CN111838152B - Lycium barbarum gallmidge attractant composition, lure and application - Google Patents
Lycium barbarum gallmidge attractant composition, lure and application Download PDFInfo
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- CN111838152B CN111838152B CN202010565109.5A CN202010565109A CN111838152B CN 111838152 B CN111838152 B CN 111838152B CN 202010565109 A CN202010565109 A CN 202010565109A CN 111838152 B CN111838152 B CN 111838152B
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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
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
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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
- 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
- A01M1/14—Catching by adhesive surfaces
- A01M1/16—Fly papers or ribbons
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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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
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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
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals
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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
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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
- A01N37/06—Unsaturated carboxylic acids or thio analogues thereof; Derivatives thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention provides an attractant composition for wolfberry red gall midge, a lure and application, wherein the attractant composition comprises the following components in parts by weight: 4-10 parts of 3-carene, 8-15 parts of camphene, 5-12 parts of d-limonene, 1-5 parts of terpinolene and 10-20 parts of myrcene. The invention also provides an attractant and a lure containing the attractant composition. The attractant composition, the attractant and the lure are applied to monitoring and trapping of the pest situation of the Lycium barbarum. The medlar cecidomyiia attractant is nontoxic, harmless, easy to degrade, and simple and convenient to use, is combined with a sticky plate trapper when in use, and can be applied to pest detection and prediction and direct trapping and prevention.
Description
Technical Field
The invention relates to the technical field of pest monitoring and trapping, in particular to a wolfberry fruit gall midge attractant composition, a trapping core and application.
Background
Lycium barbarum gall Jaapiella sp is widely distributed in China in major Lycium barbarum production areas of Ningxia, Xinjiang, inner Mongolia, Gansu and the like. Lycium barbarum erythrodymus is a typical professional goiter, mature larvae overwinter in soil, cocooning and pupating on the soil surface in early spring, spawning in flower buds of Lycium barbarum immediately after imago eclosion, the larvae are damaged in damaged galls for the lifetime, and end-aged larvae fall into soil under crown of Lycium barbarum to coconate and pupate after being separated from galls to complete life history. Therefore, most of the life time of the Lycium barbarum is in flower buds and soil, the stage of really exposing the Lycium barbarum to the outside is only the mating and spawning period after eclosion of adults, the life of the adults is only 1-2d, and the time is very short. Because the medlar midge larva is hidden as a harm, the harm part is the harvest part, and the prevention and the treatment are extremely difficult, the medlar cancer is called in the industry.
At present, the common methods for preventing and treating the Lycium barbarum gall midge are crown pesticide spraying, soil irrigation pesticide application and the like, but the crown pesticide spraying is difficult to directly contact with the polypide, and the soil pesticide application has short pesticide duration and poor effect due to soil adsorption and soil microbial degradation. And a large amount of pesticides are frequently used, so that the problems of environmental pollution and overproof pesticide residue of medicinal materials are prominent, the drug resistance of the Lycium barbarum is increased sharply, the quality of the Lycium barbarum medicinal materials and the health of the users are directly affected, the competitiveness of Chinese wolfberry in the international market is further affected, and the development of the Lycium barbarum industry, the base construction and the product export are severely restricted. Botanical pesticides are an effective method of controlling pests. Plant volatile compounds play an important role in the host selection process of phytophagous insects. The phytophagous insects use the volatile released by the host plant to locate the host, thereby accurately finding the host plant. The phenylacetaldehyde contained in the volatile odor components of a plurality of plants has an attraction effect on a plurality of moths such as Ostrinia furnacalis, Trichoplusia ni and the like of Asiatic corn borer. Farnesene farnesesene released by Zea mays has strong attraction to Ostrinia nubilalis of European corn borer. The oriental fruit moth cydia molesta has specificity on the attraction of (E) -2-hexenal, (Z) -3-hexen-1-ol, benzaldehyde, benzanitile and (Z) -3-hexenyl acetate in peach tree volatile. At present, the related reports based on the Lycium barbarum attractant composition are not reported in the field.
Disclosure of Invention
In view of the above, the invention aims to provide an attractant composition for Lycium ruthenicum Murr, a lure and application.
