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Identification Of Alternaria Alternata As A Causal Agent For Leaf Blight In Syringa Species, Margaret T. Mmbaga, Ainong Shi, Mee-Sook Kim
Identification Of Alternaria Alternata As A Causal Agent For Leaf Blight In Syringa Species, Margaret T. Mmbaga, Ainong Shi, Mee-Sook Kim
Agricultural and Environmental Sciences Faculty Research
While many isolates of Alternaria alternata are common saprophytes on trees and shrubs, this study clearly demonstrated that A. alternata is a primary pathogen in lilac (Syringa sp.), causing a leaf-blight that affects different Syringa species. Isolates of Alternaria sp. were collected from leaf blight samples of lilacs in the field. The internal transcribed spacer (ITS) region and morphological characterization were used to identify lilac blight pathogen. Based on 100% ITS nucleotide sequence identities to the Alternaria genus in the GenBank and morphological features, these isolates were identified as A. alternata. Disease symptoms were reproduced in lilac plants inoculated with …