CN220875190U - Device for simulating seedling stage stress - Google Patents
Device for simulating seedling stage stress Download PDFInfo
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- CN220875190U CN220875190U CN202322490260.9U CN202322490260U CN220875190U CN 220875190 U CN220875190 U CN 220875190U CN 202322490260 U CN202322490260 U CN 202322490260U CN 220875190 U CN220875190 U CN 220875190U
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- seedling
- seedling stage
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- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 241000196324 Embryophyta Species 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000012010 growth Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 38
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008641 drought stress Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 241000208818 Helianthus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000036579 abiotic stress Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000019552 anatomical structure morphogenesis Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000002366 mineral element Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses a simulated seedling stage stress device, which relates to the technical field of stress devices and comprises a solution box, a detection mechanism, an oxygen pump and a seedling raising tray, wherein the seedling raising tray is movably connected to the upper opening of the solution box, a seedling raising Miao Gexue tray is used for accommodating plant seedlings, a liquid inlet pipe is arranged on the solution box, stress solution is accommodated in the solution box, and the detection mechanism and the oxygen pump are arranged in the solution box and used for detecting the concentration of substances. The utility model adopts a water culture mode to simulate the stress growth of crops in the seedling stage, can relatively improve the efficiency of the stress experiment in the seedling stage, can control the concentration of the stress solution after the experiment, and reduces the experimental error.
Description
Technical Field
The utility model relates to the technical field of stress devices, in particular to a device for simulating seedling stage stress.
Background
Various abiotic stresses, such as drought, flood saline-alkali and mineral elements, are always encountered during the growth and development of crops, and the stresses lead to a great deal of crop yield reduction, so that the cultivation of stress-tolerant and stress-tolerant plant materials is the goal of many agricultural scientific researchers. It is well known that seedling stage is a critical stage of crop morphogenesis, and the seedling stage is stressed and related to the later growth and development and the formation of yield and quality, so that many scholars focus on the seedling stage, and the seedling stage potting experiment is the choice of many researchers.
However, as the potting experiments mostly use soil, the soil environment has good air permeability and sufficient nutrition, but the moisture and the nutrition are unevenly distributed in the soil environment, the chemical form, concentration and proportion of the nutrition cannot be adjusted, and the experiments with high general accuracy requirements and the new technology exploratory experiments cannot be performed. Although the hydroponic experiment can well solve the problems, and has the advantages of small occupied space, no need of controlling plant diseases and insect pests and weeds in the experimental process, water conservation, high yield and the like, the plant root system is soaked in water for a long time, and hypoxia can be caused. Therefore, a device combining soil culture and water culture is designed, so that the early growth of plants is guaranteed, the aim of stress can be achieved, and the problems are solved.
Disclosure of utility model
The utility model aims to provide a seedling stage stress simulating device which solves the problems in the prior art and enables plant seedlings to perform stress growth with accurate concentration.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a seedling stage stress simulation device which comprises a solution box, a detection mechanism, an oxygen pump and a Miao Gexue tray, wherein the upper opening of the solution box is movably connected with the seedling raising tray, the seedling raising tray is internally used for accommodating plant seedlings, a liquid inlet pipe is arranged on the solution box, stress solution is contained in the solution box, the detection mechanism and the oxygen pump are arranged in the solution box, and the detection mechanism is used for detecting the concentration of substances.
Preferably, the stress solution comprises a PEG solution, a salinity solution, and an alkalinity solution.
Preferably, the detection mechanism comprises a liquid level meter and a concentration meter.
Preferably, the device further comprises a controller, the liquid inlet pipe is connected with a replenishing tank corresponding to the concentration stress solution, an electromagnetic flow valve is arranged on the liquid inlet pipe, and the electromagnetic flow valve and the detection mechanism are all in communication connection with the controller.
Preferably, the solution tanks are provided with a plurality of groups, and the stress solution concentration in each solution tank is different.
Preferably, the upper edge of the seedling raising tray is clamped on the upper opening of the solution tank, the seedling raising tray comprises a plurality of seedling raising cups, the bottom surface of each seedling raising cup is a layer of film, and roots of plant seedlings can pierce through the film.
Preferably, the solution tank is made of transparent materials.
Preferably, the liquid inlet pipe is made of corrosion-resistant materials.
