CN104381260A - Hyphantria cunea sex attractant containing synergist - Google Patents
Hyphantria cunea sex attractant containing synergist Download PDFInfo
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- CN104381260A CN104381260A CN201410603391.6A CN201410603391A CN104381260A CN 104381260 A CN104381260 A CN 104381260A CN 201410603391 A CN201410603391 A CN 201410603391A CN 104381260 A CN104381260 A CN 104381260A
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Abstract
The invention discloses a hyphantria cunea sex attractant containing a synergist. The sex attractant contains the following components: 85%-95% of hyphantria cunea sex pheromone and 5%-15% of a synergist, wherein the synergist is a long-carbon chain olefin substance. Compared with an existing hyphantria cunea sex attractant, the moth attraction effect of the high-efficiency hyphantria cunea sex attractant disclosed by the invention is obviously enhanced.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of fall webworm sex attractant comprising synergist.
Background technology
Fall webworm (Hyphantria cunea Drury), English Fall webworm by name, Chinese different name, also known as " autumn curtain caterpillar ", " Qiu Mue ", belongs to Lepidoptera, Arctiidae.As the global quarantine pest insect of one, fall webworm originate in North America, are distributed widely in northern US, southern Canada and Mexico, and import Europe and Asia into from the end of the forties in last century.Fall webworm have progressively spread to the ground such as Hebei, Tianjin, Shandong, Shaanxi and Beijing since importing China into from 1979.It is a kind of very harmful ground To Leaf-feeding Insects, serious threat ecological safety, its harmful characteristics: is that feeding habits are mixed, and can endanger 300 various plants comprising forest, fruit tree, crops, flowers etc.; Two is that fertility is extremely strong, 1 year breeding three generations, and a female white moth on average raises up seed 3,000 ten thousand, can reach more than 200,000,000 at most; Three is that route of transmission is wide, all can do long-distance communications with various goods, means of transport etc. throughout the year; Four is that harm is serious, during outburst, can eat up all green plants blades in the extremely short time.It is forestry pest and pest.Usual control fall webworm adopt manually or plant seeds by airplane chemical agent is prevented and treated, although this method instant effect, scope are wide, because fall webworm population quantity is many, and generation overlap, single chemical control is difficult to the population controlling fall webworm lastingly; Control fall webworm also can utilize natural enemy to carry out biological control as Zhou Shi nibbles chalcid fly, but due to Zhou Shi, to nibble chalcid fly reproduction speed slow, is difficult to reach desirable control efficiency; Current physics trapping method is one comparatively effectively preventing method, and conventional is lure worm insect killing lamp, trapper etc., wherein usability information usually trap killing American white moth be method the most efficiently.
The research of the sex pheromone of fall webworm starts from early 1970s, by 1976, and three component (Z9 of sex pheromone, Z12)-ten eight carbon two olefine aldehydrs, (9Z, 12Z, Z15)-Octadecatrienal and (3Z, 6Z, 9S, 10R)-9, carbon diene is separated identifies successfully for 10-epoxy-3,6-21,1989 years, other 2 components (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin and (3Z, 6Z, 9S, 10R)-9,10-epoxies-1,3,6-20 carbon triolefin is separated again to be identified successfully.Since then, the Prof. Du Yucang preparation of fall webworm sex pheromone becomes the focus of research always, gyplure for this worm is also developed, by the semiochemical of Prof. Du Yucang, attract the field male moth seeking mating of the same race, trapped and killed in trapper, make female worm lose the chance of mating, effectively can not raise up seed, lower offspring flocks quantity and reach the object of control.
Fall webworm invasion China is existing, and at present, domestic Market Economy worker generally uses the white moth property of import to lure core to monitor the generation of this worm for a long time, and it is active that this lures core to have certain trapping, but expensive, is difficult to large scale application.In addition, the import ratio between the kind of the composition compound of the sex pheromone of core and compound that lures all differs comparatively large with the actual conditions in the fall webworm sexual gland of China, illustrates that import lures the attractant effect of core to fall webworm China population can not reach best.Although the existing gyplure attractant effect developed for Chinese population has improved to some extent, in actual use procedure, fall webworm capture rate has still had much room for improvement.For this situation, present inventors studied fall webworm closely chemical communication mechanism, significantly improved the trapping setting ratio of fall webworm by the method for adding synergist.
