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Search Results (523)

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Keywords = strawberry production

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21 pages, 1039 KiB  
Article
Unveiling the Nutritional Quality of the Sicilian Strawberry Tree (Arbutus unedo L.), a Neglected Fruit Species
by Federica Litrenta, Vincenzo Nava, Ambrogina Albergamo, Angela Giorgia Potortì, Roberto Sturniolo, Vincenzo Lo Turco and Giuseppa Di Bella
Foods 2025, 14(15), 2734; https://doi.org/10.3390/foods14152734 - 5 Aug 2025
Abstract
Although the strawberry tree (A. unedo L.) has been long considered a neglected species of the Mediterranean maquis, the valorization of its fruit production may enhance its socioeconomic value, especially in rural areas. In this study, strawberry trees from different Sicilian sites [...] Read more.
Although the strawberry tree (A. unedo L.) has been long considered a neglected species of the Mediterranean maquis, the valorization of its fruit production may enhance its socioeconomic value, especially in rural areas. In this study, strawberry trees from different Sicilian sites were investigated in terms of macronutrients, fatty acid (FA) composition, tocopherols, total phenols, carotenoids, and minerals. Sicilian berries were a good source of carbohydrates (mainly fructose, glucose and sucrose) and dietary fiber. They were low in fat; however, the FA composition revealed the abundance of unsaturated FAs over saturated FAs and an advantageous n-6/n-3 ratio. Additionally, Sicilian berries showed an inversed linoleic/α-linolenic acid ratio with respect to berries from other Mediterranean regions, that had previously investigated in literature. This evidence suggests that this ratio may have a chemotaxonomic relevance. Considering antioxidants, the fruits had levels of tocopherols, particularly α-tocopherol, total phenols and carotenoids similar to those of certain commercial fruits. Precious amounts of minerals, such as Ca, K, Zn and Fe were also determined. Interestingly, berries harvested near a Sicilian volcanic area had higher levels of minerals, as well as tocopherols, phenols and carotenoids, than fruits from other Sicilian sites, thereby advancing the hypothesis that fruits from volcanic areas may have a superior nutritional value. Overall, data from this study elaborated by a proper statistical analysis revealed that the geographical origin was a relevant variable to consider in the reliable study of this fruit species. Full article
(This article belongs to the Special Issue The Health Benefits of Fruits and Vegetables—3rd Edition)
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21 pages, 1369 KiB  
Article
Optimizing Cold Food Supply Chains for Enhanced Food Availability Under Climate Variability
by David Hernandez-Cuellar, Krystel K. Castillo-Villar and Fernando Rey Castillo-Villar
Foods 2025, 14(15), 2725; https://doi.org/10.3390/foods14152725 - 4 Aug 2025
Viewed by 27
Abstract
Produce supply chains play a critical role in ensuring fruits and vegetables reach consumers efficiently, affordably, and at optimal freshness. In recent decades, hub-and-spoke network models have emerged as valuable tools for optimizing sustainable cold food supply chains. Traditional optimization efforts typically focus [...] Read more.
