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Device for inducing photosynthesis of single-sided leaves

A photosynthetic, single-sided technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of not performing photosynthesis

Pending Publication Date: 2022-07-29
HUNAN HYBRID RICE RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, when realizing photosynthesis detection of leaves on one side of a plant, the problems that need to be solved are: first, under the conditions of natural light or artificial light source, it can better achieve accurate measurement of isolation from the outside air, and can effectively maintain the stability of the carbon dioxide concentration; Second, it can accurately induce photosynthesis on one of the two sides of the leaves of the plant, while the other side of the leaf does not perform photosynthesis

Method used

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  • Device for inducing photosynthesis of single-sided leaves
  • Device for inducing photosynthesis of single-sided leaves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: Method for inducing real-time detection of photosynthesis in single-sided leaves, see figure 1 .

[0040] Firstly, the plant leaves are taken out, and the artificial light source (5) is used for illumination. By observing the closed state of the stomata on the leaves, the appropriate light intensity is adjusted, and then the plexiglass and the sealing ring are opened, and the selected plant leaves are placed in the plexiglass and the sealing ring. In the gap, the plexiglass, the sealing ring and the plant leaves together form completely independent external circulation leaf chamber A and external circulation leaf chamber B, turn on the artificial light source (5), and adjust the appropriate light intensity to make the stomata on the other leaf surface. In the closed state, the external circulating leaf chamber A is connected to the circulating pump (9) through an organic hose, the carbon dioxide absorption tank (17) is connected to the circulating pump (9) th...

Embodiment 2

[0041] Embodiment 2: utilize any of the above-mentioned devices to carry out the method for detecting photosynthesis of plant leaves under natural light conditions, see figure 2 .

[0042] First, the sealing ring is opened, and the selected plant leaves are placed in the gap formed by the plexiglass and the sealing ring. The external circulation leaf chamber B, the external circulation leaf chamber A is connected with the circulation pump (9) through the organic hose, the carbon dioxide absorption tank (17) is connected with the circulation pump (9) through the organic hose, and the carbon dioxide concentration detection probe (3) Placed in the external circulation leaf chamber A, the carbon dioxide concentration detection probe (3) is connected to the carbon dioxide detector (7) through an optical fiber, and the carbon dioxide supply device (15) is connected to the carbon dioxide detector (15) through a three-way valve (13) through an organic hose (11). The external circula...

Embodiment 3

[0043] Example 3: A method for real-time detection of photosynthesis on a certain leaf using carbon dioxide labeled with carbon 13

[0044]First, the sealing ring is opened, and the selected plant leaves are placed in the gap formed by the plexiglass and the sealing ring. The external circulation leaf chamber B, the external circulation leaf chamber A is connected with the circulation pump (9) through the organic hose, the carbon dioxide absorption tank (17) is connected with the circulation pump (9) through the organic hose, and the carbon dioxide concentration detection probe (3) Placed in the external circulation leaf chamber A, the carbon dioxide concentration detection probe (3) is connected to the carbon dioxide detector (7) through an optical fiber, and the carbon dioxide supply device (15) is connected to the carbon dioxide detector (15) through a three-way valve (13) through an organic hose (11). The external circulation leaf chamber A is connected, the three-way valv...

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Abstract

The invention relates to a device for inducing photosynthesis of a single-sided leaf, which comprises a leaf chamber, a circulating pump, a carbon dioxide supply device, a carbon dioxide absorption tank, a carbon dioxide detection device, a small number of valves and an organic hose, the leaf chamber is composed of organic glass and a sealing ring, and a detachable artificial light source device is mounted on the periphery of the leaf chamber; the circulating pump is connected with the leaf chamber through an organic hose, the carbon dioxide detection device is composed of a carbon dioxide concentration detection probe and a carbon dioxide detector which are connected through an optical fiber, and the carbon dioxide concentration detection probe is arranged in the leaf chamber. Air holes of leaves on a certain surface of a plant are basically closed through control of an artificial light source, and the purpose of inducing photosynthesis of single-surface leaves of the plant is effectively achieved; the outer circulating pump ensures that the carbon dioxide concentrations on the two sides of the plant leaves in the leaf chamber are completely the same, and non-uniform carbon dioxide concentration caused by inconsistent photosynthesis intensities on the two sides is avoided.

Description

technical field [0001] The invention belongs to the technical field of photosynthesis detection of plant leaves, relates to a device for inducing photosynthesis of one-sided leaves, and specifically relates to a detection of inducing the photosynthesis intensity of one-sided leaves of a certain leaf under the growth state of the whole plant, and for detecting the single-sided photosynthetic products of a certain leaf conduct 13 CO 2 Labeled leaf chambers. Background technique [0002] At present, there are Licor-6800, LCi-SD, CIRAS-3 and other portable photosynthesis instruments on the market, which provide photosynthesis measurement technology for plant ecology research. This type of photosynthesis instrument is more suitable for indoor leaf photosynthesis experiments. However, when testing the photosynthesis intensity of a single leaf on a plant in the normal growth state in the field, the existing field testing equipment does not take into account the different light in...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0098G01N33/004
Inventor 常硕其石丹丹欧阳翔
Owner HUNAN HYBRID RICE RES CENT
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