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Rootstock effects on scion phenotypes in a ‘Chambourcin’ experimental vineyard

View ORCID ProfileZoë Migicovsky, Zachary N. Harris, Laura L. Klein, Mao Li, Adam McDermaid, Daniel H. Chitwood, Anne Fennell, Laszlo G. Kovacs, Misha Kwasniewski, Jason P. Londo, Qin Ma, Allison J. Miller
doi: https://doi.org/10.1101/484212
Zoë Migicovsky
1Department of Plant and Animal Sciences, Faculty of Agriculture, Dalhousie University, Truro, Nova Scotia, B2N 5E3, Canada
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  • ORCID record for Zoë Migicovsky
Zachary N. Harris
2Department of Biology, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103-2010, USA
3Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132-2918, USA
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Laura L. Klein
2Department of Biology, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103-2010, USA
3Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132-2918, USA
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Mao Li
3Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132-2918, USA
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Adam McDermaid
4Department of Math & Statistics, BioSNTR, South Dakota State University, SD, 57006, USA
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Daniel H. Chitwood
5Department of Horticulture, Michigan State University, East Lansing, MI, 48824, USA
6Department of Computational Mathematics, Science and Engineering, Michigan State University, East Lansing, MI, 48824, USA
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Anne Fennell
7Department of Agronomy, Horticulture & Plant Science, BioSNTR, South Dakota State University, SD, 57006, USA
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Laszlo G. Kovacs
8Department of Biology, Missouri State University, 901 S. National Avenue, Springfield, MO, 65897, USA
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Misha Kwasniewski
9Department of Food Science, University of Missouri, 221 Eckles Hall, Columbia, MO 65211 USA
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Jason P. Londo
10United States Department of Agriculture, Agricultural Research Service: Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456-1371, USA
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Qin Ma
4Department of Math & Statistics, BioSNTR, South Dakota State University, SD, 57006, USA
7Department of Agronomy, Horticulture & Plant Science, BioSNTR, South Dakota State University, SD, 57006, USA
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Allison J. Miller
2Department of Biology, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103-2010, USA
3Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 63132-2918, USA
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  • For correspondence: allison.j.miller@slu.edu
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Abstract

Understanding how root systems modulate shoot system phenotypes is a fundamental question in plant biology and will be useful in developing resilient agricultural crops. Grafting is a common horticultural practice that joins the roots (rootstock) of one plant to the shoot (scion) of another, providing an excellent method for investigating how these two organ systems affect each other. In this study, we use the French-American hybrid grapevine ‘Chambourcin’ (Vitis L.) as a model to explore the rootstock-scion relationship. We examined leaf shape, ion concentrations, and gene expression in ‘Chambourcin’ grown own-rooted as well as grafted to three different rootstocks (‘SO4’, ‘1103P’ and ‘3309C’) across two years and three different irrigation treatments. Results described here demonstrate that 1) the largest source of variation in leaf shape stems from the interaction of rootstock by irrigation; 2) leaf position, but also rootstock and rootstock by irrigation interaction, are the primary sources of variation in leaf ion concentrations; and 3) gene expression in scion leaves exhibited significantly different patterns of gene expression from ungrafted vines, and these expression patterns were rootstock-specific. Our work provides an initial description of the subtle and complex effect of grafting on ‘Chambourcin’ leaf morphology, ionomics and gene expression in grapevine scions. Further work across multiple years, environments and additional phenotypes is required in order to determine how the relationship between the rootstock and the scion can best be leveraged for adapting grapevines to a changing climate.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted December 03, 2018.
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Rootstock effects on scion phenotypes in a ‘Chambourcin’ experimental vineyard
Zoë Migicovsky, Zachary N. Harris, Laura L. Klein, Mao Li, Adam McDermaid, Daniel H. Chitwood, Anne Fennell, Laszlo G. Kovacs, Misha Kwasniewski, Jason P. Londo, Qin Ma, Allison J. Miller
bioRxiv 484212; doi: https://doi.org/10.1101/484212
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Rootstock effects on scion phenotypes in a ‘Chambourcin’ experimental vineyard
Zoë Migicovsky, Zachary N. Harris, Laura L. Klein, Mao Li, Adam McDermaid, Daniel H. Chitwood, Anne Fennell, Laszlo G. Kovacs, Misha Kwasniewski, Jason P. Londo, Qin Ma, Allison J. Miller
bioRxiv 484212; doi: https://doi.org/10.1101/484212

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