In order to achieve the purpose of the invention, the technical scheme of the invention is as follows:
in a first aspect, the invention provides a medlar gallmidge attractant composition, which comprises the following components in parts by weight: 4-10 parts of 3-carene, 8-15 parts of camphene, 5-12 parts of d-limonene, 1-5 parts of terpinolene and 10-20 parts of myrcene.
Further, the composition further comprises: 5-8 parts of cis-3-hexeneacetic ester, 10-15 parts of cis-3-hexenyl-1-ol, 8-15 parts of n-octanol, 1-8 parts of butyl acrylate and 20-30 parts of benzaldehyde.
Preferably, the composition comprises the following components in parts by weight: 6.4 parts of 3-carene, 10 parts of camphene, 8.8 parts of d-limonene, 4 parts of terpinolene, 14 parts of myrcene, 6.4 parts of cis-3-hexeneacetic ester, 10 parts of cis-3-hexen-1-ol, 11.6 parts of n-octanol, 4 parts of butyl acrylate and 24.8 parts of benzaldehyde.
In a second aspect, the invention provides an attractant for the Lycium barbarum, which comprises the attractant composition.
Further, the attractant further comprises an anti-ultraviolet stabilizer accounting for 1-2% of the total weight of the attractant and an antioxidant accounting for 1-2% of the total weight of the attractant.
Preferably, the anti-ultraviolet stabilizer is at least one selected from the group consisting of UV-531, UV-328 and UV-P.
Preferably, the antioxidant is selected from at least one of vitamin E, tert-butylhydroquinone, 2, 6-di-tert-butyl-4-methylphenol and butylated hydroxyanisole.
In a third aspect, the invention provides a preparation method of a lycium barbarum gallmidge attractant core, which comprises the following steps: dissolving the attractant in a solvent to prepare an attractant solution, then loading the attractant solution on a core-attracting carrier with a slow-release function, and naturally volatilizing the solvent to obtain the medlar midge attractant core.
Preferably, the solvent is selected from any one of chromatographically pure hexane, chromatographically pure dichloromethane and paraffin oil.
Furthermore, the lure carrier is made of natural rubber or synthetic rubber.
In a fourth aspect, the invention provides a medlar gallmidge attractant core which is prepared by the preparation method, and the attractant content in the attractant core is 0.5-5 g per attractant core.
In a fifth aspect, the invention provides the attractant composition, the attractant, the lure and the preparation method thereof, and application of the lure in monitoring and trapping of the situation of the Lycium barbarum.
In a sixth aspect, the present invention provides a method for trapping Lycium barbarum, comprising: the lure is placed in a trap, and then the trap is hung below the crown of the medlar tree.
Preferably, the trap is an adhesive type triangular trap.
Preferably, the lure core is arranged above the adhesive plate of the trap by 0-2 cm.
Compared with the prior art, the invention has the following outstanding advantages and positive effects:
the invention utilizes the specific olfaction recognition of the medlar gall midge to the volatile matter of the medlar bud of the host plant thereof to identify and screen out the medlar gall midge attractant which has better trapping effect on the medlar gall midge; the medlar cecidomyiia attractant does not directly contact insects and plants in use, so that the medlar cecidomyiia attractant does not influence the healthy growth of the plants, does not enable the insects to generate drug resistance, is safe to people and livestock, and does not pollute the environment and harm natural enemies in the process of using the medlar cecidomyiia attractant. The medlar cecidomyiia attractant is nontoxic, harmless, easy to degrade and simple and convenient to use. When in use, the adhesive plate trap is combined with a plate sticking trap, can be applied to pest detection and prediction and direct trapping and killing control, and can be used for green and safe control of the Lycium barbarum.
Drawings
FIG. 1 is a bar graph of daily average gall density of Lycium barbarum in attractant-treated and pesticide control-treated areas of example 8 of the present invention showing very significant variability, P < 0.01.
Detailed Description
The 3-carene used in the examples of the present invention is from Sigma-Aldrich.
Camphene used in the examples of the present invention was obtained from Sigma-Aldrich.
The d-limonene used in the examples was from Fluka Production GmbH.
Terpinolene used in the examples of the present invention was obtained from Sigma-Aldrich.
Myrcene used in the examples of the present invention was obtained from Sigma-Aldrich.
