CN107593747B - Linalool and camphor-based active composition, chilo suppressalis attractant and application - Google Patents
Linalool and camphor-based active composition, chilo suppressalis attractant and application Download PDFInfo
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- CN107593747B CN107593747B CN201710789693.0A CN201710789693A CN107593747B CN 107593747 B CN107593747 B CN 107593747B CN 201710789693 A CN201710789693 A CN 201710789693A CN 107593747 B CN107593747 B CN 107593747B
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Abstract
The invention discloses an active composition based on linalool and camphor, which comprises the following components in parts by weight: 20-70 parts of linalool, 20-70 parts of camphor and 0-10 parts of tetradecane. The invention also comprises a Chilo suppressalis attractant formed by the active composition and the nonvolatile organic solvent, and a Chilo suppressalis attractant core for packaging the Chilo suppressalis attractant in the disorientation silk. The active composition provided by the invention can directly attract female moths and male moths of the chilo suppressalis, has higher control efficiency on the chilo suppressalis than that of a sex attractant, can be used for trapping and killing a large number of chilo suppressalis, can obviously reduce the number of field chilo suppressalis adults and reduce the population density of progeny. The method can also be applied to prediction and forecast of chilo suppressalis, and the pest trapping amount can accurately predict the occurrence dynamics of chilo suppressalis population.
Description
Technical Field
The invention relates to an attractant, in particular to an attractant for simultaneously attracting female moths and male moths of chilo suppressalis.
Background
Insect attractants are active substances produced by plants or artificially synthesized that have a behavioral attractant effect on specific insects. In the process of selecting insect hosts, the volatile substances of the special fingerprint spectrum of the plants play a critical role, and the effective components in the volatile substances can be applied to trapping and controlling pests.
US 4880624(a) describes the use of compounds such as dimethoxybenzene, trimethoxybenzene or guaiacol in combination with one or more of indole, phenylacetaldehyde, anethole, eugenol, cinnamaldehyde and cinnamonitrile as attractants for controlling insects of the leptinotarsa species. US 4600581(a) describes synthetic pheromone active compositions suitable for spread Soldier burg comprising a mixture of a-terpene alcohols, (E) -2-hexenal and benzyl alcohol. JP56087511 describes insect attractants suitable for Pine Tree Borers (Pine Tree Borers), Bark beetles (Bark beetles) and Wood Borers (Wood Borers) comprising a lubricating oil, a disinfectant and an attractant compound such as salicylaldehyde, isobutyl salicylate, n-butyraldehyde, benzyl salicylate, isoamyl salicylate, benzaldehyde, phenylacetaldehyde, methylphenylketone or n-nonanal. JP 59062504(a) describes an attractant active composition suitable for the melanogaster (Hylemia) species, said active composition comprising one or more of propionic acid, n-butyric acid, isobutyric acid, n-valeric acid, isovaleric acid, isocaproic acid and 2-phenylethanol.
Although the prior art literature describes the use of certain compounds or mixtures of compounds that are attractive to different insect species, it is clear from the diversity of the prior art that the particular compound or mixture of compounds employed for the attractants for different insect species is also different.
In the prior art, a sex attractant is mostly adopted to attract chilo suppressalis, and the action principle is to attract and kill male chilo suppressalis and interfere the mating between female chilo suppressalis and male chilo suppressalis, so that the mating chance of female chilo suppressalis is reduced, and the egg laying amount of female chilo suppressalis is reduced. But the attraction target only aims at the male striped rice borers, the mating frequency of the male striped rice borers in the whole life is 4-5 times, when the population quantity of the striped rice borers in the field is low, the better prevention and control effect can be exerted, and when the population density of the striped rice borers in the field is high, the prevention and control effect is limited. CN 104782594A discloses a compound attractant capable of attracting female and male moths of Chilo suppressalis simultaneously, but the attractant still needs to be matched with a sex attractant to achieve a good attraction effect, so that the manufacturing cost of the attractant is increased.
Disclosure of Invention
The invention aims to solve the primary technical problem of providing an active composition which has strong attraction effect and can trap female moths and male moths of chilo suppressalis simultaneously, and the formula is remarkably superior to a sex attractant in trapping and killing male moths.
