CN210352777U - Attraction predation device for researching predation effect of field surface natural enemies on pests - Google Patents
Attraction predation device for researching predation effect of field surface natural enemies on pests Download PDFInfo
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- CN210352777U CN210352777U CN201920523059.7U CN201920523059U CN210352777U CN 210352777 U CN210352777 U CN 210352777U CN 201920523059 U CN201920523059 U CN 201920523059U CN 210352777 U CN210352777 U CN 210352777U
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Abstract
The utility model relates to a device for attracting and predating pests for studying the predation effect of field surface natural enemies. The utility model provides a lure the predation device for studying field earth surface natural enemy to the effect of preying of pest comprises metal mesh enclosure and tempting the predation board, covers with metal mesh enclosure and lures the predation board in using. The utility model discloses the device can prevent effectively that non-arthropod from getting into and luring the predation area, reduces the jamming of test device self to earth's surface arthropod activity simultaneously, can reflect the predation effect of earth's surface predatory nature natural enemy to the pest objectively, and the accuracy and the scientificity of evaluation result are outstanding. The utility model discloses small and exquisite, simple structure, durable, low cost, simple operation have good application potentiality in field research and evaluation earth's surface natural enemy are to pest predation effect.
Description
Technical Field
The utility model relates to a device for attracting and predating pests for studying the predation effect of field surface natural enemies.
Background
Plant pests are an important factor threatening agricultural production, and not only can directly eat crop tissues, but also can cause wounds to be favorable for disease infection, and a plurality of pests can transmit various plant viruses, so that the crop yield is seriously reduced and the quality of agricultural products is reduced. Chemical control has been a major measure for agricultural pest management for a long time, and the application of a large amount of chemical pesticides has resulted in problems such as environmental pollution, increased planting cost, natural enemy killing, generation of drug resistance in different degrees, and more pounding of pests. Predatory arthropods are abundant in species and quantity, and the predation effect of the predatory arthropods plays an important role in pest population control. At present, it is difficult to quantitatively evaluate the control effect of field predatory natural enemies on pests, and people use a cage method to realize quantitative evaluation of the control capability of field predatory natural enemies on rice planthoppers (Chinese patent documents CN102260507A and CN 106447512A). However, the caging device not only alters the physiological state of the plants in the cage and the behavior and development of the predators, but also affects the growth and activity of the prey, and at the same time confines the predators and prey together within the cage, potentially overestimating the predation rate. At present, the control effect of predatory natural enemies on pests is evaluated based on cage coverage and is often reflected by the degree of pest population scale inhibition, and the field evaluation of the predatory natural enemies on the pest predation effect lacks an effective means.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a study field earth's surface natural enemy and to the technical problem of pest predation effect to the unable field evaluation earth's surface natural enemy of solution current means is to the luring predation device of pest predation effect.
The utility model discloses the purpose is realized through following technical scheme:
an attracting predation device for researching the predation effect of natural enemies on the ground surface on the field on pests comprises a metal mesh enclosure and an attracting predation plate, wherein the metal mesh enclosure is covered with the attracting predation plate in use.
Preferably, the frame of the metal mesh enclosure is formed by welding a stainless steel cross rod with the length of 22cm and the thickness of 2mm and a stainless steel upright rod with the length of 8cm and the thickness of 3mm, the frame is 22cm in length, 22cm in width and 6cm in height, 2cm below the upright rod is preferably used as a ground nail, the metal mesh part in the mesh enclosure is woven by iron wires with the diameter of 1mm, and each small square is 2.2cm in length and 1cm in width.
Preferably, the attraction predation board consists of a carrier board and a simulated prey fixing site.
Preferably, the carrier plate is cut from a white plastic plate and is square-shaped, and the carrier plate has an outer edge length of 24cm, an inner edge length of 14cm and a thickness of 2 mm.
Preferably, small holes with the diameter of 3mm are reserved at the positions, 1cm away from the outer edge, of the four corners of the carrier plate, and are used for penetrating and fixing the carrier plate by the ground nails of the metal net cover.
