Effect of different levels of salinity and temperature on seed germination parameters German Chamomile (Matricaria recutita)

Document Type : Research Paper

Authors

1 M.Sc Student of Seed Science and Technology, Faculty of Agricultural Sciences, University of Guilan, Iran

2 Assistant Professor, Faculty of Agricultural Sciences, University of Guilan, Iran

3 Professor, Faculty of Agriculture, Ferdowsi University of Mashhad, Iran

Abstract

To investigate effects of temperature and salinity different levels on germination parameters of German chamomile (matricaria chamomilla), an experiment carried out in complete randomized design as factorial with three replication in department of agronomy, college of agriculture on the University of Guilan, in 2014. Treatments were including temperature levels (5, 10, 15, 20, 25, 30 and 35 OC) and different levels of salinity stress 0 (control), 4, 8, 12 and 16 dsm-1. Analysis of variance showed that treatments and their interaction had significant effect on germination rate, germination velocity, germination unity, germination index, time to 50% germination and time to 90% germination. Salinity stress decreased significantly all of germination traits. GR and GP were significantly decreased in lower temperature (≥15 OC), also had not germinated at 35 OC. Maximum of MTG in different salinity levels had occur in temperatures of lower of 15OC. GI had decreased with increasing of salinity levels and in all temperature levels, and had not significant difference between control and 4 dsm-1. In this experiment germination parameter more decreased in higher temperature levels (≤20 OC), with increasing of salinity levels. The levels of 15 and 20 OCdiscard significantly impact of salinity treatment.

Keywords

References

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Iranian Journal of Field Crop Science
Volume 47, Issue 3 - Serial Number 3
January 2017
Pages 367-375

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History

  • Receive Date: 25 August 2015
  • Revise Date: 29 November 2015
  • Accept Date: 22 December 2015
  • Publish Date: 21 November 2016

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