The invention provides an active composition based on linalool and camphor, which comprises the following components in parts by weight: 20-70 parts of linalool, 20-70 parts of camphor and 0-10 parts of tetradecane.
Optionally, the active composition comprises the following components in parts by weight: 30-60 parts of linalool, 30-60 parts of camphor and 2-7 parts of tetradecane.
Preferably, the active composition comprises the following components in parts by weight: 42-54 parts of linalool, 39-51 parts of camphor and 3-5 parts of tetradecane.
Preferably, the active composition comprises the following components in parts by weight: 49.2 parts of linalool, 47.3 parts of camphor and 3.5 parts of tetradecane.
The invention also aims to provide the striped rice borer attractant which comprises any one of the active compositions for attracting striped rice borer male and female moths and the nonvolatile organic solvent.
Optionally, the non-volatile organic solvent is at least one or a mixture of more than two of liquid paraffin, mineral oil and sunflower oil, and the invention includes but is not limited to the above non-volatile organic solvents.
Optionally, the volume ratio of the mass of the active composition to the non-volatile organic solvent is 100-400 mg: 0.1-0.3 mL, preferably 200-300 mg: 0.15-0.25 mL.
The invention also aims to provide a chilo suppressalis attractant core, which comprises a piece of labyrinth wire with sealed two ends, wherein the labyrinth wire is internally sealed with the chilo suppressalis attractant. The using amount of the encapsulated Chilo suppressalis attractant is not particularly limited, and can be determined according to the attraction time of the Chilo suppressalis attractant.
Optionally, the Chilo suppressalis attractant packaged by the Chilo suppressalis attractant core comprises 100-400 mg of the active composition and 0.1-0.3 mL of a non-volatile organic solvent.
Preferably, the Chilo suppressalis attractant comprises 200-300 mg of the active composition and 0.15-0.25 mL of a non-volatile organic solvent.
Specifically, the active composition may be 120mg, 150mg, 190mg, 250mg, 270mg, 330mg, 360mg, 390 mg; the non-volatile organic solvent may be 0.1mL, 0.13mL, 0.18mL, 0.2mL, 0.22mL, 0.25mL, 0.27mL, 0.3 mL.
Optionally, the labyrinth filaments are made of one or both of polyethylene material and polypropylene plastic. The polyethylene material is preferably a high density polyethylene material, and the invention includes, but is not limited to, the above materials.
Optionally, the tube wall thickness of the disorientation silk is 0.01-0.1 mm, preferably 0.02-0.08 mm, and further preferably 0.04-0.06 mm.
The invention also aims to provide application of the Chilo suppressalis lure core, wherein the Chilo suppressalis lure core is placed in a trap to release the Chilo suppressalis attractant to trap female and male Chilo suppressalis moths.
Compared with the prior art, the invention has the following advantages:
the active composition for attracting the chilo suppressalis can simultaneously attract female moths and male moths, has higher control efficiency on the chilo suppressalis than that of a sex attractant, can be used for trapping and killing a large number of chilo suppressalis, can obviously reduce the number of field chilo suppressalis adults and reduce the population density of offspring insects. The Chilo suppressalis attractant and the lure provided by the invention can also be applied to prediction of Chilo suppressalis, and the pest trapping amount can accurately predict the occurrence dynamics of Chilo suppressalis population. The Chilo suppressalis attractant has strong specificity, does not generate resistance, has no harm to natural enemies, is nontoxic to people and livestock, and is environment-friendly; the stress resistance is strong, and the wind, the rain and the sunshine are not afraid; simple preparation, simple use and long lasting period.
Detailed Description
Some pests have significant preference for individual plants, and rational planting of these plants attracts pests to protect the main crop from damage, and such plants are called trap plants. The Vetiveria zizanioides has strong attraction effect on the chilo suppressalis, and the female moths of the chilo suppressalis are attracted and gathered to lay eggs on the Vetiveria, but the Vetiveria has the same strong attraction and aggregation effect on the male moths of the chilo suppressalis.
The volatile components of the vetiver grass are purified, separated and identified, and compared with the volatile substances of the rice, specific compounds and combinations of various compounds are provided, and through a large amount of indoor antenna potential physiological measurement and field verification, the 3 compounds can simultaneously attract female moths and male moths of chilo suppressalis, and the field attraction effect of the compound combination is superior to that of sex attractants sold in the market.
