Cultivation device for corn variety drought tolerance research

Abstract

The invention belongs to the technical field of corn variety drought tolerance research, and particularly relates to a cultivation device for corn variety drought tolerance research, which comprises a temperature adjusting mechanism arranged in a shell and used for adjusting water temperature; the water bath mechanism is arranged in the shell and is communicated with the temperature adjusting mechanism; the multiple planting barrels are distributed in the water bath mechanism in an array mode, openings in the top ends of the planting barrels penetrate out of the water bath mechanism, and the growth temperature of corn seeds in the planting barrels is changed through the water bath mechanism; the ventilation assembly is arranged on the side wall of the shell, and exchange between air in the shell and outside air is completed through the ventilation assembly; the humidity control mechanism is arranged in the shell and used for controlling the humidity of the soil in the planting cylinder; according to the invention, the influence of other conditions on the test can be reduced, and accurate test data can be obtained.

Description

Technical Field

[0001] The invention belongs to the technical field of corn variety drought resistance research, and in particular relates to a cultivation device for corn variety drought resistance research. Background Art

[0002] Drought stress on corn during the germination period will lead to stunted seedling growth, weak bud vigor, small and short root production, weak seedlings, and low survival rate, which will seriously affect the growth and development of grains and the final yield. Therefore, drought resistance evaluation of corn during the germination period has the advantages of short identification time, large capacity, strong repeatability, easy living identification, little damage, and little environmental impact. Screening for drought resistance of corn seeds is an important condition to ensure the growth and development of corn seedlings.

[0003] Existing corn drought tolerance cultivation is generally carried out in greenhouse experiments, which are greatly affected by the outdoor environment and cannot ensure the consistency of test conditions, resulting in inaccurate test data. Summary of the invention

[0004] The purpose of the present invention is to provide a cultivation device for studying drought resistance of corn varieties to solve the above problems.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] A cultivation device for studying drought tolerance of corn varieties, comprising:

[0007] A temperature regulating mechanism is arranged in the housing, and is used to regulate water temperature;

[0008] A water bath mechanism, disposed in the housing and connected to the temperature regulating mechanism;

[0009] A plurality of planting tubes are arranged in an array in the water bath mechanism, and the top openings of the planting tubes pass through the water bath mechanism, so that the growth temperature of the corn seeds in the planting tubes is changed through the water bath mechanism;

[0010] A ventilation assembly is arranged on the side wall of the shell, and the air in the shell is exchanged with the outside air through the ventilation assembly;

[0011] The humidity control mechanism is arranged in the shell and is used to control the humidity of the soil in the planting tube.

[0012] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, the temperature regulating mechanism comprises:

[0013] A mixing water tank, wherein an agitator is arranged inside, and the mixing water tank is connected to the water bath mechanism;

[0014] Two water storage tanks, each of which has a second water pump fixedly installed inside, the water outlet of the second water pump is connected to the mixing water tank through a first water delivery pipe, the water storage tank and the mixing water tank are connected through a first return pipe, a one-way valve is arranged in the first return pipe, and the outlet end of the one-way valve faces the water storage tank, a refrigerator is installed in one of the water storage tanks, and a heater is installed in the other water storage tank;

[0015] The water temperature sensor is fixedly installed in the mixing water tank to monitor the water temperature in the mixing water tank.

[0016] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, the water bath mechanism comprises:

[0017] A water bath is arranged in the housing and located above the mixing water tank. The water bath is connected to a water outlet of a third water pump through a second water delivery pipe. The third water pump is arranged in the mixing water tank. The water bath is connected to the mixing water tank through a second water return pipe.

[0018] A plurality of isolation tubes are arranged in the water bath, and both ends of the isolation tubes are respectively fixedly connected to the inner top wall and bottom wall of the water bath. The plurality of isolation tubes are distributed in an array, and the top openings of the isolation tubes pass through the top surface of the water bath. The plurality of isolation tubes are arranged in one-to-one correspondence with the plurality of planting tubes, and the planting tubes are placed in the isolation tubes and are in sliding contact with the inner wall of the isolation tubes.

[0019] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, the ventilation component comprises:

[0020] Two ventilation holes are provided on two opposite side walls of the shell, and the ventilation holes are located above the water bath. The two ventilation holes are arranged correspondingly, and a bracket is fixedly connected in one of the ventilation holes, and an air supply motor is fixedly connected to the bracket. A plurality of fan blades are fixedly connected to the output shaft of the air supply motor, and the plurality of fan blades are arranged at equal intervals in the circumferential direction.