Summary of the invention
The object of the invention is to the shortcoming overcoming usability lure control fall webworm poor effect, a kind of gyplure being effective to prevent and treat fall webworm is provided, and greatly improves trappability.
The object of the invention is to be achieved through the following technical solutions:
Comprise a fall webworm gyplure for synergist, this fall webworm gyplure forms primarily of the component of following weight percentage: fall webworm sex pheromone accounts for 85-95%, and synergist accounts for 5-15%; Wherein, synergist is Long carbon chain olefin compound.
Preferred fall webworm sex pheromone accounts for 88%-95%, and synergist accounts for 5%-12%.
Preferably fall webworm sex pheromone accounts for 88%-93% further, and synergist accounts for 7%-12%.
Most preferably gyplure of the present invention comprises the active component fall webworm sex pheromone of weight ratio 89%-91%, the synergist of weight ratio 9%-11%.
Described Long carbon chain olefin compound is that one or more in (Z3, Z6, Z9)-(2n+1) carbon triolefin mix with arbitrary proportion, wherein, and 8≤n≤16.
Preferred Long carbon chain olefin compound is (Z3, Z6, Z9)-ten seven carbon triolefin, (Z3, Z6, Z9)-ten nine carbon triolefins, (Z3, Z6, Z9)-two ten one carbon triolefins, (Z3, Z6, Z9)-oleatricosatriene, (Z3, Z6, Z9)-two ten five carbon triolefins, (Z3, Z6, Z9)-two ten seven carbon triolefins, (Z3, Z6, Z9)-two 19 carbon triolefin, (Z3, Z6, Z9)-three ten one carbon triolefins, (Z3, Z6, Z9)-three tridecatriene.
Most preferably Long carbon chain olefin compound is that one or both in carbon triolefin of (Z3, Z6, Z9)-oleatricosatriene and (Z3, Z6, Z9)-two 15 mix with arbitrary proportion.(Z3, Z6, Z9)-oleatricosatriene and (Z3, Z6, Z9) part by weight of-two ten five carbon triolefin mixtures is 1-3:1-3, preferably (Z3, Z6, Z9)-oleatricosatriene and (Z3, Z6, Z9)-two 15 the part by weight of carbon triolefin mixture be 3:1.
The fall webworm sex pheromone that the present invention uses can be fall webworm sex pheromone that is natural or artificial preparation, all can use as long as can play the effect of traping fall webworm as sex pheromone.
Fall webworm sex pheromone is preferably by (Z9, Z12)-ten eight carbon two olefine aldehydr, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxy-3,6-21 carbon diene and (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin forms, and four part by weight are 1-3:30-35:50-70:4-8.
Most preferably fall webworm sex pheromone is by (Z9, Z12)-ten eight carbon two olefine aldehydr, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxy-3,6-21 carbon diene and (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin forms, and four part by weight are 2:32:60:6.
The product that fall webworm sex attractant of the present invention can occur for the preparation of monitoring fall webworm insect pest situation occurred and/or prediction fall webworm insect pest, for disturbing fall webworm mating and/or trapping, killing the product of fall webworm or the product for detecting fall webworm insect pest.
The application form of fall webworm gyplure provided by the invention can have multiple, acts synergistically as long as fall webworm sex pheromone and synergist can be made to produce, thus reduces consumption, the raising trapping activity of fall webworm sex pheromone.Above-mentioned application also comprises described synergist is applied to luring on core containing fall webworm sex pheromone.
When preparation lures core, each components in certain proportion is dissolved in n-hexane, according to the method for control and/or monitoring fall webworm, the wherein said consumption comprising the fall webworm gyplure of synergist is 0.1-10 mg/ml, is preferably 0.5-5 mg/ml.
Beneficial effect of the present invention compared with the prior art: fall webworm are important pests that China newly breaks out, current domestic usability lure is foreign import, price is high, effect is undesirable, the present invention utilizes Long carbon chain olefin compound, particularly (Z3, Z6, Z9)-(2n+1) carbon triolefin (8≤n≤16) prepares fall webworm gyplure as synergist, compared with the fall webworm gyplure reported, moth trapping obviously strengthens, and the present invention has great economy, ecology and social effect.