The invention provides an active composition based on linalool and camphor, which comprises the following components in parts by weight: 20-70 parts of linalool, 20-70 parts of camphor and 0-10 parts of tetradecane. The sources of linalool, camphor and tetradecane in the present invention are not particularly limited, and commercially available products may be used.
The Chilo suppressalis attractant comprises the active composition and a nonvolatile organic solvent. And mixing the active composition with the nonvolatile organic solvent to obtain the Chilo suppressalis attractant. The Chilo suppressalis attractant is packaged in the disorientation silk to obtain the Chilo suppressalis attractant core. The Chilo suppressalis lure core is placed in a trap to trap female and male Chilo suppressalis and is used for Chilo suppressalis stage prediction and mass trapping.
The present invention will be described in detail with reference to examples for better understanding the objects, technical solutions and advantages of the present invention, but they should not be construed as limiting the scope of the present invention.
Example 1
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: linalool 35.6 parts, camphor 60.2 parts and tetradecane 4.2 parts.
Example 2
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: linalool 25.6 parts, camphor 69.7 parts and tetradecane 4.7 parts.
Example 3
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: 37.2 parts of linalool, 56.3 parts of camphor and 6.5 parts of tetradecane.
Example 4
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: 49.0 parts of linalool, 47.5 parts of camphor and 3.5 parts of tetradecane.
Example 5
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: linalool 55.8 parts, camphor 37.2 parts and tetradecane 7.0 parts.
Example 6
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: 39.5 parts of linalool, 56.3 parts of camphor and 4.2 parts of tetradecane.
Example 7
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: linalool 51.2 parts, camphor 46.3 parts and tetradecane 2.5 parts.
Example 8
An active composition capable of simultaneously attracting female and male moths of chilo suppressalis comprises the following components in parts by weight: linalool 55.5 parts and camphor 44.5 parts.
Example 9
250mg of the active composition disclosed in the embodiments 1-8 of the invention is dissolved in 0.25mL of liquid paraffin to obtain the Chilo suppressalis attractant. The prepared Chilo suppressalis attractant is packaged in polyethylene tube disorientation filaments with sealed two ends to be used as a Chilo suppressalis attractant core. The tube wall thickness of the disorientation silk is 0.05 mm.
Example 10
150mg of the active composition of the invention in the embodiments 1-8 is dissolved in 0.2mL of sunflower oil to obtain the Chilo suppressalis attractant. The prepared Chilo suppressalis attractant is packaged in polypropylene tube disorientation filaments with sealed two ends to be used as a Chilo suppressalis attractant core. The tube wall thickness of the disorientation silk is 0.1 mm.
Example 11
350mg of the active composition disclosed in the embodiments 1-8 of the invention is dissolved in 0.3mL of mineral oil to obtain the Chilo suppressalis attractant. The prepared Chilo suppressalis attractant is packaged in high-density polyethylene tube disorientation filaments with sealed two ends to be used as a Chilo suppressalis attractant core. The tube wall thickness of the disorientation silk is 0.02 mm.
Example 12
To further illustrate the feasibility of the Chilo suppressalis attractant provided by the present invention, specific tests are described below.
In 2016, 25 th-6 th-15 th month, Chilo suppressalis attractant trapping effect test is carried out in Wucheng brook town of Jinhua city, Zhejiang province.
The striped rice field with the area of 200 mu and consistent rice variety, growth vigor and fertilizer and water management conditions is selected as a test field, and the striped rice borer luring cores with different formulas obtained in the embodiment 9 are fixed in the striped rice borer special-purpose trapper and are used for trapping striped rice borers. The Chilo suppressalis attractant of each formula is uniformly and randomly arranged at 10 points, and commercial sex attractant is used as a control. The number of the chilo suppressalis imagoes trapped every 3 days is investigated, and the investigation is continued for 50 days.
The test effect is as follows:
TABLE 1 attraction effect of Chilo suppressalis attractants with different formulas on Chilo suppressalis imagoes
Wherein the comparative example adopts Chilo suppressalis sex attractant provided by Ningbo nikon biotechnology limited to be disoriented to the lure core.