Produce supply chains play a critical role in ensuring fruits and vegetables reach consumers efficiently, affordably, and at optimal freshness. In recent decades, hub-and-spoke network models have emerged as valuable tools for optimizing sustainable cold food supply chains. Traditional optimization efforts typically focus on removing inefficiencies, minimizing lead times, refining inventory management, strengthening supplier relationships, and leveraging technological advancements for better visibility and control. However, the majority of models rely on deterministic approaches that overlook the inherent uncertainties of crop yields, which are further intensified by climate variability. Rising atmospheric CO2 concentrations, along with shifting temperature patterns and extreme weather events, have a substantial effect on crop productivity and availability. Such uncertainties can prompt distributors to seek alternative sources, increasing costs due to supply chain reconfiguration. This research introduces a stochastic hub-and-spoke network optimization model specifically designed to minimize transportation expenses by determining optimal distribution routes that explicitly account for climate variability effects on crop yields. A use case involving a cold food supply chain (CFSC) was carried out using several weather scenarios based on climate models and real soil data for California. Strawberries were selected as a representative crop, given California’s leading role in strawberry production. Simulation results show that scenarios characterized by increased rainfall during growing seasons result in increased yields, allowing distributors to reduce transportation costs by sourcing from nearby farms. Conversely, scenarios with reduced rainfall and lower yields require sourcing from more distant locations, thereby increasing transportation costs. Nonetheless, supply chain configurations may vary depending on the choice of climate models or weather prediction sources, highlighting the importance of regularly updating scenario inputs to ensure robust planning. This tool aids decision-making by planning climate-resilient supply chains, enhancing preparedness and responsiveness to future climate-related disruptions. Full article
(This article belongs to the Special Issue Climate Change and Emerging Food Safety Challenges)
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17 pages, 1448 KiB  
Article
Nursery Propagation Systems for High-Quality Strawberry (Fragaria × ananassa Duch.) Plug Plant Production from Micropropagated, Soilless-Grown Mother Plants
by Valentina Morresi, Franco Capocasa, Francesca Balducci, Jacopo Diamanti and Bruno Mezzetti
Horticulturae 2025, 11(8), 888; https://doi.org/10.3390/horticulturae11080888 (registering DOI) - 1 Aug 2025
Viewed by 224
Abstract
The commercial propagation of strawberries is increasingly constrained by the incidence of both established and emerging soilborne pathogens, particularly under soil cultivation systems. Micropropagation represents an effective strategy to ensure the production of virus-free, true-to-type mother plants suitable for high-efficiency propagation. In this [...] Read more.
The commercial propagation of strawberries is increasingly constrained by the incidence of both established and emerging soilborne pathogens, particularly under soil cultivation systems. Micropropagation represents an effective strategy to ensure the production of virus-free, true-to-type mother plants suitable for high-efficiency propagation. In this study, micropropagated mother plants of four short-day cultivars (‘Francesca’, ‘Silvia’, ‘Lauretta’, and ‘Dina’) and one ever-bearing advanced selection (‘AN12,13,58’) were cultivated under a controlled soilless system. Quantitative parameters including number of runners per plant, runner length, and number of tips per runner and per plant were assessed to evaluate propagation performance. Micropropagated mother plants exhibited a significantly higher stoloniferous potential compared to in vivo-derived mother plants (frigo plants type A), with the latter producing approximately 50% fewer propagules. Rooted tips of ‘Dina’ were further assessed under different fertigation regimes. The NPK 20–20–20 nutrient solution enhanced photosynthetic activity and shoot and root biomass (length, diameter, and volume via WinRHIZO analysis). These results confirm the suitability of micropropagated mother plants grown in soilless conditions for efficient, high-quality clonal propagation and support the integration of such systems into certified nursery production schemes. Full article
(This article belongs to the Section Propagation and Seeds)
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13 pages, 2039 KiB  
Article
Establishment of Singleplex and Duplex TaqMan RT-qPCR Detection Systems for Strawberry Mottle Virus (SMoV) and Strawberry Vein Banding Virus (SVBV)
by Tengfei Xu, Dehang Gao, Mengmeng Wu, Hongqing Wang and Chengyong He
Plants 2025, 14(15), 2330; https://doi.org/10.3390/plants14152330 - 27 Jul 2025
Viewed by 308
Abstract
SMoV and SVBV are two major viruses that pose significant threats to the global strawberry industry. Both are latent viruses, making early detection difficult due to their uneven distribution and low concentration in host tissues. Traditional RT-PCR techniques are insufficient for precise and [...] Read more.
