CN216163240U

CN216163240U - Test device for determining seed germination rate by water culture method

Info

Publication number: CN216163240U
Application number: CN202122445425.1U
Authority: CN
Inventors: 刘帅; 吴洁; 崔爱花; 白志刚; 孙巨龙; 胡启星
Original assignee: Jiangxi Cotton Research Institute
Current assignee: Jiangxi Cotton Research Institute
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-05
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a test device for measuring the germination rate of seeds by a water culture method, which comprises a water accumulator, a culture plate, a positioning net and a glass cover; one side of the water accumulator is provided with a water inlet of the water accumulator and a water outlet of the water accumulator, and the water outlet of the water accumulator is controlled to be closed by a valve; the four sides of the culture plate are provided with Z-shaped brackets which are arranged above the four side walls of the water reservoir to support the culture plate, the center of the culture plate consists of a concave culture tank, and the center of the culture tank is provided with a central hole; a positioning net is arranged above the culture plate and consists of a frame and a gauze; and a glass cover is arranged above the water accumulator, the culture plate and the positioning plate and consists of a frame and glass, and grooves are formed in four edges of the frame of the glass cover. The utility model saves time and labor, is convenient to install and simple in structure, can greatly improve the efficiency of measuring the germination rate of seeds, is beneficial to popularization, and has important application value for agricultural scientific researchers and agricultural growers.

Description

Test device for determining seed germination rate by water culture method

Technical Field

The utility model belongs to the technical field of seed germination rate determination, and particularly relates to a test device for determining the seed germination rate by a water culture method.

Background

The germination rate of the seeds is one of important indexes for inspecting the quality of the preserved seeds, is necessary preparation work before sowing, and has important significance in the aspects of estimating the sowing quantity of each mu of seeds and calculating the purchase quantity of the seeds. The traditional laboratory method for determining the germination rate of seeds is a sand culture method, namely, sand soil is filled in a culture pot, a proper amount of water is added, seeds are placed, a proper amount of sand soil is covered, and germination is waited. According to the method, the germination rate can be counted by breaking the soil of the seeds, so that the culture time is mostly more than 48 hours, the counting of the germination data is not fast enough, and time and labor are wasted. In order to solve the problems of long time consumption, inconvenient statistics and the like in the traditional method and improve the working efficiency, a novel and convenient test device for measuring the germination rate of seeds is urgently needed.

SUMMERY OF THE UTILITY MODEL

Based on the defects in the prior art, the utility model aims to provide the test device for measuring the germination rate of the seeds by the water culture method, which is time-saving and labor-saving, convenient to install, simple in structure, capable of greatly improving the efficiency of measuring the germination rate of the seeds, beneficial to popularization and has important application value to agricultural researchers and agricultural growers.

In order to achieve the purpose, the utility model adopts the following technical measures:

a test device for measuring the germination rate of seeds by a water culture method comprises a water storage device, a culture plate, a positioning net and a glass cover; one side of the water accumulator is provided with a water inlet of the water accumulator and a water outlet of the water accumulator, and the water outlet of the water accumulator is controlled to be closed by a valve; z-shaped brackets are arranged on four sides of the culture plate, the Z-shaped brackets are arranged above four side walls of the water reservoir to support the culture plate, a concave culture tank is arranged in the center of the culture plate, and a central hole is formed in the center of the culture tank; a positioning net is arranged above the culture plate and consists of a frame and a gauze; the glass cover is arranged above the water storage device, the culture plate and the positioning net and consists of a frame and glass plates, and grooves are formed in four sides of the frame of the glass cover.

The water storage device and the culture plate are made of hard polyvinyl chloride.

Furthermore, the appearance of the water accumulator is cubic, the top end of the water inlet is open and funnel-shaped, and the water inlet is slightly higher than the upper edge of the water accumulator.

Further, the culture plate is white, the culture plate consists of a concave culture tank, the culture tank is concave, four sides of the concave culture tank are connected with a Z-shaped bracket, the included angle between the Z-shaped bracket and the plane of the concave culture tank is more than 90 degrees, and the height of the Z-shaped bracket is 2 cm; the number of the concave culture tanks is 50-200, the aperture is 0.5-2 cm, and the aperture of the central hole is 2-5 mm.

Furthermore, the positioning net frame is made of 304 stainless steel, and the aperture of the mesh of the gauze is 0.5-2 mm.

Furthermore, the glass cover frame is made of silica gel, the length of the grooves in the middle of the four sides is equivalent to the width of the Z-shaped support, and a certain gap is reserved.

Preferably, a test device for determining the germination rate of seeds by a water culture method is particularly suitable for seeds with the length of 4-15 mm, and a suitable culture plate and a positioning net are selected according to the sizes of the seeds.