Embodiment
The present invention is understood better in order to make those skilled in the art person, and enable above-mentioned purpose of the present invention, feature and advantage become apparent more, below in conjunction with specific embodiment, the present invention is further detailed explanation, the experimental technique of unreceipted specific experiment condition in the following example, conveniently condition is carried out usually.
Embodiment 1:
Test period: 21 days-July 27 July in 2014
Test method:
The lure that 21 days-July 27 July in 2014 carries out heterogeneity and different proportion in Anxin County, Hebei province poplar forest is tested the trap effect of fall webworm.4 components (Z9, Z12)-ten eight carbon two olefine aldehydr of fall webworm sex pheromone, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxy-3,6-21 carbon diene and (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin, 2:32:60:6 mixing (abbreviation active components A) is dissolved in n-hexane by weight proportion, and concentration is 1mg/ml.
9 kinds of material (Z3 of boosting components, Z6, Z9)-ten seven carbon triolefins, (Z3, Z6, Z9)-ten nine carbon triolefins, (Z3, Z6, Z9)-two ten one carbon triolefins, (Z3, Z6, Z9)-oleatricosatriene, (Z3, Z6, Z9)-two ten five carbon triolefins, (Z3, Z6, Z9)-two ten seven carbon triolefins, (Z3, Z6, Z9)-two ten nine carbon triolefins, (Z3, Z6, Z9)-three ten one carbon triolefins, (Z3, Z6, Z9)-three tridecatrienes (are called for short c17 respectively, c19, c21, c23, c25, c27, c29, c31 and c33), their purity is all more than 95%.According to the experimental technique that sex pheromone is general, drip above 11 kinds of components on the partition of rubber stopper according to each dosage ratio shown in following table, the fall webworm gyplure made respectively loads sealing in aluminium foil, preserves under-20 DEG C of conditions.
Core will be lured to hang in fall webworm trapper, and be suspended on the high branch of poplar of 3-5 rice, trapper spacing is 100 meters, and trapper is changed position by every day, and it also removes by fall webworm quantity that record is traped in time.Lure core for blank with what drip n-hexane, often kind of process repetition 3 times, record lures moth number sum in table 1:
Table 1
Note: in table, data are the mean value repeated for 3 times.
Experimental result shows, after with the addition of boosting components, the attractant effect of gyplure to fall webworm strengthens greatly.When synergy after interpolation c23 lures, worm effect is best, secondly interpolation c25 lures worm effect.
Embodiment 2:
Test period: 21 days-July 27 July in 2014
Test method:
21 days-July 27 July in 2014 Anxin County, Hebei province poplar forest carry out heterogeneity and containing the fall webworm gyplure of different proportion synergist to the trap effect result of the test of fall webworm in table 2.Experimental technique is with embodiment 1.
Table 2
Note: in table, data are the mean value repeated for 3 times.
As can be seen from Table 2, optimum C23 and C25 mixed proportion, when 3:1 is as synergist, lures worm best results.
Embodiment 3:
The gyplure carrying out heterogeneity and different proportion 21 days-July 27 July in 2014 in Anxin County, Hebei province poplar forest to the trap effect result of the test of fall webworm in table 3.Wherein, import lures core to be NITOLURE board, purchased from Japanese Idemitsu Kosen Co., Ltd..Domestic formula: 5 components (Z9, Z12)-ten eight carbon two olefine aldehydr of fall webworm sex pheromone, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxy-3,6-21 carbon diene, (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin, (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-20 carbon triolefin, 1:20:25:4:0.1 mixing is by weight proportion dissolved in n-hexane, concentration is 1mg/ml, and experimental technique is with embodiment 1.
Table 3
The data of table 3 show, the worm effect that lures of the present invention's formula compares other formulas, lures worm successful to strengthen.
Claims (10)
1. comprise a fall webworm gyplure for synergist, it is characterized in that the component primarily of following weight percentage forms: fall webworm sex pheromone accounts for 85-95%, and synergist accounts for 5-15%; Wherein, synergist is Long carbon chain olefin compound.
2. fall webworm gyplure according to claim 1, it is characterized in that fall webworm sex pheromone accounts for 88%-95%, synergist accounts for 5%-12%.
3. fall webworm gyplure according to claim 2, it is characterized in that fall webworm sex pheromone accounts for 88%-93%, synergist accounts for 7%-12%.
