Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/133683
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Type: | Journal article |
Title: | Using High-Throughput Phenotyping to Explore Growth Responses to Mycorrhizal Fungi and Zinc in Three Plant Species |
Author: | Watts-Fawkes, S.J. Jewell, N. Brien, C. Berger, B. Garnett, T. Cavagnaro, T.R. |
Citation: | Plant Phenomics, 2019; 2019:5893953-1-5893953-12 |
Publisher: | American Association for the Advancement of Science |
Issue Date: | 2019 |
ISSN: | 2643-6515 2643-6515 |
Statement of Responsibility: | S. J. Watts-Williams, N. Jewell, C. Brien, B. Berger, T. Garnett, and T. R. Cavagnaro |
Abstract: | There are many reported benefits to plants of arbuscular mycorrhizal fungi (AMF), including positive plant biomass responses; however, AMF can also induce biomass depressions in plants, and this response receives little attention in the literature. High-throughput phenotyping (HTP) technology permits repeated measures of an individual plant’s aboveground biomass. We examined the effect on AMF inoculation on the shoot biomass of three contrasting plant species: a vegetable crop (tomato), a cereal crop (barley), and a pasture legume (Medicago).We also considered the interaction of mycorrhizal growth responses with plant-available soil zinc (Zn) and phosphorus (P) concentrations. Te appearance of a depression in shoot biomass due to inoculation with AMF occurred at different times for each plant species; depressions appeared earliest in tomato, then Medicago, and then barley. The usually positive-responding Medicago plants were not responsive at the high level of soil available P used. Mycorrhizal growth responsiveness in all three species was also highly interactive with soil Zn supply; tomato growth responded negatively to AMF inoculation in all soil Zn treatments except the toxic soil Zn treatment, where it responded positively. Our results illustrate how context-dependent mycorrhizal growth responses are and the value of HTP approaches to exploring the complexity of mycorrhizal responses. |
Rights: | Copyright © 2019 S. J. Watts-Williams et al. Exclusive Licensee Nanjing Agricultural University. Distributed under a Creative Commons Attribution License (CC BY 4.0). |
DOI: | 10.34133/2019/5893953 |
Grant ID: | http://purl.org/au-research/grants/arc/CE140100008 |
Published version: | http://dx.doi.org/10.34133/2019/5893953 |
Appears in Collections: | Agriculture, Food and Wine publications |
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hdl_133683.pdf | Published version | 1.16 MB | Adobe PDF | View/Open |
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