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First record of powdery mildew of Egyptian acacia (Acacia rubra Mill.) in Mosul / Iraq | ||
| Journal of Kerbala for Agricultural Sciences | ||
| Article 9, Volume 5, Issue 1, 2018, Pages 111-119 PDF (965.28 K) | ||
| Author | ||
| Anwer N. Alkhero | ||
| Forestry department / College of Agriculture and Forestry/ University of Mosul | ||
| Abstract | ||
| First record of Egyptian acacia (Acacia rubra Mill.) powdery mildew disease was recorded in Iraq / Mosul , the infected trees were cultivated as road sides and for ornamental as the beauty of its flowers this was in Al-Arabee situation in Mosul , field survey were done threw autumn / 2013 up to spring / 2014 , especially at May and the infecting percent were (25-60 %) incorporation , Symptoms at upper surface of leaves were appeared as a white color powder and then developed to lower surface , Microscopic test were done, conidia and conidiophore noticed under microscope , conidia had barrel shape , its dimension the same of Oidium spp. This genus is the conidial stage of powdery mildew, there were no sexual stage appeared threw the test . Pathogenicity results showed high pathogenicity ability with acacia seedlings which reached to 100 % of infection ratio after artificial inoculation. | ||
| Keywords | ||
| Powdery mildew; Acacia sp; Odium sp | ||
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