期刊
HORTICULTURAE
卷 9, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/horticulturae9030335
关键词
biodiversity; chlorophyll content; ecological profiles; integrated nutrient management; neglected and underutilized species; nutrient content
类别
This study focuses on the conservation and sustainable utilization of two local endemic plants on Crete (Greece), Lomelosia minoana and Eryngium ternatum. By examining the ecological profiles and the effects of temperature and fertilization on their growth and nutrient content, this study provides insights into their optimal growing conditions and recommendations for their sustainable exploitation.
This multidisciplinary study is focused on the conservation and sustainable utilization of Lomelosia minoana (Dipsacaceae; subsp. minoana and subsp. asterusica) and Eryngium ternatum (Apiaceae), three local endemic plants of Crete (Greece) with economic interest. Using Geographical Information Systems and open-source geodatabases, detailed ecological profiles were compiled to illustrate the abiotic environmental conditions prevailing in their wild habitats. We examined for the first time temperature effects (10, 15, 20 and 25 degrees C) on seed germination and fertilization effects (INM, integrated nutrient management, and chemical fertilization compared to control) on growth parameters and nutrient content of leaves as well as their phenol content and antioxidant potential. L. minoana subsp. asterusica germinated better at 15 degrees C (61.25%), subsp. minoana at 10 and 15 degrees C (30% and 27.50%, respectively) while E. ternatum did not show significant differences. The seedling fertilization with INM resulted in 10-15-fold higher absorption of copper without toxicity compared with chemical fertilization and the control; INM was also superior to chemical fertilization in most of the macronutrients in leaves. The total phenol content and the antioxidant capacity of leaf extracts were positively affected by chemical fertilization in L. minoana subsp. minoana and E. ternatum. Both fertilization treatments almost equally affected the morphological and physiological characteristics of the examined taxa. In light of the above-mentioned and the research gaps bridged for the studied taxa, we re-evaluated and updated both the feasibility and the readiness timescale for their sustainable exploitation in economic sectors.
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