CN102726392A - Sex pheromone of trichophysetis cretacea and lure thereof - Google Patents
Sex pheromone of trichophysetis cretacea and lure thereof Download PDFInfo
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- CN102726392A CN102726392A CN2011100881299A CN201110088129A CN102726392A CN 102726392 A CN102726392 A CN 102726392A CN 2011100881299 A CN2011100881299 A CN 2011100881299A CN 201110088129 A CN201110088129 A CN 201110088129A CN 102726392 A CN102726392 A CN 102726392A
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- sex pheromone
- snout moth
- divergent angle
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Abstract
The invention provides a sex pheromone composition of trichophysetis cretacea and a lure thereof and the sex pheromone composition is characterized in that: the composition of the sex pheromone of trichophysetis cretacea comprises a sex pheromone including a mixture of Z-11-hexadecene acetate, Z-11-hexadecenal and Z-11-hexadecenol in a mass proportion of 20-1000 mu g: 20-1000 mu g: 10-1000 mu g. The invention also discloses the correlative lure and the optimum trapping is realized when the total dose is 400 mu g. The invention discoveries and identifies the sex pheromone of trichophysetis cretacea for the first time and obtains an optimum composition ratio. The sex pheromone composition in the invention can trap and kill a plurality of male moths of trichophysetis cretacea (hendecasis duplifascialis), can be used for monitoring and controlling the population of jasmine trichophysetis cretacea and has an important effect and meaning for trapping and killing and forecasting of the trichophysetis cretacea.
Description
Technical field
The present invention relates to a kind of double cut must divergent angle snout moth's larva sex pheromone and the relevant core that lures thereof.
Background technology
The Jasmine industry is the pillar industry in China Jasmine producing region.But Jasmine insect, particularly jasmine flower bud snout moth's larva are commonly called as Jasmine borer harm especially severe, are the first insect of Jasmine, account for insect pest percent of loss about 70%.All have larva harm April to December in the Qianwei County, the heaviest with harm in 7～October especially.Jasmine flower bud snout moth's larva harm object is single-minded, mainly bores moth the harm tender tip, bud and flower with larva, and bud is injured rate more than 90%, and the later stage is caused pale reddish brown, empty petal phenomenon, reduces the Jasmine quality greatly, influences its economic worth, thereby finally influences peasant's income.Since bore moth harm, very difficult control, the general excessive use agricultural chemicals of peasant causes the Jasmine persticide residue too high, and the pesticide resistance of primary pest strengthens on the Jasmine simultaneously.
Retrieving all international literatures, mainly is the basic description of some biology and harmfulness.Have only the paper of one piece of India that preliminary behavior observation has been done in mating and possible sex pheromone, thinking has sex pheromone to exist, but does not have chemical constitution to identify.Therefore, be a blank in the world.
For this reason, we carry out the sex pheromone of identifying double cut palpus divergent angle snout moth's larva Trichophysetis cretacea (Butler, 1879) (having another name called jasmine flower bud snout moth's larva Hendecasis duplifasciaslis), to be applied to observing and predicting and innoxious control of this worm.
Summary of the invention
First technical problem to be solved by this invention provides the divergent angle of a kind of double cut palpus snout moth's larva sex pheromone composition, is applied to observing and predicting and innoxious control of this worm.
Second technical problem to be solved by this invention provides a kind of double cut must lure core by divergent angle snout moth's larva sex pheromone, is used to troop and traps and kills and observe and predict, and the divergent angle of double cut palpus snout moth's larva property is lured control of insect and observes and predicts have important function and meaning
The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of double cut must divergent angle snout moth's larva sex pheromone composition; It is characterized in that said double cut must comprise along 11-hexadecene acetate by divergent angle snout moth's larva sex pheromone composition; Along the 11-hexadecenal with along the 11-hexadecenol, quality is than scope 20-1000 μ g: 20-1000 μ g: 10-1000 μ g.
Preferably, said along 11-hexadecene acetate, the mass ratio of suitable 11-hexadecenal and suitable 11-hexadecenol is 200 μ g: 200 μ g: 20 μ g.
Preferably, said double cut must also comprise antioxidant and uvioresistant stabilizing agent by divergent angle snout moth's larva sex pheromone composition, can be the conventional addition of tradition.
