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Evaluation of seed germination features of Bromus kopetdaghensis Drobov under different temperature

    Authors

    • Reyhane Azimi 1
    • Mohammad Khajeh Hosseini 2
    • Farnosh Falahpor 3

    1 MSc Student of Range Management, Faculty of Natural Resources and Environment, Ferdowsi University of Mashhad, Iran

    2 Assistant Professor, Faculty of Agriculture, Ferdowsi University of Mashhad, Iran

    3 PhD Candidate, Agroecology, Faculty of Agriculture, Ferdowsi University of Mashhad, Iran

,

Document Type : Research Paper

10.22059/jrwm.2014.51830
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Abstract

Bromus kopetdaghensis is one of perennial plants of Poaceae family and it is important in biodiversity of arid and semi arid grasslands of Iran. This experiment was conducted as a completely randomized design with 4 replications in laboratory of faculty of Agriculture, Ferdowsi University of Mashhad, Iran.Treatments were different constant temperature of 5, 10, 15, 20, 25, 30, 35, and 40°C with 4 replications and in each replication 25 seeds were used. The results showed significant effects on different germination features of Bromus kopetdaghensis. The lowest germination rate (with 2.26 seed per day) was obtained at 5°C and the highest (with 11.39 seed per day) at 30°C. The maximum and minimum length of caulicle was obtained at 35°C (with 9.41cm) and 10°C (with 2.48cm), respectively. Maximum length of radical was also observed at 35°C (with 9.62cm) and minimum length of radical was observed at 10 and 20°C, without significant different with 3.63 and 3.48 cm. Based on the regression analysis between rate of germination and temperature the cardinal temperature of maximum, optimum, and minimum were obtained in the range of 0.71-4.25, 24-30.36 and 41.01-45.48, respectively.

Keywords

  • Bromus kopetdaghensis
  • cardinal temperature
  • germination
  • temperature
  • Regression model
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Journal of Range and Watershed Managment
Volume 67, Issue 2 - Serial Number 2
July 2014
Pages 253-261
Files
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  • PDF 363.34 K
History
  • Receive Date: 05 August 2012
  • Revise Date: 18 October 2014
  • Accept Date: 18 May 2013
  • First Publish Date: 22 June 2014
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How to cite
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  • Mendeley
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  • Article View: 2,723
  • PDF Download: 1,664

APA

Azimi, R., Khajeh Hosseini, M., & Falahpor, F. (2014). Evaluation of seed germination features of Bromus kopetdaghensis Drobov under different temperature. Journal of Range and Watershed Managment, 67(2), 253-261. doi: 10.22059/jrwm.2014.51830

MLA

Reyhane Azimi; Mohammad Khajeh Hosseini; Farnosh Falahpor. "Evaluation of seed germination features of Bromus kopetdaghensis Drobov under different temperature". Journal of Range and Watershed Managment, 67, 2, 2014, 253-261. doi: 10.22059/jrwm.2014.51830

HARVARD

Azimi, R., Khajeh Hosseini, M., Falahpor, F. (2014). 'Evaluation of seed germination features of Bromus kopetdaghensis Drobov under different temperature', Journal of Range and Watershed Managment, 67(2), pp. 253-261. doi: 10.22059/jrwm.2014.51830

VANCOUVER

Azimi, R., Khajeh Hosseini, M., Falahpor, F. Evaluation of seed germination features of Bromus kopetdaghensis Drobov under different temperature. Journal of Range and Watershed Managment, 2014; 67(2): 253-261. doi: 10.22059/jrwm.2014.51830

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