CN102125036A - Composition of Ectropis oblique sex pheromone, lure of composition and use method of lure - Google Patents
Composition of Ectropis oblique sex pheromone, lure of composition and use method of lure Download PDFInfo
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- 239000000877 Sex Attractant Substances 0.000 title claims abstract description 53
- 241001046947 Ectropis obliqua Species 0.000 title claims abstract description 38
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 14
- 241001122767 Theaceae Species 0.000 claims abstract description 22
- 241000238631 Hexapoda Species 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- -1 carbon diene Chemical class 0.000 claims description 14
- 230000003203 everyday effect Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 230000002265 prevention Effects 0.000 abstract description 5
- 241000607479 Yersinia pestis Species 0.000 abstract description 3
- 239000000575 pesticide Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 14
- 239000000243 solution Substances 0.000 description 9
- 239000003905 agrochemical Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 2
- 240000003553 Leptospermum scoparium Species 0.000 description 2
- 235000015459 Lycium barbarum Nutrition 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000048879 Funtumia elastica Species 0.000 description 1
- 241001634830 Geometridae Species 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003016 pheromone Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
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Abstract
The invention belongs to the technical field of Ectropis oblique prevention and cure, and in particular relates to a composition of Ectropis oblique sex pheromone, a lure of the composition and a use method of the lure. The composition of Ectropis oblique sex pheromone is composed of Z3Z6Z9-gadusene and Z3Z9-6,7-epoxy-octadecadienoic acid at the ratio of 6:(4-1):9; the above compositions are mixed to obtain a sex pheromone solution; the sex pheromone solution is added into a releasing carrier to obtain the lure; the obtained lure is fixed on an insect sticking plate to obtain a trapper; and the trapper is arranged in a tea garden and is positioned higher than the top end of a tea tent. The composition of Ectropis oblique sex pheromone and the lure of the composition have strong specifity on the male moth of the Ectropis oblique. According to the invention, the maximum occurrence period of insect pests can be effectively monitored to avoid blindly spray pesticide; in addition, the composition of Ectropis oblique sex pheromone and the lure have a better prevent and cure effect and can effectively protect and utilize the natural enemies of the insect pests.
Description
Technical field
The invention belongs to the Prevention Technique field of tea geometrid, the using method that is specifically related to a kind of composition of tea geometrid sex pheromone and lures core and lure core.
Background technology
Tea geometrid belongs to Lepidoptera, Geometridae, branch geometrid moth subfamily, is China important tea tree insect in southeast tea district.With larva food leaf is the main harm mode, can be with tea leaf and tender shoots eat everything up when breaking out.The main method of control tea geometrid still adopts organic agricultural chemicals to prevent and treat at present, but a large amount of for many years organic agricultural chemicals that uses has brought consequences such as the minimizing of natural enemy quantity, pest resistance to insecticide enhancing, environmental pollution and tea products residue of pesticide exceed standard.For the Chinese tea industry, just press for and take the biological control technology to reduce the use of agricultural chemicals.
Summary of the invention
One of purpose of the present invention provides a kind ofly to be had the better prevention effect and possesses the composition of the tea geometrid sex pheromone of stronger single trapping performance tea geometrid.
For achieving the above object, the present invention has adopted following technical scheme: a kind of composition of tea geometrid sex pheromone, this composition is by Z3Z6Z9-18 carbon triolefin and Z3Z9-6,7-epoxy-18 carbon diene constitutes, and Z3Z6Z9-18 carbon triolefin and Z3Z9-6, the mass ratio of 7-epoxy-18 carbon diene is 6: 4～1: 9.
Two of purpose of the present invention provides a kind of core that lures that tea geometrid is had better prevention effect and the tea geometrid sex pheromone that possesses stronger single trapping performance.
For achieving the above object, the present invention has adopted following technical scheme: Z3Z6Z9-18 carbon triolefin and the Z3Z9-6 that with mass ratio are 6: 4～1: 9, obtain sex pheromone solution after 7-epoxy-18 carbon diene mixes, and described sex pheromone solution joined promptly to get in the release vehicle lure core.
