CN103918706B - Pesticidal combination containing Buprofezin and gamma cyhalothrin and application thereof - Google Patents
Pesticidal combination containing Buprofezin and gamma cyhalothrin and application thereof Download PDFInfo
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- CN103918706B CN103918706B CN201410118305.2A CN201410118305A CN103918706B CN 103918706 B CN103918706 B CN 103918706B CN 201410118305 A CN201410118305 A CN 201410118305A CN 103918706 B CN103918706 B CN 103918706B
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Abstract
The present invention relates to the application of Pesticidal combination in control wooly aphis containing Buprofezin and gamma cyhalothrin.Described Pesticidal combination comprises the composition of following parts by weight: Buprofezin 10.0 ~ 50.0 parts and gamma cyhalothrin 1.0 ~ 5.0 parts.The Pesticidal combination containing Buprofezin and gamma cyhalothrin provided by the invention, combines the two and can give full play to respective advantage, can be used for preventing and treating wooly aphis; And the combination of two kinds of active ingredients has significant synergies, can reach and strengthen control efficiency and delay drug-fast effect, quick-acting and lasting effect are all better, are better than prior art.And can pesticide dosage be reduced, reduce costs, alleviate the pressure to environment.
Description
Technical field
The present invention relates to pesticide field, particularly, relate to the application of Pesticidal combination in control wooly aphis containing Buprofezin and gamma cyhalothrin.
Background technology
Wooly aphis EriosomalanigeruHausmann is under the jurisdiction of Homoptera, goiter sponge Aphididae, it is worldwide quarantine pest insect, that the People's Republic of China (PRC) enters the territory one of important quarantine pest insect of relating in plant quarantine potential danger venereal disease, worm, weed species (trying), originate in eastern North America, be found in the U.S. the earliest, after import Europe, Australia into, with the country such as Japan, Korea, India in Asia, continent, the world six, about 70 countries and regions, China's part province occurs, and is the biological invasion kind bringing serious harm to China's agricultural production.
The breeding of this worm is fast, latency is strong, be clustered in the young sprout of host, side shoot, trunk, root and cut the positions such as huge mouth and draw juice, weaken tree vigo(u)r, the apple underproduction 4.1% ~ 38.8% can be caused, cause whole tree withered time serious, be the important pests of production of fruit trees, now become the important restriction factor affecting China's fruit quality raising and apple industry.Because this worm occurs hidden, the cotton-shaped waxy substance of this upper covering one deck white cotton of worm, cause very large difficulty to its control, for controlling causing harm of this class pest, chemical pesticide is still important means of prevention.Thus, the screening of high-efficiency low-toxicity chemical pesticide and composite use thereof are the keys of this worm study on prevention always.
Because woolly aphid fertility is strong, each worm state is all covered with wax wool, and how to cause harm at easy hiding place again, medicament is difficult to contact polypide, than other homoptera pests as more difficult controls such as Bemisia tabaci, wheat aphid, cotten aphids.Frequently use pesticide control wooly aphis for many years, wooly aphis is caused to develop rapidly multiple the drug-fast of conventional medicament, the medicaments such as such as chlopyrifos, gamma cyhalothrin, Imidacloprid, Diacloden, Buprofezin, Avermectin control efficiency in production declines, and loss is serious.
Buprofezin (buprofezin), chemical name is: 2-tertiary butyl imino group-3-isopropyl-5-phenyl-3,4,5,6-tetrahydrochysene-2H-1,3,5-thiadiazine-4-ketone.This medicament is a kind of new selective insecticide suppressing insect growth to be grown, and action of contace poison is strong, also has stomach poison function.Mechanism of action suppresses insect chitin synthesis and dryly scratches new metabolism, causes nymph to cast off a skin deformity or wing deformity and slowly dead.This medicament lasting period is long, the longlyest reaches more than 30 days, and selectivity is high, to natural enemies security.But phase quick-acting is slightly poor.
