CN117598128A - Seedling tray for observing root systems of sandy plants and seedling method - Google Patents
Seedling tray for observing root systems of sandy plants and seedling method Download PDFInfo
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- CN117598128A CN117598128A CN202410096036.8A CN202410096036A CN117598128A CN 117598128 A CN117598128 A CN 117598128A CN 202410096036 A CN202410096036 A CN 202410096036A CN 117598128 A CN117598128 A CN 117598128A
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0293—Seed or shoot receptacles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model provides a seedling tray for observing root systems of sandy plants and a seedling method, comprising the following steps: the seedling raising tray can be installed on the chassis and is provided with a plurality of drainage air holes, and the seedling raising tray can absorb moisture in the chassis through the drainage air holes; the seedling raising tray comprises a tray body, movable isolating cloth and movable partition boards, wherein the movable partition boards can be detachably arranged in the tray body, extend in the up-down direction to divide a space in the tray body into two parts in the transverse direction, and the upper ends of the movable partition boards are lower than the upper ends of the tray body so that the upper space in the tray body is communicated in the transverse direction; the movable isolating cloth is arranged in the tray body and extends along the upper and lower directions, and at least one end of the movable isolating cloth can move transversely, so that the technical problem that observation is limited due to small root biomass when sandy plants grow seedlings is solved.
Description
Technical Field
The utility model relates to the technical field of seedling cultivation, in particular to a seedling cultivation tray and a seedling cultivation method for observing root systems of sandy plants.
Background
The root system is an important nutrient organ for acquiring plant nutrients and water, the distribution characteristics of the root system are influenced by factors such as plant types, site conditions, growth period and the like, and the root system has strong and rapid response to soil environment changes. In the fields of plant study and plant experiment technology study, the growth condition of plant seedling root systems, such as root system morphology, growth direction, biomass, distribution depth, branching condition and the like, needs to be observed through different measures.
The hydroponic tank has good observation capability for observing plant root systems, but for plants growing in a desert for a long time, the hydroponic tank is inconsistent with the actual desert environment in simulating the drought condition of the desert, so that the growth condition of the sandy plant root systems in the desert environment cannot be accurately simulated, and the observation of root system configuration, distribution and the like is not accurate enough.
The existing observation device for root systems of soil cultivated plants is mainly of a fixed structure, and the growth space of the root systems of the plants cannot be adjusted. Such as: chinese patent application 202210093327.2 discloses a root system observation box, which is a woody plant root system observation box with a growth cavity; chinese patent 202021853800.5 discloses a tomato root system configuration observation device, which is provided with a middle observation tube.
In barren and arid deserts, most of the sandy plants are short in overground part development, the underground root system biomass is low, but root taking is deep, and especially in seedling stage; the sandy plants need to reduce the above-ground biomass in the seedling stage so as to resist the blowing of wind sand, reduce the transpiration water consumption, adjust the nutrient distribution to root systems preferentially and the like. Therefore, aiming at seedling raising of sandy plants, the growth space of the root system is transversely reduced, so that the biomass, the distribution depth and the like of the root system can be clearly observed.
The existing plant root system observation device relates to the fields of forest and crop research, and fresh sandy plant root systems are observed and researched. In desertification control, sand plant related research is becoming a focus topic. Sand plants, unlike crops, survive and compete in the harsh desert environment, gradually forming a unique growth strategy, i.e., relatively short aerial parts, low root biomass, and deep rooting. The desert soil is barren and arid, sand plants can germinate and root rapidly when meeting rainfall, and only the sand plants can be rooted rapidly, so that the sand upper layer moisture cannot be taken away due to perennial wind erosion of the desert, and the young embryo which is just germinated dies in a dry sand layer; the rapid rooting of the sandy plants can not only absorb relatively stable moisture in the deep layer of the soil, but also obtain more nutrients, so that the sandy plants can develop, grow and mature in barren sandy soil.
