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GIS-Facilitated Germination of Stored Seeds from Five Wild-Growing Populations of Campanula pelviformis Lam. and Fertilization Effects on Growth, Nutrients, Phenol Content and Antioxidant Potential

Anestis, Ioannis ; Pipinis, Elias ; Kostas, Stefanos ; [et al.]

MDPI AG ; 2023

In: Horticulturae Vol. 9, No. 8 ( 2023-08-02), p. 877-

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In: Horticulturae, MDPI AG, Vol. 9, No. 8 ( 2023-08-02), p. 877-

Abstract: This study was designed to bridge extant research gaps regarding the vulnerable and protected local endemic Campanula pelviformis, a wild edible green traditionally consumed in Crete (Greece) with agro-alimentary and medicinal interest as well as ornamental value. The C. pelviformis ecological profile was generated using the climate and temperature conditions prevailing in its wild habitats through mapping of natural distribution linked with online bioclimatic databases in geographical information systems. We tested the germination of seeds from five wild-growing populations at four different temperatures (10, 15, 20 and 25 °C) and under different light conditions (light/dark and darkness), and we performed fertilization trails [integrated nutrient management (INF), chemical fertilization (ChFe), control] examining morphological and physiological characteristics, above- and below-ground macro- and micronutrients and phenol contents, as well as their antioxidant capacity. We found population and temperature effects on seed germination with their interaction being statistically significant. Campanula pelviformis germinated better at 10 and 15 °C ( 〉 85% for all populations) with no preference on light conditions (98.75% and 95% in light and dark conditions). The INF application increased root dry mass, chlorophyll content index and chlorophyll fluorescence compared to other treatments and was beneficial for macro- and micronutrient concentrations in above-ground parts compared to previously studied wild-growing material, while below-ground parts were positively impacted by both fertilization types. Total phenols and antioxidant capacity were both increased by ChFe fertilization. The data furnished herein permitted the re-evaluation and upgrade of its sustainable exploitation potential in different economic sectors.

Type of Medium: Online Resource

ISSN: 2311-7524

URL: Article

DOI: 10.3390/horticulturae9080877

Language: English

Publisher: MDPI AG

Publication Date: 2023

detail.hit.zdb_id: 2813983-5

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Wissenschaftspark Albert Einstein

EUV Frankfurt

TH Wildau

FH Potsdam

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Acclimatization of Mediterranean Native Sages (Salvia spp.) and Interspecific Hybrids in an Urban Green Roof under Regular and Reduced Irrigation

Papafotiou, Maria ; Martini, Aikaterini N. ; Tassoula, Lamprini ; [et al.]

MDPI AG ; 2022

In: Sustainability Vol. 14, No. 9 ( 2022-04-21), p. 4978-

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In: Sustainability, MDPI AG, Vol. 14, No. 9 ( 2022-04-21), p. 4978-

Abstract: Native-to-Greece sage species, namely, Salvia fruticosa, S. officinalis, S. pomifera ssp. pomifera, S. ringens, S. tomentosa and interspecific hybrids, were evaluated for their acclimatization in an extensive Mediterranean green roof during summer under regular and reduced irrigation (every 2–3 days with substrate moisture 16–22% v/v and 4–5 days with substrate moisture 7–11% v/v, respectively). A substrate (grape-marc compost:perlite:pumice, 3:3:4, v/v) that was 10 cm deep was used. Regardless of the irrigation frequency, S. pomifera ssp. pomifera × S. ringens and S. officinalis × S. pomifera ssp. pomifera showed the highest survival of all hybrids and species, along with satisfactory growth, while S. fruticosa showed the lowest survival. Reduced irrigation resulted in the reduction of aboveground and root biomass, with no damage to the photosynthetic apparatus. S. fruticosa showed the highest (53%) aboveground biomass reduction and S. officinalis, S. officinalis × S. ringens and S. pomifera ssp. pomifera × S. ringens showed the lowest (28, 23 and 3%, respectively), while S. officinalis × S. pomifera ssp. pomifera and S. pomifera ssp. pomifera × S. ringens showed the lowest reduction in root biomass (13 and 16%, respectively). With a reservation for S. fruticosa, Greek Salvia spp. and their interspecific hybrids studied in the present work are recommended for sustainable exploitation in extensive green roofs in arid regions and generally in xeriscaping.

Type of Medium: Online Resource

ISSN: 2071-1050

URL: Article

DOI: 10.3390/su14094978

Language: English

Publisher: MDPI AG

Publication Date: 2022

detail.hit.zdb_id: 2518383-7

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BTU Cottbus

Wissenschaftspark Albert Einstein

EUV Frankfurt

TH Wildau

FH Potsdam

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Agro-Alimentary Potential of the Neglected and Underutilized Local Endemic Plants of Crete (Greece), Rif-Mediterranean Coast of Morocco and Tunisia: Perspectives and Challenges

Libiad, Mohamed ; Khabbach, Abdelmajid ; El Haissoufi, Mohamed ; [et al.]