Z3Z6Z9-18 carbon triolefin and Z3Z9-6,7-epoxy-18 carbon diene is mixed with multiple implementation mutually, such as adopting the two is dissolved in the n-hexane, and n-hexane volatilizees, and the latter two promptly mix.
Three of purpose of the present invention provides a kind of using method that lures core about above-mentioned tea geometrid sex pheromone.
For achieving the above object, the present invention has adopted following technical scheme: a kind of using method that lures core of tea geometrid sex pheromone comprises the steps:
1), be 6: 4～1: 9 Z3Z6Z9-18 carbon triolefin and Z3Z9-6 with mass ratio, 7-epoxy-18 carbon diene is dissolved in the solvent obtaining sex pheromone solution, and described sex pheromone solution joined promptly to get in the release vehicle lures core;
2), above-mentioned gained lured core to be fixed on to be coated with on the insect-sticking plate of insect sticker to make trapper, trapper is evenly arranged in the tea place, and makes the position of trapper be higher than tea paulin top to get final product.
Solvent in the technique scheme has multiple choices, such as adopting n-hexane.
Beneficial effect of the present invention is: the composition of the tea geometrid sex pheromone among the present invention and lure core that the male moth of tea geometrid is had very strong selectivity, and to all not trapping effects of insect of the female moth of tea geometrid and other kind.Utilize the tea geometrid sex pheromone this tea tree insect of field, tea place trapping tea geometrid, not only can monitor the insect occurrence in peak period effectively, avoid blindly spraying medicine, and have the better prevention effect, can also protect and utilize the natural enemy of insect effectively.
Embodiment
Below in conjunction with specific embodiment the present invention is further elaborated.
1, the constituent of sex pheromone
Test two kinds of used n-compound Z3Z6Z9-, 18 carbon triolefin (Z3Z6Z9-18Hy) and Z3Z9-6,7-epoxy-18 carbon diene (Z3Z9-6,7epo-18Hy) synthetic by the laboratory, purity is higher than 98%, and the solvent of dilution above-claimed cpd adopts and heavily steams n-hexane.
2, lure core
The tubular rubber stopper of selecting end sealing is as the sex pheromone carrier, green, and diameter 0.8cm, high 1.2cm, volume are 500 μ l.Rubber stopper dries after cleaning with n-hexane and carrene respectively naturally.The rubber stopper of the above-mentioned processing of process is as the sex pheromone release vehicle.
Preparation lures core before the test.According to test requirements document, the constituent of sex pheromone is mixed with the hexane solution of setting concentration according to the mass ratio of setting, quantitatively add in the inner chamber of rubber stopper with syringe then, treat n-hexane volatilization back lure core, pack in the plastic sack that seals, different quality proportionings is put in respectively in the different plastic sacks with concentration, and sealing low temperature is preserved.Only drip n-hexane with the rubber stopper that compares, do not contain sex pheromone.
3, trapper
Lure central authorities that core is fixed on insect-sticking plate to make trapper with above-mentioned, the insect-sticking plate specification is 30cm * 40cm cardboard.Smear a certain amount of insect sticker above, insect-sticking plate is fixed on the bamboo pole.
4, field investigation
Field trial is set up an office on tea plantation, Qianshan County buried hill, Anhui Province in June, 2009 and is carried out.Select area to be approximately 1200m
23 in rectangle tea place, in each test tea place the trapper of different disposal with the checkerboard randomized arrangement, trapper insert in tea fluffy in, be higher than the fluffy 20cm of tea, distance interval 20m between the trapper.At dusk put into the tea place with trapper every day, collects trapper early morning on next day and add up induced moth number, changes insect-sticking plate every day.
5, lure the core ratio
The core that lures of Gou Chenging lures the moth activity test in the field in varing proportions.Earlier with Z3Z6Z9-18Hy, Z3Z9-6,7epo-18Hy two components are mixed with the solution of 100 μ g/ml with n-hexane, are mixed with the duality pheromones component solution of different proportion by test requirements document, 100 μ l sex pheromone drips of solution are added to lure in the core then.
