CN107279138B - Sex attractant for cochleariae armyworms and application thereof - Google Patents
Sex attractant for cochleariae armyworms and application thereof Download PDFInfo
- Publication number
- CN107279138B CN107279138B CN201710402472.3A CN201710402472A CN107279138B CN 107279138 B CN107279138 B CN 107279138B CN 201710402472 A CN201710402472 A CN 201710402472A CN 107279138 B CN107279138 B CN 107279138B
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- cis
- hexadecene
- sex attractant
- sex
- acetate
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Classifications
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- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
-
- 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
- A01M1/10—Catching insects by using Traps
- A01M1/106—Catching insects by using Traps for flying 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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
Abstract
The invention discloses a sex attractant for cochleariae deltoidea and application thereof. Comprises one or more of cis-11-hexadecene acetate, cis-11-hexadecenol, and hexadecene acetate. The sex attractant for the noctuids provided by the invention is simple to prepare and easy to obtain raw materials; has strong trapping ability, good stability and long lasting period, and the prevention and treatment effect can be maintained for more than 30 days; strong specificity, and can not make the Spodoptera litura generate resistance; is harmless to human and livestock and environment-friendly; strong stress resistance and convenient use. The invention can be accurately applied to insect condition prediction, mating interference and mass trapping, and has important significance for comprehensively treating the Spodoptera litura.
Description
Technical Field
The invention belongs to the technical field of insect sex pheromone preparation, and particularly relates to a sex attractant for noctuids and application thereof.
Background
The scotographa trifolii rottempberg belongs to Lepidoptera (Lepidotera) and Noctuidae (Noctuidae), is an agricultural pest which is locally outbreak to be harmful in northern agricultural and pastoral areas of China, and the harm gradually rises in recent years. The larvae have the characteristics of concealment, outbreak, migration hazard and the like, and host crops comprise more than 8 crops of cotton, wheat, corn and the like, wherein the host crops comprise more than 20 crops and more than 20 weeds, and the crops are distributed in provinces and autonomous regions of Xinjiang, Tibet, Qinghai, Hebei and the like in China. Most of the larvae feed on the backs of the leaves, the young larvae often feed on mesophyll on the backs of the leaves, only the upper and lower epidermis are left to be in a window film shape, the 2-3 instar larvae can bite the leaves into the notches, the old larvae often cause large holes or eat the mesophyll of the whole leaf, and only petioles and veins are left. When the pests are seriously damaged, the yield is seriously reduced, even crops can be eaten as polished rods, and the seeds are damaged. It has been reported that Spodoptera litura has a certain migration habit, and the migration pest is difficult to control because of its characteristic of shadowless and traceless removal.
At present, the methods for preventing and controlling the pests mainly comprise agricultural prevention and control, pest occurrence reduction through adjusting planting structures and the like, light trapping and killing, and chemical agent prevention and control. The use of chemical agents for control without thorough understanding of the biological habits of pests can pollute the environment, destroy natural enemies and ecosystems, and have unstable control effects, and the control effects of other methods cannot be controlled to the maximum extent during the outbreak of pests, and no effective method for fundamentally controlling the occurrence is available. In the face of the above problems, biological control can be a sustainable control means. According to the principle that sex pheromone released by female insects has strong attraction capacity to the same kind of male insects, the components and the proportion of the sex pheromone of female spodoptera spinosa can be definitely and accurately applied to insect condition prediction, mating interference and mass trapping, and the ideal effect of comprehensively treating the spodoptera spinosa is achieved.
Disclosure of Invention
The invention aims to provide a sex attractant for noctuids spin and an application thereof, so as to improve the effect of comprehensively treating the noctuids spin.
A sex attractant for Polo-Veno-laevis comprises one or more of cis-11-hexadecene acetate, cis-11-hexadecenol, and hexadecene acetate.
The sex attractant for the whirly moth comprises 50-85 wt% of cis-11-hexadecene acetate, 10-50 wt% of cis-11-hexadecenol and 1-5 wt% of hexadecene acetate.
A method for preparing sex attractant for the whirly moth comprises mixing cis-11-hexadecene acetate, cis-11-hexadecene alcohol and hexadecene acetate, dissolving with volatile solvent, dripping into rubber head, and evaporating to remove solvent to obtain the core.
The volatile solvent is dichloromethane, trichloromethane, tetrachloromethane, n-hexane or n-pentane.
A method for preparing sex attractant for the whirly moth comprises mixing cis-11-hexadecene acetate, cis-11-hexadecene alcohol and hexadecene acetate, dissolving with nonvolatile solvent, adding into polyethylene bottle, and sealing to obtain the sex attractant.
The nonvolatile solvent is liquid paraffin, chlorinated paraffin, peanut oil, sunflower seed oil, dimethyl sulfoxide or N, N-dimethylformamide.
