CN106689133A - Tea geometrid sex pheromone composition and lure thereof - Google Patents
Tea geometrid sex pheromone composition and lure thereof Download PDFInfo
- Publication number
- CN106689133A CN106689133A CN201611014060.4A CN201611014060A CN106689133A CN 106689133 A CN106689133 A CN 106689133A CN 201611014060 A CN201611014060 A CN 201611014060A CN 106689133 A CN106689133 A CN 106689133A
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- composition
- epoxies
- lure
- sex pheromone
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- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 239000000877 Sex Attractant Substances 0.000 title claims abstract description 46
- 241001046947 Ectropis obliqua Species 0.000 title claims abstract description 30
- 241000238631 Hexapoda Species 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 68
- -1 carbon diene Chemical class 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 239000004593 Epoxy Substances 0.000 claims description 24
- 229920000647 polyepoxide Polymers 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 241001122767 Theaceae Species 0.000 abstract 2
- 230000000266 injurious effect Effects 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 21
- 244000269722 Thea sinensis Species 0.000 description 14
- 238000012360 testing method Methods 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 9
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- XLYOFNOQVPJJNP-NJFSPNSNSA-N ((18)O)water Chemical compound [18OH2] XLYOFNOQVPJJNP-NJFSPNSNSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001634819 Ennominae Species 0.000 description 1
- 241001634830 Geometridae Species 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 241000409991 Mythimna separata Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 235000006468 Thea sinensis Nutrition 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003016 pheromone Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/20—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom three- or four-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M2200/00—Kind of animal
- A01M2200/01—Insects
- A01M2200/012—Flying insects
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Insects & Arthropods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a tea geometrid sex pheromone composition and a lure thereof, and belongs to the technical field of tea geometrid prevention and treatment. The tea geometrid sex pheromone composition is prepared from Z3Z6Z9-gaducene and (-)-(3Z,9Z,6S,7R)-6,7-epoxy octadecadienoic acid, wherein the mass ratio is 6:4-1:9. After the composition is mixed, a sex pheromone solution is obtained, and the sex pheromone solution is added into a release carrier to obtain the lure; the lure is fixed to a sticky colored card or a basin to obtain a trap, the trap is arranged in a tea garden, and the trap is made to be higher than the top end of a tea covering. According to the tea geometrid sex pheromone composition and the lure thereof, the strong male tea geometrid trap capability is achieved, the injurious insect occurrence peak period can be effectively monitored, blind medicine spraying is avoided, the good control effect is achieved, and natural enemy of injurious insects can be effectively protected and utilized.
Description
Technical field
The present invention relates to the composition and its lure of a kind of tea geometrid sex pheromone, belong to tea geometrid Prevention Technique field.
Background technology
Tea geometrid belongs to Lepidoptera, Geometridae, Ennominae, is the important Pests of Tea-Plants in southeast tea area of China.With larva
Food leaf is main hazard approach, can be by tea leaf and tender shoots eat everything up when breaking out.The main method of tea geometrid is prevented and treated at present
Still prevented and treated using organic agricultural chemicals, but the organic agricultural chemicals for largely using for many years brings the reduction of natural enemy quantity, the anti-medicine of insect
Property enhancing, environmental pollution and the consequence such as tea products residues of pesticides are exceeded.For Chinese tea industry, using insects letter
Control tea geometrid is just particularly important breath.
The tea geometrid sex pheromone component of report is the carbon triolefins of Z3Z6Z9- 18 and the carbon of Z3Z9-6,7- epoxies-ten eight at present
Diene, is all to use Z3Z9-6, and the optics raceme of the carbon diene of 7- epoxies-ten eight carries out trapping adults of ectropis obliqua, and gathering effect is not
Stabilization, is particularly difficult trapping to male moth when field population density is low.Therefore, it is highly desirable to develop have and draws by force
The tea geometrid lure of effect is lured, is observed and predicted and is prevented and treated in order to be applied to tea geometrid.
