CN103858867B - A kind of sex pheromone of Grapholitha molesta synergy lures core and uses thereof - Google Patents
A kind of sex pheromone of Grapholitha molesta synergy lures core and uses thereof Download PDFInfo
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- CN103858867B CN103858867B CN201410074987.1A CN201410074987A CN103858867B CN 103858867 B CN103858867 B CN 103858867B CN 201410074987 A CN201410074987 A CN 201410074987A CN 103858867 B CN103858867 B CN 103858867B
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Abstract
The present invention relates to a kind of sex pheromone of Grapholitha molesta synergy and lure core, it lures core for carrier with cuff type compounded rubber plug blank, and be added drop-wise on carrier by the hexane solution of 1-undecyl alcohol (1-undecanol), n-hexane is evaporated completely and obtains synergy and lures core.The invention still further relates to the purposes that described synergy lures core, this lures core and sex pheromone of Grapholitha molesta to lure core to be combined can significantly improve the quantity that sex pheromone traps traps oriental fruit moth, therefore core can be lured to apply as the synergy of sex pheromone of Grapholitha molesta.
Description
Technical field
The present invention relates to a kind of semiochemical and lure core, particularly relate to a kind of sex pheromone of Grapholitha molesta synergy and lure core and uses thereof.
Background technology
Oriental fruit moth belongs to Lepidoptera Tortricidae, is called for short pears little, has another name called east fruit and eats into moth, peach folding tip worm, be one of global main fruit trees insect, be distributed widely in Asia, Europe, America and Australia.China, except Tibet has no report, generally occurs in other each department, especially occurs the most general with North China, Central China, and oriented trend area diffusion and occurring and damage not occurring and increases the weight of.Oriental fruit moth host is extensive, and main host plants plant comprises peach, nectarine, pears, apple, Lee, apricot.In these host plants, it is secondary hosts that Peach and nectarine is generally considered to be primary host, apple and pears.The Host transfer phenomenon that oriental fruit moth exists, Primary Study thinks what host plant volatile materials caused.Oriental fruit moth is bored moth with larva and to cause harm host plant young sprout or fruit, and apply traditional Prevention Technique and control it and cause harm and have significant limitation, control efficiency is not obvious, therefore in the urgent need to one effectively preventing means more.
Sex pheromone of Grapholitha molesta is through extracting, identifying, determine it is the mixture of 3 kinds of compounds, comprise (Z)-8dodecenylacetate (Z8-12:Ac), (E)-8dodecenylacetate (E8-12:Ac), and (Z)-8do-decen-1-ol (Z8-12:OH).The sex pheromone of Grapholitha molesta of synthesis is widely used in the monitoring of the flight diffusion of oriental fruit moth in orchard, population dynamic prediction, mass trapping and isotropic interference at present.But when applying traditional sex pheromone lure core trapper, effect is sometimes very not obvious, so this just requires to find some materials to improve the attraction power to male worm of sex pheromone lure core, i.e. sex pheromone synergist.
Research shows that host plant volatile can play the effect of sex pheromone synergist, and this is existing many reports in much control of insect research.In noctuid, the female worm sex pheromone of beet armyworm combines (Z)-3-hexenol, (Z)-3-hexenylacetate, after the host plant volatiles such as phenylacetaldehyde or (E)-2-hexenal use, trapper lures the quantity of male worm to be significantly higher than and is used alone sex pheromone traps.With apply separately compared with sex pheromone lure core, be combined host plant volatile (Z)-3-hexenyl acetate or (Z)-3-hexen-1-ol, the more trapping of trapper energy is to cotton bollworm.In Tortricidae insect, more to sex pheromone of carpocapsa pomonella synergy research is a kind of volatile matter-pear ester from its host plant, and research shows that this substance significantly improves the trapping quantity of sex pheromone traps to the female worm of codling moth or male worm.
But up to the present, also do not find, effectively for the sex pheromone synergist of oriental fruit moth, to be difficult to the induced moth number improving oriental fruit moth.
Summary of the invention
The object of the invention is to the trap effect improving sex pheromone of Grapholitha molesta, provide a kind of host plant volatile and lure core, the synergy that can be used as traditional sex pheromone of Grapholitha molesta lures core, improves its induced moth number.
For achieving the above object, the present invention includes following technical scheme:
A kind of sex pheromone of Grapholitha molesta synergy lures core, and it comprises carrier and is immersed in the 1-undecyl alcohol (1-undecanol) in carrier.Particularly, this lures core to be lure core for carrier with cuff type compounded rubber blank, and the 1-undecyl alcohol (1-undecanol) of 50 μ g is dissolved in the hexane solution of 200 μ L, be added drop-wise to carrier, ambient temperatare puts 30 minutes, treats that solvent volatilizees, synergy lure core.The chemical purity of this compound is greater than 98%.
The structural formula of 1-undecyl alcohol (1-undecanol) is as follows:
The present invention also provides a kind of and prepares the method that sex pheromone of Grapholitha molesta synergy lures core, it comprises the following steps: first cuff type compounded rubber blank is lured core 95% ethanol purge 3 times, ethanol is made to volatilize under room temperature clean, again the 1-undecyl alcohol (1-undecanol) of 50 μ g is dissolved in the hexane solution of 200 μ L, then be added drop-wise to cuff type compounded rubber blank and lure core, after n-hexane solvent is evaporated completely, the core that lures made is loaded the sealing of north material pouch, is stored in-20 DEG C of refrigerators for subsequent use.
Sex pheromone of Grapholitha molesta synergy provided by the invention lures core purposes to be:
Lure core to be combined with traditional sex pheromone of Grapholitha molesta, improve the moth trapping of sex pheromone traps with this, increase induced moth number.Namely the synergy as sex pheromone of Grapholitha molesta lures core to improve the trapping quantity of sex pheromone traps.
