REVIEW PAPER
Field phenotyping of plant roots by electrical capacitance – a standardized methodological protocol for application in plant breeding: a Review
 
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1
Department of Crop Science, Breeding and Plant Medicine, Mendel University in Brno, Czech Republic
 
2
Division of Crop Management Systems, Crop Research Institute, Czech Republic
 
3
Institute of Plant Production, University of Agriculture in Kraków, Poland
 
4
Department of Applied and Landscape Ecology, Mendel University in Brno, Czech Republic
 
5
Division of Agronomy, University of Natural Resources and Life Sciences, Austria
 
 
Final revision date: 2020-01-16
 
 
Acceptance date: 2020-01-29
 
 
Publication date: 2020-03-09
 
 
Corresponding author
Tomáš Středa   

Department of Crop Science, Breeding and Plant Medicine, Mendel University in Brno, Czech Republic
 
 
Int. Agrophys. 2020, 34(2): 173-184
 
KEYWORDS
TOPICS
ABSTRACT
Due to the absence of a suitable method and standardized procedures, the root systems of plants have been evaluated to a much lesser extent than aboveground organs. The aim of this article is (i) to provide a detailed description and thus standardization of an upgraded procedure of electrical capacitance measurement for evaluating the root system size of plants in situ, which allows re-assessment during the growing season and subsequent harvest of seeds for the planting of selected progenies, (ii) to demonstrate, through a standardized methodological protocol, the applicability of root electrical capacitance measurement as a field phenotyping method for the selection of superior root systems to improve crop abiotic stress tolerance and resource efficiency, (iii) to suggest a standardized methodological protocol for the application of electrical capacitance measurements in breeding nurseries, and (iv) to discuss methodological aspects, development and limitations of this method. A methodological overview of the use of electrical capacitance to measure plant root systems, emerging from working groups directed by the author of this unique method, is given along with a standardized protocol. An overview of the application of electrical capacitance measurements of roots in breeding is shown along with some examples of successful applications.
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