Multi-saline-alkaline gradient planting and lodging-resistant test synchronizing device for saline-alkaline tolerant rice

Abstract

The utility model discloses a multi-saline-alkaline gradient planting and lodging-resistant testing synchronizing device for saline-alkaline tolerant rice, which relates to the field of rice breeding and comprises a breeding bed, a plurality of seedling raising boxes are arranged on the breeding bed, each seedling raising box comprises a box body, a water replenishing component is mounted in each seedling raising box, and a plurality of seedling raising pots are detachably mounted at the top of each seedling raising box. The breeding bed is further provided with an overturning assembly, the overturning assembly drives the seedling raising box to rotate around the shaft rod by an inclination angle of 0-30 degrees and lock the seedling raising box, one side of the breeding bed is provided with a wind power generator, and the height and the angle of the wind power generator can be adjusted and locked. High-quality varieties which are resistant to salt and alkali and resistant to lodging are screened out.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice breeding technology field especially relates to a kind of salt-alkali-tolerant rice multi-salt-alkali gradient planting and lodging resistance test synchronous device. BACKGROUND

[0002] Seawater rice, also known as salt-alkali-tolerant rice, refers to rice that can grow in saline-alkali land with a salt-alkali concentration of 0.3% or more and has a yield of up to 300 kg / 667m 2 The existing salt-alkali-tolerant rice breeding device can only provide a single salt-alkali concentration planting environment and cannot construct a multi-group different salt-alkali concentration gradient planting system, making it difficult to systematically establish a rice growth comparison database under different salt-alkali gradients, resulting in a single evaluation dimension of variety adaptability and an inability to effectively reflect the growth differences of rice under different salt-alkali concentrations. At the same time, this type of device lacks a lodging resistance test structure synchronized with salt-alkali gradient planting, which may result in poor performance of salt-tolerant rice varieties in actual promotion due to plant defects.

[0003] In view of the above related technologies, the inventors believe that there is an urgent need for a salt-alkali-tolerant rice breeding device that can achieve multi-salt-alkali concentration gradient planting and lodging resistance test simultaneously to improve the technical problem of the salt-alkali-tolerant rice breeding evaluation system. UTILITY MODEL CONTENT

[0004] To solve the problem of simultaneous implementation of multi-salt-alkali concentration gradient planting and lodging resistance test, the present application provides a salt-alkali-tolerant rice multi-salt-alkali gradient planting and lodging resistance test synchronous device.

[0005] The salt-alkali-tolerant rice multi-salt-alkali gradient planting and lodging resistance test synchronous device provided by the present application adopts the following technical solution:

[0006] The utility model provides a kind of saline-alkali water rice multi-salt-alkali gradient planting and anti-lodging test synchronous device, including breeding bed, multiple seedling boxes are rotationally arranged on the breeding bed by shaft rod, and the top of the seedling box is detachably mounted with multiple seedling pots;Water replenishing assembly is installed in the seedling box, and the water replenishing assembly transports liquid of different saline-alkali concentrations into the seedling box, the seedling box includes a box body, the water replenishing assembly includes a square box fixed in the box body, the bottom of the square box is provided with a plurality of fine holes, the bottom of the square box is provided with a plurality of supporting legs, the supporting legs keep a gap of 5-15mm between the bottom of the square box and the bottom of the box body, the square box is fixedly connected with a tee pipe, and the other two pipes of the tee pipe are respectively connected with saline-alkali liquid with independent control valve and air pump;The breeding bed is also provided with a turnover assembly, and the turnover assembly is movably connected with all shaft rods, and the turnover assembly drives the seedling box to rotate around the shaft rod by an inclination angle of 0-30° and is locked;One side of the breeding bed is provided with a wind power generator, the wind power generator includes a fan fixing frame and a support frame, the support frame is movably arranged on the breeding bed, the support frame is movably connected with the fan fixing frame, the height and angle of the fan fixing frame can be adjusted and locked, and a plurality of fans are arranged on the fan fixing frame.

[0007] Optionally, shaft rods are fixed on both sides of the box body, the box body has a top opening structure, a cover plate is arranged on the top of the box body, a plurality of mounting holes are arranged on the cover plate, the seedling pot includes a pot body, a flange is arranged on the top of the pot body, the outer diameter of the flange is larger than the inner diameter of the mounting hole, the mounting hole is matched with the pot body to mount the seedling pot, two symmetrical clamping blocks are arranged at each mounting hole of the cover plate, and a clamping hole matched with the clamping block is arranged on the flange.