The cis-3-hexeneacetate employed in the examples of the invention is from Carl Roth GmbH + co.
The cis-3-hexen-1-ol employed in the examples of the present invention is from Carl Roth GmbH + co.
The n-octanol used in the examples of the invention was from Sigma-Aldrich.
Butyl acrylate used in the examples of the present invention was obtained from Sigma-Aldrich.
The benzaldehyde employed in the examples of the present invention was obtained from Sigma-Aldrich.
In the description of the present invention, it is to be noted that those whose specific conditions are not specified in the examples are carried out according to the conventional conditions or the conditions recommended by the manufacturers. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
Example 1
The embodiment provides an attractant composition, which comprises the following components in parts by weight: 4.5 parts of 3-carene, 10.0 parts of camphene, 7.7 parts of d-limonene, 3.5 parts of terpinolene and 12.9 parts of myrcene.
Example 2
The embodiment provides an attractant composition, which comprises the following components in parts by weight: 6.7 parts of 3-carene, 8.8 parts of camphene, 12.0 parts of d-limonene, 1.8 parts of terpinolene and 20.0 parts of myrcene.
Example 3
The embodiment provides an attractant composition, which comprises the following components in parts by weight: 10.0 parts of 3-carene, 15.0 parts of camphene, 5.5 parts of d-limonene, 5.0 parts of terpinolene, 10.8 parts of myrcene, 5.5 parts of cis-3-hexene acetate, 12.4 parts of cis-3-hexene-1-alcohol, 9.8 parts of n-octanol, 6.0 parts of butyl acrylate and 30.0 parts of benzaldehyde.
Example 4
The embodiment provides an attractant composition, which comprises the following components in parts by weight: 7.7 parts of 3-carene, 8.0 parts of camphene, 7.1 parts of d-limonene, 3.0 parts of terpinolene, 16.4 parts of myrcene, 8.0 parts of cis-3-hexeneacetic ester, 15.0 parts of cis-3-hexen-1-ol, 15.0 parts of n-octanol, 4.6 parts of butyl acrylate and 20.0 parts of benzaldehyde.
Example 5
The embodiment provides an attractant composition, which comprises the following components in parts by weight: 6.4 parts of 3-carene, 10.0 parts of camphene, 8.8 parts of d-limonene, 4.0 parts of terpinolene, 14.0 parts of myrcene, 6.4 parts of cis-3-hexeneacetic ester, 10.0 parts of cis-3-hexen-1-ol, 11.6 parts of n-octanol, 4.0 parts of butyl acrylate and 24.8 parts of benzaldehyde.
Comparative example 1
The comparative example provides an attractant composition comprising, by weight: 6.4 parts of 3-carene, 10 parts of camphene, 8.8 parts of d-limonene and 4.0 parts of terpinolene.
Comparative example 2
The comparative example provides an attractant composition comprising, by weight: : 6.4 parts of 3-carene, 10 parts of camphene, 8.8 parts of d-limonene and 14.0 parts of myrcene.
Example 6
And (3) testing the attraction monitoring effect of different attractant composition formulas on the Lycium barbarum.
Test site: a planting base for Chinese wolfberry in Ningcounty in Ningxia Hui nationality autonomous region.
The test method comprises the following steps: respectively and uniformly mixing the attractant compositions, the ultraviolet-resistant stabilizing agents and the antioxidants of the embodiments 1-5 and the comparative examples 1 and 2 with chromatographic pure hexane solvents to prepare attractant solutions, wherein the mass percentages of the attractant compositions, the ultraviolet-resistant stabilizing agents and the antioxidants in the attractant are respectively 96%, 2% and 2% (the proportion is adopted in all the embodiments and the comparative examples), then respectively filling the obtained attractant solutions into rubber-head attractant carriers to prepare attractant cores (one to seven), the content of the attractant is 1 g/attractant core, after the solvents in the attractant core carriers are naturally volatilized, respectively placing the attractant cores above adhesive plates of adhesive type traps by 0-2 cm, and then suspending the traps below medlar crowns which are 10-20 cm away from the ground. The number of the medlar gallmidge imagoes accumulated and trapped is counted once a day. The test field is at least 50m away from other Chinese wolfberry planting fields. The attracting effect is shown in Table 1.