The existing plant root system observation device is mainly aimed at crops, the growth environment of the crops is large water and large fertilizer, sand plants are different from the crops, the growth environment of the sand plants is bad, the root system biomass is relatively low, root system growth depth of the existing plant root system observation device is insufficient, the root system growth space is large and open, the root system biomass of the sand plants is low, the growth of the sand plants in the relatively large space is unfavorable for root system observation, and even the root system morphology cannot be observed. The existing plant root system observation device can not comprehensively observe the biomass of the sandy plant root system, the vertical growth form of the root system and the like.
The existing plant root system observation devices are mostly single-matrix culture devices, namely one of soil culture or water culture, and when two matrixes are compared with each other, the comparison is not obvious.
Adverse stress generally refers to environmental factors exerting harmful effects on plants, and mainly includes physical and chemical adverse conditions such as water deficiency, low temperature, high temperature, saline alkali, environmental pollution and the like, and biological adverse conditions such as diseases, insects, weeds and the like. In the aspect of plant adversity stress research, if unidirectional adversity stress (drought stress, saline-alkali stress and the like) is carried out, the existing root system observation device can not observe the root system growth trend and the root system morphological change of the same plant under different condition stress; in the aspect of water regulation and control research, unidirectional water supply treatment is carried out, and the existing device cannot meet the observation of the growth condition of plant root systems in the test; in the aspect of nutrient supply research, the existing device can not meet the influence of the improved and non-improved sandy soil on the biomass of the root system of the sandy plant, the growth form of the main root system and the fibrous root system, the root crown ratio and the like in the test.
In scientific research, repeated tests are needed to ensure the accuracy of experimental data, and most of existing seedling trays are seedling trays, usually black plastic trays, have 6-12 repeated steps, but the growth state of root systems during plant growth cannot be observed, and the requirement of researchers on observing plant seedling root systems cannot be met. Soil cultivation plant root system observation devices of other monomer structures are inconvenient to carry out seedling repetition tests.
In addition, the water permeable holes of the existing seedling raising device are free of shielding water permeable holes, sand has fluidity, moves along with water and moves along with movement, watering, movement and the like are unavoidable in plant test research, so that the sand leaks along with water and movement, and unnecessary trouble is caused to test research. After soil is filled, the soil leaks along with watering, so that the culture medium is gradually reduced, the root system is exposed to the air, and the like. The existing root system observation device is particularly not suitable for sandy soil, and the soil matrix loss in the device can be aggravated by the mobility of the sandy soil, so that the test fails. Therefore, the function of the water permeable holes for preventing sand loss in sandy plant experimental research is important.
The existing plant root system observation devices are high in cost, and some plant root system observation devices are provided with organic glass, complex structures and the like, so that the cost is high, the occupied space is large, and if batch scientific research tests are carried out, the existing plant root system observation devices are not suitable for batch observation tests. Such as: chinese patent 202220149581.5 discloses a rice root system observation device and a cleaning device, wherein the root system observation device comprises a growth box and an incubator which are made of transparent organic glass, a plurality of sensors arranged in the incubator, and the like; the Chinese patent 202221250831.0 discloses a water planting device for observing the root system of wheat, wherein the root system observing device comprises a water planting box, a magnetic suction ring, a water inlet pipe, a valve, a universal wheel, a rotating rod, a knob and the like; if a plant growth batch test is performed, the existing high-cost root system observation device is not feasible, and the utility model and production of the root system observation seedling tray which is low in cost and suitable for scientific research are urgently needed.
Disclosure of Invention
The utility model aims to provide a seedling tray and a seedling method for observing root systems of sandy plants, which are used for solving the technical problem of limited observation caused by small biomass of root systems during seedling of sandy plants.
The above object of the present utility model can be achieved by the following technical solutions:
the utility model provides a seedling tray for observing root systems of sandy plants, which comprises: the seedling raising tray can be installed on the chassis and is provided with a plurality of drainage air holes, and the seedling raising tray can absorb moisture in the chassis through the drainage air holes;
the seedling raising tray comprises a tray body, movable isolating cloth and a movable partition board,
the movable partition board can be detachably arranged in the tray body, extends along the up-down direction to divide the space in the tray body into two parts along the transverse direction, and is lower than the upper end of the tray body so that the upper space in the tray body is communicated in the transverse direction;
the movable isolating cloth is arranged in the tray body and extends along the up-down direction, and at least one end of the movable isolating cloth can move along the transverse direction.