[0021] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, the humidity control mechanism includes a spray component and a moisture absorption component, and the spray component includes:

[0022] A plurality of spray heads are arranged above the plurality of planting tubes, and the plurality of spray heads are distributed in an array;

[0023] The spray water tank has a first water pump disposed inside, and a water outlet of the first water pump is connected to the plurality of spray heads through a connecting pipe.

[0024] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, the moisture absorption component comprises:

[0025] A water absorption column is slidably connected in a first through hole and a second through hole, wherein the first through hole is provided at the bottom end of the planting tube, and the second through hole is provided on the bottom wall of the water bath, and the first through hole and the second through hole are coaxially arranged;

[0026] An electric lifting rod, a lifting end of which is fixedly connected to the water absorption column, and a power end of the electric lifting rod is fixedly connected in the shell.

[0027] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, a plurality of support column groups are fixedly connected to the top of the water bath, and the plurality of support column groups are arranged in one-to-one correspondence with the plurality of planting tubes. The support column groups include a plurality of flexible columns, and the plurality of flexible columns are arranged at equal intervals in the circumferential direction, and the tops of the flexible columns are in contact with the eaves of the planting tubes.

[0028] In a cultivation device for studying drought resistance of corn varieties provided by the present invention, a plurality of lamp beads are fixedly connected to the inner side wall of the shell at equal intervals in the circumferential direction.

[0029] Compared with the prior art, the present invention has the following advantages and technical effects:

[0030] In the present invention, a temperature regulating mechanism and a water bath mechanism are both arranged in a shell, a planting tube is arranged in the water bath mechanism, and corn seeds of multiple varieties are respectively planted in multiple planting tubes. The water temperature is regulated by the temperature regulating mechanism, and the water with the regulated temperature is passed into the water bath mechanism to control the temperature of the planting tube, thereby regulating the growth temperature of the corn seeds. The water bath heating method makes the growth temperature of the corn seeds in each planting tube the same. The air circulation in the shell is maintained by a ventilation component to control the temperature and humidity of the air environment to be consistent. The humidity of the soil in the planting tube is controlled by the humidity control mechanism, thereby obtaining the germination rate and survival rate of corn seeds of different varieties under the same drought conditions, reducing the influence of other conditions on the test, and obtaining accurate test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0034] Figure 3 for Figure 1A partial enlarged view of point B in the middle;

[0035] Among them, 1. lower shell; 2. upper shell; 3. ventilation hole; 4. lamp bead; 5. spray water tank; 6. first water pump; 7. spray head; 8. connecting ring; 9. planting tube; 10. flexible column; 11. water bath; 12. water storage tank; 13. refrigerator; 14. second water pump; 15. first water pipe; 16. first return pipe; 17. one-way valve; 18. heater; 19. agitator; 20. water temperature sensor; 21. third water pump; 22. second water pipe; 23. corn seeds; 24. monitoring component; 25. electric lifting rod; 26. water absorption column; 27. air supply motor; 28. bracket; 29. ​​fan blade; 30. isolation tube; 31. first through hole; 32. second through hole; 33. mixing water tank; 34. second return pipe. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] Reference Figures 1 to 3 The present invention discloses a cultivation device for studying drought resistance of corn varieties, comprising:

[0039] A temperature regulating mechanism is arranged in the housing and is used to regulate water temperature;

[0040] A water bath mechanism is disposed in the housing and is connected to the temperature regulating mechanism;

[0041] A plurality of planting tubes 9 are arranged in an array in the water bath mechanism, and the top openings of the planting tubes 9 pass through the water bath mechanism, so that the growth temperature of the corn seeds 23 in the planting tubes 9 is changed through the water bath mechanism;

[0042] The ventilation assembly is arranged on the side wall of the shell, and the exchange of air in the shell and outside air is completed through the ventilation assembly;

[0043] The humidity control mechanism is arranged in the shell and is used to control the humidity of the soil in the planting tube 9.

