CN210929010U

CN210929010U - Root dividing device convenient for observing dynamic change of plant root system configuration

Info

Publication number: CN210929010U
Application number: CN201920942048.2U
Authority: CN
Inventors: 董彩霞; 吴文利; 康亚龙; 徐阳春
Original assignee: Nanjing Agricultural University
Current assignee: Nanjing Agricultural University
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-07-07
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a root dividing device convenient for observing dynamic changes of plant root system configurations, which comprises a root dividing box, wherein the root dividing box is divided into a left root chamber and a right root chamber by a partition plate, any side of the front side and the rear side of the root dividing box is provided with a plate extending downwards to enable the root dividing box to incline for a certain angle, and one side of the partition plate without the extending plate is provided with a notch; the root separating box is made of transparent materials. The utility model discloses simple structure makes the certain angle of root box slope through the board of establishing downwardly extending on any side around the root box, the notch is established in one side that does not extend to the baffle, plants the plant species on the notch, divides into left root room, right root room respectively with the root system, because the slope of root box, the researcher of being convenient for sees through the dynamic change of transparent material's root box observation plant root system configuration, simple structure, easily operation.

Description

Root dividing device convenient for observing dynamic change of plant root system configuration

Technical Field

The utility model relates to a root device, especially a root device convenient to observe plant roots configuration dynamic change.

Background

Global extreme climate change, accelerated urbanization and continuous population increase (from about 73 billion today to 97 billion 2050) will increase the demand of agricultural products for human by 60-110%, which is a serious challenge for future agricultural development in the world. The rapid development of modern plant breeding techniques to optimize the composition of aerial parts of all major crops in the world significantly improves their yield, but this is far from enough because the other half of the root system of the plant is largely ignored. The root system has the function of absorbing water and nutrients in soil, plays a crucial role in adapting plants to complex soil environments, and has been used as a key factor of the 'second green revolution' for improving the crop yield. The root system is unevenly distributed along with the space of nutrients and moisture in the soil, and forms a root system configuration (RSA) with strong plasticity. Therefore, this patent adopts the root device that divides that the tilting is 30, places the root system of same plant in different soil environment such as nutrient stress, temperature stress, water stress, soil-borne disease stress simultaneously, analyzes the dynamic change of root system configuration along with time in the different root chambers to the evaluation plant roots is to the response of soil environment and to the influence of overground part growth.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a root device convenient to observe root system configuration dynamic change.

The technical scheme is as follows: a root dividing device convenient for observing dynamic changes of plant root system configurations comprises a root dividing box, a partition plate divides the root dividing box into a left root chamber and a right root chamber, any side of the front side and the rear side of the root dividing box is provided with a plate extending downwards to enable the root dividing box to incline for a certain angle, and a notch is formed in one side of the partition plate without the extending plate; the root separating box is made of transparent materials. The utility model discloses simple structure makes the certain angle of root box slope through the board of establishing downwardly extending on any side around the root box, the notch is established in one side that does not extend to the baffle, plants the plant species on the notch, divides into left root room, right root room respectively with the root system, because the slope of root box, the researcher of being convenient for sees through the dynamic change of transparent material's root box observation plant root system configuration, simple structure, easily operation.

Furthermore, a water filtering plate is arranged at the bottom of the root separating box.

Furthermore, the water filtering plate is fixed by stop blocks arranged at four corners of the root separating box.

Further, the transparent material is glass or acrylic material.

Furthermore, one side of the root separating box without the extension plate is provided with a fixing foot.

Further, the inclination angle is 25-45 degrees.

Further, the inclination angle is 30 °.

Further, the water filtering holes of the water filtering plate are one or more of round, square, rectangle and triangle.

Has the advantages that: the utility model discloses a root device convenient to observe root system configuration dynamic change compares current technique, has following beneficial effect:

1. the root dividing device provided by the utility model can divide the plant root system into two parts which are respectively arranged in the left root chamber and the right root chamber, different liquid or solid culture mediums can be arranged at the two sides, and the influence of biotic (pathogenic bacteria) or abiotic stress (drought, high temperature, waterlogging, nutrient and the like) on the configuration of the fruit tree root system can be researched and observed;

2. the utility model has the advantages that the downward extending plates are arranged on any side of the front side and the rear side of the root splitting box to enable the root splitting box to incline at a certain angle, the support frame is not required to be built manually, and the root system grows along the inclined plane under the self-generated gravity effect, so that the response of the configuration of the root system of the fruit tree to different conditions of the root chambers on the two sides can be dynamically obtained;

3. the utility model can be filled with liquid culture medium such as ammonium nitrogen nutrient solution, nitrate nitrogen nutrient solution and other nutrient solutions, and can be filled with culture medium such as river sand, vermiculite, glass beads, soil, solid nutrient medium, and the like, and the culture medium is not easy to adhere to the medium, is easy to clean and convenient to recycle;

4. the utility model discloses also can study the plant and plant different plants respectively in left root chamber, right root chamber to observe the response of its root system configuration to different living beings (pathogenic bacterium) or abiotic stress (drought, high temperature, waterlogging, nutrient etc.).