The content of the invention
In order to solve the above problems, believe the invention provides a kind of tea geometrid property to tea geometrid with more preferable prevention effect
The new compositions of element are ceased, and said composition is prepared into lure.
First purpose of the invention is to provide a kind of composition of tea geometrid sex pheromone, the composition by
The carbon triolefins of Z3Z6Z9- 18 and the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 are constituted.
In one embodiment of the invention, in the composition, the carbon triolefins of Z3Z6Z9- 18 and (-)-(3Z, 9Z,
6S, 7R) the carbon diene of -6,7- epoxies 18 mass ratio be 6:4~1:9.
In one embodiment of the invention, in the composition, the carbon triolefins of Z3Z6Z9- 18 and (-)-(3Z, 9Z,
6S, 7R) the carbon diene of -6,7- epoxies 18 mass ratio be 3:7~4:6.
Second object of the present invention is to provide a kind of composition of tea geometrid sex pheromone, the composition it is main by
The carbon triolefins of Z3Z6Z9- 18 and the carbon diene of Z3Z9-6,7- epoxies-ten eight are constituted；The wherein carbon diene of Z3Z9-6,7- epoxies-ten eight
In optical isomer (-)-carbon diene of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18 account for the carbon two of total Z3Z9-6,7- epoxies-ten eight
More than the 60% of alkene content.
In one embodiment of the invention, optical isomer (-)-carbon two of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18
Alkene account for the carbon diene content of total Z3Z9-6,7- epoxies-ten eight 60%~70%, 70%~80%, 80%~90%, 75%~
95%th, 90%~100%.
In one embodiment of the invention, the carbon diene of Z3Z9-6,7- epoxy-ten eight be levo form [(-)-(3Z, 9Z,
6S, 7R) the carbon diene of -6,7- epoxies 18].
In one embodiment of the invention, the carbon triolefins of Z3Z6Z9- 18 and (-)-(3Z, 9Z, 6S, 7R) -6,7- rings
The mass ratio of the carbon diene of oxygen 18 is 6:4~1:9.
In one embodiment of the invention, the carbon triolefins of Z3Z6Z9- 18 and (-)-(3Z, 9Z, 6S, 7R) -6,7- rings
The mass ratio of the carbon diene of oxygen 18 is 3:7~4:6.
In one embodiment of the invention, the carbon triolefins of Z3Z6Z9- 18 and Z3Z9-6,7- ring in the composition
The mass ratio of the carbon diene of oxygen-ten eight is 4:6；Optical isomer (-) wherein in the carbon diene of Z3Z9-6,7- epoxies-ten eight-(3Z,
9Z, 6S, 7R) the carbon diene of -6,7- epoxies 18 accounts for the 95% of the carbon diene content of total Z3Z9-6,7- epoxies-ten eight.
In one embodiment of the invention, the optical isomer (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18
The synthesis of carbon diene is referring to ZL2012104320584, or Millar, J.G.et al.Synthesis of Chiral Bis-
Homoallylic Epoxides.ANew Class ofLepidopteran
SexAttractants.J.Org.Chem.1986,51:4726-4728。
Third object of the present invention is to provide a kind of lure containing tea geometrid sex pheromone, and the lure is to send out this
Bright composition is dissolved into solvent and is made into sex pheromone solution or is 6 by mass ratio:4~1:9 carbon of Z3Z6Z9- 18
Triolefin and the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 are dissolved into solvent and to obtain sex pheromone after mixing molten
Liquid, and sex pheromone solution is added in release vehicle.
In one embodiment of the invention, the solvent is volatile organic solvent, is had after being added to release vehicle
Machine solvent volatilizees.
In one embodiment of the invention, the solvent is n-hexane.
