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What drives interspecies graft union success? Exploring the role of phylogenetic relatedness and stem anatomy
Citation
Wulf, K and Reid, JB and Foo, E, What drives interspecies graft union success? Exploring the role of phylogenetic relatedness and stem anatomy, Physiologia Plantarum, 170, (1) pp. 132-147. ISSN 0031-9317 (2020) [Refereed Article]
Copyright Statement
Copyright 2020 Scandinavian Plant Physiology Society
Abstract
The underlying mechanisms that determine whether two species can form a successful graft union (graft compatibility) remain obscure. Two prominent hypotheses are (1) the more closely related species are, the higher the graft success and (2) the vascular anatomy at the graft junction influences graft success. In this paper these two hypotheses are examined in a systematic way using graft combinations selected from a range of (a) phylogenetically close and more distant legume species, (b) species displaying different germination patterns and (c) scions and rootstocks possessing contrasting stem tissues and vascular patterns. Relatedness of species was not a good predictor of graft compatibility, as vascular reconnection can occur between distantly related species and can fail to occur in some more closely related species. Similarly, neither the stem tissues present at the graft junction nor the vascular anatomy correlated with the success of vascular reconnection. Relatedness and stem anatomy therefore do not appear to be the determining factors in successful vascular reconnection after grafting in legumes. These results are discussed in conjunction with other hypotheses such as the role of auxin.
Item Details
Item Type: | Refereed Article |
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Keywords: | auxin, grafting, interspecies, vascular development |
Research Division: | Biological Sciences |
Research Group: | Plant biology |
Research Field: | Plant developmental and reproductive biology |
Objective Division: | Plant Production and Plant Primary Products |
Objective Group: | Other plant production and plant primary products |
Objective Field: | Other plant production and plant primary products not elsewhere classified |
UTAS Author: | Wulf, K (Miss Kate Wulf) |
UTAS Author: | Reid, JB (Professor Jim Reid) |
UTAS Author: | Foo, E (Associate Professor Eloise Foo) |
ID Code: | 144734 |
Year Published: | 2020 |
Funding Support: | Australian Research Council (FT140100770) |
Web of Science® Times Cited: | 9 |
Deposited By: | Plant Science |
Deposited On: | 2021-06-07 |
Last Modified: | 2021-08-10 |
Downloads: | 0 |
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