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Crop leaf embolism vulnerability measurement system and method

A measurement system and measurement method technology, applied in the field of agricultural irrigation, can solve the problems of large-scale sampling, long time-consuming measurement, large destructiveness, etc., and achieve the effect of precise drought resistance characteristics

Active Publication Date: 2021-10-01
CHINA AGRI UNIV
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Problems solved by technology

[0005] The invention provides a crop leaf embolism vulnerability measurement system and method, which are used to solve the defects of large destructiveness, large-scale sampling and long time-consuming measurement in the traditional crop hydraulic vulnerability parameter measurement method in the prior art, and realize the Effective Measurement of Crop Hydraulic Vulnerability Parameters

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  • Crop leaf embolism vulnerability measurement system and method
  • Crop leaf embolism vulnerability measurement system and method
  • Crop leaf embolism vulnerability measurement system and method

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Embodiment Construction

[0045]In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] An embodiment of the present invention provides a crop leaf embolism vulnerability measurement system, such as Figure 1-Figure 2 As shown, the system consists of an image acquisition device A, a water potential monitoring device B and a data processing device. The image acquisition device A is used to collect the image information of the leaves, and the water potential monitoring devic...

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Abstract

The invention provides a crop leaf embolism vulnerability measurement system and method. The system comprises an image collection device which is used photographing a water loss leaf continuously, so as to obtain a continuous image sequence of the leaf; a water potential monitoring device which is used for continuously monitoring the water potential of the leaf so as to obtain continuous water potential parameters of the leaf; and a data processing device which is used for processing a continuous image sequence of the lead to obtain a corresponding continuous embolism parameter and establishing an embolism vulnerability data set of the leaf. According to the method, the embolism area of the leaf is calculated through the data processing device, fitting of a water potential time sequence is combined, a leaf embolism vulnerability curve is constructed through the percentage of leaf embolism pixels in the dehydration process and the obtained water potential sequence, corresponding leaf hydraulic conductivity and water potential information can be obtained through the leaf embolism vulnerability curve, the irrigation strategy of the crops is adjusted, and the drought resistance characteristics of the plants are automatically, continuously and accurately determined on the basis that large-scale destructive sampling is not needed.

Description

technical field [0001] The invention relates to the technical field of agricultural irrigation, in particular to a system and method for measuring the embolism vulnerability of crop leaves. Background technique [0002] Drought and water shortage are exacerbating threats to agricultural production and seriously threatening world food security. Climate change is also predicted to increase the frequency and severity of global ecosystem droughts. Characterizing the drought tolerance of different species is key to improving methods for predicting ecosystem responses to global change. The drought tolerance of plants is jointly determined by multiple traits. To clarify a series of physiological response mechanisms of plants in the face of water stress is the key to improving the ability of crops to save water and resist drought under drought stress. Plant photosynthesis and growth are dependent on available water supply, so under water stress conditions, hydraulic dysfunction ca...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/66G01N21/84G06T7/60H04N5/232
CPCG01N25/66G01N21/84G06T7/60G01N2021/8466G06T2207/10004H04N23/64
Inventor 丁日升曹荷莉康绍忠杜太生佟玲
Owner CHINA AGRI UNIV
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