CN103190424A - Insecticidal composition having synergism - Google Patents
Insecticidal composition having synergism Download PDFInfo
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- CN103190424A CN103190424A CN2012100222366A CN201210022236A CN103190424A CN 103190424 A CN103190424 A CN 103190424A CN 2012100222366 A CN2012100222366 A CN 2012100222366A CN 201210022236 A CN201210022236 A CN 201210022236A CN 103190424 A CN103190424 A CN 103190424A
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Abstract
The invention discloses an insecticidal composition having synergism. The insecticidal composition has active ingredients comprising diafenthiuron and any one of bishydrazide insect growth regulators such as tebufenozide, methoxyfenozide, halofenozide, fufenozide, chromafenozide and 1,2-dibenzoyl-1-tert-butylhydrazine. The insecticidal composition has obvious synergism, can be used for preventing and controlling insects of crops such as vegetables, and has obvious effects of preventing and controlling plutella xylostella.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, especially a kind of Pesticidal combination that contains butyl ether urea and bishydrazide insect growth regulator, IGR.
Background technology
Butyl ether urea (diafenthiuron) is a kind of novel Thiourea efficient pesticide-miticide, have tag, stomach toxicity, interior suction and fumigation action, can prevent and treat insect and evil mites such as aphid on various crop and the ornamental plants, aleyrodid, leafhopper.This medicament quick-acting is better, but lasting effect is relatively poor, and the control diamond-back moth needs higher dosage, and crop is caused poisoning easily.
The bishydrazide insecticide is by the insecticide of Rohm and Haas Company (US) Independenec Mall West, Philadelphia, Pennsy Lvania 1 in a class mechanism of action novelty of the eighties discovery in mid-term, its mainly act on be by as the moulting hormone antagonist or the simulation insect moulting hormone 20-hydroxyecdysone, cause that insect casts off a skin in advance, cause casting off a skin and to finish, insect can not continue to get food, and is dead after several days.But this insecticides quick-acting is poor, and insect is easy to generate pesticide resistance when using separately.
Lepidoptera pest such as diamond-back moth is caused harm greatly all the time, and is easy to generate resistance, and therefore need continually develop new medicament can effectively prevent and treat these insects.
Summary of the invention
The object of the present invention is to provide a kind of synergistic effect remarkable, control efficiency is good, the Pesticidal combination that drug cost is low, and said composition is in the application of agricultural control resistant insect.
Technical solution of the present invention is: a kind of Pesticidal combination, and its active ingredient is made up of A and B, and A is the butyl ether urea, and B is a kind of bishydrazide insect growth regulator, IGR; B is specially worm hydrazides, methoxyfenozide, furans worm hydrazides, chlorine worm hydrazides, ring worm hydrazides or presses down the food hydrazine; The weight ratio of A and B is 50: 1～1: 20.
Described worm hydrazides, methoxyfenozide, furans worm hydrazides, chlorine worm hydrazides, ring worm hydrazides and to press down the food hydrazine all are known pesticide active ingredients, and can buy from market.Wherein, furans worm hydrazides has introduction in disclosed Chinese patent CN1313276A, and its test code number is JS118; The test code number that presses down the food hydrazine is RH-5849.
As to a kind of improvement of the present invention, the more excellent weight ratio of A and B is 40: 1～1: 10, the weight ratio that is specially butyl ether urea and worm hydrazides is 40: 1～1: 5, the weight ratio of butyl ether urea and methoxyfenozide is 20: 1～1: 10, the weight ratio of butyl ether urea and furans worm hydrazides is 20: 1～1: 5, and the butyl ether urea is 20: 1～1: 5 with the weight ratio that presses down the food hydrazine.
The present composition can be according to crop, the environmental condition of living in of required control, prevent and treat various factorss such as method, control cost, active ingredient is processed into acceptable any one formulation in the agricultural chemicals application with auxiliary agent and carrier (filler), and preferred dosage form is suspending agent, oil-suspending agent, microemulsion, missible oil, micro-capsule suspension, wetting powder, aqueous emulsion and water dispersible granules etc.Adjuvant used, carrier and process technology all are known.
The present composition is compared with prior art, produces following beneficial effect:
1. synergistic effect is obvious, and experimental result shows: butyl ether urea and worm hydrazides, methoxyfenozide, furans worm hydrazides or press down food hydrazine etc. and composite back insect had a notable synergistic effect by a certain percentage;
2. the mechanism of action difference of two kinds of active ingredients in the composition, the application of composition can delay or overcome the pesticide resistance of insect;
3. the Pesticidal combination that has synergistic effect can reduce the field dosage, effectively reduces environmental pollution and residue of pesticide, reduces the harm to beneficial organism.