SMoV and SVBV are two major viruses that pose significant threats to the global strawberry industry. Both are latent viruses, making early detection difficult due to their uneven distribution and low concentration in host tissues. Traditional RT-PCR techniques are insufficient for precise and quantitative detection. In this study, TaqMan RT-qPCR detection systems for SMoV and SVBV were established for application in practical production settings, enabling accurate, rapid, and efficient detection of strawberry viruses. When viral accumulation in plants is low, the highly sensitive TaqMan RT-qPCR technique allows for accurate quantification, facilitating the early identification of infected plants and preventing large-scale outbreaks in cultivation areas. The development of a duplex TaqMan RT-qPCR assay enables simultaneous quantification of SMoV and SVBV in a single reaction, improving detection efficiency and providing technical support for risk assessment and effective control of strawberry viral diseases. Full article
(This article belongs to the Section Plant Molecular Biology)
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12 pages, 1595 KiB  
Article
Vermicompost Tea in the Production, Gas Exchange and Quality of Strawberry Fruits
by Gabriel Lobo de Mendonça, Jader Galba Busato, Ernandes Rodrigues de Alencar and Alessandra Monteiro de Paula
Agriculture 2025, 15(15), 1607; https://doi.org/10.3390/agriculture15151607 - 25 Jul 2025
Viewed by 270
Abstract
The water-soluble extract from vermicompost, also known as vermicompost tea (VT), has attracted interest in sustainable production research due to its potential to increase crop yields. However, information regarding the influence of this bioinput on strawberry cultivation remains limited. This study aimed to [...] Read more.
The water-soluble extract from vermicompost, also known as vermicompost tea (VT), has attracted interest in sustainable production research due to its potential to increase crop yields. However, information regarding the influence of this bioinput on strawberry cultivation remains limited. This study aimed to evaluate the effects of different VT solution concentrations on the mass fruit, physiology, and fruit quality of the hybrid strawberry cultivar ‘Portola’. The experiment was conducted in a greenhouse, with foliar and substrate applications of VT solutions at varying concentrations (0%, 2%, 4%, 6% and 8%) over 150 days. Evaluations included the chemical composition of the VT, as well as the physiological and agronomic parameters of the strawberry plants, such as gas exchange, biometric data, the physicochemical quality of the fruit and the nutritional composition. Significant differences in gas exchange parameters, particularly intercellular CO2 concentration and stomatal conductance, were observed at the final growth stage. Of the quality and compositional parameters of the strawberries, only the soluble solids/titratable acidity (SS/TA) ratio was affected. The various VT dilutions induced physiological alterations in the strawberry plants, with energy being allocated towards mass fruit at the expense of fruit quality, specifically in terms of the SS/TA ratio. Full article
(This article belongs to the Special Issue Vermicompost in Sustainable Crop Production—2nd Edition)
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8 pages, 263 KiB  
Communication
Stomatal Blocker Delays Strawberry Production
by Jie Xiang, Laura Vickers, James M. Monaghan and Peter Kettlewell
Int. J. Plant Biol. 2025, 16(3), 80; https://doi.org/10.3390/ijpb16030080 - 19 Jul 2025
Viewed by 170
Abstract
Strawberries have a short shelf-life leading to food loss and waste when production unexpectedly exceeds demand. PGRs may have potential to delay production and reduce food loss and waste, but no PGRs are available for delaying strawberry production. The aim of this preliminary [...] Read more.