In one embodiment of the invention, the carbon triolefins of Z3Z6Z9- 18 and (-)-(3Z, 9Z, 6S, 7R) -6,7- rings
The carbon diene of oxygen 18 is mixed with mutually various implementations, such as use and the two is dissolved into n-hexane, after n-hexane volatilization
The two is mixed.
In one embodiment of the invention, composition total concentration of the invention is 1 μ g/ in the sex pheromone solution
Ml~1000 μ g/ml.
In one embodiment of the invention, in the sex pheromone solution, the carbon triolefins of Z3Z6Z9- 18 and (-)-
The total concentration of the carbon diene of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18 is 1 μ g/ml~1000 μ g/ml.
In one embodiment of the invention, the lure is the tubular rubber stopper of one end closing.
In one embodiment of the invention, described sex pheromone solution is injected into rubber stopper by micro syringe
Inner chamber in.
In one embodiment of the invention, composition levels of the invention are 0.01~50 μ g in the lure.
In one embodiment of the invention, the volume of the lure is 500-600 μ L.
In one embodiment of the invention, the total consumption of composition of the invention for being used in the lure be 1~
1000 μ g/10 μ l, preferably 10~100 μ g/10 μ l.
Fourth object of the present invention is to provide application of the composition in terms of preparing lure or trapping insect.
In one embodiment of the invention, the insect, including male moth.
5th purpose of the invention is to provide a kind of application method of the lure, is to prepare trapper using lure,
Then trapper is positioned in region to be traped.
In one embodiment of the invention, the application method is that lure is fixed on the mythimna separata for being coated with insect sticker
So that trapper is obtained on plate, trapper is evenly arranged in tea place, and causes the position of trapper higher than tea paulin top.
Or lure is fixed on basin, so that trapper is obtained, trapper is evenly arranged in tea place, and cause the position of trapper
Put higher than tea paulin top.
In one embodiment of the invention, trapper has multiple choices.
6th purpose of the invention is to provide a kind of method for improving tea geometrid sex pheromone trapping performance, methods described
It is by the use of composition of the invention as trapping bait.
In one embodiment of the invention, methods described be using mass ratio be 6:4~1:9 Z3Z6Z9- ten
Eight carbon triolefins and the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 are used as trapping bait.
Advantages of the present invention and effect：
(1) present invention firstly discovers that the carbon diene of chipal compounds Z3Z9-6,7- epoxies-ten eight levo form [(-)-(3Z,
9Z, 6S, 7R) the carbon diene of -6,7- epoxies 18] it is more preferable to insect gathering effect, after being compounded with the carbon triolefins of Z3Z6Z9- 18 not only
Can effectively Monitoring Insect Pest occurrence in peak period, it is to avoid blindly spray, and with preferably adult effect is trapped, can also have
The protection of effect ground and the natural enemy using insect.
(2) composition of the invention and lure, trap for insect, gathering effect stabilization, are particularly suitable for field population close
The trapping of male moth when spending low.
(3) composition of the invention and lure are used, Z3Z9-6, the carbon diene optics of 7- epoxies-ten eight can be effectively reduced
The consumption of raceme, in the case of using less [the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18], so that it may
With good gathering effect.
Brief description of the drawings：
Fig. 1：Two kinds of optical isomers of the carbon diene of Z3Z9-6,7- epoxies-ten eight；
Fig. 2：The field day Attractivity of tea geometrid sex pheromone；
Fig. 3：Method to set up one of the trapper in field；
Fig. 4：Method to set up two of the trapper in field.
Specific embodiment
The present invention is further elaborated with reference to specific embodiment.
