ArticleScientific reports2026
Response of three bell pepper cultivars to different nutrient solutions in NFT hydroponic system.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Optimizing hydroponic bell pepper (Capsicum annuum L.) production requires tailored nutrient solutions, as cultivar needs and climate conditions vary. This study therefore evaluated three globally-used nutrient solutions on three popular cultivars ('Nirvin', 'Aranko', and 'Taranto') under Iran specific climate, in a nutrient film technique (NFT) hydroponic system. The nutrient solutions tested were the standard Hoagland solution (control), the Netherlands nutrient solution, and the USDA-recommended solution. A factorial experiment based on a completely randomized design with three replications was conducted to assess growth, physiological traits, yield, and fruit quality parameters. Results showed that both cultivar type and nutrient solution significantly affected vegetative growth, reproductive traits, photosynthetic pigments, and fruit quality. 'Aranko' generally exhibited higher biomass accumulation (30.98% SDM) and leaf area (32.17%), especially when grown with the USDA solution, which also enhanced number of fruit (81.96%) and fruit mass (6.5%) compared to Hoagland solution. 'Nirvin' showed the highest leaf relative chlorophyll content (SPAD) and chlorophyll b content, particularly under the Hoagland solution. 'Taranto' demonstrated the highest photosynthetic efficiency across all nutrient solutions. The Netherlands and USDA solutions improved dry biomass and carotenoid content compared to the control. Photosynthetic parameters such as F
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