5. The material used by the utility model has low price and simple manufacture.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a plant root division state structure;

FIG. 3 is a schematic view of a water filter plate;

FIG. 4 is a schematic view of a fixing pin structure;

wherein: 1. the water filter comprises a left chamber, a right chamber, an extension plate, a partition plate, a notch, a water filter plate and a fixing foot, wherein the left chamber is 2, the right chamber is 3, the extension plate is 4, the partition plate is 5, the notch is 6, and the fixing foot is 7.

Detailed Description

The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.

As shown in fig. 1, the root dividing device convenient for observing dynamic changes of plant root system configurations comprises a root dividing box, a partition plate 4 divides the root dividing box into a left root chamber 1 and a right root chamber 2, downward extending plates are arranged on any side of the front side and the rear side of the root dividing box to enable the root dividing box to incline for a certain angle, and a notch 5 is arranged on one side of the partition plate 4 without the extending plate 3; as shown in fig. 4, a fixing leg 7 is arranged on one side of the root separating box without the extension plate 3;

the root separating box is made of transparent materials, and the transparent materials are glass or acrylic materials.

As shown in fig. 3, the bottom of the root separating box is provided with a water filtering plate 6, the water filtering plate 6 is fixed by stoppers arranged at four corners of the root separating box, and water filtering holes of the water filtering plate 6 are one or more of round, square, rectangular and triangular.

Example 1

The main operation steps of the application are described by taking a pear tree as an example:

1. base material preparation

A. Fruit tree materials: seedling of pear tree variety 'Cuiguan'; BIO-organic fertilizer (BIO); the fertilizer (CF) is prepared from urea, calcium superphosphate and potassium sulfate.

B. The root separating box is characterized in that the length is ×, the width is ×, the height is 31cm, the width is × 10cm, the height is × 33cm (the inner depth is 30cm), the bottom of the root separating box is provided with a transparent hollow water filtering plate 6 with the length being ×, the width being 15.5cm, the × 10cm and the thickness being 5mm, the water filtering plate 6 is fixed by stop blocks arranged at four corners of the root separating box, the water leakage aperture is 1mm, the plate surface at the front side of the root separating box is provided with an extension plate 3 extending downwards to enable the box body of the root separating box to incline, the inclination angle is 30 degrees, one side without the extension plate 3 is provided with a fixing foot 7, a notch 5 is arranged at one side without the extension plate 3 by a partition plate 4, the partition plate 4 divides the root separating box into a left root chamber 1 and a right.

C. Culture medium: red loam in Fujian pear orchard.

D. The 'Cuiguan' seedlings were collected from the pear orchard of the green fruit industry Co., Ltd, of the mountain village of Shang Tou village, Jianning county, san Ming, Fujian province.

E. Other materials: high definition Digital camera (Canon EOS 750D Digital SLR camera) 1; 1 photostudio is provided; 1 square white paper with the area of 25cm 2; a plurality of marker pens; 1 electronic scale.

(2) Test procedure

First, 6kg of soil substrate was prepared. The matrix is prepared from the following components in percentage by mass: the sand is prepared by uniformly mixing soil and sand according to the proportion of 5:1, and the mixture is divided into two parts with 3kg of each part on average.

Secondly, respectively mixing 600g of BIO-organic fertilizer (2% W/W) and chemical fertilizer into 3kg of matrix, respectively uniformly mixing, respectively filling into a left root chamber 1(BIO) and a right root chamber 2(CF) of a root separating box, and slowly watering for enough moisture.

Thirdly, as shown in fig. 2, the root system of the 'emerald green cap' seedling is divided equally into two parts as much as possible and planted in the left root chamber 1 and the right root chamber 2. The whole root-dividing box is wrapped in tin foil paper in a dark place. During the growth period, water is supplemented every 2-3 days to maintain the normal growth of the seedlings of the 'emerald green crown'.

Fourthly, uncovering the tin foil paper pasted on the front face of the root separating box, pasting a white paper sheet with the area of 5cm2 on the upper left corner of the front face, erecting a high-definition camera at a position 1m away from the front of the root separating box, setting the time delay for 3 seconds, and continuously shooting 3 root system images. Images of root growth were taken every 3 to 5 days until the end of the experiment.

It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a root device convenient to observe plant roots configuration dynamic change which characterized in that: the root separating box is divided into a left root chamber (1) and a right root chamber (2) by a partition plate (4), downward extending plates are arranged on any side of the front side and the rear side of the root separating box to enable the root separating box to incline at a certain angle, and a notch (5) is arranged on one side of the partition plate (4) without the extending plate (3); the root separating box is made of transparent materials.

2. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in claim 1, wherein: the bottom of the root separating box is provided with a water filtering plate (6).

3. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in claim 2, wherein: the water filtering plate (6) is fixed by stop blocks arranged at four corners of the root separating box.

4. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in claim 1, wherein: the transparent material is glass or acrylic material.

5. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in claim 1, wherein: one side of the root separating box without the extension plate (3) is provided with a fixed foot (7).

6. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in any one of claims 1 to 5, wherein: the inclination angle is 25-45 degrees.

7. The root-dividing device convenient for observing the dynamic change of the configuration of a plant root system as claimed in claim 6, wherein: the inclination angle is 30 degrees.

8. The root-dividing device convenient for observing the dynamic change of the configuration of the plant root system as claimed in claim 2 or 3, wherein: the water filtering holes of the water filtering plate (6) are one or more of round, square, rectangle and triangle.