In a preferred embodiment, the seedling raising tray comprises at least two movable isolating cloths, and the movable partition plate is arranged between the at least two movable isolating cloths.
In a preferred embodiment, the upper end and/or the lower end of the tray body are/is provided with a rail and a movable buckle, the rail extends transversely, the movable buckle is mounted on the rail, and the movable buckle can fix the end part of the movable isolation cloth.
In a preferred embodiment, the movable buckle comprises a locking mechanism and at least two movable blocks, the movable isolation cloth can be clamped when the at least two movable blocks are closed, and the locking mechanism is used for locking each movable block.
In a preferred embodiment, the lower end of the tray body is provided with a connecting rod, the connecting rod extends along the width direction of the tray body and can transversely adjust the position of the tray body, and the connecting rod is used for compressing the lower end of the movable isolation cloth.
In a preferred embodiment, the tray has lateral side walls extending in a lateral direction, at least a portion of at least one of the lateral side walls being transparent.
In a preferred embodiment, the tray body is provided with a vertical clamping groove, and the lateral side wall is movably inserted into the vertical clamping groove; the lateral side wall is connected with a light blocking curtain, and the light blocking curtain can cover the lateral side wall or be retracted to expose the lateral side wall.
In a preferred embodiment, the seedling tray for observing the root system of the sandy plant comprises a base and a plurality of seedling trays, wherein the base comprises a bottom plate, a fixed baffle and at least two movable baffles, the base can be installed in the bottom plate, the fixed baffle and the movable baffles are all installed on the bottom plate, and the seedling trays are arranged between two adjacent movable baffles or between the movable baffles and the fixed baffle.
In a preferred embodiment, the side surface and the bottom surface of the tray body are respectively provided with a drainage air hole, and the drainage air holes are covered with non-woven fabrics; the movable isolating cloth is made of non-woven fabrics.
The utility model provides a seedling raising method, which adopts the sandy plant root system to observe a seedling raising tray, and comprises the following steps:
the growth space of plant root systems is regulated and controlled by adjusting the transverse position of the upper end or the lower end of the movable isolating cloth;
the movable partition board is arranged to divide the growth space of the plant root system into two parts;
adding sand into a plant root system growth space surrounded by the movable isolation cloth and the inner wall of the seedling raising tray, wherein the sand in the space at two sides of the movable partition board is the same or different;
planting sandy plants in sandy soil in the plant root system growth space, and distributing the root systems of the sandy plants in the spaces at two sides of the movable partition board;
and controlling the environment in the plant root growth space, and controlling the environments of the spaces at two sides of the movable partition plate to be the same or different.
The utility model has the characteristics and advantages that:
for sandy plants with less root biomass, the movable isolating cloth can be transversely adjusted to reduce the growth space of the root system, and for sandy plants with relatively larger root biomass, the movable isolating cloth can be transversely adjusted to enlarge the growth space of the root system, so that the purposes of clearly observing the root biomass, growth form, distribution depth and the like of the sandy plants are achieved.
