Device and method for measuring respiration rate of fruit
A technology of respiration rate and fruit, applied in the direction of measuring devices, testing plants/trees, instruments, etc., can solve the problems of long time required to measure a sample, difficulty in ensuring consistency of results, complicated operation steps, etc., to achieve measurement The data is accurate, the gas is uniform, and the effect of saving experimental materials
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[0035] Example 1: as figure 1 As shown, the present invention is a device for measuring the respiration rate of fruit, comprising a closed CO 2 Assimilation chamber 7 and photosynthesis measuring instrument 1, the photosynthesis measuring instrument 1 is provided with two CO 2 Detector, one end of the inlet pipe 2 and the outlet pipe 3 are respectively connected with CO 2 Detector, the other end is connected to CO 2 Assimilation chamber 7, through the intake line 2 to introduce CO 2 , when measuring, the fruit is placed in a closed CO 2 In assimilation chamber 7, CO 2 The change of CO2 in the assimilation chamber 7 is the difference produced by the fruit respiration.
[0036] The photosynthesis measuring instrument used in this example is the PPsystems TPS-2 portable photosynthesis measuring system. Other types of photosynthesis assay systems may also be used.
[0037] like figure 2 shown, the CO 2 The assimilation chamber 7 is provided with a base 6 for placing frui...
Example Embodiment
[0067] Example 2: The difference between this example and Example 1 is: the CO described in this example 2 The volume of the assimilation chamber is 1.7 times the volume of the fruit to be tested. the CO 2 The floor area of the assimilation chamber is 1.6 times the maximum cross-section of the fruit to be tested. like image 3 As shown, in this example, a plurality of circular ventilation holes 10 are opened on the base 6, and other shapes of ventilation holes are also possible. The measurement method and measurement accuracy are the same as in Example 1.
Example Embodiment
[0068] Example 3: The difference between this example and Example 1 is: the CO described in this example 2 The volume of the assimilation chamber is twice the volume of the fruit to be tested. the CO 2 The floor area of the assimilation chamber is 1.8 times the maximum cross-section of the fruit to be tested. The measurement method and measurement accuracy are the same as in Example 1.
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