[0008] Optionally, the support frame includes two vertical rods, connecting shafts are arranged on both sides of the fan fixing frame, the fan fixing frame is located between the two vertical rods, each connecting shaft is movably connected to a vertical rod, a sleeve pipe matched with the vertical rod is symmetrically fixed on one side of the breeding bed, a second bolt is threadedly connected to one side of the sleeve pipe, a plurality of second positioning holes matched with the second bolt are arranged on the vertical rod to adjust the height of the vertical rod, a second handle is fixed to the outer wall of the fan, a third bolt is threadedly connected to the second handle, a plurality of third positioning holes corresponding to the third bolt are arranged on the vertical rod in a fan-shaped distribution around the connecting shaft, and the third positioning holes can be adjusted by an angle of 0-90°.

[0009] Optionally, the overturning assembly comprises a crossbar and a first handle, a connecting rod is vertically fixed on the shaft rod of each side of the box body, a connecting shaft parallel to the shaft rod is arranged on the connecting rod, each connecting shaft is rotationally connected to the crossbar, the first handle is fixed on one of the connecting rods, a first bolt is threadedly connected to the first handle, a plurality of first positioning holes are arranged on the breeding bed and are distributed in a fan shape around the shaft rod on which the first handle is fixed, and the first positioning holes can realize angle adjustment of 0-30 degrees.

[0010] In summary, the present application includes at least one of the following beneficial technical effects:

[0011] The present application can simultaneously cultivate multiple groups of rice with different saline-alkali concentrations by independently controlling the valve and the fine hole of the square box, a growth comparison database is established, and the evaluation dimension of variety adaptability is changed from single to multiple gradients; 0-30° inclination overturning and 0-90° wind direction adjustment can simulate two scenes of static lodging of slope and dynamic lodging of natural wind, screen out high-quality varieties that are resistant to saline-alkali and lodging, and significantly improve the dissolved oxygen content in the saline-alkali liquid through the air pump and the fine hole aeration, reduce the risk of root rot, and ensure the accuracy of breeding experiments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the present application;

[0013] Figure 2 It is a structure schematic view of the seedling raising box of the present application;

[0014] Figure 3 It is a structure schematic view of the seedling raising pot of the present application;

[0015] Figure 4 It is a structure schematic view of the overturning assembly and the wind power generator of the present application;

[0016] Figure 5 It is a structure schematic view of the inside of the box of the present application;

[0017] Figure 6 It is a structure schematic view of the water replenishing assembly of the present application.

[0018] 10, breeding bed; 11, sleeve; 12, second bolt; 13, first positioning hole; 20, seedling box; 21, box body; 22, cover plate; 221, mounting port; 23, clamping block; 24, shaft rod; 25, connecting rod; 30, seedling pot; 31, flange; 32, bayonet; 40, overturning assembly; 41, first handle; 42, cross rod; 43, first bolt; 50, wind power generator; 51, fan; 52, vertical rod; 521, second positioning hole; 522, third positioning hole; 53, second handle; 54, third bolt; 60, water replenishing assembly; 61, square box; 611, fine hole; 62, supporting leg; 63, tee; 64, pagoda nozzle. DETAILED DESCRIPTION

[0019] The terminology used in the following description merely for the purpose of describing particular embodiments and is not intended to limit the application. As used in this description and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "at least one" or "one or more" as used in the following description means one, two, three, or more. The term "and / or" used in the description refers to three relationships of the associated objects; for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone, wherein A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects.

[0020] Reference in the specification to "one embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrases "in one embodiment", "in some embodiments", "in other embodiments", "in additional embodiments" and so on, in various places in the specification are not necessarily all referring to the same embodiment, unless otherwise specifically stated. The terms "comprising", "including", "having" and their variants mean "including but not limited to", unless otherwise specifically stated.

[0021] The following will be described in detail below in conjunction with the accompanying drawings Figures 1-6 The utility model will be described in further detail.

[0022] The application embodiment discloses a salt-alkali water resistant rice multi-salt-alkali gradient planting and lodging resistance test synchronous device, which refers to Figure 1The system includes a breeding bed 10, on which multiple seedling boxes 20 are rotatably mounted. Each seedling box 20 has multiple seedling pots 30. A water supply component 60 is installed inside each seedling box 20. The water supply component 60 is connected to a liquid tank with different salt and alkali concentrations, allowing liquids with different salt and alkali concentrations to be introduced into the seedling box 20. A wind generator 50 is installed on one side of the breeding bed 10. The height and angle of the wind generator 50 are adjustable to facilitate wind direction adjustment for rice plants of different heights.

