| Issue |
BIO Web Conf.
Volume 24, 2020
International Conferences “Plant Diversity: Status, Trends, Conservation Concept” 2020
|
|
|---|---|---|
| Article Number | 00058 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/bioconf/20202400058 | |
| Published online | 21 September 2020 | |
In vitro and ex vitro rooting of Spiraea betulifolia subsp. aemiliana (Rosaceae), an ornamental shrub
Central Siberian Botanical Garden, Siberian Branch RAS, 630090 Novosibirsk, Russia
* Correspondingauthor: dsmuraseva@csbg.nsc.ru
Two methods of rhizogenesis – in vitro and ex vitro of Spiraea betulifolia subsp. aemiliana (C.K. Schneid.) H. Hara microshoots have been compared. Pulse treatment of microshoots with aqueous solutions of 4% “Heteroauxin” or 2% succinic acid (ex vitro rooting) did not effective -rooting frequency ranged from 3 to 19%. It was established that the in vitro rooting on nutrient media supplemented with auxins was a more effective technique, providing a high percentage of rooted microshoots. The use of half- strength MS medium supplemented with 0.1 μM indolyl-3-butyric acid (rooting frequency 8 8%, root number 3.5 ± 0.3 per plantlet) was found to be the most efective for in vitro rooting. The in vitro rooted regenerated plantlets were successfully acclimatized with 55% of survival rate.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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