Z3Z6Z9-18Hy, Z3Z9-6,7epo-18Hy two components are prepared in following ratio:
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝10∶0
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝8∶2
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝6∶4
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝5∶5
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝4∶6
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝2∶8
Z3Z6Z9-18Hy∶Z3Z9-6，7epo-18Hy＝0∶10
With 10 female moth sex pheromone extracts (10EF) and n-hexane solvent (not containing sex pheromone) in contrast.The same core that lures is reused four days, add up four days on average lure the moth number and day the highest moth number that lures.
Result of the test sees Table 1
The field of table 1 tea geometrid sex pheromone lures moth activity (2009.6.24-6.27)
| Lure the core ratio | Average induced moth number (head/day) | Day the highest moth number (head) that lures |
| 10∶0 | 1.5±0.3d | 2 |
| 8∶2 | 1.5±1.0d | 6 |
| 6∶4 | 6±2.9c | 17 |
| 5∶5 | 28±9.1ab | 39 |
| 4∶6 | 18.5±7.6b | 56 |
| 2∶8 | 35±10.3a | 92 |
| 10∶0 | 3±1.0cd | 8 |
| Sexual gland extract 10EF | 0.5±0.1d | 1 |
| N-hexane ck | 0±0.0d | 0 |
Annotate: numeral is M ± SE in the table, and letter is a multiple ratio assay, and different letter representations are significant difference on 0.05 level.
Result of the test shows that there is notable difference (seeing Table 1) in the different compositions that lure component in the core of sex pheromone to the trapping effect of the male moth of tea geometrid.Lure core the luring in the moth activity test of field with what different proportionings constituted, Z3Z6Z9-18Hy: Z3Z9-6,7epo-18Hy=2: lured the moth activity the highest at 8 o'clock, and on average lured 35 male moths every day, Gao Ri reaches 92; The proportioning of 5: 5 and 4: 6 also has the good moth activity that lures, and lure 28 and 18 average every day respectively.Sex pheromone one-component (being that proportioning is that 10: 0 and 0: 10 two groups lure the core ratio) also can lure male moth on a small quantity in field experiment in addition.The sex pheromone extract lures the moth effect relatively poor, lures moth to have only 0.5 in average day, and the solvent control group does not lure male moth.
6, lure core dosage
Lure the moth activity test in the field with the different cores that lures that lures core dosage to constitute.Select two components by Z3Z6Z9-18Hy: Z3Z9-6 according to above ratio test result, 7epo-18Hy=2: 8 same ratio proportioning, be made into 500 μ g/ml, 100 μ g/ml, 10 μ g/ml, 1 μ g/ml, five concentration of 0.1 μ g/ml, then 100 μ l sex pheromone drips of solution be added in the rubber stopper.Lure the dosage of core to be respectively 50 μ g, 10 μ g, 1 μ g, 0.1 μ g, 0.01 μ g, every kind of 3 groups of tests of dosage design iterations that lure core.
Result of the test sees Table 2
The influence (2009.6.28) of table 2 tea geometrid sex pheromone dosage to luring the moth activity
| Lure core dosage (μ g) | Lure moth sum (head) | Average induced moth number (head/plate) |
| 50 | 73 | 24.3±9.8ab |
| 10 | 85 | 26.6±5.2a |
| 1 | 61 | 20.3±7.4b |
| 0.1 | 6 | 2.0±0.6c |
| 0.01 | 2 | 0.6±0.1cd |
Annotate: numeral is M ± SE in the table, and letter is a multiple ratio assay, and different letter representations are significant difference on 0.05 level.
The result shows, lures the content of sex pheromone in the core to luring the moth activity tangible influence (seeing Table 2) to be arranged, and when the content of sex pheromone increased in luring core, marked change can take place the trapping amount.When dosage was 10 μ g, average trapping amount was the highest, reaches 26.6, can trap 85 altogether; Average trapping amount when dosage is 50 μ g and 1 μ g is low slightly, on average is respectively 24.3 and 20.3.This shows, be used for the land for growing field crops and lure the dosage of collection best in 10 μ g left and right sides effects.