4. test shows that this combination can effectively reduce the use cost of A composition list agent, has improved the persistence of A composition, has also improved the quick-acting of B composition.
Embodiment
For making purpose of the present invention, technical scheme and technological merit clearer, be described further below in conjunction with the content of the present invention of embodiment.Specific embodiment only is used for explaining the present invention, and is not used in restriction the present invention.All any modifications of making within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is a kind of mode effectively and efficiently that exploitation at present and development novel pesticide and control agricultural go up resistant insect.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.But be specially which kind of effect, unpredictable, have only by a large amount of tests and could determine.
The inventor is by a large amount of screening tests, find butyl ether urea and worm hydrazides, methoxyfenozide, chlorine worm hydrazides, furans worm hydrazides, ring worm hydrazides or one of press down in the food hydrazine to make up the antagonism diamond-back moth and have obvious role in synergism, its effect is not only the simple addition of two kinds of medicaments, specifically is illustrated with following biologicall test example.
Biologicall test example: the composite joint toxicity measuring to diamond-back moth of butyl ether urea and bishydrazide insect growth regulator, IGR
For trying object: diamond-back moth (Plutella xylostella (L.).Pick up from beautiful rule food market, Shenzhen City, Guangdong Province, indoor Turnip Sprouts raised for two generations.
Test medicine: the former medicine of 97% butyl ether urea (Jiangsu Zhongqi Chemical Industry Co., Ltd), the former medicine of 97.6% methoxyfenozide (The Dow Agrosciences, LLC.), the former medicine of 95% worm hydrazides (Shanghai prestige enemy chemical industry Co., Ltd), 95% presses down the food former medicine of hydrazine (Shandong Bai Na bio tech ltd), the former medicine of 97% furans worm hydrazides (limited company of Jiangsu pesticide research institute).
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".Dry after will the dish leaf cleaning, dry standbyly 10 seconds of dipping in the soup for preparing, put into the 9cm culture dish that is lined with filter paper then, each culture dish a slice dish leaf, choose into about 20 the length of time unanimity diamondback moth larvae.Each is handled 4 times and repeats 72 hours " Invest, Then Investigate " results.It is standard that death standard touches polypide motionless with little writing brush.
The synergy mode is judged co-toxicity coefficient (CTC) method that adopts.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100
The percentage composition of B in percentage composition+B medicament ATI * mixture of A in theoretical toxicity index (TTI)=A medicament ATI * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Result of the test: the butyl ether urea the results are shown in Table 1～4 with worm hydrazides, methoxyfenozide, furans worm hydrazides, chlorine worm hydrazides, ring worm hydrazides, rh-5849 compound to the joint toxicity measuring of diamond-back moth respectively.
Table 1 butyl ether urea and worm hydrazides different proportion are composite to the diamond-back moth joint toxicity measuring
| Handle | LC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The butyl ether urea | 78.62 | 100.0 | ||
| The worm hydrazides | 96.54 | 81.4 | ||
| Butyl ether urea 50: worm hydrazides 1 | 45.12 | 174.2 | 99.6 | 174.9 |
| Butyl ether urea 40: worm hydrazides 1 | 35.31 | 222.7 | 99.5 | 223.7 |
| Butyl ether urea 20: worm hydrazides 1 | 28.63 | 274.6 | 99.1 | 277.1 |
| Butyl ether urea 10: worm hydrazides 1 | 40.47 | 194.3 | 98.3 | 197.6 |
| Butyl ether urea 5: worm hydrazides 1 | 36.58 | 214.9 | 96.9 | 221.8 |
| Butyl ether urea 1: worm hydrazides 1 | 34.29 | 229.3 | 90.7 | 252.7 |
| Butyl ether urea 1: worm hydrazides 5 | 33.78 | 232.7 | 84.5 | 275.3 |
| Butyl ether urea 1: worm hydrazides 10 | 75.54 | 104.1 | 83.1 | 125.2 |
| Butyl ether urea 1: worm hydrazides 20 | 79.61 | 98.8 | 82.3 | 120.0 |
The result of table 1 co-toxicity test shows, butyl ether urea and worm hydrazides composite in 50: 1～1: 20 ratio range to the co-toxicity coefficient CTC of diamond-back moth joint toxicity measuring all greater than 120, have synergistic effect.Especially in 40: 1～1: 5 ratio range, CTC is all greater than 180, and synergistic effect is remarkable.
