Drying of meadow fescue seeds of different moisture contents: Changes in dormancy and germination

R. Stanisavljević, J. Milenković, D. Djokić, D. Terzić, M. Petrović, L. Đukanović and D. Dodig
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R. Stanisavljević: Institute of Forage Crops, Kruševac, Serbia
J. Milenković: Institute of Forage Crops, Kruševac, Serbia
D. Djokić: Institute of Forage Crops, Kruševac, Serbia
D. Terzić: Institute of Forage Crops, Kruševac, Serbia
M. Petrović: Institute of Forage Crops, Kruševac, Serbia
L. Đukanović: Department of Seed, High School for Agriculture, Šabac, Serbia
D. Dodig: Maize Research Institute Zemun Polje, Belgrade-Zemun, Serbia

Plant, Soil and Environment, 2013, vol. 59, issue 1, 37-43

Abstract: In the past few years in Europe grass seed production declines. This tendency is especially pronounced in meadow fescue. Seed shedding and therefore yield losses are the problem in seed production. This can be reduced if seed of higher moisture contents is harvested. The impacts of drying temperatures of 70, 60, 50, 40 and 22°C on changes in dormancy and germination of seed harvested with moisture contents of 45, 35 and 25% were observed in the present study. The analysis was done immediately after seed drying, then three months later and eight months later. Seeds with the moisture content of 45% that were dried at 70°C were not dormant at all after harvest, but seeds were damaged, which resulted in reduced germination. Drying temperatures of 40°C and 50°C resulted in maximum germination of seed harvested with 45% moisture after three months. After eight months the best germination of all seeds was obtained at 22°C and 40°C. The seed ageing test confirmed faster deterioration of seeds harvested with higher moisture contents. Seed harvested with 25% moisture and dried at 22°C is the most suitable seed for longer storage.

Keywords: Festuca pratensis; germination ability; post-harvest maturation; seed viability; seed storage (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:59:y:2013:i:1:id:551-2012-pse

DOI: 10.17221/551/2012-PSE

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