CN114287260A - Wheat root system cultivation device and whole root system acquisition method - Google Patents
Wheat root system cultivation device and whole root system acquisition method Download PDFInfo
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- CN114287260A CN114287260A CN202111445734.7A CN202111445734A CN114287260A CN 114287260 A CN114287260 A CN 114287260A CN 202111445734 A CN202111445734 A CN 202111445734A CN 114287260 A CN114287260 A CN 114287260A
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Abstract
The invention relates to a wheat root system cultivation device and a full root system acquisition method, belonging to the field of wheat cultivation, wherein the device comprises a grid frame and cultivation columns; the grid frame comprises at least two layers of grid plates, and grid holes are uniformly distributed in the grid plates; the cultivation column comprises a square column, a plugboard and a bottom support; the square column is hollow and is provided with a groove part and a plug board part; the groove part comprises an opening arranged on the front side surface of the square column, extending edges are arranged on two sides of the opening, and through holes are arranged on the extending edges; the plug board is inserted into the square column through the plug board part; the bottom end of the square column is embedded in the bottom support. The device adopts the square column, structurally improves, guarantees wheat root system's smooth growth, acquires in full root system, changes traditional upward extraction column and for the downwardly extending extraction column, changes simultaneously to wash and gets the root method and get the root for soaking, effectively reduces the injury to the root system, has improved work efficiency.
Description
Technical Field
The invention belongs to the technical field of wheat cultivation, and particularly relates to a wheat root pool cultivation device and a whole root system acquisition method.
Background
The root system is an integral organic component of the plant body and has a very important position in plant nutrition and metabolic synthesis, the root system is not only an absorption organ, but also one of two major systems for exchanging underground substances and information on the ground, and in addition, the root system can be used as a measurement index of the growth and development of the plant and an index for comprehensively reflecting the environments such as soil physics, chemistry and the like. Therefore, the root system research has great theoretical and production practical significance. In the research of morphological characteristics, physiological functions and growth and development rules of root systems, the premise of root system research is to separate plant root from soil and clean the root system.
Among the current root system cleaning device, there are very big limitation, unicity in the cleaning process, mainly embody the root soil effectively separation to the plant, in addition, in root soil separation, root system cleaning process, because the atress is uneven great to the root system damage of plant, seriously influenced the research and analysis of root system.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a wheat root system cultivation device and a method for obtaining the whole root system of wheat by using the device. The device adopts the square column, structurally improves, guarantees wheat root system's smooth growth, acquires in full root system, changes traditional upward extraction column and for the downwardly extending extraction column, changes simultaneously to wash and gets the root method and get the root for soaking, effectively reduces the injury to the root system, has improved work efficiency.
In order to achieve the purpose, the invention adopts the specific scheme that:
a wheat root system cultivation device comprises a grid frame and cultivation columns; the grid frame comprises at least two layers of grid plates, and square grid holes are uniformly distributed on the grid plates; the cultivation column comprises a square column, a plugboard and a bottom support; the square column is hollow and is provided with a groove part and a plug board part; the groove part comprises an opening which is arranged on the front side surface of the square column and extends from the top end to the bottom end, extending edges are arranged on the left side and the right side of the opening, and a plurality of through holes for connecting wires to penetrate are arranged on the extending edges; the plate inserting part comprises two opposite bulges which are respectively arranged at the front ends of the left side surface and the right side surface of the square column; the inserting plate is inserted into the square column through the bulges; the bottom end of the square column is embedded in the bottom support.
As a further optimization of the above, the length of the opening is not greater than the width of the front side.
The invention also discloses a method for obtaining the whole root system of the wheat by using the wheat root pool cultivation device, which comprises the following steps:
inserting the inserting plate into the inserting plate part of the square column, then fastening the square column through a through hole by adopting a connecting wire, clamping and embedding a bottom support below the square column, and forming a cultivation column after installation;
step two, erecting the grid frame above the ground, wherein the erecting height is greater than the length of the cultivation column; a padding height is arranged below the grid frame corresponding to each grid hole to prevent the cultivation columns from falling;
inserting the cultivation columns into the grid holes of the grid frame, wherein the top ends of the cultivation columns are higher than the grid plate on the uppermost layer;
step four, filling soil: filling gaps at the periphery of the cultivation column above the uppermost grid plate by using plastic foam, and filling soil above the plastic foam until the gaps are level to the top end of the cultivation column; then filling soil into the cultivation columns;
step five, cultivation: planting wheat in each cultivation column;
and step six, removing the heightening below the corresponding grid hole at the end of the growth period or the period needing observation and study, drawing the cultivation columns out of the lower part of the grid frame, horizontally placing the cultivation columns into a soaking pool, drawing off the plug board, soaking for 4-6 hours in water, then obliquely placing the cultivation columns, drawing off the bottom support, and flushing for 1-2 hours by adopting low-speed water flow to obtain the whole root system of the wheat.