[0023] Reference Figure 1 , Figure 2 and Figure 3 The seedling box 20 includes a box body 21 with an open top. A cover plate 22 is bolted to the top of the box body 21. Multiple mounting openings 221 are provided on the cover plate 22, and each mounting opening 221 is fitted with a seedling pot 30. The seedling pot 30 includes a hollow pot body with a flange 31 on the top. The outer diameter of the flange 31 is larger than the inner diameter of the mounting opening 221. The mounting opening 221 fits the pot body to facilitate the installation of the seedling pot 30 onto the box body 21. The box body 21 contains a saline solution, and the pot body is submerged in the solution, allowing the roots of the salt-tolerant rice to be submerged. Multiple ventilation holes are provided on the surface of the cover plate 22 to facilitate root aeration and prevent root rot due to lack of oxygen. Two symmetrical locking blocks 23 are provided at each mounting opening 221 on the cover plate 22. The locking blocks 23 have an inverted L-shaped structure, with the height of the suspended end being equal to that of the flange 31. The thickness of the 1 is adapted, and the flange 31 is provided with a locking slot 32 that matches the locking block 23. When installing the seedling pot 30, the locking slot 32 is aligned with the locking block 23. The distance between the two corresponding locking blocks 23 is less than the diameter of the flange 31. Therefore, by rotating the seedling pot 30, the locking block 23 is moved away from the locking slot 32 and pressed on the flange 31, and the seedling pot 30 can be fixed on the cover plate 22. When it is necessary to remove the seedling pot 30, the flange 31 is rotated so that the locking slot 32 aligns with the locking block 23 and then lifted to remove it, so that the rice can be transplanted after the seedling pot 30 is removed. The two sides of the box 21 are fixed with shafts 24. The shafts 24 are rotatably set on the breeding bed 10. The breeding bed 10 is provided with a flipping component 40. Multiple shafts 24 are movably connected to the flipping component 40, so that the flipping component 40 can achieve synchronous tilting of multiple seedling boxes 20 and ensure that the tilting angle is the same.

[0024] Reference Figure 4The overturning assembly 40 comprises a first handle 41 and a crossbar 42, a connecting rod 25 is vertically fixed on each shaft rod 24, the connecting rod 25 is provided with a connecting shaft parallel to the shaft rod 24, the crossbar 42 is rotationally connected with the connecting shaft of all the seedling boxes 20, thereby driving all the seedling boxes 20 to rotate synchronously, the first handle 41 is arranged on one of the connecting rods 25, the first handle 41 is threadedly connected with a first bolt 43, the shaft rod 24 on which the first handle 41 is arranged is fixed with a first angle positioner on the breeding bed 10, the first angle positioner is a fan-shaped structure, the shaft rod 24 passes through the center of the fan-shaped circle, the first angle positioner is provided with a plurality of first positioning holes 13 distributed around the center, the first positioning holes 13 can realize angle adjustment of 0-30°, when it is needed to adjust the angle of the box body 21, the shaft rod 24 on the box body 21 is driven to rotate through the first handle 41, and the first bolt 43 is corresponded with the corresponding first positioning hole 13, at this time, the inclined box body 21 can be fixed on the breeding bed 10, the angle of inclination is adjusted, the rice planted in the seedling pot 30 is in an inclined state, the gentle slope environment of the actual saline-alkali land is simulated, and thereby the lodging resistance of the rice in each seedling pot 30 is tested.

