CN217487103U

CN217487103U - Breeding device for drought tolerance research of corn varieties

Info

Publication number: CN217487103U
Application number: CN202221589429.5U
Authority: CN
Inventors: 任丽丽; 李�杰; 付艳中; 张连禹; 项怀之; 孙宇哲
Original assignee: Tianjin Zhongtian Dadi Science And Technology Co ltd
Current assignee: Tianjin Zhongtian Dadi Science And Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-27
Anticipated expiration: 2032-06-16

Abstract

The utility model belongs to the technical field of drought resistance research of corn varieties, in particular to a cultivation device for drought resistance research of corn varieties, which comprises a cultivation box, the cultivation box and a box door which is arranged at the front side of the cultivation box and has a split-door structure, wherein the top end of the box door is provided with a display screen, one side of the cultivation box is provided with a ventilation mechanism, the other side of the cultivation box is provided with ventilation windows which correspond to the ventilation mechanism and are distributed, and the top end inside the cultivation box is detachably connected with a plant growth lamp; the utility model can be used for indoor drought tolerance cultivation in the corn germination period, and the drought tolerance of the corn seeds is judged according to the germination rate and the survival rate of the corn seeds, so that the cultivation period is short, and the accuracy of experimental data is high; the soil humidity adjusting mechanism (comprising a water storage tank, a water pump, a water conveying pipe, a flow divider and a flowmeter) is arranged, and the drought tolerance cultivation experiment can be simultaneously carried out on multiple corn seeds of the same or different varieties by adjusting the soil humidity, so that the drought tolerance comparison is obvious.

Description

Breeding device is used in drought tolerance research of maize variety

Technical Field

The utility model belongs to the technical field of maize variety drought tolerance research, concretely relates to maize variety drought tolerance is breeding device for research.

Background

Corn is one of the main grain and feed crops, and the drought reduces the corn yield by 20-30%, and can reach more than 50% in severe cases. Most of the Chinese corns are planted on dry lands in northeast, northwest, southwest and northwest, so the drought is the main factor causing the yield change of the Chinese corns. When the corn is subjected to drought in the seedling stage, the problems of seedling emergence capability reduction, seedling preservation rate reduction and the like occur, the number of seedlings in the field is seriously influenced, and the yield is reduced. The method for breeding the drought-resistant corn variety and improving the drought resistance of the corn variety is an effective way for solving the problem of yield reduction of the corn and is also an important measure for ensuring stable yield or yield increase of the corn.

The drought tolerance evaluation is carried out in the germination period of the corn, and the drought tolerance evaluation method has the advantages of short identification time, large capacity, strong repeatability, easiness in-vivo identification, small damage, small environmental influence and the like, while the screening of the drought tolerance of the corn seeds is an important condition for ensuring the growth and development of the corn seedlings, the conventional corn drought tolerance cultivation is generally carried out in a greenhouse experiment, and is greatly influenced by the outdoor environment, so that the experimental data is not accurate enough, the cultivation period is long, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a maize variety is breeding device for drought tolerance research to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cultivation device for the drought tolerance research of corn varieties comprises a cultivation box, a box door which is arranged at the front side of the cultivation box and has a split door structure, the top end of the box door is provided with a display screen, one side of the incubator is provided with a ventilation mechanism, the other side of the incubator is provided with ventilation windows which are distributed corresponding to the ventilation mechanism, the top end in the incubator is detachably connected with a plant growing lamp, a cultivating pot is arranged under the plant growing lamp, a plurality of independent planting cavities are respectively arranged in the cultivating pot through a plurality of partition plates, a water storage cavity is separated from the bottom end of each planting cavity through a bottom plate, the top of the bottom plate is screwed with a humidity sensor, planting soil is filled in the planting cavity, cultivate the below of basin and be provided with the hot plate, the display screen the vegetation lamp the hot plate and humidity transducer all with external power source electric connection.

Preferably, the incubator is provided with a temperature sensor and a temperature controller in signal connection with the heating plate.

Preferably, a water absorption rod is arranged between the planting cavity and the water storage cavity and is clamped and fixed on the inner side of the bottom plate.

Preferably, the outside one end of artificial containers is provided with the storage water tank, the output of storage water tank is connected with the trunk line through the water pump, the trunk line is close to one side of artificial containers be provided with a plurality of with the water storage chamber corresponds the shunt tubes that distributes, the shunt tubes with the link of trunk line is provided with the flow divider, the shunt tubes with the link in water storage chamber is provided with the flowmeter.

Preferably, the planting soil comprises a wet soil layer positioned on the lower layer and a dry soil layer positioned on the upper layer.

Preferably, the bottom end of the water absorption rod is in contact with the bottom of the water storage cavity, and the top end of the water absorption rod extends to the inside of the wet soil layer.