Gamma cyhalothrin (λ-cyhalothrin), chemical name is: 3-(2-chloro-3,3,3-trifluoro-propenyl)-2,2-dimethyl cyclopropane carboxylic acid alpha-cyano-3-phenoxybenzyl ester, be a kind of high-efficiency low-toxicity pyrethroid insecticides, without interior absorption, have and tag and stomach poison function.Compared with other pyrethroid insecticides, add 3 fluorine atoms, make that its insecticidal spectrum is wider, activity is higher, medicine is handed over more rapid, and has strong osmosis, enhances rain fastness, extends the lasting period.But it has the shortcoming of chrysanthemum ester insecticide equally, is namely used alone for a long time, easily develops immunity to drugs.
Therefore, current researcher is devoted to study a kind of Pesticidal composition, can not only improve drug effect, reduce costs, and can avoid and delay pesticide resistance generation.And Buprofezin and gamma cyhalothrin are cooperated use, do not find disclosed prior art patent and the formulations of pesticide at present, do not find the purposes of preventing and treating wooly aphis aspect specially.
Prior art not yet finds that the confection registration directly Buprofezin and gamma cyhalothrin being joined together to use uses, and does not more use for the confection registration of wooly aphis.
Pesticidal composition containing Buprofezin and gamma cyhalothrin of the present invention is being prevented and treated in wooly aphis, has the following advantages:
1, Buprofezin is different with the mechanism of action of gamma cyhalothrin to insect, and between the two composite has very high synergistic effect, is therefore a kind of desirable insecticide binary combination.
2, reach mutual supplement with each other's advantages, improve drug effect, reduce costs, the effect of delaying drug resistance, minimizing chemical pesticide consumption, and then reduce the risk of environmental pollution.
In a word, the Pesticidal composition containing Buprofezin and gamma cyhalothrin that the present invention is to provide, combines the two and can give full play to respective advantage, can be used for preventing and treating wooly aphis; And the combination of two kinds of active ingredients has significant synergies, can reach and strengthen control efficiency and delay drug-fast effect, quick-acting and lasting effect are all better, are better than prior art.And can pesticide dosage be reduced, reduce costs, alleviate the pressure to environment.
Summary of the invention
In order to solve the problem of prior art, the object of the present invention is to provide a kind of control as the Pesticidal combination of wooly aphis.
Another object of the present invention is to provide the application of above-mentioned Pesticidal combination in control wooly aphis.
A kind of Pesticidal combination preventing and treating crops apples woolly aphid provided by the invention, containing Buprofezin 10.0 ~ 50.0 parts and gamma cyhalothrin 1.0 ~ 5.0 parts.
Preferably, Pesticidal combination of the present invention contains Buprofezin 10.0 ~ 40.0 parts and gamma cyhalothrin 1.0 ~ 4.0 parts.
More preferably, Pesticidal combination of the present invention contains Buprofezin 20.0 ~ 30.0 parts and gamma cyhalothrin 2.0 ~ 3.0 parts.
The application of Pesticidal combination in wooly aphis containing Buprofezin and gamma cyhalothrin provided by the invention, described Pesticidal combination comprises the effective ingredient of following parts by weight: Buprofezin 10.0 ~ 50.0 parts and gamma cyhalothrin 1.0 ~ 5.0 parts.
Pesticidal combination containing Buprofezin and gamma cyhalothrin provided by the invention is preventing and treating the application in wooly aphis, described Pesticidal combination, preferably, the effective ingredient of following parts by weight is comprised: Buprofezin 10.0 ~ 40.0 parts and gamma cyhalothrin 1.0 ~ 4.0 parts.
Pesticidal combination containing Buprofezin and gamma cyhalothrin provided by the invention is preventing and treating the application in wooly aphis, described Pesticidal combination, more preferably, the effective ingredient of following parts by weight is comprised: Buprofezin 20.0 ~ 30.0 parts and gamma cyhalothrin 2.0 ~ 3.0 parts.
The application of Pesticidal combination control wooly aphis containing Buprofezin and gamma cyhalothrin provided by the invention, described Pesticidal combination, most preferred, comprise effective ingredient Buprofezin and gamma cyhalothrin that weight proportion is 3:1 ~ 9:1.