[0025] With reference to Figure 4, One side of the breeding bed 10 is provided with a wind generator 50, the wind generator 50 includes a fan fixing frame and a support frame, a plurality of fans 51 are arranged on the fan fixing frame, the support frame includes two vertical rods 52, both sides of the fan fixing frame are provided with rotating shafts, the fan fixing frame is located between the two vertical rods 52, the two rotating shafts are respectively rotatably connected to the corresponding vertical rods 52, and the breeding bed 10 is symmetrically provided with a sleeve 11 matched with the vertical rods 52 on one side, the sleeve 11 is screw-connected with a second bolt 12 on one side, a plurality of second positioning holes 521 matched with the second bolt 12 are arranged on the vertical rods 52, the vertical rods 52 are screwed into the corresponding second positioning holes 521 through the second bolt 12, so that the height of the fan 51 is adjusted and fixed, so as to adapt to rice of different heights, a second handle 53 is arranged outside the rotating shaft, the second handle 53 is screw-connected with a third bolt 54, the vertical rod 52 is provided with a second angle positioner, the second angle positioner is a fan-shaped structure, the rotating shaft passes through the center of the fan-shaped circle, a plurality of third positioning holes 522 corresponding to the third bolt 54 are arranged on the second angle positioner, the third positioning holes 522 can realize angle adjustment of 0-90°, the third bolt 54 is screwed into the corresponding third positioning hole 522, so that the direction of the fan is adjusted and fixed, in order to avoid the inclination of the breeding bed 10, a counterweight is further fixed on the side away from the wind generator 50, a plurality of fans 51 are used to blow the groups of rice growing in different saline-alkali concentration, so as to test the wind resistance of each group of rice, and the height and angle of the fan 51 are adjusted, so as to adjust the wind direction of rice of different heights, simulate natural wind conditions of different heights (such as rice tillering period and mature period) and different directions (such as coastal land-sea wind), test the dynamic anti-lodging capacity of rice, evaluate the adaptability of varieties in multiple dimensions, so as to reduce the defects of breeding varieties and ensure the selection of salt-tolerant rice varieties.

[0026] Reference Figure 5 and Figure 6The water supplement assembly 60 comprises a square box 61 fixed in the box body 21, a plurality of fine holes 611 are formed in the bottom of the square box 61, a plurality of supporting legs 62 are arranged on the bottom of the square box 61, the square box 61 is kept 5-15mm apart from the bottom of the box body 21 through the supporting legs 62, the fine holes 611 are kept unobstructed, so as to avoid impurities in the solution from entering the square box 61 through the fine holes 611, and also avoid the root system of the rice from growing into the fine holes 611, the square box 61 is fixedly connected with a three-way pipe 63, one end of the three-way pipe 63 is fixedly connected with the square box 61 and communicates with the square box 61, the other two ends of the three-way pipe 63 are fixedly connected with a lotus-shaped nozzle 64 provided with an independent control valve, one of the lotus-shaped nozzles 64 is connected with the water outlet hose of the saline-alkali solution in a plug-in manner and is fixed through a clamp, the other lotus-shaped nozzle 64 is connected with the air outlet hose of the air pump in a plug-in manner and is fixed through a clamp, the opening and closing of the independent control valve is controlled, the independent control of the saline-alkali concentration in each seedling raising box 20 and the solution aeration are realized, when the independent control valve connected with the air pump is opened, the independent control valve connected with the liquid tank is closed, the solution in the box body 21 can be aerated, one is to ensure the uniformity of the saline-alkali concentration in the box body 21, the other is to oxygenate the liquid to avoid root rot, when the valve connected with the air pump is closed and the valve connected with the liquid tank is opened, the saline-alkali solution can be supplemented in the box body 21, the liquid tank containing the saline-alkali solution is higher than the height of the box body 21, so as to supplement the solution in the box body 21 under the action of gravity, the water supplement assembly 60 in each seedling raising box 20 is connected with the liquid tank with different saline-alkali concentrations, the liquid with different saline-alkali concentrations in the liquid tank is introduced into the seedling raising box 20 through the water supplement assembly 60, so as to form the growth comparison of different saline-alkali concentrations, and a plurality of pots are arranged in each group, the independent control valve can realize the independent control of the saline-alkali concentration in each seedling raising box, for example, 0.1%, 0.2%, 0.3% and the like, so as to meet the needs of the system to establish the database for the growth comparison of the rice under different saline-alkali gradients.

[0027] The workflow of the present application is as follows:

[0028] The saline-alkali resistant rice is planted in the seedling pots 30, then the bayonet 32 is corresponded with the clamping block 23 and the flange 31 is rotated, so that the seedling pots 30 are fixed on the seedling boxes 20; then the saline-alkali liquid with different concentrations is introduced into each box 21 through the three-way pipe 63, and the concentration decreases in turn from one side of the fan 51; the height of the fan 51 is adjusted through the height adjustment of the vertical rod 52, and the wind direction angle of the fan 51 is adjusted through the clockwise rotation of the second handle 53, so that the saline-alkali resistant rice of different heights is adapted; after the fan 51 is powered on, the saline-alkali resistant rice in the seedling box 20 is blown, and the lodging state of the rice is observed in the set time, so that the lodging resistance of the rice in different saline-alkali concentration environments can be observed; the fan 51 is closed, the first handle 41 is rotated clockwise, so that the multiple groups of boxes 21 are turned clockwise around the shaft rod 24, then the first bolt 43 is screwed into the first positioning hole 13, so that the saline-alkali resistant rice in the multiple groups of seedling boxes 20 is inclined at the same angle, and the saline-alkali resistant rice seedlings in different saline-alkalinity growth environments are subjected to the lodging resistance test under the action of their own gravity, then the inclination state of the rice with different saline-alkalinity is observed in the set time, so that the device can provide reliable data support for the breeding of saline-alkali resistant rice varieties in multiple dimensions, so as to reduce the defect rate of saline-alkali resistant rice breeding and improve the breeding quality.