Embodiment 1
(1) constituent of sex pheromone
Experiment the carbon triolefins (Z3Z6Z9-18Hy) of compound Z3Z6Z9- 18, the carbon two of Z3Z9-6,7- epoxies-ten eight used
Alkene (Z3Z9-6,7epo-18Hy), (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 carbon diene (Z3Z9-6S, 7R-epo-
18Hy) above-mentioned chemical combination is diluted with the carbon diene (Z3Z9-6R, 7S-epo-18Hy) of (+)-(3Z, 9Z, 6R, 7S) -6,7- epoxies 18
The solvent of thing is used and steams n-hexane again.Wherein optical isomer Z3Z9-6S, 7R-epo-18Hy and Z3Z9-6R, 7S-epo-18Hy
Structure it is as shown in Figure 1.
(2) lure
Used as sex pheromone carrier, volume is 500 μ l to the tubular rubber stopper of selection one end closing.Rubber stopper respectively with just oneself
After alkane and dichloromethane cleaning, dry naturally.By the rubber stopper of above-mentioned treatment as sex pheromone release vehicle.
Lure is prepared before experiment.According to test requirements document, the constituent of sex pheromone is matched somebody with somebody according to the mass ratio of setting
The hexane solution of setting concentration is made, is then quantitatively adding in the inner chamber of rubber stopper with syringe, after n-hexane volatilizees i.e.
Into lure, it is fitted into the polybag of sealing, different quality proportionings and concentration are put in different polybags respectively, seals low temperature
Preserve.N-hexane is only added dropwise with the rubber stopper for comparing, without sex pheromone.
(3) trapper
Above-mentioned lure is fixed on the center of insect-sticking plate so that trapper is obtained, insect-sticking plate specification is 30cm × 40cm cardboards.
A certain amount of insect sticker is smeared above, and insect-sticking plate is fixed on bamboo pole.
(4) field investigation
Field test set up an office to the east of breeding tea plantation in Anhui Province Dongzhi County in the 24-27 of in May, 2015 days and carries out.Selection area
About 1200m23 pieces of rectangle tea place, each experiment tea place in different disposal trapper with checkerboard random alignment, lure
Catch device insert in tea it is fluffy in, 20cm fluffy higher than tea, between trapper distance be spaced 20m (such as Fig. 3).Trapper is put at dusk daily
Tea place, early morning on next day collects trapper and counts induced moth number, and insect-sticking plate is changed daily.
(5) lure ratio
The lure for constituting in varing proportions carries out Attractivity experiment in field.First by Z3Z6Z9-18Hy, Z3Z9-6,
7epo-18Hy, Z3Z9-6S, 7R-epo-18Hy and Z3Z9-6R, 7S-epo-18Hy point is configured to 1000 μ g/ml's with n-hexane
Solution, the binary sex pheromone component solution of different proportion is configured to by test requirements document, then drips 10 μ l sex pheromone solutions
It is added in lure.By following proportions：
Formula A：Z3Z9-6,7epo-18Hy=10 μ g
Formula B：Z3Z6Z9-18Hy:Z3Z9-6,7epo-18Hy=4 μ g:6μg
Formula C：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=4 μ g:6μg
Formula D：Z3Z6Z9-18Hy:Z3Z9-6R, 7S-epo-18Hy=4 μ g:6μg
Formula E：Z3Z6Z9-18Hy=10 μ g
Formula F：N-hexane=10 μ g
Result of the test is shown in Fig. 2.Result of the test shows, trapping of the different component to tea geometrid hero moth in the lure of sex pheromone
There is notable difference (see Fig. 2) in effect.The lure constituted with different ratio in the Attractivity in field is tested, Z3Z6Z9-
18Hy:Z3Z9-6S, 7Repo-18Hy=4 μ g:6 μ g Attractivity highests, sex pheromone one-component is in field experiment in addition
Also male moth can on a small quantity be lured.Sex pheromone extract moth trapping is poor, and solvent control group does not lure moth.