For two solid heterogeneous matrixes, for example, sandy soil and sandy soil added with an improver, sandy soil and salinized sandy soil, sandy soil and sandy soil added with fertilizer, and the like, as shown in fig. 10, the two solid heterogeneous matrixes can be respectively arranged at two sides of the movable partition board, so that the growth tendencies and the forms of root systems of the same sandy plant in different matrixes can be intuitively observed by the same culture device. When the same plant is placed in two growth environments at the same time, obvious reactions can be made through the measures of growth, physiology and the like, and compared with independent methods, the method is more visual and obvious. When the same plant is respectively placed in two environments, the plant can generate obvious adaptability in adverse circumstances; when the same plant is placed in two environments at the same time, the plant root system has a selection right for the environments, so that the adverse stress can be avoided by changing the shape, distribution, biomass and the like of the root system; for scientific research, the root system observation of the same plant in two environments is more visual, so that the accuracy of data is ensured, and the accurate observation of plant seedling root systems in scientific research is also ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent 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 seedling tray in a seedling tray for observing a root system of a sandy plant;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic structural diagram of a tray body in a seedling tray for observing a root system of a sandy plant;
FIG. 5 is a schematic view of the structure of the lateral side wall in the seedling tray for observing the root system of the sandy plant;
FIG. 6 is a schematic structural view of a seedling tray for observing the root system of sandy plants;
FIG. 7 is a schematic diagram of the structure of a base in a seedling tray for observing the root system of the sandy plant;
fig. 8 is a schematic structural view of the sand plant root system provided by the utility model for observing the movable buckle locking state in the seedling tray;
fig. 9 is a schematic structural view of a sand plant root system for observing an opened state of a movable buckle in a seedling tray;
fig. 10 is a schematic diagram of a seedling raising method provided by the utility model.
Reference numerals illustrate:
2. a vertical clamping groove; 3. drainage and ventilation holes;
4. a tray body; 10. lateral side walls; 1. a light blocking curtain;
5. a movable buckle; 51. a movable block; 52. a locking mechanism;
6. a track;
7. a movable isolating cloth;
8. a chute; 9. a connecting rod;
14. a movable partition;
11. a seedling tray;
12. a base; 15. a bottom plate; 16. a movable baffle; 17. a fixed baffle;
13. a chassis;
91. sand soil; 92. sand with modifier added.
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 those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model provides a seedling tray for observing a root system of a sandy plant, which is shown in figures 1-10 and comprises: the seedling raising tray 11 can be installed on the chassis 13, the seedling raising tray 11 is provided with a plurality of drainage air holes 3, and the seedling raising tray 11 can absorb moisture in the chassis 13 through the drainage air holes 3; the seedling raising tray 11 includes a tray body 4, a movable spacer 7, and a movable partition 14, the movable partition 14 being detachably provided in the tray body 4, and the movable partition 14 extending in an up-down direction to divide a space in the tray body 4 into two parts in a lateral direction, and an upper end of the movable partition 14 being lower than an upper end of the tray body 4 to communicate an upper space in the tray body 4 in the lateral direction; the movable spacer 7 is provided in the tray body 4 and extends in the up-down direction, and at least one end of the movable spacer 7 is capable of moving in the lateral direction.
For sandy plants with less root biomass, the movable isolating cloth 7 can be transversely adjusted to reduce the growth space of the root system, and for sandy plants with relatively larger root biomass, the movable isolating cloth 7 can be transversely adjusted to enlarge the growth space of the root system, so that the purposes of clearly observing the root biomass, growth form, distribution depth and the like of the sandy plants are achieved.
For two solid heterogeneous matrixes, for example, sand soil 91 and sand soil 92 added with an improver, sand soil 91 and salinized sand soil, sand soil 91 and sand soil added with fertilizer, and the like, as shown in fig. 10, the two solid heterogeneous matrixes can be respectively arranged at two sides of the movable partition board 14, so that the growth trend and the shape of the root system of the same plant of the sandy plant in different matrixes can be visually observed by the same culture device. When the same plant is placed in two growth environments at the same time, obvious reactions can be made through the measures of growth, physiology and the like, and compared with independent methods, the method is more visual and obvious. When the same plant is respectively placed in two environments, the plant can generate obvious adaptability in adverse circumstances; when the same plant is placed in two environments at the same time, the plant root system has a selection right for the environments, so that the adverse stress can be avoided by changing the shape, distribution, biomass and the like of the root system; for scientific research, the root system observation of the same plant in two environments is more visual, so that the accuracy of data is ensured, and the accurate observation of plant seedling root systems in scientific research is also ensured.
In one embodiment, the seedling raising tray 11 includes at least two movable spacers 7, and the movable partition 14 is disposed between the at least two movable spacers 7. The two movable isolating cloths 7 are matched to control the root growth space more flexibly, and meanwhile, the movable partition plates 14 divide the space in the tray body 4 into two parts along the transverse direction, so that the same plant is placed in two environments at the same time. When it is desired to locate the root system of the plant in the same environment, the removable partition 14 may be removed from the tray 11.
