CN210537974U

CN210537974U - Experimental device for observe plant roots growth

Info

Publication number: CN210537974U
Application number: CN201920414586.4U
Authority: CN
Inventors: 汪映彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-05-19
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses an experimental device for observing the growth of plant roots, which relates to the field of experimental instruments, and comprises a box body, wherein at least two clapboards are arranged inside the box body, the clapboards divide the inside of the box body into a plurality of growth areas, the upper part of each growth area is provided with a feed inlet, the bottom of each growth area is provided with a discharge outlet, a plurality of culture tubes are vertically arranged in the growth areas, the bottom of each culture tube is provided with an exchange hole for culture solution to pass in and out, the culture tubes are provided with planting pieces for fixing the plants to be observed, and the planting pieces are provided with culture openings for the roots of the plants to be observed to pass through; the top of box is provided with the apron, and the bottom plate of baffle, box all adopts light tight material to make, and the outside of box and the corresponding region in every growing zone all are provided with detachable light screen. The utility model discloses an experimental apparatus, the experimenter of being convenient for observes the root system and grows, and the result is more accurate.

Description

Experimental device for observe plant roots growth

Technical Field

The utility model relates to an experimental apparatus field, concretely relates to observe experimental apparatus that plant roots grows.

Background

The plant root system is a main organ for absorbing water and fertilizer, the distribution (main root, lateral root and fibrous root) and the length of the root system are important factors for marking the growth state of the plant, and the experiment for observing the growth of the plant root system is brought into teaching in order to improve the understanding of the middle school students on the growth of the plant.

During the experiment, plants are usually cultivated in soil with basically the same formula, during the experiment, the illumination condition, the sprinkling and the fertilizer application are kept consistent, a certain amount of plants are dug out at intervals to observe and measure the growth condition of the root system, however, the root system of the plant can be radially diffused to the periphery during the growth, the integrity of the root system shape is easily damaged during the digging, the result of the dug plant is influenced, the growth of the plant to be observed is damaged, the accuracy of the result is influenced, and meanwhile, the labor intensity of the digging and cleaning of the plant is higher; at present, plants are also placed in a transparent container for observation, but algae easily grow in the transparent container under the condition of illumination for a long time, the environment in the container is damaged, the accuracy of results is influenced, and the normal observation of experimenters is obstructed.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide an observe experimental apparatus of plant roots growth, the experimenter of being convenient for observes the root growth, and the result is more accurate.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

an experimental device for observing growth of plant roots comprises a box body, wherein at least two partition plates are arranged inside the box body, the inside of the box body is divided into a plurality of growth areas by the partition plates, a feed inlet is formed in the upper part of each growth area, a discharge outlet is formed in the bottom of each growth area, a plurality of culture tubes are vertically arranged in the growth areas, exchange holes are formed in the bottoms of the culture tubes and used for allowing a culture solution to pass in and out of the culture tubes, planting pieces are arranged on the culture tubes and used for fixing plants to be observed, and culture openings are formed in the planting pieces and used for allowing the roots of the plants to be observed to pass through;

the top of the box body is provided with a cover plate, the partition plate and the bottom plate of the box body are made of light-tight materials, and detachable light shading plates are arranged on the outer side of the box body and in the area corresponding to each growth area.

Furthermore, the growth area is provided with a fixed grid, and the culture tubes are positioned in the fixed grid.

Further, the outer wall of the culture tube is provided with a graduated scale, and the zero point of the graduated scale is parallel to the bottom of the implant.

Further, the partition plates comprise a transverse partition plate and a plurality of longitudinal partition plates.

Further, the partition plates are a plurality of longitudinal partition plates.

Further, the cover plate is clamped at the top of the box body, and the distance between the cover plate and the top of the box body is 10-20 cm.

Further, the experimental device further comprises an illumination regulator, wherein the illumination regulator is used for regulating the illumination intensity of the plant to be observed in the box body.

Furthermore, at least 10 culture tubes are arranged in each growth area.

Further, the length of the culture tube is 15-30 cm.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses an experimental device for observing the growth of plant roots, including setting up the culture tube in the growth area, be provided with the field planting piece on the culture tube for the fixed plant that waits to observe, open on the field planting piece and cultivate the mouth, supply the root system of waiting to observe the plant to pass, when carrying out the experiment, the plant that waits to observe passes through the fixed cultivation of fixed value piece, and the root system grows and extends in the culture tube, compared with digging the plant root system from soil among the prior art, intensity of labour is lower and be convenient for observe; the top of box is provided with the apron, and the bottom plate of baffle, box all adopts light tight material to make, and the outside of box all is provided with the detachable light screen with every corresponding region in growing zone, can avoid illumination entering growing zone, prevents that growing zone from producing the algae influence root system growth, improves the accuracy of result.

Drawings

FIG. 1 is a schematic structural diagram of an experimental device for observing the growth of a plant root system in an embodiment of the present invention;

FIG. 2 is a top view of a growth area in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a culture tube according to an embodiment of the present invention.