[0044] In the present invention, the temperature regulating mechanism and the water bath mechanism are both arranged in the shell, the planting tube 9 is arranged in the water bath mechanism, and multiple varieties of corn seeds 23 are respectively planted in multiple planting tubes 9. The water temperature is adjusted by the temperature regulating mechanism, and the water with the adjusted temperature is passed into the water bath mechanism to control the temperature of the planting tube 9, thereby adjusting the growth temperature of the corn seeds 23. The water bath heating method makes the growth temperature of the corn seeds 23 in each planting tube 9 the same. The air circulation in the shell is maintained by the ventilation component to control the temperature and humidity of the air environment to be consistent. The humidity of the soil in the planting tube 9 is controlled by the humidity control mechanism, thereby obtaining the germination rate and survival rate of corn seeds 23 of different varieties under the same drought conditions, reducing the influence of other conditions on the experiment, and obtaining accurate test data.

[0045] In a feasible embodiment, the temperature adjustment mechanism includes:

[0046] A mixing water tank 33 is provided with an agitator 19 inside, and the mixing water tank 33 is connected to the water bath mechanism;

[0047] The two water storage tanks 12 are both fixedly installed with a second water pump 14. The water outlet of the second water pump 14 is connected to the mixing water tank 33 through the first water delivery pipe 15. The water storage tank 12 and the mixing water tank 33 are connected through the first return pipe 16. A one-way valve 17 is arranged in the first return pipe 16. The outlet end of the one-way valve 17 faces the water storage tank 12. A refrigerator 13 is installed in one of the water storage tanks 12, and a heater 18 is installed in the other water storage tank 12.

[0048] The water temperature sensor 20 is fixedly installed in the mixing water tank 33 to monitor the water temperature in the mixing water tank 33 .

[0049] In a feasible embodiment, the water bath mechanism comprises:

[0050] The water bath 11 is arranged in the housing and is located above the mixing water tank 33. The water bath 11 is connected to the water outlet of the third water pump 21 through the second water delivery pipe 22. The third water pump 21 is arranged in the mixing water tank 33. The water bath 11 is connected to the mixing water tank 33 through the second return pipe 34.

[0051] Multiple isolation tubes 30 are arranged in the water bath 11. The two ends of the isolation tubes 30 are respectively fixed to the inner top wall and the bottom wall of the water bath 11. The multiple isolation tubes 30 are distributed in an array. The top opening of the isolation tube 30 passes through the top surface of the water bath 11. The multiple isolation tubes 30 are arranged in a one-to-one correspondence with the multiple planting tubes 9. The planting tubes 9 are placed in the isolation tubes 30 and are in sliding contact with the inner wall of the isolation tube 30.

[0052] The water in one of the water storage tanks 12 is cooled by the refrigerator 13, and the water in the other water storage tank 12 is heated by the heater 18, and the cold water and the hot water are simultaneously introduced into the mixing water tank 33, and the water temperature is adjusted by mixing with the stirrer 19, and the flow rate of the two second water pumps 14 is adjusted according to the required temperature, and the water temperature in the mixing water tank 33 is monitored by the water temperature sensor 20, and at the same time, the third water pump 21 is operated to introduce water into the water bath 11, and the water in the water bath 11 is returned to the mixing water tank 33 through the second return pipe 34, forming a cycle, so as to realize the control of the growth temperature of the corn seeds 23;

[0053] In one possible embodiment, the ventilation assembly includes:

[0054] Two ventilation holes 3 are provided on opposite side walls of the shell. The ventilation holes 3 are located above the water bath 11. The two ventilation holes 3 are arranged correspondingly. A bracket 28 is fixedly connected to one of the ventilation holes 3. An air supply motor 27 is fixedly connected to the bracket 28. A plurality of fan blades 29 are fixedly connected to the output shaft of the air supply motor 27. The plurality of fan blades 29 are arranged at equal intervals in the circumferential direction.

[0055] In a feasible embodiment, the humidity control mechanism includes a spray component and a moisture absorption component, and the spray component includes:

[0056] A plurality of spray heads 7 are arranged above the plurality of planting tubes 9, and the plurality of spray heads 7 are distributed in an array;

[0057] The spray water tank 5 is provided with a first water pump 6 inside, and the water outlet end of the first water pump 6 is connected with a plurality of spray heads 7 through a connecting pipe.

