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Integrated Nutrient Management Boosts Inflorescence Biomass and Antioxidant Profile of Carlina diae (Asteraceae)—An Endangered Local Endemic Plant of Crete with Medicinal and Ornamental Value

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  • Konstantinos Paschalidis

    (Department of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece)

  • Dimitrios Fanourakis

    (Department of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece
    These authors contributed equally to this work.)

  • Georgios Tsaniklidis

    (Institute of Olive Tree, Subtropical Crops and Viticulture, Hellenic Agricultural Organization Demeter (ELGO-DIMITRA), 73134 Chania, Greece
    These authors contributed equally to this work.)

  • Ioannis Tsichlas

    (Department of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece)

  • Vasileios A. Tzanakakis

    (Department of Agriculture, School of Agricultural Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece)

  • Fotis Bilias

    (Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece)

  • Eftihia Samara

    (Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece)

  • Ioannis Ipsilantis

    (Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece)

  • Katerina Grigoriadou

    (Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter (ELGO-DIMITRA), P.O. Box 60458, 57001 Thermi, Greece)

  • Theodora Matsi

    (Soil Science Laboratory, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece)

  • Nikos Krigas

    (Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter (ELGO-DIMITRA), P.O. Box 60458, 57001 Thermi, Greece)

  • Georgios Tsoktouridis

    (Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization Demeter (ELGO-DIMITRA), P.O. Box 60458, 57001 Thermi, Greece
    Theofrastos Fertilizers, Industrial Area of Korinthos, Irinis & Filias, Ikismos Arion, Examilia, 20100 Korinthos, Greece)

Abstract

Due to the combined climate and biodiversity crisis, the sustainable utilization of phytogenetic resources stands as a one-way alternative, while nutrient management strategies are gaining an increasing role in agriculture. Building on previous studies regarding the Endangered local endemic of Crete (Greece) Carlina diae (Asteraceae), with medicinal and ornamental value, this investigation focused on its pilot cultivation and fertilization (foliar or soil application). Foliar application comprised inorganic fertilization (conventional) or integrated nutrient management (INM). Soil application consisted of conventional inorganic fertilizers, biostimulants, or INM with biostimulants. Above-ground biomass content of nutrients, leaf chlorophyll fluorescence, and color parameters (SPAD meter, DA meter, Chroma Meter) were estimated. The leaf chlorophyll content, three key antioxidant compounds, and nutrient titers were also determined. The fertilization scheme did not influence plant growth and visually perceived quality (leaf color and shape). Notably, foliar INM fertilization increased biomass partitioning to inflorescences (harvestable organs for either medicinal or ornamental purposes) and decreased tissue water content (facilitating processing). Considering all three antioxidants together, INM with biostimulant appeared the optimum scheme, being associated with the highest (carotenoids, phenolics) or the second highest (flavonoid) content. In C. diae , therefore, INM fertilization was optimal for upgrading yield (foliar) and herbal quality in terms of antioxidant profile (INM with biostimulant), which might be embraced as an eco-friendly approach for high-quality yields.

Suggested Citation

  • Konstantinos Paschalidis & Dimitrios Fanourakis & Georgios Tsaniklidis & Ioannis Tsichlas & Vasileios A. Tzanakakis & Fotis Bilias & Eftihia Samara & Ioannis Ipsilantis & Katerina Grigoriadou & Theodo, 2024. "Integrated Nutrient Management Boosts Inflorescence Biomass and Antioxidant Profile of Carlina diae (Asteraceae)—An Endangered Local Endemic Plant of Crete with Medicinal and Ornamental Value," Agriculture, MDPI, vol. 14(2), pages 1-15, February.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:2:p:259-:d:1334143
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    References listed on IDEAS

    as
    1. Mateusz Krupa & Robert Witkowicz, 2023. "Biostimulants as a Response to the Negative Impact of Agricultural Chemicals on Vegetation Indices and Yield of Common Buckwheat ( Fagopyrum esculentum Moench)," Agriculture, MDPI, vol. 13(4), pages 1-20, April.
    2. Kifayatullah Kakar & Tran Dang Xuan & Zubair Noori & Shafiqullah Aryan & Gulbuddin Gulab, 2020. "Effects of Organic and Inorganic Fertilizer Application on Growth, Yield, and Grain Quality of Rice," Agriculture, MDPI, vol. 10(11), pages 1-11, November.
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