(6) lure dosage
Attractivity experiment (on June 15th, 2015) is carried out in field with the lure that different lure dosage is constituted.According to
Above ratio test result selects two components to press Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=4:6 same ratio is matched somebody with somebody
Than 5000 μ g/ml, 1000 μ g/ml, 100 μ g/ml, 10 μ g/ml, 1 μ g/ml, five concentration being made into, then by 10 μ l sex pheromones
Solution is added drop-wise in rubber stopper.The dosage of lure is respectively 50 μ g, 10 μ g, 1 μ g, 0.1 μ g, 0.01 μ g, the dosage of every kind of lure
5 groups of experiments of design iterations.
Result of the test is shown in Table 1.
Influence of the tea geometrid sex pheromone dosage of table 1 to Attractivity
Note：Numeral is M ± SE in table, and letter is the assay of Multiple range test, and different letters are represented in 0.05 level
Significant difference.
Result shows that the content of sex pheromone has obvious influence (being shown in Table 2) on Attractivity in lure, when lure is neutral
When the content of pheromones increases, trapping amount can occur significant changes.When dosage is 10 μ g, average trapping amount highest, 35.2, always
Can trap altogether to 176；Average trapping amount when dosage is 50 μ g and 1 μ g is slightly lower, average to be respectively 32.4 and 27.4.By
This is visible, and the dosage trapped for crop field is best in 10 μ g or so effect.Additionally, as shown in Table 2, composition of the invention is used for
Moth is lured, the fluctuation quantity that each Duplicate Samples trapping is obtained is smaller, illustrate the lure gathering effect stabilization that the present composition is made.
Embodiment 2：The trap effect of the lure of various combination proportioning
The composition n-hexane of Z3Z6Z9-18Hy and Z3Z9-6S, 7R-epo-18Hy is configured to the molten of 1000 μ g/mL
Liquid, the binary sex pheromone component solution of different proportion is configured to by test requirements document, and then 10 μ L sex pheromone solutions are added dropwise
To in lure.The lure for constituting in varing proportions carries out Attractivity experiment (on June 18th, 2015 to June 21) in field,
Lure and trapper preparation method, field test method are similar to Example 1.Same lure is reused four days, statistics four
The average of it lures moth number and day highest to lure moth number.
Wherein, composition is prepared by following mass ratio：
Formula 1：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=1:9
Formula 2：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=2:8
Formula 3：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=3:7
Formula 4：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=3:6
Formula 5：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=4:6
Formula 6：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=5:5
Formula 7：Z3Z6Z9-18Hy:Z3Z9-6S, 7R-epo-18Hy=6:4
Result of the test is shown in Table 2.As shown in Table 2, the lure of differently composed ratio exists to the trapping effect of tea geometrid hero moth
Notable difference (is shown in Table 2).Wherein, Z3Z6Z9-18Hy and Z3Z9-6S, 7R-epo-18Hy mass ratio are 3:7~4:Moth is lured to live when 6
Property highest.
The field Attractivity of the different lures of table 2
Note：Numeral is M ± SE in table, and letter is the assay of Multiple range test, and different letters are represented in 0.05 level
Significant difference.
Embodiment 3：The trap effect of the lure of the levo form of different content
By Z3Z6Z9-18Hy and Z3Z9-6,7epo-18Hy (Z3Z9-6S, 7R-epo-18Hy and Z3Z9-6R, 7S-epo-
The mixture of 18Hy) composition n-hexane be configured to the solution of 1000 μ g/mL, be configured to different proportion by test requirements document
, then be added drop-wise to 10 μ L sex pheromone solutions in lure by binary sex pheromone component solution.The lure for constituting in varing proportions
Attractivity experiment (on June 25, -2015 years on the 22nd June in 2015), lure and trapper preparation method, field are carried out in field
Test method is similar to Example 1.The mass ratio of Z3Z6Z9-18Hy and total Z3Z9-6,7epo-18Hy is 4:6.Total Z3Z9-6,
The accounting of levo form Z3Z9-6S in 7epo-18Hy, 7R-epo-18Hy is respectively 50%, 60%, 70%, 75%, 85%,
95%th, 100%.Result is as shown in table 3.