The invention provides the agricultural chemicals of the Pesticidal combination containing Buprofezin and gamma cyhalothrin, the effective ingredient (Buprofezin and gamma cyhalothrin) in described agricultural chemicals accounts for 11.0% ~ 54.0% of agricultural chemicals gross weight.
The invention provides the application of Pesticidal combination in control wooly aphis containing Buprofezin and gamma cyhalothrin, described Pesticidal combination its effective ingredient concentration when preventing and treating wooly aphis is 20 ~ 40mg/L.
The insecticidal spectrum of Buprofezin is as follows:
1, water rice hopper: 25% wetting powder, 37% suspending agent, 65% wetting powder, 120-150 gram/ha, spraying process.
2, orange tree arrowhead scales: 25% wetting powder, 166.7-250 mg/kg, spraying process.
In addition, Buprofezin has good control efficiency to insects such as the plant hopper of Homoptera, leafhopper, aleyrodid and coccids, also has lasting larvicidal activity to some coleopteran pest and evil mite.Effectively can prevent and treat the plant hopper on rice and leafhopper.
The insecticidal spectrum of gamma cyhalothrin is as follows:
1, fruit and vegetable, leaf vegetables cabbage caterpillar: 23% microcapsule suspending agent, 6.25-15 gram/ha, spraying process.
2, wheat aphid: 5% suspending agent, 4.5-7.5 gram/ha, spraying process.
3, fruit and vegetable, leaf vegetables aphid: 25 grams per liter missible oil, 6-10 mg/kg, spraying process.
4, orange tree leaf miner: 25 grams per liter missible oil, 4.2-6.2 mg/kg, spraying process.
5, Carposina niponensis in fruit trees: 25 grams per liter missible oil, 5.0-8.3 mg/kg, spraying process.
6, litchi stinkbug silk worm: 25 grams per liter missible oil, 6.25-12.5 mg/kg, spraying process.
7, tea tree tea lesser leafhopper: 25 grams per liter missible oil, 15-30 mg/kg, spraying process.
8, cotton cotton bollworm, pink bollworm: 25 grams per liter missible oil, 7.5-22.5 mg/kg, spraying process.
9, cotton aphid: 25 grams per liter missible oil, 3.75-7.5 mg/kg, spraying process.
10, tobacco oriental tobacco budworm: 25 grams per liter missible oil, 5.63-7.5 mg/kg, spraying process.
11, soybean pod borer: 25 grams per liter missible oil, 5.63-7.5 mg/kg, spraying process.
12, wheat mythimna separata: 25 grams per liter missible oil, 4.5-7.5 mg/kg, spraying process.
Gamma cyhalothrin insecticidal spectrum is wide, below a small amount of registered example is only listed, this medicament can be used for control cotton, peanut, soybean, fruit tree, vegetables, various pests, the evil mite such as Lepidoptera, coleoptera, Semiptera, diptera, Homoptera on tobacco, also can be used for preventing and treating multiple earth's surface and public health insect.
In embodiments of the invention 1, determine Buprofezin synergistic effect to wooly aphis mixed with gamma cyhalothrin, Buprofezin and gamma cyhalothrin all have addition or synergistic effect for examination different proportion mixture to wooly aphis, wherein Buprofezin and gamma cyhalothrin weight ratio be 5: 1 CTC value reach 243.91, there is synergistic effect significantly.Therefore, it is possible to two kinds of components (Buprofezin and the gamma cyhalothrin) weight ratio realizing the synergistic effect of control wooly aphis the best should be 3:1 ~ 9:1.
The present invention in actual applications (experimental example 1) 30% thiophene high (5: 1) suspending agent 40 mg/litre process and the process of 30% thiophene high (9: 1) suspending agent 40 mg/litre in Changli, Hebei, the effect of the control wooly aphis of two places, Shunping County reaches more than 89.6%, the highest preventive effect of 2.5% efficient cyhalothrin missible oil 12.5 mg/litre processed group is the highest preventive effect of 81.5%, 25% buprofezin suspension agent 100 mg/litre processed group is 68.7%.Visible Buprofezin and gamma cyhalothrin use in conjunction have synergistic effect significantly.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The object of the present embodiment is the synergistic effect to wooly aphis mixed with gamma cyhalothrin of research Buprofezin.