TABLE 1 Effect of different attractant compositions on the attraction of Lycium barbarum
As can be seen from the data in Table 1, the first to fifth attractant cores prepared in examples 1 to 5 have obvious attraction effects on Lycium barbarum, wherein the attraction effect of the fifth attractant core is the best.
Example 7
The trapping rate of the medlar cecidomyiia imagoes by the lure prepared by different dosages of the attractant composition of example 5 was examined.
Test site: a planting base for Chinese wolfberry in Ningcounty in Ningxia Hui nationality autonomous region.
The test method comprises the following steps: uniformly mixing the attractant composition, the ultraviolet-resistant stabilizer, the antioxidant and the chromatographically pure hexane solvent in the embodiment 5 to prepare an attractant solution, wherein the mass percentages of the attractant composition, the ultraviolet-resistant stabilizer and the antioxidant in the attractant are respectively 96%, 2% and 2%, then respectively filling the attractant solution into rubber head attractant carriers according to the dosages of 0.01g, 0.05g, 0.1g, 0.5g, 1g, 5g and 10g of each attractant core, naturally volatilizing the solvent to obtain a series of medlar midge attractant cores with different drug-loading rates, respectively placing the attractant cores above viscose trap viscose plates by 0-2 cm, and then suspending the trap below a medlar crown which is 10-20 cm higher than the ground. And counting the number of the induced wolfberry red gall midge imagoes after 3 days. The test field is at least 50m away from other Chinese wolfberry planting fields. Specific results are shown in table 2.
TABLE 2 Effect of different drug-loading rate attractants on the attraction of Lycium barbarum
The data in the table 2 show that the trapping effect of the attractant composition can be achieved by trapping the Lycium barbarum midge within the dosage range of 0.01-10 g/attracting core, the number of the Lycium barbarum midge trapped by the attractant composition is gradually increased along with the increase of the dosage, the trapping effect is optimal when the dosage is 0.5-5 g/attracting core, and the trapping effect is not ideal when the dosage is lower than or higher than the range.
Example 8
The effect of the attractant composition of example 5 of the present invention on the field control of Lycium barbarum was examined using conventional pesticide application.
Summary of the test: in Ningxia Hui autonomous region, Lycium chinense planting land with great concentration of Lycium chinense galls is selected as test land and has total area of 3000m2The cultivated variety is Ningxia wolfberry No. 1, the tree age is about 12a, the growth vigor is uniform, the plant spacing is 1.4m, and the row spacing is 1.8 m. Two parts are respectively selected as an attractant treatment area and a pesticide control treatment area in a test field, and the area of each treatment area is about 600m2The two treatment zones are kept at a distance so as not to interfere with the test. Fertilizing and pruning the medlar before the test. The test time is from the eclosion generation imagoes of the medlar red gall midge in 4 last ten daysBeginning, and ending the picking of the medlar summer fruits in the last 8 th month. During the test period, artificial weeding is carried out regularly.
Attractant treatment area: the luring core prepared by the attractant composition of the invention in the embodiment 5 is adopted to evaluate the luring effect on the medlar gall midge. The specific operation method comprises the steps of placing the lure core made of the attractant composition of the embodiment 5 in a height of 0-2 cm above a viscose board of the viscose type trap at the beginning of the overwintering generation adult emergence peak period of the Lycium barbarum, and then hanging the trap at a crown ventilation position of a Lycium barbarum plant. The treatment area hangs 3 sets of traps, and the distance between every two sets of traps is 10 m. The new lure is replaced every half month until the test is finished in the last 8 months.
Pesticide control treatment zone: and (3) spraying chemical pesticide on the crown of the medlar tree at regular intervals at the beginning of the emergence period of overwintering generation imagoes of the medlar red gall midge, and evaluating the control effect of the medlar red gall midge on the medlar red gall midge. The types, dilution times, dosage and spraying time of the pesticides are consistent with those of medlar farmers near the test site.
The investigation method comprises the following steps: after test treatment, 3 medlar trees are randomly selected in an attractant treatment area and a pesticide control treatment area, 1 branch is randomly selected in the east, west, south, north and middle 5 directions of each medlar tree respectively, and the quantity of gall of the medlar gallmidge insects in the range of slightly 20cm from the top of the branch is investigated every 7 days until the picking of the medlar summer fruits in the last ten days of 8 months is finished.