The present invention solves above-mentioned second technical scheme that technical problem adopted: a kind of double cut must lure core by divergent angle snout moth's larva sex pheromone; The employing organic silicon rubber is processed; Lure and add the solution of being furnished with the divergent angle of double cut palpus snout moth's larva sex pheromone composition in the core; It is characterized in that said double cut must include along 11-hexadecene acetate by divergent angle snout moth's larva sex pheromone composition, press mass ratio 20-1000 μ g along the 11-hexadecenal with along the 11-hexadecenol: 20-1000 μ g: 10-1000 μ g mixes the sex pheromone of forming.Using dosage is the 50-2000 microgram.
As improvement, also comprise antioxidant and uvioresistant stabilizing agent in the said solution, the solvent of said solution adopts and heavily steams n-hexane.
At last, the using dosage of the divergent angle of said double cut palpus snout moth's larva sex pheromone composition is the 50-2000 microgram.
And said solution neutral pheromone compositions concentration is controlled at each lures core 50-2000 microgram/100 μ l solution scopes.
Compared with prior art; The invention has the advantages that: find and identified the divergent angle of double cut palpus snout moth's larva sex pheromone first; And the composition proportioning that is optimized: along 11-hexadecene acetate; Press mass ratio 20-1000 μ g along the 11-hexadecenal with along the 11-hexadecenol: 20-1000 μ g: 10-1000 μ g mixes composition; Using this sex pheromone composition can effectively trap and kill a large amount of double cut must the male moth of divergent angle snout moth's larva (jasmine flower bud snout moth's larva), and being applied to the Jasmine double cut must divergent angle snout moth's larva population monitoring and control, and trapping that must divergent angle snout moth's larva to double cut has important effect and meaning with observing and predicting.
Description of drawings
Fig. 1 extracts the gas-matter coupling ion flow graph of compound
Fig. 2 is the mass fragmentograph contrast of each peak of extract and organic synthesis n-compound;
Fig. 3 is the gas chromatogram of organic synthesis pheromones compound preparating mixture;
The suitable 11-hexadecene acetic acid esters of Fig. 4 variable concentrations dosage is along the field test results (to represent along the content of 11-hexadecene acetic acid esters in mixture) of 11-hexadecenal and suitable 11-hexadecenol;
The suitable 11-hexadecene acetic acid esters of Fig. 5 variable concentrations ratio is along the field test results of 11-hexadecenal and suitable 11-hexadecenol;
The suitable 11-hexadecene acetic acid esters of Fig. 6 variable concentrations dosage is along the field test results of 11-hexadecenal and suitable 11-hexadecenol.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
1, extractability pheromones
Gather advanced age or mature larva, subsequent use after laboratory rearing, emergence; Adopt the female moth of sexually matured not mating, after emergence 3-5 days age.Dark at night back 6-7 hour of extraction time.Get into moth, behind the etherization, a little gently press belly with the medical operation tweezers; Clip abdomen end 3 saves parts then, and moving into has in the clean vial of 100ul approximately, and lixiviate is after 10 minutes; Draw solution part to point end glass tube concentrates air inlet phase-GC-MS analysis under little nitrogen.
2, evaluation and synthetic
The gas phase analysis condition: the pheromone compound of synthetic is all analyzed on Agilent 6890GC-5975MS, and chromatographic column is DB-35 (0.25mm * 30m * 25 μ m), temperature programming condition: 60 ℃; Stopped 1 minute, 10 ℃ of intensification per minutes are to 180 ℃; 3 ℃ of intensification per minutes to 250 ℃, stopped 10 minutes; 250 ℃ of injector temperature, 250 ℃ of fid detector temperature.
Gas-chromatography and mass spectral analysis condition: Agilent 6890, DB-35 (0.25mm * 30m * 25 μ m).250 ℃ of injector temperature.Gaseous mass analyzer coupling instrument is Agilent 5975, and the temperature of mass spectrum ion generator is 230 ℃, and electron energy is 70eV.
3, making lures core
Adopt organic silicon rubber to lure core, add antioxidant and uvioresistant stabilizing agent during obtain solution.The solvent steaming n-hexane of attaching most importance to.Each lures core to add 100 μ l solution.The content of reactive compound requires that according to experimental scheme difference is arranged, and in interpretation of result, indicates.
4, field trial:
Three repetitions of the gyplure of every kind of model of jasmine flower bud snout moth's larva, 6 of every mu of input trappers were checked once and record data in 2-5 days.
