In vitro shoot regeneration from organogenic callus culture and rooting of Carpathian endemic Aconitum bucovinense Zapał.
Plant Cell, Tissue and Organ Culture (PCTOC)(2022)
Abstract
Aconitum bucovinense Zapał. is the European species of monkshood, endemic to the Eastern and Southern Carpathians. A protocol has been developed for the in vitro regeneration of adventitious shoots by indirect organogenesis from leaf explants. An initiation of cultures carried out on a medium (B5 macronutrients, MS micronutrients) with picloram and kinetin allowed obtaining a callus. More than a 200% FM increase of the callus and at the same time differentiation of adventitious buds were obtained on IBA and BAP supplemented medium. Excised buds were used to establish shoot cultures and multiplied after a transfer to nutrient media with an addition of BAP with IBA, IAA or NAA. Almost 70% of rooted shoots were obtained on a 1.5 mg L −1 IBA and 1.0 mg L −1 BAP supplemented medium with simultaneous efficient multiplication. An analysis of peroxidase activity revealed its gradual increase in shoots until the appearance of roots. For the first time, an efficient way to regenerate, multiply and root A . bucovinense shoots has been developed and can be used for ex situ conservation of this species.
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Key words
Micropropagation,Monkshood,Peroxidase,Ex situ conservation
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