The field Attractivity of the different lures of table 3
Note：Numeral is M ± SE in table, and letter is the assay of Multiple range test, and different letters are represented in 0.05 level
Significant difference.
To sum up, present invention firstly discovers that the carbon diene of chipal compounds Z3Z9-6,7- epoxy-ten eight levo form [(-)-
The carbon diene of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18] with the carbon triolefins of Z3Z6Z9- 18 compounding after to insect gathering effect more preferably,
And composition of the invention and lure are trapped for insect, when gathering effect stabilization, the field population density that is adapted to are low
The trapping of male moth, can effectively reduce Z3Z9-6, the consumption of the carbon diene optics raceme of 7- epoxies-ten eight, using less
In the case of [the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18], it is possible to good gathering effect.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this skill
The people of art, without departing from the spirit and scope of the present invention, can do various changes with modification, therefore protection model of the invention
Enclose being defined of being defined by claims.
Claims (10)
1. a kind of composition of tea geometrid sex pheromone, it is characterised in that the composition by the carbon triolefins of Z3Z6Z9- 18 and
The carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 is constituted.
2. composition according to claim 1, it is characterised in that in the composition carbon triolefins of Z3Z6Z9- 18 and
The mass ratio of the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 is 6:4~1:9.
3. a kind of composition of tea geometrid sex pheromone, it is characterised in that the composition is main by the carbon triolefins of Z3Z6Z9- 18
Constituted with the carbon diene of Z3Z9-6,7- epoxies-ten eight；Optical isomer (-) wherein in the carbon diene of Z3Z9-6,7- epoxies-ten eight-
The carbon diene of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18 accounts for more than the 60% of the carbon diene content of total Z3Z9-6,7- epoxies-ten eight.
4. composition according to claim 3, it is characterised in that optical isomer (-) in the composition-(3Z, 9Z,
6S, 7R) the carbon diene of -6,7- epoxies 18 account for the carbon diene content of total Z3Z9-6,7- epoxies-ten eight 60%~70%, 70%~
80%th, 80%~90%, 75%~95% or 90%~100%.
5. composition according to claim 3, it is characterised in that in the composition carbon triolefins of Z3Z6Z9- 18 and
The mass ratio of the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 is 6:4~1:9.
6. composition according to claim 3, it is characterised in that in the composition carbon triolefins of Z3Z6Z9- 18 and
The mass ratio of the carbon diene of Z3Z9-6,7- epoxies-ten eight is 4:6；Optics wherein in the carbon diene of Z3Z9-6,7- epoxies-ten eight is different
Structure body (-)-carbon diene of (3Z, 9Z, 6S, 7R) -6,7- epoxies 18 accounts for the carbon diene content of total Z3Z9-6,7- epoxies-ten eight
95%.
7. a kind of lure containing tea geometrid sex pheromone, it is characterised in that the lure is by any institute of claim 1~6
The composition stated is dissolved into solvent and is made into sex pheromone solution or is 6 by mass ratio:4~1:9 carbon of Z3Z6Z9- 18
Triolefin and the carbon diene of (-)-(3Z, 9Z, 6S, 7R) -6,7- epoxies 18 are dissolved into solvent and to obtain sex pheromone after mixing molten
Liquid, and sex pheromone solution is added in release vehicle.
8. composition according to claim 1, it is characterised in that composition total concentration is 1 μ in the sex pheromone solution
G/ml~1000 μ g/ml.
9. application of any described composition of claim 3~6 in terms of preparing lure or trapping insect.
10. it is a kind of to improve the method that tea geometrid sex pheromone traps performance, it is characterised in that methods described is to utilize claim
3~6 any described compositions are used as trapping bait.
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| CN114868753A (en) * | 2022-05-31 | 2022-08-09 | 中国农业科学院茶叶研究所 | Composition for attracting tea geometrid male worms, attracting core and application |
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