Table 2 butyl ether urea and methoxyfenozide different proportion are composite to the diamond-back moth joint toxicity measuring
| Handle | LC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The butyl ether urea | 78.62 | 100.0 | ||
| Methoxyfenozide | 43.21 | 181.9 | ||
| Butyl ether urea 50: methoxyfenozide 1 | 61.12 | 128.6 | 101.6 | 126.6 |
| Butyl ether urea 40: methoxyfenozide 1 | 55.31 | 142.1 | 102.0 | 139.4 |
| Butyl ether urea 20: methoxyfenozide 1 | 38.63 | 203.5 | 103.9 | 195.9 |
| Butyl ether urea 10: methoxyfenozide 1 | 24.47 | 321.3 | 107.4 | 299.0 |
| Butyl ether urea 5: methoxyfenozide 1 | 36.14 | 217.5 | 113.7 | 191.4 |
| Butyl ether urea 1: methoxyfenozide 1 | 24.29 | 323.7 | 141.0 | 229.6 |
| Butyl ether urea 1: methoxyfenozide 5 | 19.78 | 397.5 | 168.3 | 236.2 |
| Butyl ether urea 1: methoxyfenozide 10 | 15.54 | 505.9 | 174.5 | 289.9 |
| Butyl ether urea 1: methoxyfenozide 20 | 36.61 | 214.8 | 178.0 | 120.6 |
The result of table 2 co-toxicity test shows, butyl ether urea and methoxyfenozide composite in 50: 1～1: 20 ratio range to the co-toxicity coefficient CTC of diamond-back moth joint toxicity measuring all greater than 120, have synergistic effect.Especially in 20: 1～1: 10 ratio range, CTC is all greater than 180, and synergistic effect is remarkable.
Table 3 butyl ether urea and furans worm hydrazides different proportion are composite to the diamond-back moth joint toxicity measuring
| Handle | LC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The butyl ether urea | 78.62 | 100.0 | ||
| Furans worm hydrazides | 55.68 | 141.2 | ||
| Butyl ether urea 50: furans worm hydrazides 1 | 58.47 | 134.5 | 100.8 | 133.4 |
| Butyl ether urea 40: furans worm hydrazides 1 | 48.63 | 161.7 | 101.0 | 160.1 |
| Butyl ether urea 20: furans worm hydrazides 1 | 38.12 | 206.2 | 102.0 | 202.3 |
| Butyl ether urea 10: furans worm hydrazides 1 | 21.98 | 357.7 | 103.7 | 344.8 |
| Butyl ether urea 5: furans worm hydrazides 1 | 26.58 | 295.8 | 106.9 | 276.8 |
| Butyl ether urea 1: furans worm hydrazides 1 | 34.29 | 229.3 | 120.6 | 190.1 |
| Butyl ether urea 1: furans worm hydrazides 5 | 23.44 | 335.4 | 134.3 | 249.7 |
| Butyl ether urea 1: furans worm hydrazides 10 | 35.54 | 221.2 | 137.5 | 160.9 |
| Butyl ether urea 1: furans worm hydrazides 20 | 46.61 | 168.7 | 139.2 | 121.1 |
The result of table 3 co-toxicity test shows, butyl ether urea and furans worm hydrazides composite in 50: 1～1: 20 ratio range to the co-toxicity coefficient CTC of diamond-back moth joint toxicity measuring all greater than 120, have synergistic effect.Especially in 20: 1～1: 5 ratio range, CTC is all greater than 180, and synergistic effect is remarkable.