Preferably, the incubator is made of PMMA transparent materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can be used for indoor drought tolerance cultivation in the corn germination period, and the drought tolerance of the corn seeds is judged according to the germination rate and the survival rate of the corn seeds, so that the cultivation period is short, and the accuracy of experimental data is high;

the soil humidity adjusting mechanism (comprising a water storage tank, a water pump, a water conveying pipe, a flow divider and a flowmeter) is arranged, and the drought tolerance cultivation experiment can be simultaneously carried out on multiple corn seeds of the same or different varieties by adjusting the soil humidity, so that the drought tolerance comparison is obvious.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the incubator of the present invention;

FIG. 3 is a schematic view of the rear view of the cultivation box of the present invention;

FIG. 4 is a schematic view of a partial structure of a watering mechanism of the present invention;

fig. 5 is an enlarged schematic view of a detail of fig. 2 according to the present invention.

In the figure: 1. an incubator; 11. a box door; 12. a display screen; 13. a ventilation mechanism; 14. a ventilation window; 15. a plant growing lamp; 2. cultivating pots; 201. a planting cavity; 202. a water storage cavity; 21. a partition plate; 22. a base plate; 3. planting soil; 31. a wet soil layer; 32. a dry soil layer; 4. heating plates; 5. a humidity sensor; 6. a water-absorbing rod; 71. a temperature sensor; 72. a temperature controller; 8. a water storage tank; 81. a main pipeline; 82. a flow divider valve; 83. a shunt tube; 84. a flow meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a cultivation device for the drought tolerance research of corn varieties comprises an incubator 1, the incubator 1 and a box door 11 which is arranged on the front side of the incubator 1 and has a split door structure, a display screen 12 is arranged on the top end of the box door 11 and is used for displaying data of the incubator 1, including temperature and humidity data, cultivation period data and cultivation variety data, a ventilation mechanism 13 is arranged on one side of the incubator 1, ventilation windows 14 which are distributed correspondingly to the ventilation mechanism 13 are arranged on the other side of the incubator 1, the ventilation mechanism 13 can adopt ventilation fans and other equipment capable of realizing the exchange and circulation of air inside and outside the incubator 1, a plant growth lamp 15 is detachably connected to the top end inside the incubator 1 and utilizes the principle of sunlight to replace natural light, illumination for promoting photosynthesis required by plant growth is provided through the plant growth lamp 15, a cultivation basin 2 is arranged under the plant growth lamp 15, a plurality of independent planting cavities 201 are respectively arranged in the cultivation basin 2 through a plurality of partition plates 21, the inside packing of planting chamber 201 has planting soil 3, a plurality of planting chambers 201 can be used to cultivate the maize seed of planting different or the same variety, the bottom of planting chamber 201 is separated through bottom plate 22 and is had water storage chamber 202, be used for saving the water source, improve the soil moisture who plants in the chamber 201, the top spiro union of bottom plate 22 has humidity transducer 5, be used for detecting soil moisture, the below of cultivating basin 2 is provided with hot plate 4, be used for heating 1 inside temperature of incubator, make 1 inside of incubator keep at a suitable temperature, cultivate for maize drought resistance and provide a good environment of cultivating, display screen 12, vegetation lamp 15, hot plate 4 and humidity transducer 5 all with external power source electric connection.

In fig. 2, the incubator 1 is provided with a temperature sensor 71 and a temperature controller 72 in signal connection with the heating plate 4; the internal temperature of the incubator 1 is heated by the heating plate 4, the internal temperature of the incubator 1 is monitored by the temperature sensor 71, and the internal temperature of the incubator 1 is adjusted by the temperature controller 72, so that the inside of the incubator 1 is maintained in a temperature environment where suitable corn seeds are cultivated, and preferably, the internal temperature of the incubator 1 can be set to 25 degrees.

As shown in fig. 2 and 5, the planting soil 3 comprises a wet soil layer 31 at the lower layer and a dry soil layer 32 at the upper layer; when planting corn seeds, the corn seeds are evenly and lightly pressed into the soil of the wet soil layer 31, and a dry soil layer 32 which is 7cm and naturally air-dries the surface soil is covered.

Specifically, in an optional embodiment, a water storage tank 8 is arranged at one end of the outer side of the incubator 1, an output end of the water storage tank 8 is connected with a main pipeline 81 through a water pump, one side of the main pipeline 81, which is close to the incubator 1, is provided with a plurality of shunt pipes 83 which are distributed corresponding to the water storage cavities 202, a shunt valve 82 is arranged at a connecting end of the shunt pipes 83 and the main pipeline 81, a flow meter 84 is arranged at a connecting end of the shunt pipes 83 and the water storage cavities 202, a water absorption rod 6 is arranged between the planting cavities 201 and the water storage cavities 202, the water absorption rod 6 is clamped and fixed on the inner side of the bottom plate 22, thus, in the cultivation process, the water pump is started to inject water into the water storage cavities 202, the water is transmitted into the planting cavities 201 through the water absorption rod 6, the soil humidity of the planting soil 3 in the planting cavities 201 is improved, the shunt valves 82 can control the opening and closing of the shunt pipes 83, thereby controlling the injection of the water sources in the water storage cavities 202 corresponding to the planting cavities 201, the flow meter 84 may monitor the fill level of the water source.