Result and analysis
1, the chemical constitution of sex pheromone is identified
Extract air inlet phase chromatograph-mas spectrometer is analyzed (Fig. 1), in 12 extracts, has 5 can find out possible sex pheromone component.Be respectively: the aldehyde of A:Z formula or E formula; The alcohol of B:Z formula or E formula; The ester of C:Z formula or E formula
Then, our organic synthesis the different isomerization compound of hexadecene, in gas phase and gas chromatograph-mass spectrometer, analyze, through comparison retention time and mass fragmentograph (Fig. 2), definitely at last possibly be:
The 11-hexadecenal of A:Z formula or E formula; The 11-hexadecenol of B:Z formula or E formula; The 11-hexadecene acetic acid esters of C:Z formula or E formula.
The plain mixture of composite signal is then formed different combinations formulated (Fig. 3) according to above 6 kinds of compounds, be made into lure core after, express mail is dispatched and is carried out field trial to Qianwei County's plant protection unit and measure.Later proportioning each time is on the basis of preceding single test, lures the difference of worm amount to adjust according to the field, thereby has progressively improved the allure that lures core.
2, the field trial of synthetic gyplure
(1) according to the repeatedly qualification result that carries out before this, first lures core to offer Qianwei County's plant protection unit, and by anti-11-hexadecene acetate, the variable concentrations ratio of anti-11-hexadecenal and anti-11-hexadecenol is mixed with HDA; HDB, HDC, HDD; HDE, HDF, HDH; HDI, eight kinds of different concentration proportionings, accumulated dose are 500 micrograms.Obviously, field trial is traped a male moth in certain sky once in a while.
Each model gyplure of table one is induced information slip
Release time: May 10-No. 30
(2) make the core that lures that cis-compound forms; By suitable 11-hexadecene acetate; Prepare along the 11-hexadecenal with along the variable concentrations proportioning of 11-hexadecenol, dispatch to Qianwei County also replacement at once and lure core to carry out field trial, the result's (table two, three) before the result obviously is different from.
Each model gyplure of table two is induced information slip
Release time: 25-September 3 August
Each model gyplure of table three is induced information slip
Release time: 25-October 23 August
(3) select near the approaching A of the double cut divergent angle snout moth's larva sex pheromone of palpus according to experimental data, two kinds of models of F are the suitable 11-hexadecene acetate of variable concentrations proportioning, form along the 11-hexadecenal with along the 11-hexadecenol.
Nine kinds of models of table four A are thrown in the trapping situation
Release time: September 3-No. 27
Conclusion: data show A4, two kinds of models of A7 lure the collection effect more satisfactory, the A4 model is traped borer population about 10 every day.
(4) according to the result of the test of front; Prepare the core that lures of variable concentrations ratio and various dose again, A0, A1, A2, A3, A4, A5, A6, A7, A4-1, A4-2, A4-3, A4-4, A4-5, A4-6, F11, F12, F13, F14, F15,19 kinds of gyplures of F16 lure core to carry out field trial.The result shows A0, and A4, A5 lure the worm effect best, and it is the best that dosage lures core 400 micrograms with each.The F proportioning lure borer population bad according to rule.
Conclusion
Up to the present, also do not have report double cut divergent angle snout moth's larva T.cretacea of palpus and Nymphiculamesorphna in paper and the patent, even the sex pheromone of Cybalomiinae subfamily and Nymphulinae subfamily was not reported yet.We are to find that first double cut must divergent angle snout moth's larva sex pheromone be along 11-hexadecene acetate, along the 11-hexadecenal with along the 11-hexadecenol.Through a series of site test, chemical optimized mixed is suitable-11-hexadecene acetate: suitable-the 11-hexadecenal: suitable-11-hexadecenol is with 20-1000 μ g: 20-1000 μ g: the concentration dose ratio of 10-1000 μ g is the best.Some proportionings can also be traped the male moth of a considerable amount of N.mesorphna.Our field data shows that this prescription can be trapped and killed a large amount of male moths of double cut palpus divergent angle snout moth's larva (jasmine flower bud snout moth's larva), and can be applied to the Jasmine double cut must divergent angle snout moth's larva population monitoring and control.
In practical application, contain mixture that 400 μ g form along the dosage of 11-hexadecene acetate not only effectively but also cost economy.
Claims (7)
1. a double cut must divergent angle snout moth's larva sex pheromone composition; It is characterized in that double cut must comprise along 11-hexadecene acetate by divergent angle snout moth's larva sex pheromone composition; Along the 11-hexadecenal with along the 11-hexadecenol, quality is than scope 20-1000 μ g: 20-1000 μ g: 10-1000 μ g.