7, trapper placement direction and luring the core life-span
Because insect-sticking plate is the rectangle cardboard, can be in tea be fluffy level or vertical the placement, for the effect of determining placement location and the service life of determining to lure core, with two component Z3Z6Z9-18Hy: Z3Z9-6,7epo-18Hy=2: 8 proportionings, luring core dosage is that 10 μ g also all design 2 groups, is respectively horizontal positioned trapper and vertical placement trapper.Trapper is put in the field and adds up induced moth number every day.Every kind of placement direction repeats twice.
Result of the test sees Table 3
Table 3 trapper placement direction and lure the core life-span to luring the influence of moth effect
As shown in Table 3, the trapper of horizontal positioned lures that the moth effect is more stable to be not easy to be subjected to such environmental effects, and the vertical trapper wind-engaging of placing is bigger to influence, and can lure the male moth that collects a large amount of (see Table in 3 June 23 lured moth quantity) when trapper is in weather.
In addition, (promptly by June 23 to June 27) all kept the higher relatively moth activity that lures to lure core to lure moth continuously five days.Lure core still to have the moth of luring effect after preserving one month, the visibility information element is more stable in luring core, is difficult for degraded.
Claims (10)
1. the composition of a tea geometrid sex pheromone, it is characterized in that: this composition is by Z3Z6Z9-18 carbon triolefin and Z3Z9-6,7-epoxy-18 carbon diene constitutes, and Z3Z6Z9-18 carbon triolefin and Z3Z9-6, and the mass ratio of 7-epoxy-18 carbon diene is 6: 4～1: 9.
2. the composition of tea geometrid sex pheromone according to claim 1 is characterized in that: described Z3Z6Z9-18 carbon triolefin and Z3Z9-6, the mass ratio of 7-epoxy-18 carbon diene is 5: 5～2: 8.
3. a tea geometrid sex pheromone lures core, it is characterized in that: Z3Z6Z9-18 carbon triolefin and the Z3Z9-6 that with mass ratio are 6: 4～1: 9,7-epoxy-18 carbon diene obtains sex pheromone solution after being dissolved in the solvent and mixing, and promptly gets after joining described sex pheromone solution in the release vehicle and lure core.
4. tea geometrid sex pheromone according to claim 3 lure core, it is characterized in that: described release vehicle is the tubular rubber stopper of end sealing, and described sex pheromone solution is injected in the inner chamber of rubber stopper by micro syringe.
5. according to the core that lures of claim 3 or 4 described tea geometrid sex pheromones, it is characterized in that: described Z3Z6Z9-18 carbon triolefin and Z3Z9-6, the gross mass of 7-epoxy-18 carbon diene is 1～50 μ g.
6. tea geometrid sex pheromone according to claim 5 lure core, it is characterized in that: described Z3Z6Z9-18 carbon triolefin and Z3Z9-6, the gross mass of 7-epoxy-18 carbon diene is 10 μ g.
7. the using method that lures core of the described tea geometrid sex pheromone of claim 3 is characterized in that:
1), be 6: 4～1: 9 Z3Z6Z9-18 carbon triolefin and Z3Z9-6 with mass ratio, 7-epoxy-18 carbon diene is dissolved in the solvent obtaining sex pheromone solution, and promptly gets after joining described sex pheromone solution in the release vehicle and lure core;
2), above-mentioned gained lured core to be fixed on to be coated with on the insect-sticking plate of insect sticker to make trapper, trapper is evenly arranged in the tea place, and makes the position of trapper be higher than tea paulin top to get final product.
8. the using method that lures core of tea geometrid sex pheromone according to claim 7, it is characterized in that: in step 1), with Z3Z6Z9-18 carbon triolefin and Z3Z9-6,7-epoxy-18 carbon diene is dissolved in the n-hexane, preparation obtains the sex pheromone solution of 1～500 μ g/ml concentration, in each release vehicle, add 100 μ l sex pheromone solution then, treat promptly to get after the n-hexane volatilization and lure core.