Further, the upper end and/or the lower end of the tray body 4 are/is provided with a rail 6 and a movable buckle 5, as shown in fig. 1 and 2, the rail 6 extends along a transverse direction, the movable buckle 5 is mounted on the rail 6, and the movable buckle 5 can fix the end of the movable isolation cloth 7. The movable isolation cloth 7 is arranged inside the seedling raising tray 11, the movable isolation cloth 7 is adjusted by the movable buckle 5, and the movable buckle 5 slides in the track 6 of the seedling raising tray 11, so that the movable isolation cloth 7 is fixed by the movable buckle 5 and moves on the track 6.
Preferably, the upper and lower ends of the tray body 4 are provided with a rail 6 and a movable catch 5, respectively, the movable catch 5 sliding in the rail 6 above and below the seedling tray 11. The movable buckle 5 can be made of plastic, and the track 6 can also be made of plastic.
In one embodiment, as shown in fig. 8 and 9, the movable buckle 5 includes a locking mechanism 52 and at least two movable blocks 51, where the movable isolation cloth 7 can be clamped when the at least two movable blocks 51 are closed, and the locking mechanism 52 is used for locking each movable block 51. The locking mechanism 52 may be a connecting rod as shown in fig. 8 and 9, or may be other structures, such as a bolt, an iron piece, or the like. The movable block 51 may be provided with a frosted surface to increase friction with the movable spacer 7.
In an embodiment, the lower end of the tray body 4 is provided with a connecting rod 9, the connecting rod 9 extends along the width direction of the tray body 4 and can adjust the position along the transverse direction of the tray body 4, and the connecting rod 9 is used for compressing the lower end of the movable isolation cloth 7. When the upper end or the lower end of the movable spacer 7 moves in the lateral direction, the length of the movable spacer 7 in the tray 4 may be changed, for example: when the movable isolating cloth 7 is perpendicular to the bottom of the tray body 4, the length of the movable isolating cloth 7 in the tray body 4 is shortest, and the required length of the movable isolating cloth 7 is also shortest; when the movable isolating cloth 7 forms an acute angle or an obtuse angle with the bottom, the length of the movable isolating cloth 7 in the tray body 4 is increased, and the required length of the movable isolating cloth 7 is longer. The connecting rod 9 extends along the width direction of the tray body 4, namely, the connecting rod 9 is arranged along the width direction of the movable isolation cloth 7, when the length of the required movable isolation cloth 7 is short, the connecting rod 9 can press the redundant length of the movable isolation cloth 7, and the length of the movable isolation cloth 7 extending up and down in the tray body 4 is controlled by the sliding connecting rod 9.
Preferably, the upper end and the lower end of the tray body 4 are respectively provided with a track 6, a movable buckle 5 and a connecting rod 9, the tracks 6 at the upper end and the lower end of the tray body 4 are respectively provided with 4 movable buckles 5, and the upper end and the lower end are matched to fix the movable isolation cloth 7. In one embodiment, as shown in fig. 1, the bottom of the lower end of the tray body 4 is provided with a chute 8, and the chute 8 serves as a rail 6.
In one embodiment, the tray body 4 has lateral side walls 10 extending in a lateral direction, at least part of at least one lateral side wall 10 is transparent, and during the seedling raising process, researchers can observe the inside of the tray body 4 through the lateral side walls 10, so as to accurately observe the root system.
Further, as shown in fig. 2-5, the tray body 4 is provided with a vertical clamping groove 2, and the lateral side wall 10 is movably inserted into the vertical clamping groove 2; the lateral side wall 10 is connected with a light blocking curtain 1, and the light blocking curtain 1 can cover the lateral side wall 10 or roll up to expose the lateral side wall 10. In the seedling raising process, the light blocking curtains 1 are all lowered to the bottom and are lifted only when being observed, and plant roots are observed through the transverse side walls 10.
