Device for carrying out tetranychid mite bioassay on living plant leaves

Abstract

The utility model relates to a biological assay device for arthropods, and discloses a device for carrying out biological assay on spider mites on living plant leaves, which comprises a base (1), a telescopic device (2) and a storage platform (3). A fixing hole (11) is formed in the base (1); the telescopic device (2) is connected with the base (1) through a bolt, the telescopic device (2) comprises an outer pipe (22) and an inner pipe (21), and the outer pipe (22) is provided with a fixing bolt used for fixing the relative position of the inner pipe (21); the storage platform (3) is fixedly connected with the upper part of the inner pipe (21); the utility model has the advantages that the leaf is not easy to damage, the system stability is good, the position of the culture dish is adjustable, the whole device is easy to move, the observation is easy, and the like, and can better complete the biological assay test of the tetranychid on the living plant leaf.

Description

Technical Field

[0001] This utility model relates to a bioassay device for arthropods, and more particularly to a device for bioassay of spider mites on living plant leaves. Background Technology

[0002] Spider mites are an important non-target indicator insect in the safety evaluation of transgenic plants. In bioassays of spider mites on transgenic plants, detached leaves are typically used to feed the test mites, and the mortality rate of the mites is observed after a certain period. Bioassays performed on live plant leaves have advantages such as the leaves being easy to keep fresh and the test duration being longer, making it easier to obtain better experimental results in practice. This type of test usually adopts the following methods: ① Fixing a lightweight box to the plant leaf and placing spider mites in the box for the test, such as patent CN201520216141; ② Elevating the culture dish used for bioassay to the height of the leaf and placing spider mites in the culture dish for the test. When elevating, wooden blocks, cardboard boxes, iron stands, etc. are generally used.

[0003] However, the above methods have certain drawbacks. Method ① has problems such as easy damage to leaves, difficulty in effectively fixing the insect box, and difficulty in observation. Method ② has problems such as difficulty in fixing the position of the petri dish, difficulty in moving the experimental device, difficulty in adjusting the position of the petri dish, and poor system stability. Utility Model Content

[0004] To overcome the shortcomings of existing experimental methods in the background art, this utility model provides a method for bioassay of spider mites on live plant leaves. This method can effectively solve the defects of existing experiments and has the advantages of not easily damaging leaves, good system stability, adjustable petri dish position, easy overall movement, and easy observation. It can better complete bioassay experiments on live plant leaves.

[0005] The present invention proposes the following technical solution:

[0006] An apparatus for bioassay of spider mites on living plant leaves includes a base (1), a telescopic device (2), and a platform (3). The base (1) has fixing holes (11). The telescopic device (2) is connected to the base (1) by bolts and includes an outer tube (22) and an inner tube (21). The outer tube (22) has fixing bolts for fixing the relative position of the inner tube (21). The platform (3) is fixedly connected to the upper part of the inner tube (21).

[0007] Specifically, the base (1) has multiple fixing holes (11), and the fixing holes (11) are threaded holes. A flower pot support (12) is provided in the middle of the base (1), and the flower pot support (12) is fixedly connected to the base (1).

[0008] Specifically, the outer tube (22) of the telescopic device (2) is a hollow round tube, and a bolt is provided at the bottom of the outer tube (22). The bolt and the fixing hole (11) on the base (1) are matched in size. The inner tube (21) of the telescopic device (2) is a hollow round tube with a diameter slightly smaller than that of the outer tube (22). The inner tube (21) is fitted inside the outer tube (22).

[0009] Specifically, the inner tube (21) can move up or down to extend and shorten the telescopic device (2).

[0010] Specifically, the storage platform (3) can rotate with the inner tube (21) as the center to facilitate position adjustment.

[0011] Specifically, there is one set of telescopic device (2) and one set of storage platform (3) on each side of the base (1).

[0012] The beneficial effects of this invention are: when using this device to conduct spider mite bioassay experiments, it is less likely to damage the leaves, the system has good stability, the position of the culture dish is adjustable, it is easy to move as a whole, and it is easy to observe, thus enabling better completion of bioassay experiments on living plant leaves. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a top view of the present invention;

[0015] Figure 3 This is a top view of the base of this utility model;

[0016] Figure 4 This is a diagram showing the usage state of this utility model.

