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Agriculture, Vol. 21 No. 2, 2015.

Original scientific paper

https://doi.org/10.18047/poljo.21.2.1

EFFECTS OF STORAGE PERIOD AND TEMPERATURE UPON SEED AND SEEDLING TRAITS OF PERENNIAL RYEGRASS (LOLIUM PERENNE L.)

Gordana Bukvić ; J.J.Strossmayer University of Osijek, Faculty of Agriculture in Osijek, K. P. Svačića 1d, 31000 Osijek, Croatia
Ranko Gantner ; J.J.Strossmayer University of Osijek, Faculty of Agriculture in Osijek, K. P. Svačića 1d, 31000 Osijek, Croatia
Sonja Grljušić ; Agricultural Institut Osijek, Južno predgrađe 3, 31000 Osijek, Croatia
Brigita Popović ; J.J.Strossmayer University of Osijek, Faculty of Agriculture in Osijek, K. P. Svačića 1d, 31000 Osijek, Croatia
Dejan Agić ; J.J.Strossmayer University of Osijek, Faculty of Agriculture in Osijek, K. P. Svačića 1d, 31000 Osijek, Croatia
Aleksandar Stanisavljević ; J.J.Strossmayer University of Osijek, Faculty of Agriculture in Osijek, K. P. Svačića 1d, 31000 Osijek, Croatia

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Abstract

A research of seed storage period and storage temperature effects upon the seed quality and seedlings traits for the seeds of two perennial ryegrass cultivars (Bartwingo and Calibra) was conducted. Seeds were stored in hermetically sealed glass dishes at four different temperatures (room temperature about 21°C, 10°C, -20°C and -80°C) and for three different periods (9, 18 and 30 months). Upon completing the storage treatments the seed and seedling traits were tested by the rolled filter paper method. The research has revealed significant effects of storage temperature, storage period, cultivar and interactions upon all the investigated traits. The highest germination energy, germination and seedling plumule length were observed after the shortest (9-month) storage period, and the least after the longest (30-month) storage period. Seedling radicule was longest after 18-month storage period and shortest after 30 months. All the investigated traits had the highest values when seeds were stored at -80°C, and the least when the seeds were stored at room temperature. Cultivar Bartwingo has shown a greater germination energy and germination but Calibra has shown a greater seedling radicule and plumule length.

Keywords

perennial ryegrass; seed; storage period; temperature

Hrčak ID:

150596

URI

https://hrcak.srce.hr/150596

Publication date:

18.12.2015.

Article data in other languages: croatian

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