The indoor virulence of reagent agent to wooly aphis aptery one-tenth aphid adopts infusion process.With the aqueous solution containing 0.1% Tween 80, each medicament mother liquor is diluted to geometric ratio gradient 4 ~ 6 series mass concentration respectively.Using the distilled water containing 0.1% Tween 80 and 0.1% acetone as blank.The funnel that picking wooly aphis of the same size becomes aphid to put into filter paper to be converted into, draw in liquid instillation filter paper funnel with dropper, funnel bottom is attached on glassware wall, the liquid in funnel is allowed naturally to flow to end (10 second), woolly aphid after process is placed on dry filter paper, with writing brush, woolly aphid is chosen in plastic casing gently, put into blade in box and carry out moisturizing, build with the foraminate lid of band, under putting into indoor 20 DEG C of conditions.Often process 45, in triplicate.Examination worm death condition is checked after 24 hours.
Table 1 Buprofezin and gamma cyhalothrin different proportion mixture are to the indoor synergistic effect of wooly aphis
From embodiment 1, Buprofezin and gamma cyhalothrin all have addition or synergistic effect for examination different proportion mixture to wooly aphis, wherein the CTC value of Buprofezin and gamma cyhalothrin 5: 1 reaches 243.91, and the synergy scope of its best should be 3:1 ~ 9:1.
Embodiment 2
The object of the present embodiment is that research Buprofezin and gamma cyhalothrin and different components are to the synergistic effect of wooly aphis.
The indoor virulence of reagent agent to wooly aphis aptery one-tenth aphid adopts infusion process.With the aqueous solution containing 0.1% Tween 80, each medicament mother liquor is diluted to concentration to be measured respectively.Using the distilled water containing 0.1% Tween 80 and 0.1% acetone as blank.The funnel that picking wooly aphis of the same size becomes aphid to put into filter paper to be converted into, draw in liquid instillation filter paper funnel with dropper, funnel bottom is attached on glassware wall, the liquid in funnel is allowed naturally to flow to end (10 second), woolly aphid after process is placed on dry filter paper, with writing brush, woolly aphid is chosen in plastic casing gently, put into blade in box and carry out moisturizing, build with the foraminate lid of band, under putting into indoor 20 DEG C of conditions.Often process 45, in triplicate.Examination worm death condition is checked after 24 hours.
Percentage composition in following table refers to the percentage composition of active ingredient in pesticidal preparations, and if 11% thiophene+senior middle school's Diacloden content in pesticidal preparations is 10%, gamma cyhalothrin content is 1%; Refer to the milligram number containing active ingredient in every hydrargyrum oxydatum crudum liquid for examination concentration, active ingredient can be a kind of or two or more.
Table 2 Buprofezin and gamma cyhalothrin and different components active to wooly aphis
From embodiment 2 result, Buprofezin and gamma cyhalothrin and different components are under experimental concentration is 20 mg/litre situations, spiral shell worm ethyl ester and gamma cyhalothrin proportioning combine higher to wooly aphis activity, as (12%) thiophene+height (10+2), (23%) thiophene+height (20+3), (24%) thiophene+height (20+4), (34%) thiophene+height (30+4), (35%) thiophene+height (30+5), (45%) thiophene+height (40+5), corrected mortality are respectively 83.81%, 86.68,86.26%, 86.01%, 83.76%, 89.45% 5: 1 to 9: 1.Other combination correction lethality are relatively low.
Embodiment 3
The object of this experimental example is to study 30%(Buprofezin+gamma cyhalothrin) test of pesticide effectiveness of suspending agent control wooly aphis.30%(Buprofezin+gamma cyhalothrin is prepared voluntarily, weight ratio 5: 1 before test) suspending agent and 30%(Buprofezin+gamma cyhalothrin, weight ratio 9: 1) suspending agent is for examination.Above-mentioned 30% Buprofezin gamma cyhalothrin (5: 1) suspending agent and 30% Buprofezin gamma cyhalothrin (9: 1) suspending agent effective ingredient consumption 20mg/L and 40mg/L process is adopted respectively in test, and with 25% Buprofezin SC effective ingredient consumption 200mg/L and 2.5% Lambda-Cyhalothrin effective ingredient consumption 12.5mg/L chemicals treatment in contrast.During test, by spraying process after each reagent agent dilute with water.Often process is with 2, tree, sets investigation 15 points for every.Dispenser period is September, average individual plant amount of liquid medicine 5L.