In the figure: 1-box body, 2-clapboard, 3-growth area, 4-feeding hole, 5-discharging hole, 6-culture tube, 7-planting piece, 8-culture hole, 9-cover plate, 10-shading plate, 11-fixed grid, 12-graduated scale, 13-transverse clapboard and 14-longitudinal clapboard.

Detailed Description

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the present invention provides an experimental apparatus for observing growth of plant roots, including box 1, the inside of box 1 is provided with at least two baffles 2, in this embodiment, baffles 2 can include a transverse partition 13 and a plurality of longitudinal partitions 14, also can be a plurality of longitudinal partitions 14.

A plurality of growth districts 3 are cut apart into with the inside of box 1 to baffle 2, 3 at least one sides in every growth district are the outer wall of box 1, the upper portion in every growth district 3 all is provided with feed inlet 4, the bottom all is provided with discharge gate 5, feed inlet 4 deposits the mechanism through pipeline and outside nutrient solution and is connected for in leading-in growth district 3 with nutrient solution, discharge gate 5 is connected with outside waste liquid jar through the pipeline, a culture solution that treats the change in the growth district 3 is derived.

Referring to fig. 2 and 3, a plurality of culture tubes 6 are vertically arranged in the growth area 3, in the embodiment, at least 10 culture tubes 6 are arranged in each growth area 3, and the length of each culture tube 6 is 15-30 cm; growth zone 3 still is provided with fixed grid 11, cultivate pipe 6 is located fixed grid 11, fixed grid 11 is used for fixed cultivation pipe 6, avoid cultivating pipe 6 to take place the slope, make and wait to observe the plant and be in vertical state all the time, it has the exchange hole to open the bottom of cultivating pipe 6, be used for culture solution business turn over to cultivate pipe 6, be provided with field planting piece 7 on cultivating pipe 6, a plant for fixed observing of waiting, it has cultivation mouth 8 to open on field planting piece 7, the root system that supplies to wait to observe the plant passes, cultivate pipe 6 is provided with scale 12, scale 12's zero point is parallel with field planting piece 7 bottoms, flush with the root system top of waiting to observe the plant promptly, can the length of direct observation root system through scale 12.

The top of box 1 is provided with apron 9, and baffle 2, box 1's bottom plate all adopt light-tight material to make, and the outside of box 1 all is provided with detachable light screen 10 with every 3 corresponding regions in growth district, avoids outside light to shine in the culture solution, and apron 9 joint is in the top of box 1, and the distance between apron 9 and the box 1 top is 10 ~ 20cm, provides sufficient growth space for waiting to observe the plant.

The experimental device further comprises an illumination regulator, the illumination regulator is used for regulating illumination intensity of plants to be observed in the box body 1, and the plant fixing pieces 7 in the embodiment are made of light-tight materials, so that light is prevented from irradiating roots.

In actual conditions, can be according to the experiment demand, when exploring external conditions such as carbon dioxide, oxygen and to the influence of root system growth, can dispose corresponding air feeder to experimental apparatus, and under this condition, need guarantee that box 1 and apron 9 have better leakproofness after the cooperation.

The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.

Claims

1. The utility model provides an observe experimental apparatus that plant roots grows, includes box (1), its characterized in that: the inside of the box body (1) is provided with at least two partition plates (2), the inside of the box body (1) is divided into a plurality of growth areas (3) by the partition plates (2), the upper part of each growth area (3) is provided with a feed inlet (4), the bottom of each growth area is provided with a discharge outlet (5), a plurality of culture tubes (6) are vertically arranged in the growth areas (3), the bottoms of the culture tubes (6) are provided with exchange holes for culture solution to pass in and out the culture tubes (6), the culture tubes (6) are provided with plant fixing sheets (7) for fixing plants to be observed, and the plant fixing sheets (7) are provided with culture ports (8) for the roots of the plants to be observed to pass through;

the top of the box body (1) is provided with a cover plate (9), the bottom plates of the partition plate (2) and the box body (1) are made of light-tight materials, and detachable light shading plates (10) are arranged in the areas, corresponding to each growth area (3), on the outer side of the box body (1).

2. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the growth area (3) is provided with a fixed grid (11), and the culture tube (6) is positioned in the fixed grid (11).

3. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the outer wall of the culture tube (6) is provided with a graduated scale (12), and the zero point of the graduated scale (12) is parallel to the bottom of the implant (7).

4. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the partition (2) comprises a transverse partition (13) and a plurality of longitudinal partitions (14).

5. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the partition boards (2) are a plurality of longitudinal partition boards (14).

6. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the cover plate (9) is clamped at the top of the box body (1), and the distance between the cover plate (9) and the top of the box body (1) is 10-20 cm.

7. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the experimental device further comprises an illumination regulator, and the illumination regulator is used for regulating the illumination intensity of the plant to be observed in the box body (1).

8. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: at least 10 culture tubes (6) are arranged in each growth area (3).

9. An experimental apparatus for observing the growth of a plant root system as claimed in claim 1, wherein: the length of the culture tube (6) is 15-30 cm.