[0058] In one possible embodiment, the moisture-absorbing component comprises:

[0059] The water absorption column 26 is slidably connected in the first through hole 31 and the second through hole 32. The first through hole 31 is opened at the bottom end of the planting tube 9, and the second through hole 32 is opened on the bottom wall of the water bath box 11. The first through hole 31 and the second through hole 32 are coaxially arranged;

[0060] The electric lifting rod 25 has a lifting end fixedly connected to the water absorption column 26, and the power end of the electric lifting rod 25 is fixedly connected in the shell.

[0061] In a feasible embodiment, a plurality of support column groups are fixedly connected to the top of the water bath 11, and the plurality of support column groups are arranged one by one corresponding to the plurality of planting tubes 9. The support column groups include a plurality of flexible columns 10, and the plurality of flexible columns 10 are arranged at equal intervals circumferentially, and the top of the flexible column 10 abuts against the tube eaves of the planting tube 9.

[0062] In a feasible embodiment, a plurality of lamp beads 4 are fixedly connected to the inner side wall of the housing at equal intervals in the circumferential direction.

[0063] One of the embodiments:

[0064] The shell includes a lower shell 1 and an upper shell 2. The top end of the lower shell 1 is open. A connecting ring 8 is circumferentially fixed to the inner edge of the top end of the lower shell 1. The top end of the connecting ring 8 protrudes from the lower shell 1 and extends into the bottom end opening of the upper shell 2. The outer edge of the connecting ring 8 is in sliding contact with the inner side wall of the upper shell 2. The spray head 7 and the ventilation hole 3 are all arranged on the upper shell 2. The water bath box 11, the water storage tank 12, and the mixing water tank 33 are all installed in the lower shell 1. The upper shell 2 is set to a transparent material to facilitate the observation of the growth of the corn seeds 23.

[0065] Put the planting soil into the planting tube 9, bury the monitoring component 24 and the corn seeds 23 in the planting soil, and the monitoring component 24 is close to the corn seeds 23. The monitoring component 24 is used to monitor the temperature and humidity of the planting soil. The monitoring component 24 can be selected by technicians in this field according to their own needs; put the planting tube 9 into the isolation tube 30 on the water bath 11, and the tube eaves of the planting tube 9 abut against the top of the flexible column 10 to avoid hard contact between the planting tube 9 and the water bath 11, which may cause damage to the planting tube 9, and facilitate the removal of the planting tube 9;

[0066] The water in one of the water storage tanks 12 is cooled by the refrigerator 13, and the water in the other water storage tank 12 is heated by the heater 18, and the cold water and the hot water are simultaneously introduced into the mixing water tank 33, and the water temperature is adjusted by mixing with the stirrer 19, and the flow rate of the two second water pumps 14 is adjusted according to the required temperature, and the water temperature in the mixing water tank 33 is monitored by the water temperature sensor 20, and at the same time, the third water pump 21 is operated to introduce water into the water bath 11, and the water in the water bath 11 is returned to the mixing water tank 33 through the second return pipe 34, forming a cycle, so as to realize the control of the growth temperature of the corn seeds 23;

[0067] The fan blades 29 are driven by the air supply motor 27 to rotate and supply air into the shell, and the air escapes through another ventilation hole 3 to complete the air circulation, simulating the outdoor environment. The nutrient solution in the spray water tank 5 is transported to the spray head 7 through the first water pump 6, and then sprayed into the planting tube 9 to provide nutrition for the growth of the corn seeds 23; the water absorption column 26 is driven by the electric lifting rod 25 to pass through the first through hole 31 and the second through hole 32 into the planting soil to absorb moisture, so that the planting soil maintains a set degree of drought, and avoids the spraying of the nutrient solution affecting the test;

[0068] When the light is insufficient, the lamp beads 4 are used to supplement the light in the shell. The staff counts the germination rate and survival rate of each variety of corn seeds 23 to determine the drought resistance of the corn seeds 23 .

[0069] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0070] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A cultivation device for studying drought tolerance of corn varieties, characterized in that: include: A temperature regulating mechanism is arranged in the housing, and is used to regulate water temperature; A water bath mechanism, disposed in the housing and connected to the temperature regulating mechanism; A plurality of planting tubes (9) are arranged in an array in the water bath mechanism, the top openings of the planting tubes (9) pass through the water bath mechanism, and the growth temperature of the corn seeds (23) in the planting tubes (9) is changed through the water bath mechanism; A ventilation assembly is arranged on the side wall of the shell, and the air in the shell is exchanged with the outside air through the ventilation assembly; A humidity control mechanism is arranged in the shell and is used to control the humidity of the soil in the planting tube (9).