Compared with the prior art, the utility model has the following technical effects:
The utility model adopts a water culture mode to simulate the stress growth of crops in the seedling stage, can relatively improve the efficiency of the stress experiment in the seedling stage, can control the concentration of the stress solution after the experiment, and reduces the experimental error.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a simulated seedling stage stress device in an embodiment of the utility model;
wherein: 1-solution box, 2-Miao Gexue trays, 3-film, 4-detection mechanism, 5-oxygen pump, 6-controller, 7-liquid inlet pipe, 8-electromagnetic flow valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to fall within the scope of the utility model.
The utility model aims to provide a seedling stage stress simulating device, which solves the problems in the prior art and enables plant seedlings to perform stress growth with accurate concentration.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1: the embodiment provides a simulation seedling stage stress device, including solution case 1, detection mechanism 4, oxygen pump 5 and seedling raising lattice tray 2, the upper shed swing joint of solution case 1 has to educate Miao Gexue tray 2, educate Miao Gexue and be used for holding the plant seedling in the tray 2, is provided with feed liquor pipe 7 on the solution case 1, holds the stress solution in the solution case 1, is provided with detection mechanism 4 and oxygen pump 5 in the solution case 1, and detection mechanism 4 is used for detecting the material concentration. The oxygen pump 5 can ensure good ventilation of plant seedling root systems.
As a preferred scheme, the stress solution of the embodiment comprises a PEG solution, a salinity solution and an alkalinity solution, the liquid level of the stress solution is flush with the film, the root systems of the plant seedlings are prevented from being directly exposed in the air, and stress seedling raising experiments of drought stress and salinity alkalinity with different concentrations can be performed according to experimental requirements.
As a preferred scheme, the detection mechanism 4 of the embodiment comprises a liquid level meter and a concentration meter, if drought stress seedling experiment is performed, the liquid level meter is selected to monitor the liquid level of the PEG solution, and when the liquid level is lower than a set value, water supplementing is needed to keep the concentration of the PEG solution unchanged; if a stress seedling experiment of the salt alkalinity is carried out, a concentration meter is selected to be used, the concentration of the salt alkalinity solution is required to be monitored, and the supplementary additive is maintained.
As a preferred scheme, the embodiment further comprises a controller 6, the liquid inlet pipe 7 is connected with a replenishing tank corresponding to the concentration stress solution, the liquid inlet pipe 7 is provided with an electromagnetic flow valve 8, and the electromagnetic flow valve 8 and the detection mechanism 4 are both in communication connection with the controller 6, so that the liquid inlet amount can be conveniently adjusted according to detection data, the accurate blending ratio of the concentration of the stress solution is realized, and the accurate control of the concentration of the stress solution is realized; the controller 6 sets a minimum liquid level value (typically, the liquid level drops by 2mm-10mm, and in this embodiment, drops by 5 mm), and when the liquid level drops to the minimum liquid level value, the electromagnetic flow valve 8 is controlled to open for liquid feeding.
As a preferred solution tank 1 of the present embodiment is provided with a plurality of groups, and the stress solution concentration in each solution tank 1 is different, and reference is made to each other for comparison.
As the preferred scheme, the upper edge joint of the Miao Gexue dish 2 of educating of this embodiment is on the upper mouth of solution case 1, educates Miao Gexue and includes a plurality of seedling cup on the dish 2, ensures survival rate and the survival quantity of plant seedling, and the bottom surface of seedling cup is one deck film 3, and the root of plant seedling can puncture film 3. Wherein, before seeding from the tray 2 of the culturing Miao Gexue to the stress experiment, the seedlings of the plants only perform normal watering growth on the tray 2 of the seedling raising lattice, and the solution tank 1 is not provided with any solution.
As the preferred scheme, the solution box 1 of this embodiment is transparent material, and the root growth of the plant seedling changes and solution liquid level changes of being convenient for audio-visual observation. The liquid inlet pipe 7 is made of corrosion-resistant materials, such as rubber, so that the corrosion of saline-alkali solution can be avoided.