Specifically, the light blocking curtain 1 and the lateral side wall 10 may be integrally bonded together by upper strip heat sealing. When the seedling raising tray 11 is used for raising seedlings, firstly, the distance between the movable isolating cloth 7 is adjusted, and after the distance is adjusted, the transverse side wall 10 is inserted into the vertical clamping groove 2 to finish assembly. The light blocking curtain 1 can be a liftable disc wall, is made of thickened PE soft plastic, and can be directly rolled up when a plant root system needs to be observed. The lateral side wall 10 may be a transparent viewing window.
In one embodiment, as shown in fig. 6 and 7, the seedling tray for observing root system of sandy plants comprises a base 12 and a plurality of seedling trays 11, wherein the base 12 comprises a bottom plate 15, a fixed baffle 17 and at least two movable baffles 16, the base 12 can be installed in a chassis 13, the fixed baffle 17 and the movable baffles 16 are both installed on the bottom plate 15, and the seedling trays 11 are arranged between two adjacent movable baffles 16 or between the movable baffles 16 and the fixed baffle 17. When the seedling is grown, a plurality of repeated seedling trays 11 can be configured, the repeated seedling trays 11 are placed in the base 12, the movable baffle 16 can flexibly stretch and retract to be adjusted, and the movable baffle 16 can be moved according to the width of the bottom of the seedling tray 11, so that the movable baffle 16 just positions and supports the seedling tray 11.
In an embodiment, the side and bottom surfaces of the tray body 4 are respectively provided with a drain vent hole 3, the drain vent holes 3 are covered with non-woven fabrics, and the drain vent holes 3 can ensure the fluidity of moisture and air and prevent the fluidity of sand by covering the non-woven fabrics. The movable isolating cloth 7 adopts non-woven fabrics and has the following advantages: when the biomass of the root system of the sandy plant is small, and the distance of the movable isolating cloth 7 needs to be adjusted inwards to reduce the growth space of the root system, the nutrients and the moisture absorbed by the root system cannot be limited due to the obstruction of the movable isolating cloth, and the moisture and the nutrients which can be utilized by the root system are still all the nutrients and the moisture in the tray body 4 due to the water permeability of the non-woven fabric material.
In an embodiment, two sides and bottom of each seedling raising tray 11 are provided with a plurality of non-woven fabric drainage air holes 3, and the number of the drainage air holes 3 is determined according to the size of the seedling raising tray 11, for example: the number of the side surfaces is 1, and the number of the bottom is 2-10.
Preferably, as shown in fig. 1 and 4, the tray body 4 of the seedling raising tray 11 is a flat cuboid, the lateral dimension is long, the width dimension is wide, the vertical dimension is high, and the length, width and height are 5cm, 1cm and 10cm, respectively. The sizes of the seedling raising tray 11 are enlarged in the same proportion, but the size of the water draining ventilation holes 3 is unchanged.
In one embodiment, the tray body 4 of the seedling raising tray 11 is made of PE (polyethylene) material, and includes a bottom portion and two side walls in a width direction of the tray body 4; the light blocking curtain 1 is made of thickened PE soft plastic, and the PE material is nontoxic, odorless, low in cost and good in chemical stability, and is used for manufacturing a main body structure of the seedling tray 11; at least one lateral side wall 10 is made of PP (polypropylene) material, which is nontoxic, odorless, low in cost, transparent, light, good in toughness and good in chemical resistance. Preferably, the opposite lateral side walls 10 of the tray body 4 are made of PP material and are transparent observation windows.
In one embodiment, the movable partition 14 is a rigid plastic sheet that can be placed in and removed as required by the test; the chassis 13 can be made of hard thickened plastic, and a plurality of seedling trays 11 can be arranged on one chassis 13 according to the number of the bases 12 for placing the seedling trays 11.
The seedling tray for observing the root system of the sandy plant can adjust the root system development space according to the characteristics of the root system of the sandy plant; the biological repetition is even and the plant root system can be observed in the seedling stage; the method can be used for simultaneously culturing a sandy plant by heterogeneous solid matrixes and observing the root system chemotaxis of the plant; the water draining ventilation holes 3 covered by the non-woven fabric can block sand, and is suitable for cultivating sandy plants.
