CN110583651A - Sex attractant and lure core for attracting prodenia litura - Google Patents
Sex attractant and lure core for attracting prodenia litura Download PDFInfo
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- CN110583651A CN110583651A CN201910918875.2A CN201910918875A CN110583651A CN 110583651 A CN110583651 A CN 110583651A CN 201910918875 A CN201910918875 A CN 201910918875A CN 110583651 A CN110583651 A CN 110583651A
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- sex attractant
- cis
- acetate
- prodenia litura
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- 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
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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
- A01M2200/00—Kind of animal
- A01M2200/01—Insects
- A01M2200/012—Flying insects
Abstract
The invention provides a sex attractant and a lure for attracting prodenia litura, and relates to the technical field of insect sex attractants. The active ingredients of the sex attractant provided by the invention comprise the following components in parts by weight: 90-100 parts of cis-9, trans-11-tetradecadienol acetate, 8-12 parts of cis-9, trans-12-tetradecadienol acetate and 0.01-3 parts of cis-11-hexadecadienol acetate. The sex attractant provided by the invention has the advantages of obvious attracting effect on prodenia litura, safety to people and livestock, no pollution to the environment, capability of reducing the use of pesticides, lower use cost and convenience in operation, can be applied to prediction, prediction and prevention and control of prodenia litura, and has better social, economic and ecological benefits.
Description
Technical Field
The invention relates to the technical field of insect sex attractant, in particular to a sex attractant and a lure for attracting prodenia litura.
Background
Prodenia litura is a worldwide pest, can generate many generations in one year, has larvae with food habits which are mixed and harm more than 170 crops, and is easy to outbreak and cause disasters when the climate and food are proper. At present, chemical pesticides are mainly used for preventing and controlling the prodenia litura, but because of the use of a large amount of chemical pesticides, the prodenia litura generally has drug resistance. At present, the prodenia litura is reported to generate higher resistance to various insecticides such as carbamate, pyrethroid and bacillus thuringiensis at home and abroad. How to effectively control the harm of the plant is still a problem to be solved urgently.
The sex pheromone for preventing and controlling pests is a newly developed prevention and control technology utilizing the sex attraction of pests, has the advantages of high sensitivity, strong specificity, low cost, safety, no environmental pollution and the like, is popular with people, and particularly, the sex pheromone prevention and control technology is rapidly developed in the chemical ecology of the insects in recent years and is widely applied to the comprehensive control of the pests abroad. Currently, the sex pheromone components of prodenia litura have been identified as cis-9, trans-11-tetradecadienol acetate (Z9, E11-14: OAc) and cis-9, trans-12-tetradecadienol acetate (Z9, E12-14: OAc). At present, the 2 substances are used as active components in the formula of the noctuid sex attractant at home and abroad, and the sex pheromone of the noctuid at home and abroad is commercially produced and used for monitoring insect situations and guiding field control work, so that the sex pheromone is popularized and applied in a large area in production, and an obvious control effect is obtained. However, because the prodenia litura has the mating habit for many times, the trapping effect of a large amount of trapping methods is poor, and the trapping efficiency of the prodenia litura sex attractant needs to be improved urgently.
Disclosure of Invention
In view of the above, the invention aims to provide a sex attractant and a lure core for attracting prodenia litura, the sex attractant provided by the invention has high attracting efficiency and stable attracting effect, and the lure core prepared by using the sex attractant can be used for largely attracting and preventing the prodenia litura, so that the use of pesticides is reduced, the safety of agricultural products is improved, and the stability of ecological environment is maintained.
In order to achieve the above object, the present invention provides the following technical solutions:
the active ingredients of the sex attractant comprise the following components in parts by weight: 90-100 parts of cis-9, trans-11-tetradecadienol acetate, 8-12 parts of cis-9, trans-12-tetradecadienol acetate and 0.01-3 parts of cis-11-hexadecadienol acetate.
Preferably, the sex attractant further comprises an antioxidant.
Preferably, the mass ratio of the antioxidant to the cis-9, trans-11-tetradecadienol acetate is 0.002-0.02: 1.
Preferably, the antioxidant comprises one or more of 2, 6-di-tert-butyl-4-methylphenol, di-tert-butylhydroquinone and antioxidant 168.
The invention also provides an attraction core for attracting prodenia litura, which comprises the sex attractant and a releaser for containing the sex attractant.
Preferably, the content of the sex attractant is 0.4-4 mg per lure.