[0017] In the picture: 1. Base, 11. Fixing hole, 12. Flower pot support, 2. Telescopic device, 21. Inner tube, 22. Outer tube, 23. Fixing bolt, 24. Fixing bolt, 3. Placement platform, 4. Flower pot, 5. Petri dish, 6. Plant. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0019]

Example 1

[0020] like Figure 1A device for bioassay of spider mites on live plant leaves. It includes a base 1, a telescopic device 2, and a platform 3. The base 1 has multiple threaded fixing holes 11. A flowerpot holder 12 is fixedly connected to the base 1 in the middle. The telescopic device 2 is connected to the base 1 by bolts 24. The telescopic device includes an outer tube 22 and an inner tube 21. The outer tube 22 has fixing bolts 23 for fixing the relative position of the inner tube 21. The outer tube 22 is a hollow round tube, and the bolts 24 at the bottom of the outer tube 22 match the size of the fixing holes 11 on the base 1. The inner tube 21 is a hollow round tube with a diameter slightly smaller than the outer tube 22. The inner tube 21 can move upwards or downwards to extend or shorten the telescopic device 2, thereby raising or lowering the platform 3. The platform 3 is fixedly connected to the upper part of the inner tube 21. The platform 3 can rotate with the inner tube 21 as the center for position adjustment. There is one set of telescopic device 2 and one set of storage platform 3 on each side of base 1.

[0021]

Example 2

[0022] like Figure 2 This is a top view of an apparatus for bioassay of spider mites on live plant leaves. The platform 3 is fixed to the base 1 via a telescopic device 2, and the platform 3 can rotate around the telescopic device 2 to facilitate position adjustment. Figure 3 As shown, the base 1 is provided with multiple fixing holes 11, and the telescopic device 2 and the storage platform 3 can be fixed by selecting the appropriate fixing holes 11 as needed.

[0023]

Example 3

[0024] like Figure 4 This invention relates to an apparatus for bioassay of spider mites on live plant leaves. In the bioassay experiment on live plants for spider mites, a flowerpot 4 containing a plant 6 is placed in a flowerpot holder 12. Based on the position of the leaves of the plant 6, a telescopic device 2 and a platform 3 are fixed to each side of the base 1. Then, according to the position of the leaves of the plant 6, the height and rotation angle of the platform 3 are adjusted, and the fixing bolts 23 are secured. A petri dish 5 is then placed on the platform 3, and the leaves are placed in the petri dish 5 to conduct the spider mite bioassay experiment according to the experimental design.

[0025] Those skilled in the art should understand that the above description is merely a specific embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for bioassay of spider mites on live plant leaves, characterized in that, It includes a base (1), a telescopic device (2), and a storage platform (3); the base (1) is provided with a fixing hole (11); the telescopic device (2) is connected to the base (1) by bolts, the telescopic device (2) includes an outer tube (22) and an inner tube (21), the outer tube (22) is provided with fixing bolts for fixing the relative position of the inner tube (21); the storage platform (3) is fixedly connected to the upper part of the inner tube (21).

2. The device for bioassaying spider mites on living plant leaves according to claim 1, characterized in that, The base (1) has multiple fixing holes (11), and the fixing holes (11) are threaded holes; a flower pot support (12) is provided in the middle of the base (1), and the flower pot support (12) is fixedly connected to the base (1).

3. The apparatus for bioassaying spider mites on living plant leaves according to claim 1 or claim 2, characterized in that, The outer tube (22) of the telescopic device (2) is a hollow round tube, and a bolt is provided at the bottom of the outer tube (22). The bolt and the fixing hole (11) on the base (1) are matched in size. The inner tube (21) of the telescopic device (2) is a hollow round tube, and the diameter of the inner tube (21) is smaller than that of the outer tube (22). The inner tube (21) can move up or down, and the storage platform (3) can rotate with the inner tube (21) as the center.

4. The apparatus for bioassaying spider mites on living plant leaves according to claim 1, characterized in that, There is one set of telescopic device (2) and storage platform (3) on each side of the base (1).

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