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Increasing drought resistance of Alnus subcordata C.A. Mey. seeds using a nano priming technique with multi-walled carbon nanotubes

Author

Listed:
  • D. Rahimi

    (Department of Arid Land Forestry, Faculty of Desert Studies, Semnan University, Semnan, Iran)

  • D. Kartoolinejad

    (Department of Arid Land Forestry, Faculty of Desert Studies, Semnan University, Semnan, Iran)

  • K. Nourmohammadi

    (Young Researchers and Elite Club, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran)

  • R. Naghdi

    (Department of Engineering of Wood and Paper Industries, Faculty of Natural Resources, Semnan University, Semnan, Iran)

Abstract

To evaluate the effects of nano priming on seed germination of Alnus subcordata (Caucasian alder) C.A. von Meyer under drought stress, the present research was conducted using multi-walled carbon nanotubes (MWCNTs; 0, 10, 30, 50, and 100 mg.l-1) at 6 levels of drought stress (0, -2, -4, -6, -8, and -10 bar) through a factorial experiment (5 priming levels with 4 replications). After priming, the seeds were placed into a germinator at 21°C. Results revealed that nano priming at the concentration of 100 mg.l-1 led to the highest germination rate and percentage at all levels of drought stress. Also, the highest values of seed vigour index and root and stem lengths and dry weights were observed at nano carbon treatment with 30 mg.l-1. Considering the obtained results, it was concluded that nano priming could result in boosted resistance of Caucasian alder seeds against drought stress, so that the seed tolerance increased from -4 bar (without nano priming treatment, i.e. reference sample) to -8 bar upon applying 100 mg.l-1 nanotubes. Based on the results of the present research, it is suggested that the seed nano priming technique with MWCNTs can be applied in order to increase the seed and seedling tolerance of other members of the genus Alnus Miller.

Suggested Citation

  • D. Rahimi & D. Kartoolinejad & K. Nourmohammadi & R. Naghdi, 2016. "Increasing drought resistance of Alnus subcordata C.A. Mey. seeds using a nano priming technique with multi-walled carbon nanotubes," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 62(6), pages 269-278.
    • Handle: RePEc:caa:jnljfs:v:62:y:2016:i:6:id:15-2016-jfs
    DOI: 10.17221/15/2016-JFS
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    References listed on IDEAS

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    1. Katerji, N. & van Hoorn, J. W. & Hamdy, A. & Karam, F. & Mastrorilli, M., 1994. "Effect of salinity on emergence and on water stress and early seedling growth of sunflower and maize," Agricultural Water Management, Elsevier, vol. 26(1-2), pages 81-91, September.
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