In a specific embodiment, the bottom end of the water absorption rod 6 is in contact with the bottom of the water storage cavity 202, and the top end of the water absorption rod 6 extends to the inside of the moisture layer 31; the water source in the water storage cavity 202 is transmitted to the wet soil layer 31 through the water absorption rod 6, and the soil humidity of the wet soil layer 31 is improved.

Specifically, the incubator 1 is made of PMMA transparent material; the growth condition of the corn in the seedling stage is convenient to observe.

The utility model discloses a theory of operation and use flow: corn seeds of the same variety are planted in independent planting cavities 201 which are separated by a plurality of clapboards 21 and covered by combined planting soil 3 to realize the cultivation of the corn seeds to the corn seedling stage, different water amounts are added into different planting cavities 201 by controlling a water pump in a water storage tank 8 and a main pipeline 81 and a shunt pipe 83 which are communicated with the water storage tank 8 through an external control system, the soil humidity of the planting soil 3 in the different planting cavities 201 can be adjusted, the soil humidity is adjusted and detected through a humidity sensor 5 in the soil, the influence of different humidity on the growth of the corn seedling stage is researched by changing the soil humidity, the drought resistance degree of the corn variety is tested, the temperature and humidity in the incubator 1 are adjusted by starting a ventilation mechanism 13 and a heating plate 4, so that the environment in the incubator 1 is more suitable for the growth of the corn seedling stage, a plant growth lamp 15 is arranged at the top end inside the incubator 1, utilize the principle of sunlight to replace the natural light, provide the illumination needs that promote the required photosynthesis of vegetation, adopt the utility model discloses an incubator 1 can carry out drought tolerance cultivation experiment to the maize seed of many varieties simultaneously indoor, learns maize variety's drought tolerance through observing germination percentage and the survival rate of maize germination phase under same humidity environment, and the cultivation cycle is short, and the experimental data accuracy is high.

In addition, corn seeds of different varieties can be planted in the independent planting cavities 201 which are formed by the partition plates 21 in a separated mode and are covered by the combined planting soil 3, the corn seeds are cultured to the corn seedling stage, the water pump in the water storage tank 8, the main pipeline 81 and the shunt pipes 83 which are communicated with the water storage tank 8 are controlled through the external control system, the same water quantity is added into the different planting cavities 201, the soil humidity of the planting soil in the different planting cavities 201 is adjusted, the soil humidity is detected through the humidity sensor 71 in the soil, and the drought resistance degree of the corn varieties is tested through the influence of the soil humidity on the growth of the corn seedlings of different varieties in the seedling stage.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a maize variety is breeding device for drought tolerance research, includes artificial containers (1), its characterized in that: the cultivation box comprises an cultivation box body (1) and a box door (11) which is arranged on the front side of the cultivation box body (1) and is of a split-door structure, a display screen (12) is arranged on the top end of the box door (11), a ventilation mechanism (13) is arranged on one side of the cultivation box body (1), a ventilation window (14) which corresponds to the ventilation mechanism (13) in distribution is arranged on the other side of the cultivation box body, a plant growth lamp (15) can be detachably connected to the top end of the inside of the cultivation box body (1), a cultivation basin (2) is arranged under the plant growth lamp (15), a plurality of independent planting cavities (201) are respectively arranged in the cultivation basin (2) through a plurality of partition plates (21), a water storage cavity (202) is separated from the bottom end of the planting cavity (201) through a bottom plate (22), a humidity sensor (5) is screwed on the top of the bottom plate (22), planting soil (3) is filled in the planting cavity (201), cultivate the below of basin (2) and be provided with hot plate (4), display screen (12) vegetation lamp (15) hot plate (4) and humidity transducer (5) all with external power source electric connection.

2. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 1, wherein the cultivation device comprises: the incubator (1) is provided with a temperature sensor (71) and a temperature controller (72) in signal connection with the heating plate (4).

3. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 1, wherein the cultivation device comprises: plant chamber (201) with be provided with water absorption stick (6) between water storage chamber (202), water absorption stick (6) block is fixed bottom plate (22) are inboard.

4. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 1, wherein the cultivation device comprises: the outside one end of artificial containers (1) is provided with storage water tank (8), the output of storage water tank (8) is connected with trunk line (81) through the water pump, trunk line (81) are close to one side of artificial containers (1) be provided with a plurality of with water storage chamber (202) corresponds shunt tubes (83) of distribution, shunt tubes (83) with the link of trunk line (81) is provided with flow divider (82), shunt tubes (83) with the link in water storage chamber (202) is provided with flowmeter (84).

5. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 3, wherein the cultivation device comprises: the planting soil (3) comprises a wet soil layer (31) positioned on the lower layer and a dry soil layer (32) positioned on the upper layer.

6. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 5, wherein the cultivation device comprises: the bottom end of the water absorption rod (6) is in contact with the bottom end of the water storage cavity (202), and the top end of the water absorption rod (6) extends to the inside of the wet soil layer (31).

7. The cultivation device for the drought tolerance research of the corn varieties as claimed in claim 1, wherein the cultivation device comprises: the incubator (1) is made of PMMA transparent materials.