Strawberries have a short shelf-life leading to food loss and waste when production unexpectedly exceeds demand. PGRs may have potential to delay production and reduce food loss and waste, but no PGRs are available for delaying strawberry production. The aim of this preliminary study was to investigate re-purposing a stomatal blocking film antitranspirant polymer as a PGR to temporarily delay production. Poly-1-p-menthene or water was applied during early fruit ripening in two glasshouse experiments, one on a June-bearer cultivar and one on an everbearer cultivar. Ripe strawberries were harvested during the next 23 days, the cumulative yield was recorded, and the production curves were fitted using polynomial regression in groups. The statistical analysis showed that cubic polynomial regression curves could be fitted separately to each treatment. Application of the blocker delayed the production of both cultivars by 1–2 days during the period of rapid berry production. The delay diminished and cumulative yield returned to the water-treated value by 13 and 18 days after application in the June-bearer and everbearer cultivars, respectively. At 23 days after application, the blocker gave 8% greater cumulative yield in the June-bearer, but not in the everbearer. It was concluded that, if a greater delay could be achieved, there may be potential to use stomatal blockers as PGRs in some cultivars of strawberry to delay production and reduce food loss and waste when unanticipated lower demand occurs. Full article
(This article belongs to the Section Plant Physiology)
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14 pages, 1091 KiB  
Review
Gamma-Aminobutyric Acid: A Novel Biomolecule to Improve Plant Resistance and Fruit Quality
by Jingrong Wang, Shaokun Sun, Wei Fang, Xin Fu, Fuguo Cao and Shujun Liu
Plants 2025, 14(14), 2162; https://doi.org/10.3390/plants14142162 - 13 Jul 2025
Viewed by 503
Abstract
Gamma-aminobutyric acid (GABA), a ubiquitous non-protein amino acid, plays a vital role in the response of plants to biotic and abiotic stresses. This review summarizes the underlying mechanisms through which GABA contributes to plant stress resistance, including its biosynthetic and metabolic pathways, as [...] Read more.
Gamma-aminobutyric acid (GABA), a ubiquitous non-protein amino acid, plays a vital role in the response of plants to biotic and abiotic stresses. This review summarizes the underlying mechanisms through which GABA contributes to plant stress resistance, including its biosynthetic and metabolic pathways, as well as its regulatory roles in enhancing stress tolerance and improving fruit quality. In plants, GABA is primarily synthesized from glutamate by the enzyme glutamate decarboxylase (GAD) and further metabolized by GABA transaminase (GABA-T) and succinic semialdehyde dehydrogenase (SSADH). The accumulation of GABA regulates various physiological and biochemical processes, including the control of stomatal closure, enhancement of antioxidant capacity, maintenance of ionic homeostasis, and stabilization of cellular pH. Moreover, GABA interacts with phytohormones to regulate plant growth, development, and stress tolerance. Notably, increasing GAD expression through genetic engineering has been shown to enhance tolerance to stresses, such as drought, saline-alkali, cold, and heat, in various plants, including tomato, rice, and creeping bentgrass. Additionally, GABA has effectively improved the storage quality of various fruits, including citrus fruits, apples, and strawberries. In conclusion, GABA holds significant research potential and promising applications in agricultural production and plant science. Full article
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18 pages, 2307 KiB  
Article
In Vitro Sensitivity of Isolates of Neopestalotiopsis rosae, Causal Agent of Strawberry Crown Rot, to Usnic Acid
by Laura Castro-Rosalez, Antonio Juárez-Maldonado, Adalberto Benavides-Mendoza, Susana González-Morales, Elizabeth García-León, Angel Rebollar-Alviter and Fabián Pérez-Labrada
Horticulturae 2025, 11(7), 812; https://doi.org/10.3390/horticulturae11070812 - 9 Jul 2025
Viewed by 353
Abstract
Root and crown rot in strawberries caused by Neopestalotiopsis rosae (N. rosae) results in yield losses of approximately 70%. The main method of control is based on the application of fungicides; however, the excessive use of these products can induce resistance [...] Read more.
