Spyridon Α. Petropoulos
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View article: Response of Portulaca oleracea biomass and its rhizospheric microbiome to the application of solid and liquid slumgum from beekeeping industry transformed with Penicillium chrysogenum
Response of Portulaca oleracea biomass and its rhizospheric microbiome to the application of solid and liquid slumgum from beekeeping industry transformed with Penicillium chrysogenum Open
Background and aims Slumgum, a by-product of the beeswax-rendering process, is a nutrient-rich organic waste with potential as a sustainable fertiliser. Unlike chemical fertilisers, which can degrade soil health and contribute to environme…
View article: The new trends in wild edible plants valorization: commercial cultivation protocols, agronomic practices and future challenges
The new trends in wild edible plants valorization: commercial cultivation protocols, agronomic practices and future challenges Open
The ongoing environmental crisis that takes place during the last years necessitates the adjustment of cultivations practices and their transition to sustainable and eco-friendly cropping systems system. In this context, the adoption of in…
View article: Cadmium and zinc sorption and desorption in soil: the impact of humic-fulvic acids, Bacillus sp., insect frass, and soil aging
Cadmium and zinc sorption and desorption in soil: the impact of humic-fulvic acids, Bacillus sp., insect frass, and soil aging Open
View article: Biostimulants efficacy in growing Sonchus oleraceus plants in contaminated mining soil with potentially toxic elements (PTEs)
Biostimulants efficacy in growing Sonchus oleraceus plants in contaminated mining soil with potentially toxic elements (PTEs) Open
Evaluating the effects of innovative amendments on potentially toxic element (PTE) availability is essential for managing contaminated soils and enhancing agricultural productivity. In the present work, we investigated the mitigation capac…
View article: Enhancing Tomato Growth and Quality Under Deficit Irrigation with Silicon Application
Enhancing Tomato Growth and Quality Under Deficit Irrigation with Silicon Application Open
This study aimed to evaluate the effect of two irrigation systems (deficit irrigation (DI)—70% of field capacity—and full irrigation (FI)—100% of field capacity) and a biostimulant formulation (silicon (Si) and calcium (Ca) at four differe…
View article: The Effect of Cropping System and Irrigation Regime on the Plant Growth and Biochemical Profile of Cichorium spinosum
The Effect of Cropping System and Irrigation Regime on the Plant Growth and Biochemical Profile of Cichorium spinosum Open
This study evaluated the effects of three irrigation treatments (control (rain-fed plants), deficit irrigation (DI: 50% of maximum field capacity), full irrigation (FI: 100% of maximum field capacity)), and two crop-management treatments (…
View article: Exploring the Biochemical Profile of Beta vulgaris L.: A Comparative Study of Beetroots and Swiss Chard
Exploring the Biochemical Profile of Beta vulgaris L.: A Comparative Study of Beetroots and Swiss Chard Open
In this study, leaves and roots from three beetroot cultivars (cv. Albina Vereduna (white roots), cv. Burpee’s Golden (golden roots), and cv. Pablo F1 (red roots)), as well as Swiss chard leaves (also known as “rhubarb chard”, or Beta vulg…
View article: Valorisation of pumpkin by-products: Chemical composition and bioactive properties of pumpkin seeds, peels, and fibrous strands from different local landraces of Greece
Valorisation of pumpkin by-products: Chemical composition and bioactive properties of pumpkin seeds, peels, and fibrous strands from different local landraces of Greece Open
This study evaluated the fruit by-products (peels, seeds, and fibrous strands) from 11 pumpkin genotypes cultivated in Greece aiming to valorize them as natural sources of bioactive compounds. Five compounds, including (-)-epicatechin and …
View article: Nutritional, Chemical, Antioxidant and Antibacterial Screening of Astragalus cicer L. and Astragalus glycyphyllos L. Different Morphological Parts
Nutritional, Chemical, Antioxidant and Antibacterial Screening of Astragalus cicer L. and Astragalus glycyphyllos L. Different Morphological Parts Open
The chemical composition and biological activity of A. glycyphylos and A. cicer are scarcely investigated. In this study, the nutritional and chemical profiles of A. cicer and A. glycyphyllos, considering their different morphological part…
View article: Optimization of phenolic compound extraction from Tunisian squash by-products: A sustainable approach for antioxidant and antibacterial applications
Optimization of phenolic compound extraction from Tunisian squash by-products: A sustainable approach for antioxidant and antibacterial applications Open
The valorization of agricultural by-products is a key strategy for environmental sustainability. This study focuses on optimizing the extraction of phenolic compounds from by-products (peels, fibrous strands, and seeds) of two Tunisian squ…