In one embodiment, the seedling raising tray 11 is a flat rectangular parallelepiped, and has a length, width and height of about (5 cm to 20 cm) × (1 cm to 5 cm) × (10 cm to 50 cm). The seedling raising tray 11 is constructed into a flat cuboid, is more suitable for sandy plants with less root biomass and the like, can control the growth space of plant roots, and is convenient for experimental observation.
The chassis 13 is provided with different specifications according to the root system characteristics of different sandy plants, the inner side of the chassis 13 is at a certain distance from the seedling raising tray 11, and the chassis 13 has a certain height, so that watering from the chassis 13 in the experimental process is facilitated, and the soil slowly infiltrates into the soil of the seedling raising tray 11; because of the specificity of sandy soil, the soil structure is loose, small pits are easy to pour out when watering is performed from the upper part of the seedling raising tray 11, and even seedling roots can be flushed out in the plant seedling stage, so that the seedlings die. Therefore, the watering chassis 13 with a certain height and a certain width is arranged, so that not only can the damage of watering above to seedlings be avoided, but also the water infiltration uniformity from the bottom can be ensured. Preferably, the distance between the inner sides of the periphery of the chassis 13 and the seedling raising trays 11 is 5 cm-10 cm, the height of the chassis 13 is 3 cm-10 cm, and the number and the height of the seedling raising trays 11 are set.
The repeated seedling raising trays 11 are placed in the chassis 13, and the seedling raising trays 11 are respectively clamped into the base 12 for fixing. The number of the seedling trays 11 is 3-15, and the number of the seedling trays 11 can be adjusted according to experimental requirements or a base 12 is added; the light blocking curtains 1 are all lowered to the bottom in the seedling raising process, and are lifted only when being observed, and plant roots are observed through the transverse side walls 10.
Before sand is added into the seedling raising tray 11, the movable buckle 5 is pulled according to the plant root system characteristics, and the distance between the movable isolating cloths 7 is adjusted; before the adjustment, the transverse side wall 10 is taken out of the vertical clamping groove 2, and after the distance and the angle of the movable isolation cloth 7 are adjusted, the transverse side wall 10 is inserted into the vertical clamping groove 2.
Example two
The utility model provides a seedling raising method, which adopts the sandy plant root system observation seedling raising tray, as shown in figure 10, and comprises the following steps: the growth space of plant root systems is regulated and controlled by adjusting the transverse position of the upper end or the lower end of the movable isolating cloth 7; the growth space of the plant root system is divided into two parts by arranging a movable partition 14; adding sand into a plant root system growth space surrounded by the movable isolating cloth 7 and the inner wall of the seedling raising tray 11, wherein the sand in the space at two sides of the movable partition board 14 is the same or different; planting sandy plants in sandy soil in the plant root system growth space, and distributing the root systems of the sandy plants in the spaces at two sides of the movable partition 14; the environment in the plant root growth space is controlled, and the environments of the spaces on both sides of the movable partition 14 are controlled to be the same or different.
The seedling raising mode has all or at least part of the characteristics of the seedling raising tray for observing the root system of the sandy plant, and is not repeated here. The environment in the plant root growth space includes factors such as humidity and saline-alkali degree, and the environment in the space on both sides of the movable partition 14 can be controlled respectively.
The seedling raising method provided by the utility model is suitable for seedling stage root system observation and batch observation test in scientific research, has the advantages of simple structure and low cost, overcomes the defect of high cost of the existing plant root system observation device, has the advantages of low cost, no leakage of sandy soil, capability of adding two heterogeneous matrixes simultaneously, adjustable root system growth space size, biological repetition and the like, and can be used for aiming at the characteristics of deep root system, less biomass and the like of the sandy plant, and the characteristics of root system growth form, chemotaxis, branching, biomass and the like in the plant seedling stage observation stage. In addition, in the experimental study of the sandy plants, the aim of biological repetition can be achieved at low cost. Biological repetition refers to taking different samples under the same experimental conditions, thereby achieving the purpose of verifying the regularity characteristics under the same experimental conditions.