Root and crown rot in strawberries caused by Neopestalotiopsis rosae (N. rosae) results in yield losses of approximately 70%. The main method of control is based on the application of fungicides; however, the excessive use of these products can induce resistance by pathogens to the active ingredients. The use of secondary metabolites is an alternative to disease management. Usnic acid (UA), a secondary metabolite produced by lichens, has shown antimicrobial and antifungal activities that could be useful for the management of phytopathogens, particularly the (+) enantiomer. To provide alternatives to fungicides, the potential of UA as an alternative for N. rosae management was evaluated under in vitro and in vivo conditions. Using the “poisoned medium” technique, concentrations of 0 (UA0), 100 (UA1), 200 (UA2), and 400 (UA4) µg/mL UA at a dose of 2.5 mL/L PDA were evaluated on N. rosae mycelial growth and the number of spores. The UA at 400 µg/mL exhibited a fungistatic effect, reducing the mycelial growth of isolates of N. rosae in 50–60%. In the in vivo assay, sprayed UA (400 µg/mL) reduced hydrogen peroxide (48.59%) and malonaldehyde (77.62%) contents in “Albion” strawberry seedlings inoculated with 466 and FREC2 strains, respectively. These findings suggest that UA could be a potential tool for N. rosae management and could help mitigate the oxidative stress induced by infection. However, field trials are required to evaluate and validate this response. Full article
(This article belongs to the Special Issue Sustainable Management of Pathogens in Horticultural Crops)
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31 pages, 3799 KiB  
Article
Pesticide Surveillance in Fruits and Vegetables from Romanian Supply: A Data-Driven Approach
by Diana Ionela Popescu (Stegarus), Ana-Maria Nasture, Violeta-Carolina Niculescu, Corina Mihaela Oprita (Cioara) and Nicoleta Anca Șuțan (Ionescu)
J. Xenobiot. 2025, 15(4), 104; https://doi.org/10.3390/jox15040104 - 2 Jul 2025
Viewed by 723
Abstract
The evolution of global agriculture encourages the extensive use of pesticides although significant concerns regarding their impact on human health and the environment must be considered. The present paper highlights the presence and concentrations of various pesticide residues in fruits and vegetables available [...] Read more.
The evolution of global agriculture encourages the extensive use of pesticides although significant concerns regarding their impact on human health and the environment must be considered. The present paper highlights the presence and concentrations of various pesticide residues in fruits and vegetables available on Romanian markets. A total of 74 pesticide compounds authorized for agricultural use were identified and quantified in 620 randomly selected samples spanning a wide range of horticultural products by employing the QuEChERS extraction method and liquid chromatography–mass spectrometry (LC-MS/MS). The most often detected pesticides comprised boscalid and azoxystrobin, present in 42% and 37% of apple and strawberry samples, respectively, with mean concentrations of 0.12 mg/kg and 0.09 mg/kg. In cucumbers and tomatoes, difenoconazole and acetamiprid were predominant, detected in 35% and 40% of samples, with average residue amounts of 0.08 mg/kg and 0.07 mg/kg, respectively. Statistical analysis, achieved with Python 3.13.2, the pandas library (alongside descriptive statistics), and ANOVA, revealed significant variations in residue levels based on the product type and geographic origin. Boscalid and azoxystrobin were commonly encountered in apples and strawberries while difenoconazole and acetamiprid predominated in cucumbers and tomatoes. Even though the majority of pesticide residues conformed to EU maximum residue limits (MRLs), about 6% of samples, generally from imported products, displayed some residue concentrations approaching critical thresholds, with the highest exceedance observed for chlorpyrifos and lambda-cyhalothrin at concentrations of up to 0.25 mg/kg. This research provides a comprehensive overview of pesticide residues prevalence in Romania’s fresh product supply while, at the same time, supporting consumer awareness initiatives and evidencing the critical demand for continuous monitoring and strengthened regulatory frameworks for food safety. Full article
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22 pages, 1377 KiB  
Article
Formulation of Black Soybean Yogurt and Evaluation of Changes in the Bioactive Profile and Other Compositional Aspects During Fermentation and Storage
by Thiana Claudia Freire Esteves, Ilana Felberg, Adriana Farah, Adelia Ferreira de Faria-Machado, Eduardo Henrique Miranda Walter, Manuela Cristina Pessanha de Araujo Santiago, Sidney Pacheco, Rosemar Antoniassi, Rosires Deliza, Mercedes Concórdia Carrão-Panizzi and Veronica Calado
Beverages 2025, 11(4), 103; https://doi.org/10.3390/beverages11040103 - 2 Jul 2025
Viewed by 668
Abstract
Black soybean is known for its antioxidant and anti-inflammatory properties that help prevent several degenerative diseases, but in the Western diet, it is poorly used, despite the interest in foods rich in bioactive compounds. This study aimed to formulate a black soybean yogurt [...] Read more.