The sex attractant for the noctuidae is used for monitoring the insect situation of the noctuidae, largely trapping and interfering mating.
When the sex attractant is applied, the trapper fixed with the sex attractant for the Spodoptera spinosa is hung in an area where the Spodoptera spinosa occurs or is likely to occur, and is used for monitoring the pest situation of the Spodoptera spinosa, trapping a large amount of insects and disturbing mating. The trap is one of a sticky trap, a boat-shaped trap, a triangular trap, a barrel-shaped trap and a basin-shaped trap.
Compared with the prior art, the invention has the following beneficial effects: the sex attractant for the noctuids provided by the invention is simple to prepare and easy to obtain raw materials; has strong trapping ability, good stability and long lasting period, and the prevention and treatment effect can be maintained for more than 30 days; strong specificity, and can not make the Spodoptera litura generate resistance; is harmless to human and livestock and environment-friendly; strong stress resistance and convenient use. The invention can be accurately applied to insect condition prediction, mating interference and mass trapping, and has important significance for comprehensively treating the Spodoptera litura.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Example 1 preparation of sex attractant for Polidophysa thysana
The formulations of different sex attractants for scolopsis hyalocrocis (inverted mouth rubber lure and polyethylene bottle lure) are shown in table 1.
Mixing cis-11-hexadecene acetate, cis-11-hexadecene alcohol and hexadecene acetate according to different proportions (the total amount is 1000 mug), dissolving with 1mL of n-hexane, dripping into 1mL of a reverse rubber head, and air drying to obtain the sex attractant core for the whirly moth.
Mixing cis-11-hexadecene acetate, cis-11-hexadecene alcohol and hexadecene acetate according to different proportions (the total amount is 1000 μ g), dissolving with 1mL of chlorinated paraffin, adding into 1mL of polyethylene bottle, and sealing to obtain the sex attractant core for the noctuid.
1 different formula of sex attractant for noctuid
Example 2 sex attractant for Polish moth (reverse rubber lure) field test
Selecting a connected cotton field with consistent cotton variety, growth vigor and fertilizer and water management conditions, an area of more than 10 mu and a serious emergence situation of Spodoptera gyrocoptera as a test field, mixing a Spodoptera gyrocoptera sex attractant with a solvent (n-hexane), adding the mixed solution into a rubber head attractant core, placing the attractant core into a barrel-shaped trapper after the solvent is completely volatilized, uniformly arranging barrel-shaped trappers of 20 formula sex attractants in example 1, setting 5 times of repetition for each treatment, and randomly placing 5 light trappers, a blank barrel-shaped trapper and a barrel-shaped trapper containing live female Spodoptera gyrocoptera which is not mated for 3-5 days and has three feathering.
In order to ensure the release effect, 100-1500 mu g of sex attractant for the gloriomydia spinosa is put into each 1mL of rubber attraction core, and the average distance between traps is more than 10 m. After the placement, the number of the trapped male helicoverpa exigua is investigated every three days, meanwhile, the female helicoverpa exigua is replaced, trapping positions are replaced randomly, and the investigation is continued for 30 days. The test results are shown in table 2.
TABLE 2 field test results of sex attractant for Polo noctuid (reverse mouth rubber lure)
The test result shows that: the total trapping amount and the average trapping amount of the 20 groups of formulas of the noctuid attractant are obviously higher than those of lamplight and female insects, wherein the formula 18 (830 mu g of cis-11-hexadecene acetate, 160 mu g of cis-11-hexadecenol and 10 mu g of hexadecene acetate in a ratio of 83:16:1) has the best effect.
Example 3 sex attractant for Polo-mystis noctuidae (polyethylene bottle lure) field test
Selecting a connected cotton planting area with consistent cotton variety, growth vigor and fertilizer and water management conditions, more than 10 mu of area and serious occurrence of Spodoptera gyrocoptera as a test field, mixing a Spodoptera gyrocoptera sex attractant with a solvent (chlorinated paraffin), adding the mixed solution into a polyethylene bottle, sealing, placing an attraction core in a barrel-shaped trapper, and then placing the trapper in a plot with serious occurrence of Spodoptera gyrocoptera. 5 barrel-shaped traps with the formula attractant in example 1 were set up and evenly distributed for each treatment, and 5 light traps, blank barrel-shaped traps, and barrel-shaped traps containing live female spodoptera littoralis which had not been mated for 3-5 days with three-headed emergence were randomly placed. 200mL of aqueous solution containing 1% Tween 80 was added to all barrel-shaped traps to prevent trapped Heliothis volubilis from escaping.
In order to ensure the release effect, 100-1500 mu g of sex attractant for the gloriomydia spinosa is put into each 1mL of rubber attraction core, and the average distance between traps is more than 10 m. After the placement, the number of the induced male Heliothis virescens is investigated every three days, meanwhile, the female Heliothis virescens and the Tween 80 aqueous solution in the trap are replaced, the trapping positions are randomly replaced, and the investigation is continued for 30 days. The test results are shown in table 3.
