Morphological and molecular characterization of Fusarium isolated from maize in Syria
Title Morphological and molecular characterization of Fusarium isolated from maize in Syria
Authors Madania, A.,  Altawil, M., Naffaa, W, Volker, P.H., Hawat, M
Source title Journal of Phytopathology
ISSN 1439-0434
Q Q2
Link https://doi.org/10.1111/jph.12085
Abstract

Maize is the third most important cereal after wheat and barley in Syria. Maize plants are attacked by several Fusarium species causing mainly stalk and ear rot of maize which poses a major impact worldwide. Identification of Fusarium species is important for disease control and for assessment of exposure risk to mycotoxines. To identify Fusarium species attacking maize in Syria, a total of 32 Fusarium isolates were recovered from maize ears collected from four different geographical regions, mainly from Ghouta surrounding Damascus. Fusarium isolates were identified based on morphology and on partial DNA sequencing of the TEF1-α and rDNA/ITS genes. The majority (26 of 32) of these isolates was identified as F. verticillioides (subdivided into four groups), whereas three isolates turned out to be Fthapsinum, Fequiseti and Fandiyazi. The remaining three isolates were close to Fandiyazi, although further investigation is needed to confirm whether they represent a yet undescribed species. Furthermore, our results showed that sequencing the TEF1-α gene is much more informative than sequencing of the rDNA/ITS region for Fusarium identification at the species level. PCR analysis showed that only Fverticillioides isolates were potentially fumonisin producers and that only the Fequiseti isolate was potentially trichotecene producer. This is the first report on Fusarium thapsinum, Fequiseti and Fandiyazi attacking maize in Syria.

 



عداد الزوار / 838616 /