The experimental results are as follows: as can be seen from the data in FIG. 1, the average daily gall of Lycium barbarum in the control pesticide-treated area was 3.25. + -. 0.99 per shoot, while the average daily gall of Lycium barbarum in the attractant-treated area was 1.06. + -. 0.19 per shoot, which was 67.38% less than the control-treated area, with a significant difference between the two treated areas. Therefore, the attractant composition disclosed in the embodiment 5 of the invention has a remarkable field control effect on the Lycium barbarum.
In conclusion, the invention identifies and screens the medlar gallmidge attractant by utilizing the specific olfaction recognition of the medlar gallmidge to the medlar bud volatile matter of the host plant, and the medlar gallmidge attractant has better trapping effect on the medlar gallmidge; the medlar cecidomyiia attractant does not directly contact insects and plants in use, so that the medlar cecidomyiia attractant does not influence the healthy growth of the plants, does not enable the insects to generate drug resistance, is safe to people and livestock, and does not pollute the environment and harm natural enemies in the process of using the medlar cecidomyiia attractant. The medlar cecidomyiia attractant is nontoxic, harmless, easy to degrade and simple and convenient to use. When in use, the adhesive plate trap is combined with a plate sticking trap, can be applied to pest detection and prediction and direct trapping and killing control, and can be used for green and safe control of the Lycium barbarum.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An Lycium barbarum Ching gall midge attractant composition is characterized in that: the composition comprises the following components in parts by weight: 4-10 parts of 3-carene, 8-15 parts of camphene, 5-12 parts of d-limonene, 1-5 parts of terpinolene and 10-20 parts of myrcene.
2. The Lycium barbarum Ching attractant composition according to claim 1, wherein: the composition further comprises: 5-8 parts of cis-3-hexeneacetic ester, 10-15 parts of cis-3-hexenyl-1-ol, 8-15 parts of n-octanol, 1-8 parts of butyl acrylate and 20-30 parts of benzaldehyde.
3. The Lycium barbarum Ching attractant composition according to claim 2, wherein: the composition comprises the following components in parts by weight: 6.4 parts of 3-carene, 10 parts of camphene, 8.8 parts of d-limonene, 4 parts of terpinolene, 14 parts of myrcene, 6.4 parts of cis-3-hexeneacetic ester, 10 parts of cis-3-hexen-1-ol, 11.6 parts of n-octanol, 4 parts of butyl acrylate and 24.8 parts of benzaldehyde.
4. The medlar cecidomyiia attractant is characterized in that: the attractant composition according to any one of claims 1-3.
5. The Lycium barbarum Ching attractant according to claim 4, wherein: the attractant further comprises an anti-ultraviolet stabilizer accounting for 1-2% of the total weight of the attractant and an antioxidant accounting for 1-2% of the total weight of the attractant.
6. The Lycium barbarum Ching attractant according to claim 5, wherein: the antioxidant is at least one selected from vitamin E, tert-butyl hydroquinone, 2, 6-di-tert-butyl-4-methylphenol and butyl hydroxy anisol.
7. A preparation method of a medlar cecidomyiia attractant core is characterized by comprising the following steps: the method comprises the following steps: dissolving the attractant of any one of claims 4 to 6 in a solvent to prepare an attractant solution, then loading the attractant solution on a core-attracting carrier with a slow-release effect, and naturally volatilizing the solvent to obtain the wolfberry gall midge attractant core.
8. The utility model provides a matrimony vine pink gall midge attractant lures core which characterized in that: the attractant is prepared by the preparation method of claim 7, and the attractant content in the lure is 0.5-5 g per lure.
9. The attractant composition according to any one of claims 1 to 3, the attractant according to any one of claims 4 to 6, the medlar midge attractant core prepared by the preparation method according to claim 7 and the use of the attractant core according to claim 8 in medlar midge pest situation monitoring and trapping.
10. A method for trapping Lycium barbarum is characterized by comprising the following steps: the method comprises the following steps: the attractant core of claim 8 is placed in a trap, which is then suspended under the crown of the lycium barbarum.
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