Forestry Studies in China

, Volume 11, Issue 2, pp 111–117 | Cite as

Effects of osmopriming and hydropriming on vigour and germination of China aster (Callistephus chinensis (L.) Nees.) seeds

Research Article
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Abstract

The aim of this research was to evaluate the effects of osmopriming and different hydropriming treatments on the vigour and germination of China aster (Callistephus chinensis) seeds. Seed vigour and germination tests were conducted at 10, 20 and 30°C in darkness for untreated, osmoprimed and hydroprimed seeds. The following parameters and categories of seeds and seedlings were evaluated: the mean germination time (MGT), T 10, T 50, U 75-25, U 90-10, the percentage of germinating seeds (G max), germination capacity, percentage of abnormal seedlings and dead seeds. The results showed that osmopriming accelerated seed germination to the largest extent and improved the uniformity of germination at 10 and 30°C. Among the hydropriming treatments the highest speed of germination was observed for seeds hydrated in 500 μL of water per 1 g of seeds for 48 h at 15°C. This treatment accelerated seed germination at 10°C compared with the control. Osmopriming increased seed germination capacity at 30°C. None of the applied hydropriming treatments improved this parameter.

Key words

osmopriming hydropriming vigour germination China aster (Callistephus chinensis) 
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Copyright information

© Beijing Forestry University and Springer-Verlag GmbH 2009

Authors and Affiliations

  • Yu-jie Li
    • 1
  • Hanna Dorna
    • 2
  • Su-juan Guo
    • 1
  • Ming-pu Zhai
    • 1
  1. 1.The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingP. R. China
  2. 2.Department of Seed Science and TechnologyPoznan University of Life SciencesBaranowo, PoznanPoland

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