August 15, 2025MycoKeysOpen Access

Alternaria phoenicis sp. nov. and Alternaria ouedrighensis sp. nov. (Pleosporales, Pleosporaceae): Two new species associated with leaf spot and blight diseases of date palm (Phoenix dactylifera L.)

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Two new species, Alternaria phoenicis and Alternaria ouedrighensis, were identified as causes of leaf spot and blight on date palm.
Surveys in Algeria showed these species are significant threats to date palm yield and quality, leading to economic losses.
Phylogenetic identification used key genetic markers, including ribosomal DNA and glyceraldehyde-3-phosphate dehydrogenase.
These findings highlight the need for monitoring and management strategies for emerging plant diseases affecting agriculture.

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Investigation reveals two new species, Alternaria phoenicis and Alternaria ouedrighensis, indicating emerging pathogens affecting date production.

Djellid et al. (2025) studied this question.

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Investigation reveals two new species, Alternaria phoenicis and Alternaria ouedrighensis, indicating emerging pathogens affecting date production.