Table 4 butyl ether urea and composite to the diamond-back moth joint toxicity measuring but eat the hydrazine different proportion
| Handle | LC 50(μg/mL) | ATI | TTI | Co-toxicity coefficient CTC |
| The butyl ether urea | 78.62 | 100.0 | ||
| Press down the food hydrazine | 118.42 | 66.4 | ||
| Butyl ether urea 50: press down food hydrazine 1 | 48.32 | 162.7 | 99.3 | 163.8 |
| Butyl ether urea 40: press down food hydrazine 1 | 45.11 | 174.3 | 99.2 | 175.7 |
| Butyl ether urea 20: press down food hydrazine 1 | 35.63 | 220.7 | 98.4 | 224.2 |
| Butyl ether urea 10: press down food hydrazine 1 | 28.99 | 271.2 | 96.9 | 279.7 |
| Butyl ether urea 5: press down food hydrazine 1 | 32.13 | 244.7 | 94.4 | 259.2 |
| Butyl ether urea 1: press down food hydrazine 1 | 48.31 | 162.7 | 83.2 | 195.6 |
| Butyl ether urea 1: press down food hydrazine 5 | 59.33 | 132.5 | 72.0 | 184.1 |
| Butyl ether urea 1: press down food hydrazine 10 | 71.34 | 110.2 | 69.4 | 158.7 |
| Butyl ether urea 1: press down food hydrazine 20 | 85.22 | 92.3 | 68.0 | 135.7 |
The result of table 4 co-toxicity test shows, butyl ether urea and rh-5849 compound in 50: 1～1: 20 ratio range to the co-toxicity coefficient CTC of diamond-back moth joint toxicity measuring all greater than 120, have synergistic effect.Especially in 20: 1～1: 5 ratio range, CTC is all greater than 180, and synergistic effect is remarkable.
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention further describes with following concrete experimental example, but the present invention is not limited only to these examples.If no special instructions, the ratio of below mentioning (comprising percentage) all is mass ratio.
Embodiment 1:40% butyl ether urea Tebufenozide suspending agent (butyl ether urea: worm hydrazides=1: 1)
Active component, dispersant, wetting agent and the water ratio in prescription is mixed, after high speed shear, obtain 40% butyl ether urea Tebufenozide suspending agent.
25% butyl ether urea suspending agent, 20% Tebufenozide suspending agent, 40% butyl ether urea Tebufenozide suspending agent are used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 71.33%, 61.62% and 80.87% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 74.61%, 77.42% and 98.27%, after the dispenser 15 days, preventive effect is respectively 51.52%, 63.24% and 85.76%, the synergistic effect of the composite back of butyl ether urea and worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 5 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 2:30% butyl ether urea furans worm hydrazides missible oil (butyl ether urea: furans worm hydrazides=5: 1)
To contain former medicine, emulsifier and the cosolvent etc. of active component, add mixing kettle successively by formula rate, stir, namely get 30% butyl ether urea furans worm hydrazides missible oil.
25% butyl ether urea missible oil, 10% furans Tebufenozide suspending agent, 30% butyl ether urea furans worm hydrazides missible oil are used for the control of cabbage mustard diamond-back moth.1 day control efficiency is respectively 73.58%, 63.12% and 89.99% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 85.68%, 75.67% and 97.88%, after the dispenser 15 days, preventive effect is respectively 53.52%, 65.41% and 87.36%, the synergistic effect of the composite back of butyl ether urea and furans worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 6 present embodiment is to the field control effect of cabbage mustard diamond-back moth
Embodiment 3:50% butyl ether urea methoxyfenozide water dispersible granules (butyl ether urea: methoxyfenozide=1: 1)
Active ingredient, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, be ground into wetting powder through air-flow, add a certain amount of water mixing extruding again and make material.Obtain 50% butyl ether urea methoxyfenozide water dispersible granules after the drying screening.
25% butyl ether urea suspending agent, 240g/L methoxyfenozide suspending agent, 50% butyl ether urea methoxyfenozide water dispersible granules are used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 68.66%, 56.51% and 88.86% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 82.61%, 78.55% and 92.16%, after the dispenser 15 days, preventive effect is respectively 68.34%, 74.19% and 87.65%, the synergistic effect of the composite back of butyl ether urea and methoxyfenozide is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 7 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 4:42% butyl ether urea presses down food hydrazine suspending agent (butyl ether urea: press down food hydrazine=20: 1)
Active component, dispersant, wetting agent and the water ratio in prescription is mixed, after high speed shear, obtain 42% butyl ether urea Tebufenozide suspending agent.
With 25% butyl ether urea suspending agent, 10% press down food hydrazine suspending agent, 42% butyl ether urea presses down food hydrazine suspending agent and is used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 72.55%, 51.24% and 89.65% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 86.21%, 75.67% and 97.14%, after the dispenser 15 days, preventive effect is respectively 62.54%, 66.45% and 87.22%, synergistic effect is obvious behind butyl ether urea and the rh-5849 compound, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 8 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 5:82% butyl ether urea worm hydrazides wetting powder (butyl ether urea: worm hydrazides=40: 1)
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, obtain 82% butyl ether urea worm hydrazides wetting powder.