The foregoing is merely a few embodiments of the present utility model and those skilled in the art may make various modifications or alterations to the embodiments of the present utility model in light of the disclosure herein without departing from the spirit and scope of the utility model.
Claims (10)
1. A seedling tray for observing root systems of sandy plants, which is characterized by comprising: the seedling raising tray can be installed on the chassis and is provided with a plurality of drainage air holes, and the seedling raising tray can absorb moisture in the chassis through the drainage air holes;
the seedling raising tray comprises a tray body, movable isolating cloth and a movable partition board,
the movable partition board can be detachably arranged in the tray body, extends along the up-down direction to divide the space in the tray body into two parts along the transverse direction, and is lower than the upper end of the tray body so that the upper space in the tray body is communicated in the transverse direction;
the movable isolating cloth is arranged in the tray body and extends along the up-down direction, and at least one end of the movable isolating cloth can move along the transverse direction.
2. The saprophyte root system observation tray as set forth in claim 1, wherein,
the seedling raising tray comprises at least two movable isolating cloths, and the movable partition board is arranged between the at least two movable isolating cloths.
3. The seedling tray for observing root system of saprophyte as set forth in claim 1 or 2, wherein,
the upper end and/or the lower extreme of disk body are provided with track and movable buckle, the track is along transversely extending, movable buckle install in the track, movable buckle can be right movable spacer cloth's tip is fixed.
4. The saprophyte root system observation tray as set forth in claim 3, wherein,
the movable buckle comprises a locking mechanism and at least two movable blocks, the movable isolation cloth can be clamped when the movable blocks are folded, and the locking mechanism is used for locking each movable block.
5. The saprophyte root system observation tray as set forth in claim 4, wherein,
the lower extreme of disk body is provided with the connecting rod, the connecting rod is followed the width direction of disk body extends and can follow the horizontal adjustment position of disk body, the connecting rod is used for compressing tightly the lower extreme of movable barrier cloth.
6. The seedling tray for observing root system of saprophyte as set forth in claim 1 or 2, wherein,
the tray body has lateral side walls extending in a lateral direction, at least a portion of at least one of the lateral side walls being transparent.
7. The saprophyte root system observation tray as set forth in claim 6, wherein,
the tray body is provided with a vertical clamping groove, and the transverse side wall is movably inserted into the vertical clamping groove;
the lateral side wall is connected with a light blocking curtain, and the light blocking curtain can cover the lateral side wall or be retracted to expose the lateral side wall.
8. The seedling tray for observing root system of saprophyte as set forth in claim 1 or 2, wherein,
the seedling tray for observing the root system of the sandy plant comprises a base and a plurality of seedling trays, wherein the base comprises a bottom plate, a fixed baffle and at least two movable baffles, the base can be installed in the bottom plate, the fixed baffle and the movable baffles are all installed on the bottom plate, and the seedling trays are arranged between two adjacent movable baffles or between the movable baffles and the fixed baffle.
9. The seedling tray for observing root system of saprophyte as set forth in claim 1 or 2, wherein,
the side surface and the bottom surface of the tray body are respectively provided with a drainage air hole, and the drainage air holes are covered with non-woven fabrics;
the movable isolating cloth is made of non-woven fabrics.
10. A seedling raising method, characterized in that the seedling raising tray is observed by using the root system of the sandy plant as defined in any one of claims 1 to 9, and the seedling raising method comprises:
the growth space of plant root systems is regulated and controlled by adjusting the transverse position of the upper end or the lower end of the movable isolating cloth;
the movable partition board is arranged to divide the growth space of the plant root system into two parts;
adding sand into a plant root system growth space surrounded by the movable isolation cloth and the inner wall of the seedling raising tray, wherein the sand in the space at two sides of the movable partition board is the same or different;
planting sandy plants in sandy soil in the plant root system growth space, and distributing the root systems of the sandy plants in the spaces at two sides of the movable partition board;
and controlling the environment in the plant root growth space, and controlling the environments of the spaces at two sides of the movable partition plate to be the same or different.
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| CN117598128B (en) | 2024-05-07 |
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