Preferably, the simulated prey fixing points are located 3cm inward of the four outer edges of the carrier plate (i.e. 2cm outward of the inner edge), 5 sites per edge, and 2cm apart.
Preferably, the simulated prey is a pest simulator made of light green or brown oily nontoxic environment-friendly plasticine, and the simulated prey is fixed in place and then checked to ensure that the surface of the simulator is smooth and free of marks.
The utility model has the advantages of as follows and beneficial effect:
1. the utility model discloses the device keeps apart non-arthropod with the metal screen panel and gets into and lures the predation area, and the size of metal net has carried out the screening optimization, and the great degree reduces disturbances such as air flow, temperature, humidity and illumination to luring the predation area, reduces test device self to the jamming of earth's surface arthropod activity, can reflect the predation effect of earth's surface predatory nature natural enemy to the pest objectively, and the accuracy and the scientificity of evaluation result are outstanding;
2. the utility model discloses small and exquisite, simple structure, durable, low cost, simple operation have good application potentiality in field research and evaluation earth's surface natural enemy are to pest predation effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of a metal mesh enclosure of the present invention;
fig. 2 is a schematic structural view of the trapping predation plate of the utility model.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, the utility model provides a device of preying is lured for field evaluation earth surface natural enemy to pest predation effect, should lure the predation device to constitute by metal mesh enclosure and lure the predation board, and metal mesh enclosure covers and lures the predation board in using.
Preferably, the frame of the metal mesh enclosure is formed by welding a cross rod 1 and a vertical rod 2, the cross rod is a stainless steel rod with the length of 22cm and the diameter of 2mm, the vertical rod is a stainless steel rod with the length of 8cm and the diameter of 3mm, and 2cm of the lower part of the vertical rod is used as a ground nail for being inserted into the ground to fix the metal mesh enclosure.
Preferably, the metal mesh 3 in the metal mesh enclosure is woven by iron wires with the diameter of 1mm, each small square grid is 2.2cm long and 1cm wide, and non-arthropods (such as birds, rats and the like) can be effectively prevented from entering the attraction and predation area.
Preferably, the attraction predation plate consists of a carrier plate 4, square holes 5, prey fixing points 6 and round holes 7.
Preferably, the carrier plate 4 is cut from a white plastic plate, and has a length of 24cm, a width of 24cm and a thickness of 2 mm.
Preferably, a square hole 5 is reserved in the center of the support plate 4, and the side length of the square hole is 14cm, so that the support plate can be used for material energy circulation with the ground soil.
Preferably, the prey fixing points 6 are arranged 3cm inwards from four sides of the carrier plate 4 (i.e. 2cm from the sides of the square hole 5), 5 sites per side, and 2cm apart.
Preferably, the simulated prey is a pest simulator made of light green or brown oily plasticine, and the simulated prey is fixed in place and then checked to ensure that the surface of the simulator is smooth and has no mark.
Application example
The test point is located the corn field of not applying pesticide in eastern Shang province, Qihe county, and 1 mu of area will respectively in 6 months 25 days (3 leaf period), 8 months 25 days (blossoming and staminate period) and 10 months 10 days (harvest period) the utility model discloses the device is laid in corn field central authorities, arranges 5 lures the predation device according to 5 dot crossing layouts altogether, and device spacing distance is not less than 10 meters, is fixed with 16 pest simulacrums on every lures the predation board. In each test, the device is arranged for 24 hours and then the condition that the simulated prey is predated or attacked by the surface natural enemies is investigated, the types of the predated natural enemies are preliminarily judged according to the occlusion traces on the surface of the pest simulated body, and the predation or attack frequency of the pest simulated body reflects the predation action strength of the surface natural enemies. In laying and luring prey the preceding a week of device, respectively laying 1 trap in the every 1m department of laying of prey the every setting point of device, the trap device refers to chinese patent CN203015698U, and wherein 1 trap is used the utility model discloses the metal mesh panel of device kind covers, lays the capture condition of each trap earth's surface natural enemy of a week back inspection.