As a further optimization of the scheme, the filling soil in the step four is mixed soil with the ratio of filling sand to loam being 1: 1.
As a further optimization of the scheme, in the fifth step, three wheat plants are planted in each cultivation column.
Has the advantages that:
the wheat root system cultivation device provided by the invention adopts square columnar cultivation. The square columnar device has the advantages that 1, a relatively closed space is provided for the growth of the wheat root system, and the whole wheat root system is conveniently researched; 2. the square cultivation column is not easy to roll, and is convenient for soaking the root system in the later period; 3. the design of the groove and the inserting plate is superior to that of a traditional round column, so that the root system damage caused by internal soil loosening when the column is opened can be reduced; 4. the cultivation post can be consolidated to the spacing connecting wire, prevents that the interior soil of post from propping up the cultivation post under the action of gravity.
Drawings
FIG. 1 is a schematic structural view of a wheat root system cultivation device according to the present invention;
FIG. 2 is a schematic structural view of the square column;
FIG. 3 is a top view of the square column;
FIG. 4 is a schematic view of the structure of the square column in example 1 after being combined with an insert plate;
FIG. 5 is a schematic view of the structure of the square column in example 2 after being combined with an insert plate;
FIG. 6 is a schematic view of the shoe construction;
in the figure: 1. a grid frame; 101. mesh holes; 2. a square column; 201. an opening; 202. a protrusion; 203. edge extension; 204. perforating; 3. inserting plates; 4. connecting wires; 5. and a bottom support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, and that the configuration and operation of the specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
A wheat root system cultivation device comprises a grid frame 1 and cultivation columns; as shown in fig. 1, the grid frame 1 includes an upper grid plate, a middle grid plate and a lower grid plate, wherein grid holes 101 are formed in the upper grid plate, the middle grid plate and the lower grid plate, and the grid holes 101 at corresponding positions on the upper grid plate, the middle grid plate and the lower grid plate are vertically communicated with each other; the cultivation column comprises a square column 2, a plugboard 3 and a bottom support 5; as shown in fig. 2-4, the square column 2 is hollow, and is provided with a groove part and a plate insertion part; the groove part comprises an opening 201 which is arranged on the front side surface of the square column 2 and extends from the top end to the bottom end, extending edges 203 are arranged on the left side and the right side of the opening 201, the opening 201 is arranged in the middle of the front side surface, and the length of the opening 201 is half of the width of the front side surface; a plurality of through holes 204 for connecting the connecting wires 4 are arranged on the extended edges 203; the plate inserting part comprises two opposite protrusions 202, and the two protrusions 202 are respectively arranged at the front ends of the left side surface and the right side surface of the square column 2; the inserting plate 3 is inserted into the square column 2 through the protrusion 202; the collet 5 is arranged at the bottom end of the square column 2, the shape of the collet 5 is matched with the square column 2 to enable the bottom end of the square column 2 to be clamped and embedded in the collet 5, and soil in the square column 2 is prevented from falling out.
Example 2
The structure is basically similar to that described in embodiment 1, except that the size of the opening 201, and the length of the opening 201 in embodiment 2 is equal to the width of the front side.