Preferably, the material of the releaser comprises natural rubber, synthetic rubber, polyethylene, polyvinyl chloride, paper, resin or viscose material.
The invention provides a sex attractant for attracting prodenia litura, which comprises the following active components in parts by weight: 90-100 parts of cis-9, trans-11-tetradecadienol acetate, 8-12 parts of cis-9, trans-12-tetradecadienol acetate and 0.01-3 parts of cis-11-hexadecadienol acetate. In the sex attractant, cis-9, trans-11-tetradecadienol acetate and cis-9, trans-12-tetradecadienol acetate are main components, and cis-11-hexadecadienol acetate is a key synergistic component, so that the induction efficiency of the main components on prodenia litura can be greatly improved by adding the cis-11-hexadecadienol acetate; compared with the traditional sex attractant for the prodenia litura, the sex attractant disclosed by the invention has the advantages that the moth-attracting activity is greatly improved, the problem that the control effect of sex pheromone for attracting the prodenia litura is poor at present is solved, and the sex pheromone can be used for monitoring the occurrence dynamics of prodenia litura population under the condition of low population density; the sex attractant is safe to human and livestock, has no pollution to the environment, can reduce the use of pesticides, improves the safety of agricultural products and maintains the stability of the ecological environment.
The invention also provides a lure core containing the sex attractant, and a large number of field experiments prove that the lure core provided by the invention has the advantages of good trapping and killing effect, large trapping amount, stable trapping effect, lower use cost, convenience in operation, capability of being applied to prediction, prediction and prevention and control of luring prodenia litura and better social, economic and ecological benefits.
Detailed Description
The invention provides a sex attractant for attracting prodenia litura, which comprises the following active components in parts by weight: 90-100 parts of cis-9, trans-11-tetradecadienol acetate, 8-12 parts of cis-9, trans-12-tetradecadienol acetate and 0.01-3 parts of cis-11-hexadecadienol acetate.
The active ingredients of the sex attractant comprise 90-100 parts by weight of cis-9, trans-11-tetradecadienol acetate (Z9, E11-14: OAc), preferably 92-96 parts by weight; the Z9, E11-14: OAc can play a remote attraction effect. The source of Z9, E11-14: OAc is not particularly limited, and Z9, E11-14: OAc standard compounds with purity of more than 98% are preferred.
The active component of the sex attractant provided by the invention comprises 8-12 parts of cis-9, trans-12-tetradecadienol acetate (Z9, E12-14: OAc), preferably 9-10 parts, and most preferably 10 parts by weight of cis-9, trans-11-tetradecadienol acetate. In the invention, the Z9, E12-14: OAc can enhance the inducing effect of Z9, E11-14: OAc. The source of Z9, E12-14: OAc is not particularly limited, and Z9, E12-14: OAc standard compounds with purity of more than 98% are preferred.
The active component of the sex attractant provided by the invention comprises 0.01-3 parts of cis-11-hexadecene alcohol acetate (Z11-16: OAc), preferably 0.1-0.5 part, most preferably 0.3 part by weight of cis-9, trans-11-tetradecadienol acetate. In the invention, the Z11-16: OAc can obviously enhance the attraction effect of 2 main components on prodenia litura male moths. The source of Z11-16: OAc is not particularly limited in the present invention, and Z11-16: OAc standard compounds having a purity of 98% or more are preferred.
The sex attractant of the invention also preferably comprises an antioxidant; the mass ratio of the antioxidant to the cis-9, trans-11-tetradecadienol acetate is preferably 0.002-0.02: 1, more preferably 0.01-0.02: 1, and most preferably 0.01: 1. In the present invention, the antioxidant preferably includes one or more of 2, 6-di-tert-butyl-4-methylphenol (BHT), di-tert-butylhydroquinone (DTBHQ), and antioxidant 168. The antioxidant can prevent Z9, E11-14: OAc and Z9, E12-14: OAc from being oxidized. The source of the antioxidant is not particularly limited in the present invention, and conventional reagents in the art may be used.
The invention also provides a lure core for luring prodenia litura, which comprises the sex attractant and a lure core for containing the sex attractant. In the invention, the content of the sex attractant is preferably 0.4-4 mg per lure, and more preferably 1-3 mg per lure; the material of the releaser preferably comprises natural rubber, synthetic rubber, polyethylene, polyvinyl chloride, paper, resin or viscose material, the releaser can slowly release the sex attractant, the shape of the releaser is not particularly required, and the releaser with the shape well known to those skilled in the art can be used.