View article: Optimizing the encapsulation of the refined extract of squash peels for functional food applications: A sustainable approach to reduce food waste
Optimizing the encapsulation of the refined extract of squash peels for functional food applications: A sustainable approach to reduce food waste Open
Encapsulation of the refined extract from squash fruit peels was evaluated for the design of functional foods with beneficial effects on human health. The percentage of maltodextrin and gum Arabic in the wall material as well as the concen…
View article: Investigating the Effects of Optimized Mineral Fertilization on Plant Growth, Physiological Traits, Tuber Yield, and Biochemical Contents of Potato Crop
Investigating the Effects of Optimized Mineral Fertilization on Plant Growth, Physiological Traits, Tuber Yield, and Biochemical Contents of Potato Crop Open
Plants of two potato (Solanum tuberosum L.) varieties ‘Spunta’ (mid-early maturity) and ‘Kensa’ (mid-late maturity) were subjected to three nitrogen (N), phosphorus (P), and potassium (K) fertilization regimes, with T1 optimal rates (as re…
View article: Optimizing purslane cultivation through legume intercropping and crop rotation: a study on yield and rhizosphere bacterial communities
Optimizing purslane cultivation through legume intercropping and crop rotation: a study on yield and rhizosphere bacterial communities Open
Aims Mixed cropping systems such as intercropping and crop rotation have been proven to be sustainable agronomic tools that provide agro-ecological services and improve crop yield through soil physical, chemical and biological changes in t…
View article: The Application of Conventional and Organic Fertilizers During Wild Edible Species Cultivation: A Case Study of Purslane and Common Sowthistle
The Application of Conventional and Organic Fertilizers During Wild Edible Species Cultivation: A Case Study of Purslane and Common Sowthistle Open
The introduction of alternative crops, including wild edible and medicinal plants, in organic cultivation systems presents an attractive approach to producing healthy and high-quality products due to their content in beneficial compounds a…
View article: Editorial: Bio-based solutions for sustainable development of agriculture, volume II
Editorial: Bio-based solutions for sustainable development of agriculture, volume II Open
View article: Effect of Salinity on the Growth and Biochemical Profile of Hedypnois cretica and Plantago coronopus Plants in Relation to the Cropping System and Growth Environment
Effect of Salinity on the Growth and Biochemical Profile of Hedypnois cretica and Plantago coronopus Plants in Relation to the Cropping System and Growth Environment Open
The aim of the present work is to study the impact of salinity (i.e., 2 dS/m without addition of NaCl (control); 5 dS/m (EC-5); and 10 dS/m (EC-10) with the addition of 30 and 80 mM NaCl, respectively) on yield, organoleptic quality and th…
View article: Response of Portulaca olearacea and its rhizospheric microbiome to the application of slumgum from beekeeping industry transformed with Penicillium chrysogenum
Response of Portulaca olearacea and its rhizospheric microbiome to the application of slumgum from beekeeping industry transformed with Penicillium chrysogenum Open
In the beekeeping industry, “slumgum” is generated as a solid organic waste during the beeswax-rendering process from old scraped honeycombs. This bio-waste could be considered as a novel organic fertilizer due to its high content in organ…
View article: Seed Priming and Biopriming in Two Squash Landraces (Cucurbita maxima Duchesne) from Tunisia: A Sustainable Strategy to Promote Germination and Alleviate Salt Stress
Seed Priming and Biopriming in Two Squash Landraces (Cucurbita maxima Duchesne) from Tunisia: A Sustainable Strategy to Promote Germination and Alleviate Salt Stress Open
In recent years, seed priming has gained interest, with researchers aiming to enhance seed germination and early growth, especially under abiotic stress conditions. In this study, seeds from two squash landraces (Cucurbita maxima Duchesne;…
View article: Response of Purslane Plants Grown under Salinity Stress and Biostimulant Formulations
Response of Purslane Plants Grown under Salinity Stress and Biostimulant Formulations Open
Purslane has been suggested as an alternative crop suitable for human consumption due to its high content of minerals, omega-3 fatty acids, and several health-beneficial compounds. In this study, we aimed to evaluate the effect of salinity…
View article: Biochemical Composition of Pumpkin Seeds and Seed By-Products
Biochemical Composition of Pumpkin Seeds and Seed By-Products Open
The goal of the current work was to assess the nutritional profile and phytochemical properties of cucurbit (Cucurbita maxima L.) seeds, seed oils and oil extraction by-products (e.g., seed-cakes). Our results suggest a high nutritional va…
View article: How Does Domestic Cooking Affect the Biochemical Properties of Wild Edible Greens of the Asteraceae Family?