Black soybean is known for its antioxidant and anti-inflammatory properties that help prevent several degenerative diseases, but in the Western diet, it is poorly used, despite the interest in foods rich in bioactive compounds. This study aimed to formulate a black soybean yogurt (BSY) fermented by a probiotic culture of L. acidophilus and evaluate the nutritional and bioactive profiles, the total antioxidant capacity, and complementary parameters during fermentation and storage for one month. We also evaluated the potential for acceptance by Rio de Janeiro consumers (n = 103). The final BSY water content was 92.8%. The dry matter contained 50.2% protein, 20.1% lipid, 5.9% ashes, 23.8% carbohydrates, and other constituents, including 1% sucrose, 5.9% α-galactosides, 26.9 mg/100 g anthocyanins (mainly cyanidin-3-glucoside), 140.5mg/100 g isoflavones (mainly genistin and daidzin). Titratable acidity was 0.44% and pH 4.5. In the sensory test, 12% sucrose and fruit extracts (strawberry, prune, and grape) were added individually to the product to evaluate the acceptability. The sweetened strawberry extract offered the highest acceptability, with a 7.6 score in a nine-point hedonic scale, against a 5.6 of the sweetened control with no fruit extract. Furthermore, all products scored well in the clusters with assessors who consumed soy products often and daily (total n = 26), with the strawberry-flavored one scoring, on average, 8 or 9. One month storage at 8 ± 2 °C caused a 22% decrease in the anthocyanins content and no significant change in isoflavones, titratable acidity, and pH. Fermentation and the addition of a sweetened fruit extract proved to be promising tools to increase the consumption of black soy milk in the West. Full article
(This article belongs to the Special Issue Recent Research in Plant-Based Drinks)
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16 pages, 2289 KiB  
Article
Yield and Quality of New Strawberry Advanced Breeding Selections and Commercial Cultivars, Grown Under Warm-Temperate Climatic Conditions
by Gessica Altieri, Daniele Curcio, Alessandra Lepore, Elèna Grobler, Angela Maffia, Nicola Gargano, Antonio Tedesco, Maria Luisa Graziano, Pierluigi Mazzei, Franco Capocasa, Bruno Mezzetti and Giuseppe Celano
Agriculture 2025, 15(13), 1406; https://doi.org/10.3390/agriculture15131406 - 30 Jun 2025
Viewed by 618
Abstract
Climate change challenges existing strawberry cultivars, requiring adaptation and the introduction of new varieties better suited to new climate conditions. This research evaluated the response over time of new advanced breeding selections (AN15,07,53, AN16,53,54 and AN12,44,60) derived from intraspecific crosses, proposed for the [...] Read more.
Climate change challenges existing strawberry cultivars, requiring adaptation and the introduction of new varieties better suited to new climate conditions. This research evaluated the response over time of new advanced breeding selections (AN15,07,53, AN16,53,54 and AN12,44,60) derived from intraspecific crosses, proposed for the Mediterranean environment and organic greenhouse cultivation, by comparing plant yield and fruit quality at each harvest stage against five commercial strawberry cultivars (Dina, Arwen, Melissa, Marimbella, and Elide). Results showed that Dina, AN15,07,53, and AN16,53,54 had higher levels of soluble sugars, organic acids, and anthocyanins than the other cultivars evaluated. In addition, AN16,53,54 showed anticipated peak production and plant yield similar to that of commercial cultivars. Elide showed on average the highest total yield (632 g plant−1), while Dina, AN15,07,53 and AN12,44,60 showed lower yields. The lowest and highest percentages of discarded fruits were recorded in Arwen (10%) and AN 12,44,60 (27.7%), respectively. Two genotypes, AN16,53,54 and AN15,07,53 are susceptible to further evaluation; AN16,53,54 showed appropriate features for organic systems management. An important feature related to the environmental conditions of the Mediterranean area is the precocity of production, combined with good quality properties. The genotype AN15,07,53 derived from two parents with high and low chilling requirements, would need to be evaluated for its performance under very different climatic conditions. Full article
(This article belongs to the Section Crop Production)
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15 pages, 280 KiB  
Article
Impact of Cherries, Strawberries, Bilberries, and Cornelian Cherry Addition on the Antioxidant Activity of Yogurt
by Patrycja Gazda, Paweł Glibowski, Paulina Kęska and Bożena Sosnowska
Appl. Sci. 2025, 15(13), 7270; https://doi.org/10.3390/app15137270 - 27 Jun 2025
Viewed by 267
Abstract
Increasing awareness of the negative health effects associated with high sugar intake has led to a growing demand for reducing added sugar in food products. In this study, the antioxidant properties of commercial yogurts containing pasteurized fruits were evaluated and compared with natural [...] Read more.