In a specific embodiment of the invention, preferably, the raw materials of the sex attractant are respectively prepared into solutions, then the raw materials are mixed according to the proportion of the raw materials in the scheme and added into a releaser, the lure core can be obtained after natural volatilization of a solvent, and the solvent used for preparing the solution is preferably redistilled n-hexane or redistilled dichloromethane; the invention has no special requirement on the concentration of the solution, and the raw materials of the sex attractant can be completely dissolved.
The application method of the lure core has no special requirement, and the lure core can be applied by using a method well known to a person skilled in the art, such as placing the lure core into a noctuid type trap for application.
The sex attractant and the lure for attracting spodoptera litura provided by the present invention will be described in detail with reference to the following examples, but they should not be construed as limiting the scope of the present invention.
The reagents used in the following examples and comparative examples were: cis-9, trans-11-tetradecadienol acetate (Z9, E11-14: OAc) standard compound, cis-9, trans-12-tetradecadienol acetate (Z9, E12-14: OAc) standard compound and cis-11-hexadecenol acetate (Z11-16: OAc) standard compound, and the purity is more than 98%.
Comparative example 1
Preparing a sex attractant for attracting prodenia litura according to the conventional proportion in the field, wherein the active ingredients of the sex attractant comprise cis-9, trans-11-tetradecadienol acetate and cis-9, trans-12-tetradecadienol acetate, and the dosage ratio is 0.9 mg: 0.1mg, denoted A1.
Example 1
A sex attractant for attracting prodenia litura comprises active components of cis-9, trans-11-tetradecadienol acetate, cis-9, trans-12-tetradecadienol acetate and cis-11-hexadecadienol acetate, and the dosage ratio is 0.9 mg: 0.1 mg: 0.003mg, as A2.
Example 2
A sex attractant for attracting prodenia litura comprises active components of cis-9, trans-11-tetradecadienol acetate, cis-9, trans-12-tetradecadienol acetate and cis-11-hexadecadienol acetate, and the dosage ratio is 0.9 mg: 0.1 mg: 0.03mg, denoted A3.
Example 3
A sex attractant for attracting prodenia litura comprises active components of cis-9, trans-11-tetradecadienol acetate, cis-9, trans-12-tetradecadienol acetate and cis-11-hexadecadienol acetate, and the dosage ratio is 0.9 mg: 0.1 mg: 0.16mg, denoted A4.
Example 4
The sex attractant of comparative example 1 and examples 1-3 was used to prepare lure, and a blank lure was set as a comparative experimental group, which is marked as A5.
Test site: jiangxing city peachblow city Tan lake street yellow river village asparagus base, Jiangxing city, Zhejiang province.
Preparing a lure: respectively preparing Z9, E11-14: OAc (A), Z9, E12-14: OAc (B) and Z11-16: OAc (C) into a redistilled n-hexane solution, mixing the solutions according to the mass ratio of the comparative example 1 and the examples 1-3, adding the mixture into a silicon rubber plug, and obtaining the lure after the solvent naturally volatilizes.
The test is carried out in 2017 on days 8, 16-9 and 21. Each treatment was set up with 4 replicates, noctuid traps were selected, one lure per trap. The traps are 1.0m higher than the ground, one trap is arranged every 10m, different treatments are alternately placed, and the number of the trapped prodenia litura is counted every 2 days. After each survey, the positions of the traps are exchanged, and experimental errors caused by different positions are eliminated.
TABLE 1 attraction effect of different formulations on prodenia litura in field
In table 1, the moth-trapping activity of the wicks having the change rates of a2 to a5 was calculated as the average moth-trapping amount with respect to the change rate of a1, and for example, the change rate of a2 was: (average moth-trapping amount of group A2-average moth-trapping amount of group A1)/average moth-trapping amount of group A1.
Test results show that compared with a sex attractant formula A1 commonly used in the current production, when 0.003mg of Z11-16: OAc (C) is added, the moth-attracting activity of the sex attractant is improved by 80.33 percent; when 0.03mg of Z11-16: OAc (C) is increased, the activity is improved by 31.15 percent; the activity decreased by 29.74% instead with increasing to 0.16 mg. It can be seen that the moth-luring activity of Z11-16: OAc (C) on prodenia litura is related to the dosage, and Z11-16: OAc (C) has obvious synergistic effect on other two main components within the dosage range defined by the invention.
Example 5
The sex attractant of comparative example 1 and examples 1-3 was used to prepare lure, and a blank lure was set as a comparative experimental group, which is marked as A5.