[0029] The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiment. Any equivalent modification or change made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A device for simultaneous planting and lodging resistance testing of salt-tolerant rice with multiple salt-alkali gradients, comprising a breeding bed (10), characterized in that: The selective breeding bed (10) is provided with a plurality of seedling boxes (20) through shaft rods (24), the top of the seedling box (20) is detachably provided with a plurality of seedling pots (30); a water supplement assembly (60) is installed in the seedling box (20), the water supplement assembly (60) delivers liquid with different saline-alkali concentrations into the seedling box (20), the seedling box (20) comprises a box body (21), the water supplement assembly (60) comprises a square box (61) fixed in the box body (21), the bottom of the square box (61) is provided with a plurality of fine holes (611), the bottom of the square box (61) is further provided with a plurality of supporting legs (62), the supporting legs (62) keep a gap of 5-15mm between the bottom of the square box (61) and the bottom of the box body (21), the square box (61) is fixedly connected with a three-way pipe (63), the other two pipes of the three-way pipe (63) are respectively connected with a saline-alkali liquid with an independent control valve and an air pump; the selective breeding bed (10) is further provided with a turnover assembly (40), the turnover assembly (40) is movably connected with all the shaft rods (24), the turnover assembly (40) drives the seedling box (20) to rotate around the shaft rod (24) by an inclination angle of 0-30° and is locked; one side of the selective breeding bed (10) is provided with a wind power generator (50), the wind power generator (50) comprises a fan fixing frame and a support frame, the support frame is movably arranged on the selective breeding bed (10), the support frame is movably connected with the fan fixing frame, the height and the angle of the fan fixing frame are adjustable and lockable, and the fan fixing frame is provided with a plurality of fans (51).

2. The device according to claim 1, characterized in that: Both sides of the box body (21) are fixedly provided with shaft rods (24), the box body (21) is an open-top structure, the top of the box body (21) is provided with a cover plate (22), the cover plate (22) is provided with a plurality of mounting holes (221), the seedling pot (30) comprises a pot body, the top of the pot body is provided with a flange (31), the outer diameter of the flange (31) is larger than the inner diameter of the mounting hole (221), the mounting hole (221) is matched with the pot body and used for mounting the seedling pot, the cover plate (22) is provided with two symmetrical clamping blocks (23) at each mounting hole (221), and the flange (31) is provided with a clamping hole (32) matched with the clamping block (23).

3. The device according to claim 1, characterized in that: The supporting frame comprises two vertical rods (52), both sides of the fan fixing frame are provided with connecting shafts, the fan fixing frame is located between the two vertical rods (52), each connecting shaft is rotationally connected to one vertical rod (52), one side of the breeding bed (10) is symmetrically fixed with a sleeve (11) matched with the vertical rod (52), one side of the sleeve (11) is threadedly connected with a second bolt (12), a plurality of second positioning holes (521) matched with the second bolt (12) are formed in the vertical rod (52) for adjusting the height of the vertical rod (52); the outer wall of the fan (51) is fixed with a second handle (53), the second handle (53) is threadedly connected with a third bolt (54), a plurality of third positioning holes (522) corresponding to the third bolt (54) are formed in the vertical rod (52) and are distributed in a fan shape around the connecting shaft, and the third positioning holes (522) can realize 0-90° angle adjustment.

4. The device according to claim 1, characterized in that: The overturning assembly (40) comprises a cross rod (42) and a first handle (41), the shaft rod (24) on one side of each box (21) is vertically fixed with a connecting rod (25), the connecting rod (25) is provided with a connecting shaft parallel to the shaft rod (24), each connecting shaft is rotationally connected to the cross rod (42), the first handle (41) is fixed to one of the connecting rods (25), the first handle (41) is threadedly connected with a first bolt (43), a plurality of first positioning holes (13) are formed in the breeding bed (10) and are distributed in a fan shape around the shaft rod (24) on which the first handle (41) is fixed, and the first positioning holes (13) can realize 0-30° angle adjustment.

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