When the wheat root system cultivation device described in embodiment 1 or embodiment 2 is used for obtaining the whole root system, the specific operations are as follows:
inserting the inserting plate 3 into the plate inserting part of the square column 2, then fastening the square column 2 through the through hole 204 by adopting a connecting wire 4, and clamping and embedding the bottom support 5 below the square column 2 to form a cultivation column after installation;
step two, erecting the grid frame above the ground, wherein the erecting height is greater than the length of the cultivation column; a padding height is arranged below the grid frame corresponding to each grid hole to prevent the cultivation columns from falling;
inserting the cultivation columns into the grid holes 101 of the grid frame 1, wherein the top ends of the cultivation columns are higher than the grid plate on the uppermost layer;
step four, filling soil: filling gaps at the periphery of the cultivation column above the uppermost grid plate by using plastic foam, and then filling soil above the plastic foam until the gaps are level to the top end of the cultivation column; then filling soil into the cultivation columns; the filling soil used for filling is mixed soil with the mass ratio of sand to loam of 1: 1;
step five, cultivation: the wheat cultivation is carried out according to the normal cultivation dibbling or hole sowing, and three wheat are planted in each cultivation column;
and step six, removing the heightening below the corresponding grid hole at the end of the growth period or the period needing observation and study, lifting the cultivation column out from the lower part of the grid frame, horizontally placing the cultivation column into a soaking pool, taking out the inserting plate 3, soaking for 4-6 hours in water, then placing the cultivation column with an inclination of 10 degrees, taking out the bottom support 5, and washing for 1-2 hours by adopting low-speed water flow to obtain the whole root system of the wheat.
The method is adopted to obtain the whole root system of the wheat and analyze the whole root system, and the result is as follows:
table 1: dry land variety root system determination index and yield correlation analysis
The correlation analysis is carried out by measuring indexes and yield, and the result shows that: there was a very significant correlation between average diameter, number of secondary roots, dry root weight and biomass of dry-land wheat and yield.
Table 2: multiple comparisons of root analysis between different varieties
The method is beneficial to the research of wheat root systems, and greatly improves the working efficiency.
It should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the invention, which is defined by the appended claims. It will be apparent to those skilled in the art that certain insubstantial modifications and adaptations of the present invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a wheat root system cultivation device which characterized in that: comprises a grid frame and a cultivation column; the grid frame comprises at least two layers of grid plates, and square grid holes are uniformly distributed on the grid plates; the cultivation column comprises a square column, a plugboard and a bottom support; the square column is hollow and is provided with a groove part and a plug board part; the groove part comprises an opening which is arranged on the front side surface of the square column and extends from the top end to the bottom end, extending edges are arranged on the left side and the right side of the opening, and a plurality of through holes for connecting wires to penetrate are arranged on the extending edges; the plate inserting part comprises two opposite bulges which are respectively arranged at the front ends of the left side surface and the right side surface of the square column; the inserting plate is inserted into the square column through the bulges; the bottom end of the square column is embedded in the bottom support.
2. The wheat root system cultivating device according to claim 1, wherein: the length of the opening is not greater than the width of the front side.
3. The method for obtaining the whole root system of wheat by using the wheat root system cultivating device as claimed in any one of claims 1-2, wherein: the method comprises the following steps:
inserting the inserting plate into the inserting plate part of the square column, then fastening the square column through a through hole by adopting a connecting wire, clamping and embedding a bottom support below the square column, and forming a cultivation column after installation;
step two, erecting the grid frame above the ground, wherein the erecting height is greater than the length of the cultivation column; a padding height is arranged below the grid frame corresponding to each grid hole to prevent the cultivation columns from falling;
inserting the cultivation columns into the grid holes of the grid frame, wherein the top ends of the cultivation columns are higher than the grid plate on the uppermost layer; step four, filling soil: filling gaps at the periphery of the cultivation column above the uppermost grid plate by using plastic foam, and filling soil above the plastic foam until the gaps are level to the top end of the cultivation column; then filling soil into the cultivation columns;
step five, cultivation: planting wheat in each cultivation column;
and step six, removing the heightening below the corresponding grid hole at the end of the growth period or the period needing observation and study, drawing the cultivation columns out of the lower part of the grid frame, horizontally placing the cultivation columns into a soaking pool, drawing off the plug board, soaking for 4-6 hours in water, then obliquely placing the cultivation columns, drawing off the bottom support, and flushing for 1-2 hours by adopting low-speed water flow to obtain the whole root system of the wheat.
4. The method of claim 3, wherein: and step four, filling soil is mixed soil with the ratio of filling sand to loam being 1: 1.
5. The method of claim 3, wherein: and in the fifth step, three wheat plants are planted in each cultivation column.
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2021
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