TABLE 3 sex attractant for Heliothis spinosa (polyethylene bottle core)
The test result shows that: the total trapping amount and the average trapping amount of the 20 groups of formulas of the noctuid attractant are obviously higher than those of lamplight and female insects, wherein the formula 18 (833 mu g of cis-11-hexadecene acetate, 167 mu g of cis-11-hexadecenol and 10 mu g of hexadecene acetate in a ratio of 83:16:1) has the best effect.
Therefore, the sex attractant for the Spodoptera spinosa provided by the invention can be accurately applied to the forecast of the insect situation of the Spodoptera spinosa, the mass trapping and the interference mating, and has important significance for the comprehensive control of the Spodoptera spinosa.
The inventor adopts cis-11-hexadecene propionate, trans-11-hexadecenol, hexadecene propionate and trans-11-hexadecene acetate as trapping agents respectively to repeat the trapping experiments, and the trapping effect is not generated, so that the compounds with similar structures can not replace the compounds, and the compounds disclosed by the invention have strong specificity.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (7)
1. A sex attractant for cochleariae deltoidea is characterized in that 1000 mug of the sex attractant comprises cis-11-hexadecene acetic ester, cis-11-hexadecenol and hexadecene acetic ester, and the mass of the cis-11-hexadecene acetic ester is 800 mug, 170 mug and 30 mug respectively;
or 1000 μ g of sex attractant comprises 830 μ g of cis-11-hexadecene acetate, 160 μ g of cis-11-hexadecenol, and 10 μ g of hexadecene acetate.
2. The method for preparing the lure according to claim 1, wherein the cis-11-hexadecene acetate, the cis-11-hexadecene alcohol and the hexadecene acetate are mixed, dissolved by a volatile solvent, dropped into the rubber head, and the lure is obtained after the solvent is evaporated.
3. The method for preparing the lure according to claim 2, wherein the volatile solvent is dichloromethane, chloroform, tetrachloromethane, n-hexane or n-pentane.
4. The method for preparing the lure according to claim 1, wherein cis-11-hexadecene acetate, cis-11-hexadecene alcohol and hexadecene acetate are mixed, dissolved in a nonvolatile solvent, added to a polyethylene bottle, and sealed to obtain the lure.
5. The method for preparing the lure according to claim 4, wherein the non-volatile solvent is liquid paraffin, chlorinated paraffin, peanut oil, sunflower seed oil, dimethyl sulfoxide or N, N-dimethylformamide.
6. Use of sex attractant noctuid according to claim 1 for monitoring the sex of noctuid, trapping and disrupting mating in large quantities.
7. Use of a lure made from a sex attractant for noctuids according to any one of claims 2 to 5 for monitoring the sex of noctuids, trapping and disrupting mating in large quantities.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710402472.3A CN107279138B (en) | 2017-06-01 | 2017-06-01 | Sex attractant for cochleariae armyworms and application thereof |
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| CN201710402472.3A CN107279138B (en) | 2017-06-01 | 2017-06-01 | Sex attractant for cochleariae armyworms and application thereof |
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| CN107279138A CN107279138A (en) | 2017-10-24 |
| CN107279138B true CN107279138B (en) | 2020-10-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107711836A (en) * | 2017-11-13 | 2018-02-23 | 中国农业科学院植物保护研究所 | A kind of wasp fly traps composition and its application |
| CN107950529B (en) * | 2017-12-07 | 2020-07-31 | 中国农业科学院植物保护研究所 | Spodoptera nutans trapping and killing composition and preparation method of nano preparation thereof |
| CN110934140B (en) * | 2019-12-13 | 2021-04-30 | 中国农业科学院植物保护研究所 | Sex pheromone analogue disorientation technology for preventing and treating Spodoptera litura |
| CN114052020B (en) * | 2021-11-19 | 2023-04-07 | 中捷四方生物科技股份有限公司 | Application of insect sex pheromone cis-11-hexadecene aldehyde analogue |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123718A (en) * | 2015-08-21 | 2015-12-09 | 中国农业科学院植物保护研究所 | Reverse sex pheromone for prevention and control of plutella xylostella l. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101347132B (en) * | 2008-09-02 | 2010-09-15 | 广东省昆虫研究所 | Attractant for diamondback moth |
| CN102578424B (en) * | 2012-03-14 | 2013-05-08 | 中国农业科学院植物保护研究所 | Artificial feed for scotogramma trifolii as well as preparation method and application of same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105123718A (en) * | 2015-08-21 | 2015-12-09 | 中国农业科学院植物保护研究所 | Reverse sex pheromone for prevention and control of plutella xylostella l. |
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Granted publication date: 20201027 |