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Development of a novel semi-hydroponic phenotyping system for studying root architecture


Chen, YL and Dunbabin, VM and Diggle, AJ and Siddique, KHM and Rengel, Z, Development of a novel semi-hydroponic phenotyping system for studying root architecture, Functional Plant Biology, 38 pp. 355-363. ISSN 1445-4408 (2011) [Refereed Article]

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Copyright 2011 CSIRO

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DOI: doi:10.1071/FP10241


A semi-hydroponic bin system was developed to provide an efficient phenotyping platform for studying root architecture. The system was designed to accommodate a large number of plants in a small area for screening genotypes. It was constructed using inexpensive and easily obtained materials: 240-L plastic mobile bins, clear acrylic panels covered with black calico cloth,and a controlled watering system. A screening experiment for root traits of 20 wild genotypes of narrow-leafed lupin (Lupinus angustifolius L.) evaluated the reliability and efficiency of the constructed bin system. Root architecture, root elongation rate and branching patterns were monitored for 6 weeks. Significant differences in both architectural and morphological traits were observed among tested genotypes, particularly for total root length, branch number, specific root length and branch density. Results demonstrated that the bin system was efficient in screening root traits in narrow-leafed lupin, allowing for rapid measurement of two-dimensional root architecture over time with minimal disturbance to plant growth and without destructive root sampling. The system permits mapping and digital measurement of dynamic growth of taproot and lateral roots. This phenotyping platform is a desirable tool for examining root architecture of deep root systems and large sets of plants in a relatively small space.

Item Details

Item Type:Refereed Article
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Crop and pasture production
Research Field:Crop and pasture production not elsewhere classified
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Lupins
UTAS Author:Dunbabin, VM (Dr Vanessa Dunbabin)
ID Code:66134
Year Published:2011
Funding Support:Australian Research Council (DP0988193)
Web of Science® Times Cited:50
Deposited By:Agricultural Science
Deposited On:2010-12-23
Last Modified:2012-05-23
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