Through the technical measures, the culture plate and the positioning net are key parts, the plane of the culture tank in the culture plate is 2cm lower than the upper edge of the water accumulator, so that the water accumulator can conveniently sink seeds on the horizontal plane, when the culture plate is placed in the water accumulator, the four Z-shaped supports can be tightly clamped with the wall of the water accumulator to prevent the culture plate from floating, the center of the culture tank is hollow, water can enter the culture tank from a central hole, and the addition of the water can be controlled finely; the frame of the positioning net is made of 304 stainless steel, can be stably arranged on the surface of the culture tank by means of gravity, and can cover and fix the seeds in the culture tank to prevent the seeds from floating.

Compared with the prior art, the utility model has the following advantages and effects:

1. the utility model has the advantages of simple structure, cheap materials, convenient operation, convenient statistics and easy popularization and application.

2. The device has various purposes, can be used for determining the germination rate of common crop seeds such as rape, wheat, cotton, soybean and the like, greatly improves the statistical efficiency of the germination rate of the seeds, and has important application value for agricultural researchers and agricultural growers.

Drawings

FIG. 1 is a plan view of a test device for measuring germination rate of seeds by hydroponics.

FIG. 2 is a side view of a water reservoir of a test device for determining germination rate of seeds by a water culture method.

FIG. 3 is a cross-sectional view of a culture plate of a test device for measuring the germination rate of seeds by a hydroponic method.

FIG. 4 is a top view of a positioning net of a test device for measuring germination rate of seeds by a water culture method.

FIG. 5 is a top view of a glass cover of a test device for measuring germination rate of seeds by hydroponics.

Wherein: 1-water reservoir, 2-culture plate, 3-positioning net, 4-glass cover, 1 a-water reservoir water inlet, 1 b-water reservoir water outlet, 2 a-Z-shaped bracket, 2 b-concave culture tank and 2 c-central hole.

Detailed Description

Example 1:

as can be seen from FIGS. 1, 2, 3, 4 and 5, a test device for measuring the germination rate of seeds by hydroponics comprises a water reservoir 1, a culture plate 2, a positioning net 3 and a glass cover 4; one side of the water reservoir 1 is provided with a water inlet 1a and a water outlet 1b of the water reservoir, and the water outlet 1b of the water reservoir is controlled to be closed by a valve; the four sides of the culture plate 2 are provided with Z-shaped brackets 2a, the Z-shaped brackets 2a are arranged above the four side walls of the water reservoir 1 to support the culture plate 2, the center of the culture plate 2 is provided with a concave culture tank 2b, and the center of the concave culture tank 2b is provided with a central hole 2 c; a positioning net 3 is arranged above the culture plate 2, and the positioning net 3 consists of a frame and a gauze; be equipped with glass lid 4 above water accumulator 1, culture plate 2, positioning network 3, glass lid 4 comprises frame and glass board, and 4 frame four sides of glass lid all are fluted.

Wherein, the water reservoir 1 and the culture plate 2 are made of rigid polyvinyl chloride; the shape of the water accumulator 1 is cubic, the top end of a water inlet 1a of the water accumulator is open funnel-shaped, and the water inlet 1a of the water accumulator is slightly higher than the upper edge of the water accumulator 1; the color of the culture plate 2 is white, the culture plate 2 consists of a concave culture tank 2b, the concave culture tank 2b is concave, four sides of the concave culture tank 2b are connected with a Z-shaped bracket 2a, the included angle between the Z-shaped bracket 2a and the plane of the culture tank 2b is more than 90 degrees, and the height of the Z-shaped bracket 2a is 2 cm; 50-200 culture tanks 2b are provided, the aperture is 5-20 mm, and the aperture of the central hole 2c is 2-5 mm; the frame of the positioning net 3 is made of 304 stainless steel, and the aperture of the mesh of the gauze is 0.5-2 mm; the frame of the glass cover 4 is made of silica gel, and the width of the grooves in the middle of the four sides is equal to that of the Z-shaped support 2 a; the device is particularly suitable for seeds with the length of 4-15 mm, and a suitable culture plate and a positioning net are selected according to the size of the seeds.

The germination rate measuring device is simple in structure, low in material cost, convenient to popularize, convenient to operate, convenient to count and diverse in application, can be used for measuring the germination rate of common crops such as rape, wheat, cotton and soybeans, greatly improves the germination rate counting efficiency of seeds, and has important application value for agricultural scientific research personnel and agricultural growers.

Experimental example:

the method of using the technical solution in the present embodiment will be further described in detail with reference to the accompanying drawings.