2. A corn variety drought tolerance research cultivation device according to claim 1, characterized in that: The temperature regulating mechanism comprises: A mixing water tank (33) having an agitator (19) disposed therein, wherein the mixing water tank (33) is connected to the water bath mechanism; The two water storage tanks (12) are both fixedly provided with a second water pump (14) inside. The water outlet of the second water pump (14) is connected to the mixing water tank (33) through a first water delivery pipe (15). The water storage tank (12) and the mixing water tank (33) are connected through a first water return pipe (16). A one-way valve (17) is provided inside the first water return pipe (16). The outlet end of the one-way valve (17) faces the water storage tank (12). A refrigerator (13) is installed in one of the water storage tanks (12), and a heater (18) is installed in the other water storage tank (12). A water temperature sensor (20) is fixedly installed in the mixing water tank (33) to monitor the water temperature in the mixing water tank (33).

3. A corn variety drought tolerance research cultivation device according to claim 2, characterized in that: The water bath mechanism comprises: A water bath (11) is arranged in the housing and located above the mixing water tank (33); the water bath (11) is connected to a water outlet of a third water pump (21) via a second water delivery pipe (22); the third water pump (21) is arranged in the mixing water tank (33); the water bath (11) is connected to the mixing water tank (33) via a second water return pipe (34); A plurality of isolation tubes (30) are arranged in the water bath (11), and the two ends of the isolation tubes (30) are respectively fixedly connected to the inner top wall and the bottom wall of the water bath (11). The plurality of isolation tubes (30) are arranged in an array, and the top openings of the isolation tubes (30) pass through the top surface of the water bath (11). The plurality of isolation tubes (30) are arranged in one-to-one correspondence with the plurality of planting tubes (9), and the planting tubes (9) are placed in the isolation tubes (30) and are in sliding contact with the inner wall of the isolation tubes (30).

4. A corn variety drought tolerance research cultivation device according to claim 3, characterized in that: The ventilation assembly comprises: Two ventilation holes (3) are provided on two opposite side walls of the shell, the ventilation holes (3) are located above the water bath (11), and the two ventilation holes (3) are arranged correspondingly, a bracket (28) is fixedly connected in one of the ventilation holes (3), an air supply motor (27) is fixedly connected to the bracket (28), and a plurality of fan blades (29) are fixedly connected to the output shaft of the air supply motor (27), and the plurality of fan blades (29) are arranged at equal intervals in the circumferential direction.

5. The cultivation device for studying drought tolerance of corn varieties according to claim 3, characterized in that: The humidity control mechanism includes a spray component and a moisture absorption component, and the spray component includes: A plurality of spray heads (7) are arranged above the plurality of planting tubes (9), and the plurality of spray heads (7) are distributed in an array; A spray water tank (5) is provided with a first water pump (6) inside, and a water outlet end of the first water pump (6) is connected to the plurality of spray heads (7) through a connecting pipe.

6. A cultivation device for studying drought tolerance of corn varieties according to claim 5, characterized in that: The moisture absorbing component comprises: A water absorption column (26) is slidably connected in a first through hole (31) and a second through hole (32), wherein the first through hole (31) is provided at the bottom end of the planting tube (9), and the second through hole (32) is provided on the bottom wall of the water bath (11), and the first through hole (31) and the second through hole (32) are coaxially arranged; An electric lifting rod (25) has a lifting end fixedly connected to the water absorption column (26), and a power end of the electric lifting rod (25) is fixedly connected in the housing.

7. The cultivation device for studying drought tolerance of corn varieties according to claim 3, characterized in that: A plurality of support column groups are fixedly connected to the top end of the water bath (11), and the plurality of support column groups are arranged in one-to-one correspondence with the plurality of planting tubes (9). The support column groups include a plurality of flexible columns (10), and the plurality of flexible columns (10) are arranged at equal intervals in the circumferential direction, and the top ends of the flexible columns (10) are in contact with the tube eaves of the planting tube (9).

8. The cultivation device for studying drought tolerance of corn varieties according to claim 1, characterized in that: A plurality of lamp beads (4) are fixedly connected to the inner side wall of the shell at equal intervals in the circumferential direction.

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