9. according to the using method that lures core of claim 7 or 8 described tea geometrid sex pheromones, it is characterized in that: described trapper is put into the tea place at dusk in every day, and collects trapper in early morning on next day, and changes insect-sticking plate every day; Described each trapper is higher than 20 centimetres on tea paulin top, and the spacing between each trapper is 20 meters;
Perhaps described trapper is put into the tea place till sticking the male moth of tea geometrid on the insect-sticking plate.
10. the using method that lures core of tea geometrid sex pheromone according to claim 9 is characterized in that: the plate face and the horizontal plane of described insect-sticking plate are perpendicular, and insect-sticking plate is arranged on the upwind place in tea place.
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| CN103314962A (en) * | 2013-06-19 | 2013-09-25 | 中国农业科学院茶叶研究所 | Tea geometrid imago attractant and preparation method of lure with same |
| CN105052924A (en) * | 2015-09-07 | 2015-11-18 | 山西农业大学 | Apocheima cinerarius erschoff sex attractant |
| CN105660564A (en) * | 2016-02-25 | 2016-06-15 | 无锡市鑫域生物科技有限公司 | Tea geometrid parasitic wasp field trapping method |
| CN105685041A (en) * | 2016-01-13 | 2016-06-22 | 中国农业科学院茶叶研究所 | Application of pheromone composition to controlling ectropis grisescens |
| CN105815317A (en) * | 2016-04-21 | 2016-08-03 | 中国农业科学院茶叶研究所 | Sex attractant for male worms of ectropis grisescens warrens and preparation method of lure containing sex attractant |
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| CN103314962B (en) * | 2013-06-19 | 2014-07-02 | 中国农业科学院茶叶研究所 | Tea geometrid imago attractant and preparation method of lure with same |
| CN105052924A (en) * | 2015-09-07 | 2015-11-18 | 山西农业大学 | Apocheima cinerarius erschoff sex attractant |
| CN105685041A (en) * | 2016-01-13 | 2016-06-22 | 中国农业科学院茶叶研究所 | Application of pheromone composition to controlling ectropis grisescens |
| CN105685041B (en) * | 2016-01-13 | 2019-03-19 | 中国农业科学院茶叶研究所 | A kind of pheromone compositions are preventing and treating the application in grey tea geometrid |
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| CN106689133B (en) * | 2016-11-18 | 2019-02-12 | 安徽农业大学 | A kind of composition and its lure of tea geometrid sex pheromone |
| CN106689133A (en) * | 2016-11-18 | 2017-05-24 | 安徽农业大学 | Tea geometrid sex pheromone composition and lure thereof |
| CN107751251A (en) * | 2017-11-02 | 2018-03-06 | 信阳农林学院 | It is a kind of based on purposes of the non-host plant volatile matter as tea geometrid attractant |
| CN107751251B (en) * | 2017-11-02 | 2020-05-26 | 信阳农林学院 | Application of non-host plant volatile matter as tea geometrid attractant |
| CN111406744A (en) * | 2020-04-29 | 2020-07-14 | 中国农业科学院茶叶研究所 | General sex pheromone composition for ectropis obliqua and tea caterpillar, sex attractant, and preparation method and application thereof |
| CN113243364A (en) * | 2021-04-25 | 2021-08-13 | 山东大学 | Application of compound octadecatriene as EoOR33 ligand |
| CN113243364B (en) * | 2021-04-25 | 2022-03-22 | 山东大学 | Application of compound octadecatriene as EoOR33 ligand |
| CN113632793A (en) * | 2021-08-17 | 2021-11-12 | 常州大学 | Efficient compound lure of tea geometrid and gray tea geometrid |
| WO2023019663A1 (en) * | 2021-08-17 | 2023-02-23 | 常州大学 | Efficient compound lure for ectropis obliqua and ectropis grisescens warren |
| US11820750B2 (en) | 2021-08-17 | 2023-11-21 | Changzhou University | High efficient sex pheromone lures for Ectropis oblique and Ectropis grisescens |
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Application publication date: 20110720 |