Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features

Wild phytogenetic resources are threatened by overexploitation. This pressure on species and natural ecosystems can be alleviated in part by recruiting and domesticating wild-growing species under pilot cultivation with tailor-made fertilization schemes. This study focused on the pilot cultivation o...

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Main Authors: Dimitrios Fanourakis, Konstantinos Paschalidis, Georgios Tsaniklidis, Vasileios A. Tzanakakis, Fotis Bilias, Eftihia Samara, Eleftheria Liapaki, Manal Jouini, Ioannis Ipsilantis, Eleni Maloupa, Georgios Tsoktouridis, Theodora Matsi, Nikos Krigas
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/12/1/94
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author Dimitrios Fanourakis
Konstantinos Paschalidis
Georgios Tsaniklidis
Vasileios A. Tzanakakis
Fotis Bilias
Eftihia Samara
Eleftheria Liapaki
Manal Jouini
Ioannis Ipsilantis
Eleni Maloupa
Georgios Tsoktouridis
Theodora Matsi
Nikos Krigas
author_facet Dimitrios Fanourakis
Konstantinos Paschalidis
Georgios Tsaniklidis
Vasileios A. Tzanakakis
Fotis Bilias
Eftihia Samara
Eleftheria Liapaki
Manal Jouini
Ioannis Ipsilantis
Eleni Maloupa
Georgios Tsoktouridis
Theodora Matsi
Nikos Krigas
author_sort Dimitrios Fanourakis
collection DOAJ
description Wild phytogenetic resources are threatened by overexploitation. This pressure on species and natural ecosystems can be alleviated in part by recruiting and domesticating wild-growing species under pilot cultivation with tailor-made fertilization schemes. This study focused on the pilot cultivation of <i>Origanum microphyllum</i>—a critically endangered local endemic plant of Crete, Greece—investigating the effect of conventional and integrated nutrient management (ΙΝΜ) fertilizers by foliar or root application and biostimulant. Above-ground biomass together with leaf chlorophyll fluorescence and color (SPAD meter, DA meter, Chroma Meter) were determined. Leaf chlorophyll, antioxidant compound (carotenoids, phenols, flavonoids), and nutrient contents were also assessed. The results showed that fertilization did not significantly affect plant growth and leaf nutrient content. Root fertilization was associated with greener leaves compared to foliar. The same trend was generally evident for antioxidant compound content. The small size of leaves may have impeded the efficiency of the foliar application. In conclusion, root application of conventional or INM fertilizers seems more suitable to promote visual quality and herbal antioxidant profile of <i>O. microphyllum</i>, than the foliar one.
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spelling doaj.art-bd84d4598bf14bd6a3531880e535a06d2023-11-23T12:38:10ZengMDPI AGAgronomy2073-43952021-12-011219410.3390/agronomy12010094Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality FeaturesDimitrios Fanourakis0Konstantinos Paschalidis1Georgios Tsaniklidis2Vasileios A. Tzanakakis3Fotis Bilias4Eftihia Samara5Eleftheria Liapaki6Manal Jouini7Ioannis Ipsilantis8Eleni Maloupa9Georgios Tsoktouridis10Theodora Matsi11Nikos Krigas12Laboratory of Quality and Safety of Agricultural Products, Landscape and Environment, Specialization of Floriculture and Landscape Architecture, Department of Agriculture, Hellenic Mediterranean University, Estavromenos, 71004 Heraklion, GreeceDepartment of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, GreeceInstitute of Olive Tree, Subtropical Crops and Viticulture, Hellenic Agricultural Organization Demeter, 73134 Chania, GreeceDepartment of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, GreeceSoil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceSoil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceDepartment of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, GreeceDepartment of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, GreeceSoil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceInstitute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter, P.O. Box 60458, Thermi, 57001 Thessaloniki, GreeceInstitute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter, P.O. Box 60458, Thermi, 57001 Thessaloniki, GreeceSoil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceInstitute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter, P.O. Box 60458, Thermi, 57001 Thessaloniki, GreeceWild phytogenetic resources are threatened by overexploitation. This pressure on species and natural ecosystems can be alleviated in part by recruiting and domesticating wild-growing species under pilot cultivation with tailor-made fertilization schemes. This study focused on the pilot cultivation of <i>Origanum microphyllum</i>—a critically endangered local endemic plant of Crete, Greece—investigating the effect of conventional and integrated nutrient management (ΙΝΜ) fertilizers by foliar or root application and biostimulant. Above-ground biomass together with leaf chlorophyll fluorescence and color (SPAD meter, DA meter, Chroma Meter) were determined. Leaf chlorophyll, antioxidant compound (carotenoids, phenols, flavonoids), and nutrient contents were also assessed. The results showed that fertilization did not significantly affect plant growth and leaf nutrient content. Root fertilization was associated with greener leaves compared to foliar. The same trend was generally evident for antioxidant compound content. The small size of leaves may have impeded the efficiency of the foliar application. In conclusion, root application of conventional or INM fertilizers seems more suitable to promote visual quality and herbal antioxidant profile of <i>O. microphyllum</i>, than the foliar one.https://www.mdpi.com/2073-4395/12/1/94antioxidantbiostimulantcarotenoidsflavonoidsGreeceherbal quality
spellingShingle Dimitrios Fanourakis
Konstantinos Paschalidis
Georgios Tsaniklidis
Vasileios A. Tzanakakis
Fotis Bilias
Eftihia Samara
Eleftheria Liapaki
Manal Jouini
Ioannis Ipsilantis
Eleni Maloupa
Georgios Tsoktouridis
Theodora Matsi
Nikos Krigas
Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
Agronomy
antioxidant
biostimulant
carotenoids
flavonoids
Greece
herbal quality
title Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
title_full Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
title_fullStr Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
title_full_unstemmed Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
title_short Pilot Cultivation of the Local Endemic Cretan Marjoram <i>Origanum microphyllum</i> (Benth.) Vogel (Lamiaceae): Effect of Fertilizers on Growth and Herbal Quality Features
title_sort pilot cultivation of the local endemic cretan marjoram i origanum microphyllum i benth vogel lamiaceae effect of fertilizers on growth and herbal quality features
topic antioxidant
biostimulant
carotenoids
flavonoids
Greece
herbal quality
url https://www.mdpi.com/2073-4395/12/1/94
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