Shunping County, test site Hebei, Changli County, Hebei.
Investigation wooly aphis colony number before investigation method medicine, the worm that respectively investigation once marked all wooly aphiss alive on branch in after dispenser 5,10,15,20 days falls number, and during investigation radix, every community worm number that falls is greater than 30.In investigation, the white wool of wooly aphis is wilted and is dimmedly considered as death, and white wool is fresh and alive, and the worm that is considered as living falls.
Table 320% Buprofezin gamma cyhalothrin suspending agent is to wooly aphis field control effectiveness test
Table 430% Buprofezin gamma cyhalothrin suspending agent is to wooly aphis field control effectiveness test
From Shunping County and two places, Changli result of the test, the field test results of 30% Buprofezin gamma cyhalothrin suspending agent to wooly aphis shows: within 15 ~ 28 days, be up to 77.9 ~ 89.6% to the preventive effect of wooly aphis after 30% Buprofezin gamma cyhalothrin (weight ratio 5: 1) suspending agent and 30% Buprofezin gamma cyhalothrin (weight ratio 9: 1) suspending agent 40mg/L medicine, effectively can control the harm of wooly aphis; 68.4 ~ 84.8% were up to the preventive effect of wooly aphis in 15 ~ 28 days after 30% Buprofezin gamma cyhalothrin (5: 1) suspending agent and 30% Buprofezin gamma cyhalothrin (9: 1) suspending agent 20mg/L medicine, still effectively can control the harm of wooly aphis; Contrast medicament 2.5% efficient cyhalothrin EC effective ingredient consumption 12.5mg/L process, it was prevented and treated after 28 days is 79.3%; Contrast medicament 25% Buprofezin SC100mg/L is 68.7% to the best preventive effect of wooly aphis.Result shows, 30%(Buprofezin+gamma cyhalothrin) suspending agent can be used for the control of wooly aphis on producing, and has significant synergistic effect.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (6)
1. the application of Pesticidal combination in control crops apples woolly aphid, it is characterized in that, described Pesticidal combination contains Buprofezin 3.0 ~ 9.0 parts and gamma cyhalothrin 1.0 parts.
2. apply as claimed in claim 1, it is characterized in that, containing Buprofezin 3 ~ 5 parts and gamma cyhalothrin 1.0 parts.
3. apply as claimed in claim 1, it is characterized in that, containing Buprofezin 5 ~ 9 parts and gamma cyhalothrin 1 part.
4., according to the arbitrary described application of claims 1 to 3, it is characterized in that, the form that described Pesticidal combination is made into agricultural chemicals is used.
5. application according to claim 4, is characterized in that, in described Pesticidal combination, effective ingredient accounts for 11.0% ~ 54.0% of agricultural chemicals gross weight.
6. application according to claim 5, is characterized in that, described agricultural chemicals effective ingredient concentration when preventing and treating wooly aphis is 20 ~ 40mg/L.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107296A1 (en) * | 1982-10-18 | 1984-05-02 | Imperial Chemical Industries Plc | Insecticidal product and preparation thereof |
| CN1217877A (en) * | 1998-09-18 | 1999-06-02 | 如东县植保站 | Gongpu emulsion |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107296A1 (en) * | 1982-10-18 | 1984-05-02 | Imperial Chemical Industries Plc | Insecticidal product and preparation thereof |
| CN1217877A (en) * | 1998-09-18 | 1999-06-02 | 如东县植保站 | Gongpu emulsion |
Non-Patent Citations (1)
| Title |
|---|
| 多虫克防治茶尺蠖、假眼小绿叶蝉试验;阚李斌，吴佩忠;《农药》;20011025;第40卷(第10期);第28页 * |
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