Priliminary study on die back of thuja trees

huda

Authors

  • Huda Hazim Wafi AL-Taae Plant Protection Department., College of Agriculture and Forestry, Mosul University. Iraq
  • Ali Kareem Al-Taae Plant Protection Department., College of Agriculture and Forestry, Mosul University. Iraq

DOI:

https://doi.org/10.59658/jkas.v5i5.602

Keywords:

Key words: Thuja, Die Back, Water loss

Abstract

Isolation results from infected Thuja trees showed the existence of Pestalotiopsis funereal, Phoma herbarum ,.  and  Nigrospora  oryzae . ,this is the first record on the Cedar in Iraq The pathogenicity test result showed the ability of the fungi to cause yellowing and browning plant leaves starting from crown area to plant tip and causing plant death after 3 months from inoculation time .     Cedar wilting branches test showed total wilting after treatment with Phoma herbarum culture filtrate as compared to Pestalotiopsis sp. and Nigrospora oryzae culture filtrate of three fungi had increased water loss in Cedar branches. The amount of water loss was significantly correlated with culture filtrate concentration and period of treatment.

Key words: Thuja, Die Back, Water loss

Author Biographies

Huda Hazim Wafi AL-Taae, Plant Protection Department., College of Agriculture and Forestry, Mosul University. Iraq

Assist.Professor

Ali Kareem Al-Taae, Plant Protection Department., College of Agriculture and Forestry, Mosul University. Iraq

Professor

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Published

03/06/2018

How to Cite

Wafi AL-Taae, H. H., & Al-Taae, A. K. (2018). Priliminary study on die back of thuja trees: huda. Journal of Kerbala for Agricultural Sciences, 5(5), 586–594. https://doi.org/10.59658/jkas.v5i5.602

Issue

Vol. 5 No. 5 (2018): Proceedings of the 3rd Agricultural Scientific Conference 5-6 March 2018/ College of Agriculture / University of Kerbala

Section

Third scientific conference /College of Agriculture / University of Karbala 05-

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