Adjustable isotope labeling device for plant photosynthesis

An isotope labeling and photosynthesis technology, which is used in measuring devices, testing plants/trees, analyzing gas mixtures, etc., and can solve the problems of inability to ensure stable carbon dioxide concentration, uniform air in leaf chambers, and inability to measure leaves.

Pending Publication Date: 2021-07-02
HUNAN HYBRID RICE RES CENT
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  • Abstract
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Problems solved by technology

Although the invention uses a fan to circulate the self-made leaf chamber, it cannot make the air in the leaf chamber uniform and cannot measure blades with different angles. The size of the leaf chamber cannot be adjusted with the size of the blade, and it is not suitable for high-precision measurement of a single blade.
[0012] It can be seen that neither the measurement method using the classic Licor-6800 photosynt

Method used

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  • Adjustable isotope labeling device for plant photosynthesis

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Embodiment 1

[0034] Embodiment 1: Utilize any above-mentioned analysis system to carry out the method for real-time detection photosynthesis of rice leaf

[0035] The steps include: when in use, firstly open the sealing ring 2, select rice leaves or whole plants of rice and put them into the plexiglass 1, the plexiglass 1 and the sealing ring 2 are combined to form an external circulation leaf chamber 3, and the external circulation leaf chamber 3 passes The three-way valve 15 communicates with the carbon dioxide absorption pool 11 through the organic hose 16, the external circulation leaf chamber 3 communicates with the circulation pump 4 through the organic hose 5, and the external circulation leaf chamber 3 is fixed on the multi-angle fixing frame through the metal strut 7 6, the carbon dioxide concentration detection probe 8 is placed in the external circulation leaf chamber 3, the carbon dioxide concentration detection probe 8 is connected with the carbon dioxide detector 10 through th...

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Abstract

The invention provides an adjustable isotope labeling device for plant photosynthesis. The device is characterized in that organic glass 1 and a sealing ring 2 form an external circulating leaf chamber 3, the external circulating leaf chamber 3 is communicated with a carbon dioxide absorption tank 11 through an organic hose 13, the external circulating leaf chamber 3 is communicated with a circulating pump 4 through an organic hose 5, the external circulating leaf chamber 3 is fixed on a multi-angle fixing frame 6 through a metal supporting rod 7, a carbon dioxide concentration detection probe 8 is arranged in the external circulating leaf chamber 3 and is communicated with a carbon dioxide detector 10 through an optical fiber 9, the carbon dioxide absorption tank 11 is communicated with the circulating pump 4 through an organic hose, a carbon dioxide supply pipe 12 is communicated with the organic hose 5 through a three-way electronic control valve, carbon dioxide supply is guaranteed by electronically controlling the flow speed of carbon dioxide, and a carbon dioxide storage tank 15 is communicated with the three-way electronic control valve and the organic hose 5 through the carbon dioxide supply pipe 12.

Description

technical field [0001] The invention belongs to the technical field of plant photosynthesis detection, and in particular relates to an adjustable isotope labeling device for plant photosynthesis. Background technique [0002] At present, there are portable photosynthetic instruments such as Licor-6800, LCi-SD, and CIRAS-3 on the market, which provide technical means for measuring photosynthesis for plant ecology research. This type of photosynthetic instrument is more suitable for indoor control experiments. However, in field experiments, because the air inlet pipe is not isolated from the outside world, it is easily disturbed by human breathing and ground activities on the ground, resulting in uneven air in and out. The leaf chamber of the leaf is too small and the growth angle of the plant leaf is different, which directly affects the accuracy of plant photosynthesis. [0003] Chinese patent application 201310682081.3, the title of the invention is "rapid measurement devi...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0098G01N33/004
Inventor 常硕其朱新广欧阳翔
Owner HUNAN HYBRID RICE RES CENT
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