2. the divergent angle of double cut palpus according to claim 1 snout moth's larva sex pheromone is characterized in that said suitable 11-hexadecene acetate, and the mass ratio of suitable 11-hexadecenal and suitable 11-hexadecenol is 200 μ g: 200 μ g: 20 μ g.
3. the divergent angle of double cut palpus according to claim 1 and 2 snout moth's larva sex pheromone is characterized in that said double cut must also comprise antioxidant and uvioresistant stabilizing agent by divergent angle snout moth's larva sex pheromone composition.
4. a double cut must lure core by divergent angle snout moth's larva sex pheromone; The employing organic silicon rubber is processed; Lure and add the solution of being furnished with the divergent angle of double cut palpus snout moth's larva sex pheromone composition in the core; It is characterized in that said double cut must include along 11-hexadecene acetate by divergent angle snout moth's larva sex pheromone composition, press mass ratio 20-1000 μ g along the 11-hexadecenal with along the 11-hexadecenol: 20-1000 μ g: 10-1000 μ g mixes the sex pheromone of forming.
5. double cut according to claim 4 must lure core by divergent angle snout moth's larva sex pheromone, it is characterized in that also comprising in the said solution antioxidant and uvioresistant stabilizing agent, and the solvent of said solution adopts and heavily steams n-hexane.
6. double cut according to claim 4 must lure core by divergent angle snout moth's larva sex pheromone, it is characterized in that the using dosage of the divergent angle of said double cut palpus snout moth's larva sex pheromone composition is the 50-2000 microgram.
7. double cut according to claim 4 must lure core by divergent angle snout moth's larva sex pheromone, it is characterized in that said solution neutral pheromone compositions concentration lures core 50-2000 microgram/100 μ l solution scopes at each.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110088129.9A CN102726392B (en) | 2011-04-06 | 2011-04-06 | Sex pheromone of trichophysetis cretacea and lure thereof |
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| CN201110088129.9A CN102726392B (en) | 2011-04-06 | 2011-04-06 | Sex pheromone of trichophysetis cretacea and lure thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960237A (en) * | 2013-01-25 | 2014-08-06 | 宁波城市职业技术学院 | Sex pheromone composition of orthaga olivacea warre and lure core thereof |
| CN104938486A (en) * | 2015-05-13 | 2015-09-30 | 宁波城市职业技术学院 | Diaphania perspectalis sex attractant and lure core and preparation method thereof |
| CN112889821A (en) * | 2021-01-28 | 2021-06-04 | 山西农业大学 | Sex pheromone composition of pinworm red bean and pink rice borer as well as lure and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111183992B (en) * | 2020-02-18 | 2021-03-09 | 贵州省生物研究所 | Sex attractant for preventing and controlling phyllostachys nubilalis and pheromone lure core thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579705A (en) * | 1980-06-23 | 1982-01-19 | Shin Etsu Chem Co Ltd | Sex pheromone substance releasing tube |
| CN101347132A (en) * | 2008-09-02 | 2009-01-21 | 广东省昆虫研究所 | Attractant for diamondback moth |
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2011
- 2011-04-06 CN CN201110088129.9A patent/CN102726392B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579705A (en) * | 1980-06-23 | 1982-01-19 | Shin Etsu Chem Co Ltd | Sex pheromone substance releasing tube |
| CN101347132A (en) * | 2008-09-02 | 2009-01-21 | 广东省昆虫研究所 | Attractant for diamondback moth |
Non-Patent Citations (1)
| Title |
|---|
| 郑永利，等: "不同小菜蛾性信息素诱芯品种性能比较的初步研究", 《浙江农业科学》, no. 4, 11 August 2006 (2006-08-11) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960237A (en) * | 2013-01-25 | 2014-08-06 | 宁波城市职业技术学院 | Sex pheromone composition of orthaga olivacea warre and lure core thereof |
| CN103960237B (en) * | 2013-01-25 | 2016-03-30 | 宁波城市职业技术学院 | A kind of camphor tree nest snout moth's larva sex pheromone composition and lure core |
| CN104938486A (en) * | 2015-05-13 | 2015-09-30 | 宁波城市职业技术学院 | Diaphania perspectalis sex attractant and lure core and preparation method thereof |
| CN112889821A (en) * | 2021-01-28 | 2021-06-04 | 山西农业大学 | Sex pheromone composition of pinworm red bean and pink rice borer as well as lure and application thereof |
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| CN102726392B (en) | 2014-08-06 |
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