Propagation and ex-situ conservation of Lomelosia minoana subsp. minoana and Scutellaria hirta - two ornamental and medicinal Cretan endemics (Greece)

  • Katerina GRIGORIADOU Hellenic Agricultural Organization (HAO)-DEMETER, Institute of Plant Breeding and Genetic Resources, Balkan Botanic Garden of Kroussia, Laboratory of Protection and Evaluation of Native and Floriculture Species, GR-570 01 Thermi, Thessaloniki, P.O. Box 60458
  • Nikos KRIGAS Hellenic Agricultural Organization (HAO)-DEMETER, Institute of Plant Breeding and Genetic Resources, Balkan Botanic Garden of Kroussia, Laboratory of Protection and Evaluation of Native and Floriculture Species, GR-570 01 Thermi, Thessaloniki, P.O. Box 60458
  • Virginia SARROPOULOU Hellenic Agricultural Organization (HAO)-DEMETER, Institute of Plant Breeding and Genetic Resources, Balkan Botanic Garden of Kroussia, Laboratory of Protection and Evaluation of Native and Floriculture Species, GR-570 01 Thermi, Thessaloniki, P.O. Box 60458
  • Eleni MALOUPA Hellenic Agricultural Organization (HAO)-DEMETER, Institute of Plant Breeding and Genetic Resources, Balkan Botanic Garden of Kroussia, Laboratory of Protection and Evaluation of Native and Floriculture Species, GR-570 01 Thermi, Thessaloniki, P.O. Box 60458
  • Georgios TSOKTOURIDIS Hellenic Agricultural Organization (HAO)-DEMETER, Institute of Plant Breeding and Genetic Resources, Balkan Botanic Garden of Kroussia, Laboratory of Protection and Evaluation of Native and Floriculture Species, GR-570 01 Thermi, Thessaloniki, P.O. Box 60458
Keywords: cuttings; floriculture; germplasm preservation; phytogenetic resources; rooting; seed germination; sustainable utilization

Abstract

Human needs and concomitant commercial trade to date trigger the demand of new ornamental plants and new natural medicinal products. The current study includes preliminary seed germination trials and presents the development of effective vegetative propagation protocols for Lomelosia minoana subsp. minoana (Dipsacaceae) and Scutellaria hirta (Lamiaceae), both globally rare, local endemics of Crete (Greece) with potential ornamental and medicinal value. Based on material collected directly from the wild, seed germination was succeeded (38%, T50: 10.74) only for L. minoana subsp. minoana. The optimal indole-3-butyric acid concentrations for effective rooting of cuttings were 2000 mg L-1 for L. minoana subsp. minoana (85%) and 4000 mg L-1 for S. hirta (50%). Seasonal differences were observed in respective rooting rates of the studied taxa. The detected rooting rates for L. minoana subsp. minoana cuttings are above standards to allow possible commercial application in the ornamental industry. Although the detected rooting rate (50%) for S. hirta was adequate for its ex situ conservation, it seems almost marginal for future commercial application and further investigation is needed. The sustainable utilization of these Cretan endemics studied herein provides new input for the ornamental-horticultural and cosmetic-pharmaceutical industries. This study shows how rare and endemic wild plant species can be progressively domesticated and introduced into sustainable cultivation systems in order to avoid the depletion of unique phytogenetic resources.

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Published
2021-02-22
How to Cite
GRIGORIADOU, K., KRIGAS, N., SARROPOULOU, V., MALOUPA, E., & TSOKTOURIDIS, G. (2021). Propagation and ex-situ conservation of Lomelosia minoana subsp. minoana and Scutellaria hirta - two ornamental and medicinal Cretan endemics (Greece) . Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 49(1), 12168. https://doi.org/10.15835/nbha49112168
Section
Research Articles
CITATION
DOI: 10.15835/nbha49112168