Horticultural Science - Online first

Short- and long-term effects of elevated CO2 on the growth and nitrogen content of Panax japonicus

Xiao Wang, E Liang, Deyan Li, Xiaohui Song

Hort. Sci. (Prague), X:X | DOI: 10.17221/110/2024-HORTSCI  

Panax japonicus (T. Nees) C.A. Mey is a rare plant that is used in Chinese herbal medicine. Two-year-old Panax japonicus seedlings were grown in open-top chambers under ambient CO2 (aCO2), moderately (e1CO2: 550 ± 15 μmol/mol) or substantially (e2CO2: 750 ± 15 μmol/mol) elevated CO2 to study their effects on plant growth and nitrogen (N) content. After 27 days, the net photosynthetic rate (Pn) of e2CO2-treated seedlings was significantly higher (20.09%) than that of seedlings grown under aCO2. However, by day 51, the...

Effects of nutrient solutions on growth, yield and quality of yardlong bean plant (Vigna unguiculata subsp. sesquipedalis L.) grown in a hydroponic systemOriginal Paper

Thuy Le Thi, Thao Nguyen Phuong, Thi Van Pham, Thi Oanh Nguyen

Hort. Sci. (Prague), X:X | DOI: 10.17221/1/2025-HORTSCI  

This study was conducted to evaluate the effects of three nutrient solutions (Hoagland, Knop, and Hydro Umat F) on the growth, yield, and fruit quality of hydroponically cultivated yardlong bean (Vigna unguiculata subsp. sesquipedalis L.). Results showed that Hydro Umat F extended the plant lifespan (105.4 days) and flowering time (58.65 days), increased the number of branches per plant, and enhanced leaf SPAD values. Plants grown in Hydro Umat F also exhibited the highest yield, as indicated by the number of flowers per plant (46.12), number of pods per plant (20.81), pod length (54.15 cm), pod weight (20.06 g), and total pod weight...

Effect of harvest time on total phenolic and flavonoid contents and antioxidant capacities of two grape varieties from Trebinje vineyard areaOriginal Paper

Mersija Delić, Milenko Blesić, Fikreta Behmen, Anstasija Anđušić, Fahrudin Topčić, Senad Murtić

Hort. Sci. (Prague), X:X | DOI: 10.17221/52/2025-HORTSCI  

The aim of this study was to analyse the effects of harvest timing on the total phenolic and flavonoid contents, in addition to the total antioxidant capacity in the berries of ‘Žilavka’ and ‘Vranac’ varieties grown in the Trebinje vineyard area. Grape samples for both varieties were collected at three distinct points during their ripening. The chosen harvest dates were set 10 days apart, and the optimal date for grape harvesting was determined by assessing the sugar content and titratable acidity present in the grapes. Total phenolics, total flavonoids and total antioxidant activity of grape samples were determined by the Folin-Ciocalteu...

Degree of seedbed compaction and response of spinach (Spinacia oleracea L.) under different traffic treatmentsOriginal Paper

Esra Nur Gül, Emine Polat, Engin Özgöz, Naif Geboloğlu

Hort. Sci. (Prague), X:X | DOI: 10.17221/143/2024-HORTSCI  

Soil compaction has negative impacts on plant productivity. Degradation of soil structure as a result of soil compaction can inhibit the development of plant roots and make it difficult for plants to take up water and nutrients. This can negatively affect plant growth and productivity. Compaction restricts plant root growth by increasing mechanical resistance, reducing oxygen uptake, and thus reducing crop yields as it inhibits plant development. In this study, the effects of soil compaction due to machinery traffic on the physical structure of soil, morphological characteristics and yield of spinach were investigated in Tokat, where vegetable farming...

Knowing your enemy before taking the field: A screening of salt and UV-B treatments to boost the biochemical defences of tomato (Solanum lycopersicum L., ‘Moneymaker’ cultivar) plantlets in controlled conditionsOriginal Paper

Maria Calogera Sciampagna, Alessia Mannucci, Salvatore Limpido, Annamaria Ranieri, Antonella Castagna, Marco Santin

Hort. Sci. (Prague), X:X | DOI: 10.17221/109/2023-HORTSCI  

Plants are commonly exposed to different abiotic stress factors that can threaten their growth and development. Abiotic treatments might be used as a tool to increase the tolerance of plants grown in controlled environments before being transplanted in open fields, but this technique needs a careful choice of the stressor dose. We screened several UV-B radiation doses (1 h, 3 h, 6 h and 8 h per day) and NaCl doses (75 mM, 150 mM, 300 mM), separately, to be employed as preconditioning treatments of tomato plantlets (Solanum lycopersicum L., ‘Moneymaker’ cultivar) cultivated in a controlled environment. Biometric parameters and antioxidant...