How Does Domestic Cooking Affect the Biochemical Properties of Wild Edible Greens of the Asteraceae Family? Open
Wild edible greens are a key ingredient of the so-called Mediterranean diet and they are commonly used in various local dishes in their raw or processed form. Domestic processing of edible greens may affect their nutritional value and chem…
View article: Editorial for the Special Issue on Plant Biostimulants in Sustainable Horticulture and Agriculture: Development, Function, and Applications
Editorial for the Special Issue on Plant Biostimulants in Sustainable Horticulture and Agriculture: Development, Function, and Applications Open
The growing need for food production through sustainable cultivation practices, without reducing crop yield and producer income, is a major objective due to increased environmental pollution and the gradual degradation of cultivated soils …
View article: Effect of Different Seasons and Development Stages on the Chemical Composition and Bioactive Potential of Cardoon
Effect of Different Seasons and Development Stages on the Chemical Composition and Bioactive Potential of Cardoon Open
Cynara cardunculus L. (cardoon) is a wild species of the Mediterranean basin and is highly appreciated due to its rich nutritional value and versatile industrial applications. It is widely known that environmental conditions, such as air t…
View article: The Mitigating Effects of Biostimulant Amendments on the Response of Purslane Plants Grown under Drought Stress Conditions
The Mitigating Effects of Biostimulant Amendments on the Response of Purslane Plants Grown under Drought Stress Conditions Open
Portulaca oleracea L. is a wild edible plant with high potential for exploitation in commercial cropping systems due to its nutritional value and great adaptability to abiotic stress conditions. The present study aimed to investigate the r…
View article: Bioactive Properties and Chemical Composition of Wild Edible Species
Bioactive Properties and Chemical Composition of Wild Edible Species Open
Wild edible species are usually collected from the wild, and they have been included in the human diet beyond the advent of agriculture, as confirmed by several ethnobotanical surveys [...]
View article: Response of Portulaca olearacea and its rhizospheric microbiome to the application of slumgum from beekeeping industry transformed with Penicillium chrysogenum
Response of Portulaca olearacea and its rhizospheric microbiome to the application of slumgum from beekeeping industry transformed with Penicillium chrysogenum Open
In the beekeeping industry, “slumgum” is generated as a solid organic waste during the beeswax-rendering process from old scraped honeycombs. This bio-waste could be considered as a novel organic fertilizer due to its high content in organ…
View article: Novel cold and thermally pasteurized cardoon-enriched functional smoothie formulations: A zero-waste manufacturing approach
Novel cold and thermally pasteurized cardoon-enriched functional smoothie formulations: A zero-waste manufacturing approach Open
This study investigated the potential of incorporating cardoon ( Cynara cardunculus L.) blades as bioactive and dietary fiber ingredients in vegetable/fruit-based smoothies, within a zero-waste approach. The smoothie formulations were past…
View article: Reduced application of a plant growth regulator may increase yield and added net return of processing tomato in mediterranean climate conditions
Reduced application of a plant growth regulator may increase yield and added net return of processing tomato in mediterranean climate conditions Open
Among the most valuable horticultural produce, tomato is cultivated for both fresh consumption and processing purposes. Therefore, good agricultural practices secure better production and income for farmers such as the adoption of biostimu…
View article: The Impact of Deficit Irrigation on the Agronomic Performance and Chemical Composition of Scolymus hispanicus L.
The Impact of Deficit Irrigation on the Agronomic Performance and Chemical Composition of Scolymus hispanicus L. Open
In the current study, the effects of drought stress on the growth and phytochemical profile of Scolymus hispanicus L. (a.k.a. golden thistle) were evaluated. Plants were treated with three irrigation regimes, e.g., plants that received onl…
View article: Review of: "Tomatoes Unveiled: A Comprehensive Exploration from Cultivation to Culinary and Nutritional Significance"
Review of: "Tomatoes Unveiled: A Comprehensive Exploration from Cultivation to Culinary and Nutritional Significance" Open