25% butyl ether urea suspending agent, 20% Tebufenozide suspending agent, 82% butyl ether urea worm hydrazides wetting powder are used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 75.66%, 64.31% and 82.47% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 82.54%, 79.25% and 96.57%, after the dispenser 15 days, preventive effect is respectively 56.89%, 65.86% and 88.33%, the synergistic effect of the composite back of butyl ether urea and worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 9 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 6:42% butyl ether urea Tebufenozide suspending agent (butyl ether urea: worm hydrazides=1: 5)
Active component, dispersant, wetting agent and the water ratio in prescription is mixed, after high speed shear, obtain 40% butyl ether urea Tebufenozide suspending agent.
25% butyl ether urea suspending agent, 20% Tebufenozide suspending agent, 42% butyl ether urea Tebufenozide suspending agent are used for the control of kohlrabi diamond-back moth.1 day control efficiency is respectively 69.88%, 58.36% and 85.63% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 80.22%, 78.53% and 96.77%, after the dispenser 15 days, preventive effect is respectively 58.12%, 65.42% and 86.43%, the synergistic effect of the composite back of butyl ether urea and worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 10 present embodiment is to the field control effect of kohlrabi diamond-back moth
Embodiment 7:63% butyl ether urea methoxyfenozide water dispersible granules (butyl ether urea: methoxyfenozide=20: 1)
Active ingredient, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, be ground into wetting powder through air-flow, add a certain amount of water mixing extruding again and make material.Obtain 63% butyl ether urea methoxyfenozide water dispersible granules after the drying screening.
25% butyl ether urea suspending agent, 240g/L methoxyfenozide suspending agent, 63% butyl ether urea methoxyfenozide water dispersible granules are used for the control of cabbage mustard diamond-back moth.1 day control efficiency is respectively 64.93%, 70.25% and 84.58% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 78.63%, 84.23% and 97.65%, after the dispenser 15 days, preventive effect is respectively 65.44%, 74.19% and 86.73%, the synergistic effect of the composite back of butyl ether urea and methoxyfenozide is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 11 present embodiment is to the field control effect of cabbage mustard diamond-back moth
Embodiment 8:55% butyl ether urea methoxyfenozide wetting powder (butyl ether urea: methoxyfenozide=1: 10)
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, obtain 55% butyl ether urea methoxyfenozide wetting powder.
25% butyl ether urea suspending agent, 240g/L methoxyfenozide suspending agent, 55% butyl ether urea methoxyfenozide wetting powder are used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 65.12%, 70.25% and 84.38% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 78.11%, 81.54% and 97.84%, after the dispenser 15 days, preventive effect is respectively 66.74%, 72.94% and 87.23%, the synergistic effect of the composite back of butyl ether urea and methoxyfenozide is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 12 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 9:42% butyl ether urea furans Tebufenozide suspending agent (butyl ether urea: furans worm hydrazides=20: 1)
Active component, dispersant, wetting agent and the water ratio in prescription is mixed, after high speed shear, obtain 42% butyl ether urea furans Tebufenozide suspending agent.
25% butyl ether urea suspending agent, 10% furans Tebufenozide suspending agent, 42% butyl ether urea furans Tebufenozide suspending agent are used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 75.34%, 64.85% and 87.24% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 81.71%, 80.11% and 97.35%, after the dispenser 15 days, preventive effect is respectively 60.92%, 70.21% and 88.65%, the synergistic effect of the composite back of butyl ether urea and furans worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 13 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 10:18% butyl ether urea furans worm hydrazides aqueous emulsion (butyl ether urea: furans worm hydrazides=1: 5)
Former medicine, solvent, emulsifier etc. are fully mixed stirring and dissolving in proportion make oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into water, water is directly added in the oil phase, stir and make 18% butyl ether urea furans worm hydrazides aqueous emulsion.
25% butyl ether urea suspending agent, 10% furans Tebufenozide suspending agent, 18% butyl ether urea furans worm hydrazides aqueous emulsion are used for the control of cabbage mustard diamond-back moth.1 day control efficiency is respectively 68.36%, 57.96% and 87.52% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 82.31%, 78.42% and 94.56%, after the dispenser 15 days, preventive effect is respectively 68.32%, 70.14% and 88.41%, the synergistic effect of the composite back of butyl ether urea and furans worm hydrazides is obvious, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 14 present embodiment is to the field control effect of cabbage mustard diamond-back moth
Embodiment 11:48% butyl ether urea presses down food hydrazine suspending agent (butyl ether urea: press down food hydrazine=1: 5)
Active component, dispersant, wetting agent and the water ratio in prescription is mixed, after high speed shear, obtain 48% butyl ether urea and press down food hydrazine suspending agent.
