.
Subjects: oranges and tangerines aphid
Trial crops: sweet orange
Reagent agent: 21% MTI-446 diafenthiuron SC(1:20): 1000,2000 times of liquid
50% diafenthiuron SC:2000 times liquid
10% MTI-446 SC:3000 times liquid
Blank
Community arranges: fixed 4 trees in every community, repeat Gong20Ge community four times, and protection row is established in minizone.The conditions such as ，Ge community seeds, the age of tree, growing way and water and fertilizer management are arranged in community by random district group basically identical.
Spraying time and method: in oranges and tangerines aphid occurrence in peak period dispenser (5.10 days) once.
Control time and method: 2 strains are investigated in every community, every strain is by fixing 5 killed tips in east, south, west, north, and every tip is investigated the aphid number alive of top tip 5-10 sheet leaf.Before medicine, investigation radix, carries out preventive effect investigation for after medicine 1,3,7 day.Result is as shown in table 2.
Table 2 field control oranges and tangerines aphid result of the test
| Treatment agent | Working concentration | Average population radix | 1 day preventive effect (%) after medicine | 3 days preventive effects (%) after medicine | 7 days preventive effects (%) after medicine |
| 21% MTI-446 diafenthiuron SC | 1000 times of liquid | 432 | 89.98 a | 94.42 a | 95.37 a |
| 21% MTI-446 diafenthiuron SC | 2000 times of liquid | 381 | 86.09 b | 91.69 b | 93.15 b |
| 50% diafenthiuron SC | 2000 times of liquid | 457 | 83.57 b | 88.85 c | 89.95 c |
| 10% MTI-446 SC | 3000 times of liquid | 429.75 | 84.32 b | 88.95 c | 90.18 c |
| Clear water contrast | — | 464.75 | — | — | — |
Note: " a, b, c " is illustrated in and in file, makes Duncan/s multiple range test, same letter is illustrated in P=0.05 level without significant difference, has the significant difference of P=0.05 level between a, b, c letter representation successive.
The demonstration of table 2 result, MTI-446 composite with diafenthiuron (1:20) is better than contrasting medicament to the control efficiency of oranges and tangerines aphid.The preventive effect that 1000 times of liquid of complex preparation are respectively 89.98%, 94.42%, 95.37%, 2000 times of liquid to the preventive effect of oranges and tangerines aphid in 1,3,7 day after medicine is 86.09%, 91.69%, 93.15%, along with concentration increases preventive effect, raises.According to experimental observation, do not find that reagent agent produces poisoning to trial crops.
test 3: MTI-446 and diafenthiuron mixed insecticide preparation field control trialeurodes vaporariorum
Test site: cucumber base, kwan-yin village alive, Nong Ke district, Mianyang, Sichuan city
Experimental field and weather condition: be experimental field selected in the cucumber booth that trialeurodes vaporariorum just occurs and carry out.Test after 1-7 days fine, the duration of test maximum air temperature is 30 ℃, 22 ℃ of the minimum air temperatures, without rainfall.
Subjects: Trialeurodes vaporariorum Westwood
Trial crops: cucumber
Reagent agent: 21% MTI-446 diafenthiuron SC(1:20): 1000,2000 times of liquid,
50% diafenthiuron SC:2000 times liquid
10% MTI-446 SC:3000 times liquid
Blank
Community arranges: the fixed 25 strain cucumber in every community, repeat Gong20Ge community four times, and protection row is established in minizone.The conditions such as ，Ge community cucumber growing way and water and fertilizer management are arranged in community by random district group basically identical.
Spraying time and method: in Trialeurodes vaporariorum Westwood initial phase dispenser (5.21 days) once.
Control time and method: 15 strains are investigated in every community.Before medicine, investigation radix, carries out preventive effect investigation for after medicine 1,3,7 day.Result of the test is as shown in table 3.
Table 3 field control trialeurodes vaporariorum result of the test
| Treatment agent | Working concentration | Average population radix | 1 day preventive effect (%) after medicine | 3 days preventive effects (%) after medicine | 7 days preventive effects (%) after medicine |
| 21% MTI-446 diafenthiuron SC | 1000 times of liquid | 273.25 | 85.85 a | 91.09 a | 94.28 a |
| 21% MTI-446 diafenthiuron SC | 2000 times of liquid | 294 | 82.36 ab | 87.15 ab | 91.9 ab |
| 50% diafenthiuron SC | 2000 times of liquid | 250.75 | 78.94 b | 82.92 b | 87.24 bc |
| 10% MTI-446 SC | 3000 times of liquid | 313.75 | 80.46 b | 86.62 b | 89.32 c |
| Clear water contrast | — | 294.75 | — | — | — |
Note: " a, b, c " is illustrated in and in file, makes Duncan/s multiple range test, same letter is illustrated in P=0.05 level without significant difference, has the significant difference of P=0.05 level between a, b, c letter representation successive.
The demonstration of table 3 result, MTI-446 composite with diafenthiuron (1:20) is better than contrasting medicament to the control efficiency of Trialeurodes vaporariorum Westwood.The preventive effect that 1000 times of liquid of complex preparation are respectively 85.85%, 91.09%, 94.28%, 2000 times of liquid to the preventive effect of oranges and tangerines aphid in 1,3,7 day after medicine is 82.36%, 87.15%, 91.9%, along with concentration increases preventive effect, raises.According to experimental observation, do not find that reagent agent produces poisoning to trial crops.
Claims (7)
1. Pesticidal combination, is characterized in that by MTI-446 and diafenthiuron, take part by weight forms as 80:1 ~ 1:80.
2. Pesticidal combination as claimed in claim 1, the part by weight that it is characterized in that MTI-446 and diafenthiuron is 40:1 ~ 1:40.
3. Pesticidal combination as claimed in claim 2, the part by weight that it is characterized in that MTI-446 and diafenthiuron is 1:20.
4. insecticide pesticide, is characterized in that take that the Pesticidal combination of one of claims 1 to 3 is active ingredient, jointly forms with acceptable auxiliary element in agricultural chemicals.
5. insecticide pesticide as claimed in claim 4, is characterized in that formulation is any in wetting powder, suspending agent, microemulsion, aqueous emulsion or water dispersible granules.
6. the composition of one of claims 1 to 3 is in the purposes of killing aspect aphid, plant hopper, leafhopper, aleyrodid.
7. claim 4 or 5 insecticide pesticide are in the purposes of killing aspect aphid, plant hopper, leafhopper, aleyrodid.
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