The test result shows that: the trapping amount of the male striped rice borers provided by the invention is obviously higher than that of the comparative example, a large amount of female striped rice borers can be trapped, and the sex attractant of the striped rice borers can only trap the male moths. The attractant provided by the invention has high trapping activity, and can improve the prediction accuracy of the emergence period of chilo suppressalis. Particularly, the attractant provided by the invention can trap a large number of male moths and female moths of the chilo suppressalis simultaneously, can reduce the number of field chilo suppressalis adults and reduce the population density of offspring insects, and has higher control efficiency than the chilo suppressalis sex attractant sold in the current market.
The chilo suppressalis attractant has strong specificity, does not generate resistance, does not harm natural enemies, is harmless to people and livestock, and is environment-friendly; the stress resistance is strong, and the wind, the rain and the sunshine are not afraid; simple preparation, simple use, long lasting period and lasting effect of the attractant activity on the chilo suppressalis for more than 50 days.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A Chilo suppressalis attractant is characterized by comprising an active composition and a non-volatile organic solvent; the active composition comprises the following components in parts by weight: 30-60 parts of linalool, 30-60 parts of camphor and 2-7 parts of tetradecane; the non-volatile organic solvent is one or a mixture of more than two of liquid paraffin, mineral oil and sunflower oil; the volume ratio of the mass of the active composition to the non-volatile organic solvent is 100-400 mg: 0.1-0.3 mL.
2. The Chilo suppressalis attractant as claimed in claim 1, wherein the active composition comprises the following components in parts by weight: 42-54 parts of linalool, 39-51 parts of camphor and 3-5 parts of tetradecane.
3. A Chilo suppressalis lure core, which is characterized by comprising a labyrinth wire with two sealed ends, wherein the labyrinth wire is internally sealed with the Chilo suppressalis attractant of any one of claims 1-2.
4. The Chilo suppressalis lure according to claim 3, wherein the material of the disorientation silk is one or both of polyethylene and polypropylene plastic.
5. The Chilo suppressalis lure according to claim 3 or 4, wherein the wall thickness of the labyrinth wire tube is 0.01-0.1 mm.
6. The application of the Chilo suppressalis lure core of any one of claims 3 to 5, characterized in that the Chilo suppressalis lure core is placed in a trap to release the Chilo suppressalis attractant to trap Chilo suppressalis female and male moths.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710789693.0A CN107593747B (en) | 2017-09-05 | 2017-09-05 | Linalool and camphor-based active composition, chilo suppressalis attractant and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710789693.0A CN107593747B (en) | 2017-09-05 | 2017-09-05 | Linalool and camphor-based active composition, chilo suppressalis attractant and application |
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| CN107593747A CN107593747A (en) | 2018-01-19 |
| CN107593747B true CN107593747B (en) | 2020-04-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428916A (en) * | 2011-09-23 | 2012-05-02 | 浙江省农业科学院 | Compound combination for trapping chilo suppressalis female moths and bait thereof |
| CN104782594A (en) * | 2015-02-03 | 2015-07-22 | 中国农业科学院植物保护研究所 | Composite attractant luring female and male moths of chilo suppressalis simultaneously and application of composite attractant |
| CN105062679A (en) * | 2015-08-12 | 2015-11-18 | 天津市双马香精香料新技术有限公司 | Essence capable of dispelling cats and dogs |
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- 2017-09-05 CN CN201710789693.0A patent/CN107593747B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428916A (en) * | 2011-09-23 | 2012-05-02 | 浙江省农业科学院 | Compound combination for trapping chilo suppressalis female moths and bait thereof |
| CN104782594A (en) * | 2015-02-03 | 2015-07-22 | 中国农业科学院植物保护研究所 | Composite attractant luring female and male moths of chilo suppressalis simultaneously and application of composite attractant |
| CN105062679A (en) * | 2015-08-12 | 2015-11-18 | 天津市双马香精香料新技术有限公司 | Essence capable of dispelling cats and dogs |
Non-Patent Citations (1)
| Title |
|---|
| 水稻挥发物与二化螟性信息素对二化螟的协同作用;左文;《中国优秀硕士学位论文全文数据库农业科技辑》;20071015(第4期);参见第21-23页 * |
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