With 25% butyl ether urea suspending agent, 10% press down food hydrazine suspending agent, 48% butyl ether urea presses down food hydrazine suspending agent and is used for the control of wild cabbage diamond-back moth.1 day control efficiency is respectively 69.86%, 63.23% and 85.41% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 76.55%, 72.11% and 95.46%, after the dispenser 15 days, preventive effect is respectively 58.33%, 65.47% and 84.32%, synergistic effect is obvious behind butyl ether urea and the rh-5849 compound, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 15 present embodiment is to the field control effect of wild cabbage diamond-back moth
Embodiment 12:20% butyl ether urea presses down food hydrazine aqueous emulsion (butyl ether urea: press down food hydrazine=1: 1)
Former medicine, solvent, emulsifier etc. are fully mixed stirring and dissolving in proportion make oil phase, under constantly stirring, antifreezing agent, water, thickener are fully stirred into water, water is directly added in the oil phase, stir and make 20% butyl ether urea but food hydrazine aqueous emulsion.
With 25% butyl ether urea suspending agent, 10% press down food hydrazine suspending agent, 20% butyl ether urea presses down food hydrazine aqueous emulsion and is used for the control of cabbage mustard diamond-back moth.1 day control efficiency is respectively 74.36%, 61.53% and 86.93% after the dispenser, after the dispenser 7 days, the preventive effect of each medicament is respectively 79.87%, 77.41% and 96.32%, after the dispenser 15 days, preventive effect is respectively 67.85%, 56.14% and 83.66%, synergistic effect is obvious behind butyl ether urea and the rh-5849 compound, to control efficiency, quick-acting and the lasting effect of diamond-back moth all significantly better than single agent.
Table 14 present embodiment is to the field control effect of cabbage mustard diamond-back moth
From butyl ether urea and the composite field efficacy to wild cabbage, kohlrabi and cabbage mustard diamond-back moth of bishydrazide compounds, composite have a synergistic effect, single relatively agent control efficiency obviously improves, and can reduce the field rotating medicine number of times of dosage simultaneously, delays pest resistance to insecticide and produces.Lasting period prolongs, and can reduce the medication number of times, reduces the control cost.
Claims (7)
1. a Pesticidal combination contains two kinds of active components of A, B, and component A is the butyl ether urea, and B component is the bishydrazide insect growth regulator, IGR, and the weight ratio of two kinds of active components is 50: 1～1: 20.
2. Pesticidal combination according to claim 1 is characterized in that: described bishydrazide insect growth regulator, IGR is worm hydrazides, methoxyfenozide, chlorine worm hydrazides, furans worm hydrazides, ring worm hydrazides or presses down the food hydrazine.
3. Pesticidal combination according to claim 2, it is characterized in that: described bishydrazide insect growth regulator, IGR is the worm hydrazides, the weight ratio of butyl ether urea and worm hydrazides is 40: 1～1: 5.
4. Pesticidal combination according to claim 2, it is characterized in that: described bishydrazide insect growth regulator, IGR is methoxyfenozide, the weight ratio of butyl ether urea and methoxyfenozide is 20: 1～1: 10.
5. Pesticidal combination according to claim 2, it is characterized in that: described bishydrazide insect growth regulator, IGR is furans worm hydrazides, the weight ratio of butyl ether urea and furans worm hydrazides is 20: 1～1: 5.
6. Pesticidal combination according to claim 2 is characterized in that: described bishydrazide insect growth regulator, IGR is for pressing down the food hydrazine, and the butyl ether urea is 20: 1～1: 5 with the weight ratio that presses down the food hydrazine.
7. the described Pesticidal combination of claim 1 to 6 is used for the purposes of control diamond-back moth.
Priority Applications (1)
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| CN2012100222366A CN103190424A (en) | 2012-01-09 | 2012-01-09 | Insecticidal composition having synergism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322523A (en) * | 2014-10-24 | 2015-02-04 | 青岛瀚生生物科技股份有限公司 | Chromafenozide and bistrifluron compound insecticide composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140016A (en) * | 1995-04-05 | 1997-01-15 | 希巴-盖吉股份公司 | Pesticidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140016A (en) * | 1995-04-05 | 1997-01-15 | 希巴-盖吉股份公司 | Pesticidal composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322523A (en) * | 2014-10-24 | 2015-02-04 | 青岛瀚生生物科技股份有限公司 | Chromafenozide and bistrifluron compound insecticide composition |
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