The present invention is by a large amount of screening operation, and research finds, 1-undecyl alcohol (1-undecanol) as increasing lure, can have and improve sex pheromone to oriental fruit moth trapping effect.Be made into the moth trapping luring core can improve traditional oriental fruit moth tradition sex pheromone lure core trapper, increase induced moth number, accurately the occurrence dynamics of reflection oriental fruit moth.
Accompanying drawing explanation
What Fig. 1 showed is that difference lures core process trapper to lure moth Dynamic comparison.
Embodiment
Lure the preparation of core, using method and purposes to be described in detail below in conjunction with embodiment with to the present invention, but should not be construed as limitation of the present invention.Without departing from the spirit and substance of the case in the present invention, the amendment do the inventive method, step or condition or replacement, all belong to scope of the present invention.
If do not specialize, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
On June 28th, 2013, to July 18, carries out synergy at Hubei Laohekou and lures core to lure the synergism test of core to sex pheromone of Grapholitha molesta.
First cuff type compounded rubber blank is lured core 95% ethanol purge 3 times, make ethanol volatilize under room temperature clean.Again the 1-undecyl alcohol (1-undecanol) of 50 μ g is dissolved in the hexane solution of 200 μ L, then be added drop-wise to cuff type compounded rubber blank and lure core, after n-hexane solvent is evaporated completely, the core that lures made is loaded the sealing of north material pouch, is stored in-20 DEG C of refrigerators for subsequent use.
When field carries out luring core, lure core (purchased from Beijing Pherobio Technology Co., Ltd. sex pheromone of Grapholitha molesta, production code member G013) and synergy lure core to combine, and to add in being fixed in the standard triangle trapper (28 × 18 × 15cm) of insect-sticking plate, be placed in insect-sticking plate surface.Core is lured to be placed in separately in trapper as contrast with sex pheromone of Grapholitha molesta.Two kinds of trappers are placed in the branch apart from the 1.5 meters of height in ground in theatre.Each process repetition 3 times.By trapper random arrangement in theatre, spacing 30 meters.Daily check lures moth situation, is cleaned out by insect-sticking plate.Calculate induced moth number, statistics moth trapping, draws day induced moth number Dynamic Graph.
Table 1 difference lures core process trapper moth trapping comparison in difference
As can be seen from Table 1, three kinds lure the induced moth number of core process trapper to there is significant difference, are used alone synergy and lure core can not lure oriental fruit moth male worm; Sex pheromone lure core is combined after synergy lures core, and moth trapping is significantly better than being used alone sex pheromone lure core.Add after synergy lures core, the quantity of the oriental fruit moth male worm that trapper lures is far away higher than the induced moth number being used alone sex pheromone lure core, and the worm amount that synergy lures core and sex pheromone lure core to be combined and lures is 3.06 times that are used alone sex pheromone lure core.
Fig. 1 is that difference lures core process trapper to lure moth Dynamic comparison.As seen from Figure 1, two kinds lure core process trapper lure moth dynamic similarity, luring the moth rush day identical, using synergy to lure the average daily induced moth number of core trapper significantly more than being used alone sex pheromone lure core.Illustrate and not only can significantly improve and lure moth quantity after using synergy to lure core, also can better react the occurrence dynamics of oriental fruit moth.
Claims (5)
1.1-undecyl alcohol is improving sex pheromone to the purposes of oriental fruit moth trapping effect.
2. sex pheromone of Grapholitha molesta synergy lures a core, and it comprises carrier and is immersed in the 1-undecyl alcohol in carrier.
3. sex pheromone of Grapholitha molesta synergy according to claim 2 lures core, it is characterized in that, this lures core to be lure core for carrier with cuff type compounded rubber blank, the 1-undecyl alcohol of 50 μ g is dissolved in the hexane solution of 200 μ L, be added drop-wise to carrier, ambient temperatare puts 30 minutes, treats that solvent is evaporated completely, synergy lure core.
4. prepare the method that sex pheromone of Grapholitha molesta synergy lures core for one kind, it comprises the following steps: first cuff type compounded rubber blank is lured core 95% ethanol purge 3 times, ethanol is made to volatilize under room temperature clean, again the 1-undecyl alcohol of 50 μ g is dissolved in the hexane solution of 200 μ L, then be added drop-wise to cuff type compounded rubber blank and lure core, after n-hexane solvent is evaporated completely, the core that lures made is loaded plastic pouch sealing, is stored in-20 DEG C of refrigerators for subsequent use.
5. the sex pheromone of Grapholitha molesta synergy described in Claims 2 or 3 lures a purposes for core, and its synergy as sex pheromone of Grapholitha molesta lures core to improve the trapping quantity of sex pheromone traps.
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| CN107156160A (en) * | 2017-06-07 | 2017-09-15 | 河南科技学院 | A kind of composition and method for preventing and treating oriental fruit months |
| CN113841697A (en) * | 2021-11-02 | 2021-12-28 | 山西农业大学 | Efficient compound synergist of grapholitha molesta sex pheromone and trapping application |
| CN115820873B (en) * | 2022-10-17 | 2023-07-25 | 广西特色作物研究院 | DNA bar code of pear stem bees and application thereof |
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| JPH03261774A (en) * | 1990-03-09 | 1991-11-21 | Ehime Pref Gov | 9,10-epoxy-6-heneicosene, production thereof and insect attractant |
| JP2003081729A (en) * | 2001-09-10 | 2003-03-19 | Forestry & Forest Products Research Institute | Houttuynia cordata-derived termite attractant and method for extracting the same |
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