Increasing awareness of the negative health effects associated with high sugar intake has led to a growing demand for reducing added sugar in food products. In this study, the antioxidant properties of commercial yogurts containing pasteurized fruits were evaluated and compared with natural yogurts freshly enriched with 3–20% thawed fruits (bilberries, cherries and strawberries). Additionally, yogurts enriched with cornelian cherry were analyzed. Antioxidant activity was assessed using the ABTS and DPPH methods, along with measurements of total polyphenol content and reducing power. The effect of fruit addition on the number of yogurt bacteria was also investigated. The results showed that the addition of fruits significantly increased the yogurts’ ability to neutralize free radicals, attributed to the presence of natural antioxidants and polyphenols. The addition of fruits helped maintain the vitality of lactic acid bacteria, with bacterial counts remaining well above the minimum threshold of 107 cfu/g. The findings demonstrated that cornelian cherry has great potential as a source of polyphenols with antioxidant properties. These results confirm the high nutritional value of yogurts enriched with thawed fruit, which may serve as a valuable component of a healthy diet and a healthier alternative to sweetened yogurts commonly available in stores. Full article
15 pages, 5435 KiB  
Article
Resistance of Alternaria spp. Causing Strawberry Black Spot to Boscalid in China
by Tao Li, Wenbin Yu, Ji Feng, Chengxin Mao, Hong Yu, Aichun Liu and Chuanqing Zhang
Plants 2025, 14(13), 1941; https://doi.org/10.3390/plants14131941 - 24 Jun 2025
Viewed by 483
Abstract
Strawberry black spot, caused by Alternaria spp., is an emerging disease that threatens both leaves and fruits during strawberry growth and postharvest storage. This study investigated the boscalid sensitivity of 49 Alternaria isolates collected from symptomatic strawberry leaves. Boscalid has been widely used [...] Read more.
Strawberry black spot, caused by Alternaria spp., is an emerging disease that threatens both leaves and fruits during strawberry growth and postharvest storage. This study investigated the boscalid sensitivity of 49 Alternaria isolates collected from symptomatic strawberry leaves. Boscalid has been widely used to control diseases in strawberry in China for several years. The EC50 values for the tested isolates ranged from 0.0884 to 266.3289 µg/mL, indicating that most isolates exhibited varying levels of resistance to boscalid based on resistance ratio values. A substitution of SDHC-H134R was detected from most high-resistance isolates. Fitness cost assessment revealed that highly resistant isolates had a reduced conidial germination rate; however, their mycelial growth and conidia production were increased. No significant virulence deficiency was observed, suggesting low fitness cost in resistant isolates. Furthermore, the highly resistant isolates exhibited positive cross-resistance to fluopyram and fluxapyroxad. Molecular docking analysis revealed that the SDHC-H134R mutation reduced the binding affinity between boscalid and mitochondrial complex II. These findings suggest that resistance management strategies, such as fungicide rotation or combinations of fungicides with different action modes, should be implemented to control strawberry diseases, minimizing the development of fungicide resistance and improving overall disease control efficacy. Full article
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14 pages, 1164 KiB  
Article
Alternative Plant Protection Strategies Using Bacteria and Thyme to Improve Strawberry (cv. Elsanta) Yield and Quality
by Neringa Rasiukevičiūtė, Armina Morkeliūnė, Ingrida Mažeikienė, Juozas Lanauskas and Alma Valiuškaitė
Plants 2025, 14(12), 1827; https://doi.org/10.3390/plants14121827 - 14 Jun 2025
Cited by 1 | Viewed by 450
Abstract
Alternative plant protection methods should be promoted to mitigate the dangers and consequences of using chemical pesticides, ensuring a safe environment and protecting human health (Directive 2009/128/EC). One of the objectives of the EU organic production action plan is to provide substitutes for [...] Read more.