4. the fall webworm gyplure comprising synergist according to claim 1, is characterized in that described Long carbon chain olefin compound is for one or more mixing in (Z3, Z6, Z9)-(2n+1) carbon triolefin, wherein, and 8≤n≤16.
5. the fall webworm gyplure comprising synergist according to claim 1, is characterized in that described Long carbon chain olefin compound is (Z3, Z6, Z9)-ten seven carbon triolefins, (Z3, Z6, Z9)-ten nine carbon triolefin, (Z3, Z6, Z9)-two 11 carbon triolefin, (Z3, Z6, Z9)-oleatricosatriene, (Z3, Z6, Z9)-two 15 carbon triolefin, (Z3, Z6, Z9)-two ten seven carbon triolefins, and (Z3, Z6, Z9)-two ten nine carbon triolefins, (Z3, Z6, Z9)-three 11 carbon triolefin, (Z3, Z6, Z9)-three tridecatrienes.In one or more mix with arbitrary proportion.
6. the fall webworm gyplure comprising synergist according to claim 1, it is characterized in that described Long carbon chain olefin compound is for (Z3, Z6, Z9)-oleatricosatriene and (Z3, Z6, Z9) one or both in-two ten five carbon triolefins mix with arbitrary proportion.
7. the fall webworm gyplure comprising synergist according to claim 6, it is characterized in that (Z3, Z6, Z9)-oleatricosatriene and (Z3, Z6, Z9)-two 15 the part by weight of carbon triolefin mixture be 1-3:1-3.
8. fall webworm gyplure according to claim 1, is characterized in that described fall webworm sex pheromone is by (Z9, Z12)-ten eight carbon two olefine aldehydr, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxies-3,6-21 carbon diene and (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin forms, and four part by weight are 1-3:30-35:50-70:4-8.
9. fall webworm gyplure according to claim 8, is characterized in that described fall webworm sex pheromone is by (Z9, Z12)-ten eight carbon two olefine aldehydr, (9Z, 12Z, 15Z)-Octadecatrienal, (3Z, 6Z, 9S, 10R)-9,10-epoxies-3,6-21 carbon diene and (3Z, 6Z, 9S, 10R)-9,10-epoxy-1,3,6-21 carbon triolefin forms, and four part by weight are 2:32:60:6.
10. fall webworm sex attractant according to claim 1 at the product occurred for the preparation of monitoring fall webworm insect pest situation occurred and/or prediction fall webworm insect pest, for disturbing fall webworm mating and/or trapping, kill the product of fall webworm or for detect fall webworm insect pest product in purposes.
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Cited By (5)
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| CN108432756A (en) * | 2018-04-13 | 2018-08-24 | 广西大学 | It is a kind of for the sex pheromone of prevention and control bright red hair spot moth and its preparation method of lure |
| CN110178604A (en) * | 2019-06-10 | 2019-08-30 | 天津市植物保护研究所 | A method of for enhancing to fall webworms worm trap effect |
| CN114793718A (en) * | 2022-05-25 | 2022-07-29 | 安徽农业大学 | Mating inhibitor for ectropis grisescens |
| CN116649342A (en) * | 2023-05-30 | 2023-08-29 | 中捷四方生物科技股份有限公司 | Fall webworm attractant |
| CN117243221A (en) * | 2023-09-14 | 2023-12-19 | 中捷四方生物科技股份有限公司 | Fall-back fall webworm disorientation dispersing agent |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108432756A (en) * | 2018-04-13 | 2018-08-24 | 广西大学 | It is a kind of for the sex pheromone of prevention and control bright red hair spot moth and its preparation method of lure |
| CN108432756B (en) * | 2018-04-13 | 2020-07-07 | 广西大学 | Sex pheromone for preventing and controlling phaea cinnabarina and preparation method of lure core of sex pheromone |
| CN110178604A (en) * | 2019-06-10 | 2019-08-30 | 天津市植物保护研究所 | A method of for enhancing to fall webworms worm trap effect |
| CN114793718A (en) * | 2022-05-25 | 2022-07-29 | 安徽农业大学 | Mating inhibitor for ectropis grisescens |
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| CN117243221A (en) * | 2023-09-14 | 2023-12-19 | 中捷四方生物科技股份有限公司 | Fall-back fall webworm disorientation dispersing agent |
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