DOI: https://doi.org/10.5513/JCEA01/23.4.3640
Original scientific paper
Temperature and water solution pH effects on crimson clover (Trifolium incarnatum L.) imbibition and seedling traits
2022, 23 (4) p. 749-756
Goran Herman, Ranko Gantner, Vlado Guberac, Helena Žalac, Gordana Bukvić
Abstract
Crimson clover (Trifolium incarnatum L. convar. Inkara) seeds were imbibed with water solution of various pH values (4, 5, 6 and 7) at various ambiental temperatures (10, 15 and 22 °C) with the aim to reveal treatments effects on seed (imbibition, germination energy, germination and electric conductivity) and seedling traits (stem, root and total length). Seeds were imbibed in a laboratory by the standard method for seed germination. When averaged over the inquired pH values, ambient temperature affected all the investigated traits except stem length. The highest seed imbibition (58.8%) and electric conductivity (82 μS/cm per gram) were achieved at 22 °C. The highest values for germination energy (70%), germination (68%), root length (31 mm) and total seedling length (77 mm) were achieved at 10 °C. When averaged over the inquired ambiental temperatures, the highest germination energy (71%), germination (73%), root length (34 mm) and total seedling length (78 mm) were achieved at pH 4.
Keywords
Trifolium incarnatum L., germination, electrical conductivity
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