Taking sunflower seedling drought stress experiment as an example, stress solutions in the embodiment are polyethylene glycol (PEG-6000) solutions with different concentrations, and the detection mechanism 4 is a liquid level meter. The specific experimental operation is as follows:
When a group of drought stress experiments are to be carried out, at least two experiment group devices and one control group device are prepared, firstly, seedling raising matrixes with the same quality are filled in each of the Miao Gexue trays 2, then seeds with uniform and full size are selected to be sown in the Miao Gexue trays 2, the same quantity of the seeds sown in each seedling raising cup is ensured, conventional watering management is carried out at the early stage of seed germination, and when seedlings grow to the root system and are about to penetrate through a film, stress treatment is started. The PEG solutions with different concentrations are respectively prepared and poured into the solution box 1 of the experimental group, the equivalent amount of clear water is added into the solution box 1 of the control group, the liquid level of the added solution is contacted with the bottom film of the seedling raising lattice, and at the moment, the stress experiment is started, and the seedling raising lattice tray 2 is not watered. When the root system of the seedling penetrates through the bottom film and enters the solution, the stress experiment is started, and at the moment, the oxygen pump 5 is started to introduce oxygen. If the stress is to be continued for a period of time, the liquid level meter can detect the liquid level in the solution tank 1 and transmit data to the controller 6, water can be absorbed by evaporation or seedling roots in the stress process, so that the liquid level in the solution tank 1 is reduced, a lowest liquid level value is set in the controller 6, when the liquid level is reduced to the lowest liquid level value, the electromagnetic flow valve 8 is controlled to be opened, the water can be supplemented to reach the original height through the liquid inlet pipe 7, and the concentration of the solution is ensured to be unchanged. After the stress is over, the seedlings are taken and washed clean, and sampling and detection can be performed.
The seedling stage stress simulation device can relatively improve the efficiency and control experimental precision of seedling stage drought experiments; the method can also be used for culturing seedlings under the stress of different saline-alkali degrees, the distribution and growth conditions of plant root systems can be clearly observed in a water culture mode, and the method occupies less space and is lower in cost.
The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. The utility model provides a simulation seedling stage stress device which characterized in that: including solution case, detection mechanism, oxygen pump and educate Miao Gexue dishes, the upper shed swing joint of solution case has educate seedling tray, be used for holding the plant seedling in educating seedling tray, be provided with the feed liquor pipe on the solution case, the solution incasement contains the stress solution, be provided with in the solution case detection mechanism with the oxygen pump, detection mechanism is used for detecting material concentration.
2. The simulated seedling stage stress device of claim 1, wherein: the stress solution comprises a PEG solution, a salinity solution, or an alkalinity solution.
3. The simulated seedling stage stress device of claim 1, wherein: the detection mechanism comprises a liquid level meter and a concentration meter.
4. The simulated seedling stage stress device of claim 1, wherein: the device comprises a liquid inlet pipe, and is characterized by further comprising a controller, wherein the liquid inlet pipe is connected with a replenishing tank corresponding to the concentration stress solution, an electromagnetic flow valve is arranged on the liquid inlet pipe, and the electromagnetic flow valve and the detection mechanism are all in communication connection with the controller.
5. The simulated seedling stage stress device of claim 4, wherein: the solution box is provided with a plurality of groups, and every the stress solution concentration in the solution box is different.
6. The simulated seedling stage stress device of claim 1, wherein: the upper edge of the seedling raising tray is clamped on the upper opening of the solution tank, the seedling raising tray comprises a plurality of seedling raising cups, the bottom surface of each seedling raising cup is a layer of film, and roots of plant seedlings can pierce through the film.
7. The simulated seedling stage stress device of claim 1, wherein: the solution tank is made of transparent materials.
8. The simulated seedling stage stress device of claim 1, wherein: the liquid inlet pipe is made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322490260.9U CN220875190U (en) | 2023-09-14 | 2023-09-14 | Device for simulating seedling stage stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322490260.9U CN220875190U (en) | 2023-09-14 | 2023-09-14 | Device for simulating seedling stage stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220875190U true CN220875190U (en) | 2024-05-03 |
Family
ID=90876864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322490260.9U Active CN220875190U (en) | 2023-09-14 | 2023-09-14 | Device for simulating seedling stage stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220875190U (en) |
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2023
- 2023-09-14 CN CN202322490260.9U patent/CN220875190U/en active Active
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