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- Title
In Vitro Micropropagation, Rooting and Acclimatization of Two Agastache Species (A. aurantiaca and A. mexicana).
- Authors
Copetta, Andrea; Mussano, Paolo; Devi, Poonam; Lanteri, Angelo; Cassetti, Arianna; Mascarello, Carlo; Bisio, Angela; Ruffoni, Barbara
- Abstract
Agastache aurantiaca 'Sunset Yellow' and A. mexicana 'Sangria' are aromatic plants with edible flowers characterized with good flavors, nutritional values and pleasant aromas. The aim of this study was to establish a successful protocol to ensure fast shoot propagation, rooting and in vivo acclimatization to obtain many vigorous plants for edible flower production. Micropropagation was tested with an agarized Murashige and Skoog (MS) medium enriched with different 6-benzylamino purine (BAP) levels. In vitro rooting trials were carried out using a half-strength MS medium comparing the traditional jar method with an agarized medium and the temporary immersion system (TIS) bioreactor with a liquid medium. After acclimatization in a greenhouse, the survival of plants and their development were recorded. Microscopical analyses were performed on both in-jar and in-TIS leaves at rooting stages and compared with in vivo leaves. In both species, the greatest number of new shoots was noted at 2.22 µM and 3.33 µM of BAP. In TIS, rooting started earlier, resulting in larger plants with more roots and longer roots than in the jar substrate. Any anatomical difference was observed in leaves collected from the jar and TIS during the rooting stage. The best acclimatization performances were recorded in plants coming from the TIS bioreactor.
- Subjects
EDIBLE plants; FLOWERING of plants; ACCLIMATIZATION (Plants); PLANT development; AROMATIC plants; SPECIES; ACCLIMATIZATION
- Publication
Horticulturae, 2023, Vol 9, Issue 10, p1065
- ISSN
2311-7524
- Publication type
Article
- DOI
10.3390/horticulturae9101065