Alternative plant protection methods should be promoted to mitigate the dangers and consequences of using chemical pesticides, ensuring a safe environment and protecting human health (Directive 2009/128/EC). One of the objectives of the EU organic production action plan is to provide substitutes for plant protection methods, decrease the adverse effects on the environment, and promote the diversity of living organisms. The use of synthetic and non-organic chemicals has significantly expanded, damaging human health and the environment. This study aimed to evaluate alternative plant protection solutions for the improvement of the strawberry cv. Elsanta plant’s generative development, yield, fruit quality, and biochemical composition. The two-year strawberry experiment conducted in a tunnel greenhouse included chemical and biological means (Bacteria and Thyme preparations). The experiment randomised a block design with four replicates and 32 plants per replicate. The treatments were conducted at the 10% flowering state (BBCH 61–65), every 7–10 days (a total of four times): (1) Control, (2) Chemical, (3) Bacteria, and (4) Thyme. We evaluated the yield, fruit weight, size, number of leaves, crowns, flowers, inflorescences, fruit firmness, soluble solids, and Vitamin C. The highest fruit weight at the first picking was in the Bacteria treatment. The number of rotten fruits was similar after all treatments. Additionally, they were firmer and bigger in size but had a smaller soluble solids content. The strawberry ascorbic acid and soluble solids content (Brix %) showed significant variation. The highest ascorbic acid concentration in the fruit was after the Thyme application (45.06%). Our study showed that alternative plant protection measures can reduce the use of chemical fungicides and maintain proper fruit quality. Full article
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19 pages, 285 KiB  
Article
Fruit Consumption Habits and Apple Preferences of University Students in Poland
by Paweł Kraciński, Paulina Stolarczyk, Weronika Czerwińska and Bożena Nosecka
Foods 2025, 14(12), 2073; https://doi.org/10.3390/foods14122073 - 12 Jun 2025
Viewed by 1234
Abstract
The aim of this study was to investigate the preferences of young adults in the Polish apple market in response to the declining consumption of these fruits. To address the research questions, a study was conducted among young adults using a custom-designed online [...] Read more.
The aim of this study was to investigate the preferences of young adults in the Polish apple market in response to the declining consumption of these fruits. To address the research questions, a study was conducted among young adults using a custom-designed online questionnaire. The research sample consisted of 729 participants. The data were analyzed using ANOVA, and due to the nature of the data, Wilcoxon tests were also employed to examine differences. The most frequently purchased fruits among young adults were bananas and apples; however, strawberries and raspberries were the most favored. The most preferred apple cultivars were bicolored (e.g., Jonagored) and red (e.g., Gala Royal), while yellow cultivars (e.g., Golden Delicious) were perceived as the least attractive. Young consumers favored apples that were juicy, firm, and moderately sweet. This study demonstrated that the skin color of an apple was associated with expectations regarding its firmness and sweetness. Apples with intense coloration (dark red and green) received the highest valuations, particularly when organically grown. In contrast, apples from conventional production systems were valued below their market price by young consumers, indicating the need for strategies aimed at enhancing their perceived value. Full article
(This article belongs to the Section Sensory and Consumer Sciences)
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