Test site: jiangxing city peachblow city Tan lake street yellow river village asparagus base, Jiangxing city, Zhejiang province.
Preparing a lure: z9, E11-14: OAc (A), Z9, E12-14: OAc (B) and Z11-16: OAc (C) are respectively prepared into a redistilled n-hexane solution. And (3) mixing the materials according to the mass ratio of the comparative example 1 to the examples 1-3, adding the mixture into a silicon rubber plug, and naturally volatilizing the solvent to obtain the lure core.
The test is carried out in 2018, 8, 25-9, 10 days. Each treatment was set up with 4 replicates, noctuid traps were selected, one lure per trap. The traps are 1.0m higher than the ground, one trap is arranged every 10m, different treatments are alternately placed, and the number of the trapped prodenia litura is counted every 2 days. After each survey, the positions of the traps are exchanged, and experimental errors caused by different positions are eliminated.
TABLE 2 attraction effect of different formulations on prodenia litura in field
The calculation of the rate of change in table 2 is in accordance with example 4.
The test results in Table 2 show that the moth-luring activity of the sex attractant is improved by 92.84 percent when 0.003mg of Z11-16: OAc (C) is added compared with the sex attractant formula A1 commonly used in the current production; when 0.03mg of Z11-16: OAc (C) is increased, the moth-luring activity is improved by 39.30 percent; the activity decreased by 22.88% instead with increasing to 0.16 mg. It can be seen that Z11-16: OAc (C) has dose-related activity on prodenia litura, and Z11-16: OAc (C) has obvious synergistic effect on other two main components within the dose range defined by the invention.
The above examples show that the sex attractant and the attractant core for attracting prodenia litura provided by the invention can obviously enhance the attraction effect on prodenia litura, are safe to human and livestock, have no pollution to the environment, and can reduce the use of pesticides. The method has the advantages of low use cost and convenient operation, can be applied to the prediction, prediction and prevention of prodenia litura, and has good social, economic and ecological benefits.
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 (7)
1. The sex attractant for attracting prodenia litura is characterized in that active ingredients of the sex attractant comprise the following components in parts by weight: 90-100 parts of cis-9, trans-11-tetradecadienol acetate, 8-12 parts of cis-9, trans-12-tetradecadienol acetate and 0.01-3 parts of cis-11-hexadecadienol acetate.
2. The sex attractant of claim 1, further comprising an antioxidant.
3. The sex attractant of claim 2, wherein the mass ratio of the antioxidant to the cis-9, trans-11-tetradecadienol acetate is 0.002-0.02: 1.
4. The sex attractant of claim 2 or claim 3, wherein the antioxidant comprises one or more of 2, 6-di-tert-butyl-4-methylphenol, di-tert-butylhydroquinone and antioxidant 168.
5. An attractant core for attracting prodenia litura, which is characterized by comprising the sex attractant of any one of claims 1 to 4 and a releaser for containing the sex attractant.
6. The lure according to claim 5, wherein the sex attractant is present in an amount of 0.4-4 mg per lure.
7. The lure according to claim 5, wherein the releasing means comprises a material selected from the group consisting of natural rubber, synthetic rubber, polyethylene, polyvinyl chloride, paper, resin, and adhesive.
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| CN201910918875.2A CN110583651B (en) | 2019-09-26 | 2019-09-26 | Sex attractant and lure core for attracting prodenia litura |
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| CN201910918875.2A CN110583651B (en) | 2019-09-26 | 2019-09-26 | Sex attractant and lure core for attracting prodenia litura |
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2019
- 2019-09-26 CN CN201910918875.2A patent/CN110583651B/en active Active
Patent Citations (3)
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| CN101940208A (en) * | 2009-07-09 | 2011-01-12 | 慈溪市森林病虫防治检疫站 | Sex pheromone composite for luring prodenia litura and luring core thereof |
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Address after: 311300 Wu Su street, Ling'an District, Hangzhou, Zhejiang Province, No. 666 Patentee after: ZHEJIANG A & F University Patentee after: NANJING AGRICULTURAL University Patentee after: Zoje Sifang Biotechnology Co.,Ltd. Address before: 311300 Wu Su street, Ling'an District, Hangzhou, Zhejiang Province, No. 666 Patentee before: ZHEJIANG A & F University Patentee before: NANJING AGRICULTURAL University Patentee before: PHEROBIO TECHNOLOGY Co.,Ltd. |
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