The downstream regions in Yangtze river regions have moist climate and are not beneficial to seed storage. The field rape is used as a test object, seeds are collected in the middle of 5 months, and the field rape is sealed and stored for later use. And (3) storing the seeds until the germination rate is counted before sowing in 9 last ten days, randomly selecting 200 seeds from the seeds, selecting a culture plate with a culture groove aperture of 5mm and a central aperture of 2mm, wherein the culture plate is provided with 10 multiplied by 10 culture grooves in total, and synchronously performing the seed germination rate measurement by adopting two sets of test devices for water culture.

1 seed is put into every culture tank to put the positioning network on culture tank, the gauze face of positioning network closely laminates with the culture plate, and closely links to each other with Z shape support, then puts the culture plate in the water accumulator top, presses Z shape support upper edge with the hand and pushes down to Z shape support upper edge and water accumulator top edge laminating, relies on Z shape support elasticity to make the positioning network and cultivate between board, culture plate and the water accumulator chucking. And closing a water outlet valve of the water accumulator, injecting water from the water inlet of the water accumulator until the water quantity is higher than 1/2 parts of rape seeds, and finally covering a glass cover, wherein gaps are reserved between the sunken parts of the four sides of the glass cover and the Z-shaped bracket to keep certain air circulation. Then the test device for measuring the seed germination rate by the water culture method is placed in an indoor ventilation position, the starting time is recorded, the rape seeds germinate after 12 hours, the germination rate is calculated to be 82.5 percent, at the moment, the water in the reservoir is observed to have a certain evaporation amount, a proper amount of water is injected from the water injection port, and the germination rate is calculated again after 24 hours to reach 91 percent. After the test is finished, the glass cover, the culture plate and the positioning net are sequentially taken down, the valve of the water accumulator is opened to drain water, and all the parts are properly stored after being cleaned.

By adopting the technical scheme, the germination rate measuring device is simple in structure, low in material cost, beneficial to popularization, convenient to operate, convenient to count, suitable for measuring the germination rates of various crop seeds, capable of greatly improving the germination rate measuring efficiency and beneficial to agricultural scientific research workers and agricultural growers to carry out work.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the modifications or substitutions within the technical scope of the present invention should be included in the scope of the present invention.

Claims

1. A test device for measuring the germination rate of seeds by a water culture method comprises a water storage device (1), a culture plate (2), a positioning net (3) and a glass cover (4); one side of the water accumulator (1) is provided with a water inlet (1a) and a water outlet (1b) of the water accumulator, and the water outlet (1b) of the water accumulator is controlled to be closed by a valve; z-shaped supports (2a) are arranged on four sides of the culture plate (2), the Z-shaped supports (2a) are arranged above four side walls of the water storage device (1) to support the culture plate (2), a concave culture tank (2b) is arranged in the center of the culture plate (2), and a central hole (2c) is formed in the center of the concave culture tank (2 b); a positioning net (3) is arranged above the culture plate (2), and the positioning net (3) consists of a frame and a gauze; a glass cover (4) is arranged above the water storage device (1), the culture plate (2) and the positioning net (3), the glass cover (4) is composed of a frame and glass plates, and four edges of the frame of the glass cover (4) are provided with grooves.

2. The test device for determining the germination rate of seeds by hydroponics as claimed in claim 1, wherein: the water storage device (1) and the culture plate (2) are made of hard polyvinyl chloride.

3. The test device for determining the germination rate of seeds by hydroponics as claimed in claim 1, wherein: the water storage device (1) is cubic, the top end of the water inlet (1a) of the water storage device is open and funnel-shaped, and the water inlet (1a) of the water storage device is higher than the upper edge of the water storage device (1).

4. The test device for determining the germination rate of seeds by hydroponics as claimed in claim 1, wherein: the color of the culture plate (2) is white, the culture plate (2) is composed of a concave culture tank (2b), the concave culture tank (2b) is concave, four sides of the concave culture tank (2b) are connected with a Z-shaped bracket (2a), the included angle between the Z-shaped bracket (2a) and the concave culture tank (2b) is more than 90 degrees, and the height of the Z-shaped bracket (2a) is 2 cm; the number of the concave culture tanks (2b) is 50-200, the aperture is 0.5-2 cm, and the aperture of the central hole (2c) is 2-5 mm.

5. The test device for determining the germination rate of seeds by hydroponics as claimed in claim 1, wherein: the frame of the positioning net (3) is made of 304 stainless steel, and the aperture of the mesh of the gauze is 0.5-2 mm.

6. The test device for determining the germination rate of seeds by hydroponics as claimed in claim 1, wherein: the frame of the glass cover (4) is made of silica gel, and the grooves in the middle of the four sides are equivalent to the width of the Z-shaped support (2 a).