MDPI AG ; 2021

In: Plants Vol. 10, No. 9 ( 2021-08-25), p. 1770-

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In: Plants, MDPI AG, Vol. 10, No. 9 ( 2021-08-25), p. 1770-

Abstract: The neglected and underutilized plants (NUPs) could become alternative food sources in the agro-alimentary sector, enriching human and animal diets, offering the opportunity for sustainable exploitation, resilience to climate change, and production with resistance to pests and diseases. In the Mediterranean countries, these valuable resources are threatened by climate change, overexploitation, and/or monoculture. In this framework, we evaluated 399 local endemic NUPs of Crete (Greece), the Mediterranean coast, Rif of Morocco, and Tunisia, regarding their agro-alimentary potential, and assessed their feasibility and readiness timescale for sustainable exploitation with own previously published methodology. The methodological scheme was developed by experts in co-creative workshops, using point-scoring of seven attributes to evaluate the potential of the targeted NUPs in the agro-alimentary. Our results showed a diversity of promising local endemic NUPs of different families in the studied regions (Lamiaceae members are prominent), and we outlined the cases of 13 taxa with the highest optimum scores of agro-alimentary potential ( 〉 70%). Despite the diversity or the promising potential and current ex-situ conservation efforts to bridge gaps, our study indicated that only a few cases of Cretan local endemic NUPs can be sustainably exploited in the short-term. However, it is argued that many more local endemic NUPs can easily follow sustainable exploitation schemes if specific research gaps are bridged. Since NUPs can help to increased diversification of food production systems by adding new nutritional/beneficial species to human and animal diets, basic and applied research, as well as market and stakeholder attraction, is suggested as prerequisite to unlock the full potential of the focal endemic NUPs in the agro-alimentary sector.

Type of Medium: Online Resource

ISSN: 2223-7747

URL: Article

DOI: 10.3390/plants10091770

Language: English

Publisher: MDPI AG

Publication Date: 2021

detail.hit.zdb_id: 2704341-1

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BTU Cottbus

Wissenschaftspark Albert Einstein

EUV Frankfurt

TH Wildau

FH Potsdam

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Influence of Temperature on Seed Germination of Five Wild-Growing Tulipa Species of Greece Associated with Their Ecological Profiles: Implications for Conservation and Cultivation

Hatzilazarou, Stefanos ; Pipinis, Elias ; Kostas, Stefanos ; [et al.]

MDPI AG ; 2023

In: Plants Vol. 12, No. 7 ( 2023-04-06), p. 1574-

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In: Plants, MDPI AG, Vol. 12, No. 7 ( 2023-04-06), p. 1574-

Abstract: Although tulips are famous worldwide as ornamental plants, the knowledge about the seed germination of wild-growing species remains limited. The aim of the present study was to investigate the effect of temperature on seed germination of the local, wild-growing Greek endemics Tulipa bakeri and T. goulimyi and the sub-Balkan endemic T. undulatifolia, which are threatened with extinction, as well as the Mediterranean T. australis and the Asiatic T. clusiana naturalized on Chios Island (Greece). The germination responses at five constant temperatures (5, 10, 15, 20, and 25 °C) were assessed for all studied species in growth chambers under a 12:12 light–dark photoperiod. The ecological profile for each species was developed in R using open-source bioclimatic data; this was built to illustrate the abiotic environmental conditions of their wild habitats, to facilitate the examination of temperature effects on seed germination, and to facilitate their cultivation in artificial environments. The results indicated that the seed germination requirements of the studied species had a range-specific temperature dependence, reflecting their natural adaptation to local ecological conditions. Seed germination of T. bakeri, T. australis, and T. clusiana was observed only in a narrow range of very low temperatures (5–10 °C), whereas germination of T. undulatifolia and T. goulimyi occurred at temperatures between 5 and 15 °C. A temperature increase to 20 or 25 °C resulted in the absence of seed germination for all five Greek tulip species. The germinated seeds were planted in pots and bulblets were developed under greenhouse conditions. Seeds and bulblets constitute valuable genetic materials for the cultivation and ex situ conservation of these five Greek tulip species, three of which are threatened with extinction.

Type of Medium: Online Resource

ISSN: 2223-7747

URL: Article

DOI: 10.3390/plants12071574

Language: English

Publisher: MDPI AG

Publication Date: 2023

detail.hit.zdb_id: 2704341-1

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BTU Cottbus

Wissenschaftspark Albert Einstein

EUV Frankfurt

TH Wildau

FH Potsdam

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Effect of Temperature on Breaking of Morphophysiological Dormancy and Seed Germination Leading to Bulblet Production in Two Endemic Tulip Species from Greece

Pipinis, Elias ; Hatzilazarou, Stefanos ; Kostas, Stefanos ; [et al.]

MDPI AG ; 2023

In: Plants Vol. 12, No. 9 ( 2023-04-30), p. 1859-

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In: Plants, MDPI AG, Vol. 12, No. 9 ( 2023-04-30), p. 1859-

Abstract: Due to botanical tulips’ economic interest coupled with limited information regarding their seed germination, we investigated the effect of temperature on dormancy release and germination in two endangered local endemic tulip species of Greece (Tulipa hageri Heldr., T. orphanidea Heldr.). Their germination responses at five constant temperatures (5, 10, 15, 20, and 25 °C) were evaluated in growth chambers, while the type of seed dormancy and the temperature effect on its release were determined based on open-sourced, R-derived species-specific ecological profiles illustrating abiotic conditions of their wild habitats. The results indicated a range-specific temperature dependence in seed germination for both studied species with seed germination observed only in very low temperatures (5–10 °C). The seeds of both species after dispersal had an underdeveloped embryo. The existence of a complex morphophysiological seed dormancy was confirmed in both species by the significant embryo development only at 5 and 10 °C (almost doubled after 30 days) coupled with observed delay in germination only at low temperatures. Furthermore, to facilitate their cultivation and ex situ conservation, the germinated seeds were planted in pots to develop bulblets in greenhouse conditions resulting in bigger T. orphanidea bulblets compared to T. hageri.

Type of Medium: Online Resource

ISSN: 2223-7747

URL: Article

DOI: 10.3390/plants12091859

Language: English

Publisher: MDPI AG

Publication Date: 2023

detail.hit.zdb_id: 2704341-1

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Online Resource

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BTU Cottbus

Wissenschaftspark Albert Einstein

EUV Frankfurt

TH Wildau

FH Potsdam

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