TABLE 1 Pest simulants predation or attack and trap Capture of animals
The result is shown in table 1, all do not catch non-arthropod after covering the trap of metal screen panel in 3 surveys, and the trap that does not cover the metal screen panel all has non-arthropod to enter, it is visible the utility model discloses metal screen panel in the device can prevent non-arthropod completely to enter the investigation district. All earth's surface natural enemies quantity that the trap that covers the metal screen panel caught does not have obvious difference with the trap that does not cover the metal screen panel in the 3 surveys, and is visible the utility model discloses metal screen panel in the device is to body surface arthropod natural enemies unimpeded effect. For the investigation of the pest simulant being predated or attacked, the pest simulant of day 25/6 is not substantially predated or attacked by the surface natural enemies, probably because the population number of the surface natural enemies is very small at the early stage of the corn growth; more than 65% of pest simulants are predated or attacked by the surface natural enemies in 8 months and 25 days, so that the population scale of the surface natural enemies is larger; the pest simulacrum is not substantially predated or attacked by the surface natural enemies 10 months and 10 days, the corns are harvested, the surface natural enemies migrate out of the corn field to seek shelter so as to be ready for overwintering, and the population size is reduced to an extremely low level.
The utility model discloses the device has carried out screening optimization to metal mesh enclosure's net size, can effectively keep apart non-arthropod and get into and lure the predation area, and the while very big degree reduces to luring disturbances such as predation area air current, temperature, humidity and illumination, reduces the artificial interference of test device self to earth's surface arthropod activity, can reflect the predation effect of earth's surface predatory nature natural enemy to the pest objectively, and the accuracy and the scientificity of evaluation result are outstanding. The utility model discloses small and exquisite, simple structure, durable, low cost, simple operation have good application potentiality in field research and evaluation earth's surface natural enemy are to pest predation effect.
The above disclosure is only an exemplary application example of the present application, but the present application is not limited thereto, and any changes suggested by those skilled in the art should fall within the protection scope of the present application.
Claims (1)
1. An attraction predation device for researching predation effect of natural enemies on the ground surface of a field on pests is characterized in that the attraction predation device consists of a metal mesh enclosure and an attraction predation plate;
the frame of the metal net cover is formed by welding a metal cross rod with the length of 22cm and the thickness of 2mm and a metal upright rod with the length of 8cm and the thickness of 3mm, the frame is 22cm in length, 22cm in width and 6cm in height, and 2cm below the upright rod is used as a ground nail; the metal mesh part of the mesh enclosure is woven by metal wires with the diameter of 1mm, and each small square grid is 2.2cm long and 1cm wide;
the attraction predation board consists of a carrier plate and a simulated prey fixing site;
the carrier plate is cut from a white plastic plate and is square-shaped, the outer edge of the carrier plate is 24cm long, the inner edge of the carrier plate is 14cm long, the thickness of the carrier plate is 2mm, small holes with the diameter of 3mm are reserved at the positions of the four corners of the carrier plate, which are 1cm away from the outer edge, and the carrier plate is fixed by penetrating ground nails of a metal mesh enclosure;
the simulated prey fixing points are arranged at the positions 3cm inward outside the carrier plate, each edge has 5 sites, and each site is spaced by 2 cm; the simulated prey is a pest simulator which is made of light green or brown oily nontoxic environment-friendly plasticine and has a smooth surface and no impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523059.7U CN210352777U (en) | 2019-04-17 | 2019-04-17 | Attraction predation device for researching predation effect of field surface natural enemies on pests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920523059.7U CN210352777U (en) | 2019-04-17 | 2019-04-17 | Attraction predation device for researching predation effect of field surface natural enemies on pests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210352777U true CN210352777U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920523059.7U Expired - Fee Related CN210352777U (en) | 2019-04-17 | 2019-04-17 | Attraction predation device for researching predation effect of field surface natural enemies on pests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210352777U (en) |
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2019
- 2019-04-17 CN CN201920523059.7U patent/CN210352777U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |