Fertilization of Pot-Grown Cichorium spinosum L.: How It Can Affect Plant Growth, Chemical Profile, and Bioactivities of Edible Parts?

Polyzos, Nikolaos; Paschoalinotto, Beatriz H.; Compocholi, Maria; Pinela, José; Heleno, Sandrina A.; Calhelha, Ricardo C.; Días, María Inês; Barros, Lillian; Petropoulos, Spyridon Α.

doi:10.3390/horticulturae8100890

Cited by 6 publications

(15 citation statements)

References 66 publications

(104 reference statements)

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“…Our results indicate that apart from the increased amounts of nitrogen, the application of nutrient solution with balanced composition in P and K had a beneficial effect on fresh biomass yield, whereas excessive amount of macronutrients resulted in fresh yields similar to the untreated plants due to reduction in leaves number. These findings corroborate the aspect of minimum nutrients requirements for wild edible species, especially for the case of P and K, which were also confirmed by Polyzos et al [39] in Cichorium spinosum cultivation. Moreover, Papadimitriou et al [60] suggested that a high ratio of N:K (e.g., 2.38 mol/mol) in nutrient solution resulted in increased yields of leaves and roots in hydroponically grown Scolymus hispanicus compared to lower ratios (e.g., 1.59 mol/mol).…”

Section: Resultssupporting

confidence: 90%

“…Mean air temperature throughout the experimental period was as follows: October, 16.4 [61]. The tested fertigation treatments have already been described in detail in a similar study by our team regarding the commercial cultivation of Cichorium spinosum [39,52]. In brief, the applied treatments differed in the amounts of N:P:K, e.g., 100:100:100 (SH1), 200:100:100 (SH2), 200:200:200 (SH3), 300:100:100 (SH4), 300:200:200 (SH5) and 300:300:300 ppm (SH6) of N:P:K, as well as the control treatment without the addition of fertilizers (SHC).…”

Section: Plant Materials and Growing Conditionsmentioning

confidence: 99%

“…Stock solutions were prepared with Atlas 20 -20-20 (4.8% ammonium N, 5.0% nitric N, 10.2% ureic N; 20% P2O5; 20% K2O)+ TE (trace elements) fertilizer (Gavriel; S.A., Volos, Greece) for the preparation of 100:100:100 ppm (SH1), 200:200:200 ppm (SH3), and 300:300:300 ppm (SH6), while for the rest of the solutions (200:100:100 ppm (SH2), 300:100:100 ppm (SH4), 300:200:200 ppm (SH5)), the extra amount of nitrogen was achieved with the addition of ammonium nitrate fertilizer (34.5% of N; Gavriel; S.A., Volos, Greece). The control treatment included tap water with no fertilizers added (SHC) [39,52]. The application of treatments was performed manually once or twice per week via the abovementioned solutions, while each treatment included fifteen plants (n = 15) with one plant per pot and 105 plants in total.…”

Section: Plant Materials and Growing Conditionsmentioning

confidence: 99%

“…However, in order to domesticate these species, useful information regarding the best practice guides that farmers should follow in order to achieve high yields and high quality of the final product should be also provided [9,13]. Thus far, various species have been suggested for commercial exploitation in small-scale farming systems of the Mediterranean, including Cichorium spinosum [39][40][41], Portulaca oleracea [42][43][44], Sanguisorba minor [45,46] Crithmum maritimum [47][48][49] and several others [21,31,50,51]. Among the cultivation practices, the fertilization regime has a significant impact on the yield, the chemical composition and bioactive properties, and the optimum fertilization has to be considered for the commercial production of final products with similar quality as the wild counterparts [3,[52][53][54][55].…”

Section: Introductionmentioning

confidence: 99%

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Domestication of Wild Edible Species: The Response of Scolymus hispanicus Plants to Different Fertigation Regimes

et al. 2023

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Scolymus hispanicus L. is a wild edible species with wide distribution in the Mediterranean area. Recent research has focused on the domestication of wild edible greens, which is essential for the preservation of agroecosystems and the increase in biodiversity, especially under the adversely changing climate conditions. In the present work, the aim was to evaluate the response of S. hispanicus plants to different fertilization regimes that varied in the amounts of nitrogen, phosphorus and potassium in regard to plant growth and chemical composition of leaves. For this purpose, plants were grown in pots within an unheated greenhouse. Seven experimental treatments were used, including six fertigation regimes (SH1-SH6) and the control treatment (SHC), where no fertilizers were added. Fresh yield was beneficially affected by the treatments that included a high content of P and K (e.g., SH3 and SH5), while lesser amounts of these macronutrients (e.g., SH1 and SH4) resulted in higher chlorophyll content (SPAD index) and leaf area. In terms of mineral profile, high amounts of P and K improved dietary fiber and carbohydrates content, whereas the untreated plants had the highest content of ash, fat and crude protein. Oxalic and quinic acid were the major organic acids detected, with fertigation regimes significantly reducing their content compared to the control treatment. α-tocopherol was the only isoform of vitamin E detected in all the samples, while glucose and fructose were the most abundant sugars, with their highest content detected in control and SH4 treatments, respectively. Scolymus hispanicus leaves were rich in macro and micro minerals, while their contents varied depending on the fertigation regime. Finally, α-linolenic, palmitic, and linoleic acid were the major fatty acids detected, while their contents were beneficially affected by low nutrient inputs (e.g., untreated plants and SH1 and SH2 treatments). In conclusion, the regulation of nutrient solution seems to be an effective practice to increase fresh yield in S. hispanicus without compromising the nutritional profile of the edible product, while low inputs of macronutrients such as P and K may improve the chemical composition of the species, especially in terms of n-fatty acids.

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Section: Resultssupporting

confidence: 90%

Section: Plant Materials and Growing Conditionsmentioning

confidence: 99%

Section: Plant Materials and Growing Conditionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Domestication of Wild Edible Species: The Response of Scolymus hispanicus Plants to Different Fertigation Regimes

et al. 2023

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“…One week prior to the harvest date, we measured plant height (cm), and photosynthetic rate (µmol CO 2 m −2 s −1 ) at a constant light intensity of 250 µmol cm −2 s −1 using the LI-Cor LI-6400XT Portable Photosynthesis System (LI-Cor, Lincoln, NE, USA)), whereas chlorophyll content (SPAD index) was measured using the OPTI-SCIENCES CCM-200 plus chlorophyll content meter (Opti-sciences, Hudson, NH, USA). Moreover, we measured the leaf area with the use of LI-3100C Area Meter (LI-COR Biosciences; Hellamco S.A., Athens, Greece) (all plant measurements are described in detail by [ 13 , 22 ]. At the end of the experiment, the aerial plant biomass was cut 2 cm above the soil surface and separated into leaves and stems.…”

Section: Methodsmentioning

confidence: 99%

The Response of Purslane (Portulaca oleracea) to Soil-Added Pb: Is It Suitable as a Potential Phytoremediation Species?

Thalassinos

Petropoulos

Antoniadis

2023

Toxics

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Soils with high lead (Pb) levels can be decontaminated with the use of tolerant plants. Their effectiveness may be increased with added soil N due to boosted plant vigor, but such an agronomic practice has not been widely reported so far. In this work, purslane (Portulaca oleracea) was tested in a pot experiment as a potential phytoremediation species using soil spiked with Pb at doses of 0, 150, 300, 600, and 900 mg kg−1 (referred to as Pb(0), Pb(150), Pb(300), Pb(600), and Pb(900), respectively) with added N (referred to as N(1); at 300 kg N ha−1) and without added N (N(0)). We found that added Pb did not cause any adverse effects on plant growth (height, and aerial and root dry biomass) and physiological parameters, which were boosted with added N. Lead plant concentration and uptake significantly increased with added N, a finding that confirms our hypothesis. The number of necessary harvests of purslane in order to reduce soil Pb to half its initial concentration was also calculated and found to decrease with added N, being 131 at Pb(900)N(1). Although results indicate the potential of purslane as a phytoremediation species, further research is needed under real field conditions.

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How Does Domestic Cooking Affect the Biochemical Properties of Wild Edible Greens of the Asteraceae Family?

Liava,

Fernandes,

Reis

et al. 2024

Foods

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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 chemical profile. In this work, six wild species (e.g., Cichorium spinosum L. (S1); Centaurea raphanina subsp. mixta (DC.) Runemark (S2); Picris echioides (L.) Holub (S3); Urospermum picroides (L.) Scop. ex. F.W. Schmidt (S4); Sonchus oleraceus L. (S5); and S. asper L. (S6)) were assessed for the effect of domestic processing (boiling) on chemical composition and bioactivities. Concerning the chemical composition, glucose, oxalic acid, α-tocopherol, and α-linolenic acid were the most abundant compounds, especially in P. echiodes leaves. After decoction, mainly sugars, tocopherols, and oxalic acid were decreased. The species and processing affected the phenolic compounds content and antioxidant, cytotoxicity, and anti-inflammatory activities. Specific compounds were not previously detected in the studied species, while hydroethanolic extracts contained a higher total phenolic compound content. Hydroethanolic and aqueous extracts were effective towards a range of bacterial and fungi strains. Therefore, the consumption of leaves has health-promoting properties owing to the bioactive compounds and can be integrated into healthy diets. However, domestic cooking may affect the chemical profile and bioactivities of the edible leaves, especially in the case of free sugars and phenolic compound content where a significant reduction was recorded in leaves after decoction. On the other hand, domestic processing could be beneficial since it reduces the oxalic acid content in edible leaves, which is considered an antinutritional factor.

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Fertilization of Pot-Grown Cichorium spinosum L.: How It Can Affect Plant Growth, Chemical Profile, and Bioactivities of Edible Parts?

Cited by 6 publications

References 66 publications

Domestication of Wild Edible Species: The Response of Scolymus hispanicus Plants to Different Fertigation Regimes

Domestication of Wild Edible Species: The Response of Scolymus hispanicus Plants to Different Fertigation Regimes

The Response of Purslane (Portulaca oleracea) to Soil-Added Pb: Is It Suitable as a Potential Phytoremediation Species?

How Does Domestic Cooking Affect the Biochemical Properties of Wild Edible Greens of the Asteraceae Family?

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