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1篇 您的检索式:作者名="Musrat Ali"
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1Aspergillus tubingensis Causes Leaf Spot of Cotton (Gossypium hirsutum L.) in Pakistan显示文摘Cotton(Gossypium hirsutum L.)is a key fiber crop of great commercial importance.Numerous phytopathogens decimate crop production by causing various diseases.During July-August 2018,leaf spot symptoms were recurrently observed on cotton leaves in Rahim Yar Khan,Pakistan and adjacent areas.Infected leaf samples were collected and plated on potato dextrose agar(PDA)media.Causal agent of cotton leaf spot was isolated,characterized and identified as Aspergillus tubingensis based on morphological and microscopic observations.Conclusive identification of pathogen was done on the comparative molecular analysis of CaM andβ-tubulin gene sequences.BLAST analysis of both sequenced genes showed 99%similarity with A.tubingensis.Koch’s postulates were followed to confirm the pathogenicity of the isolated fungus.Healthy plants were inoculated with fungus and similar disease symptoms were observed.Fungus was re-isolated and identified to be identical to the inoculated fungus.To our knowledge,this is the first report describing the involvement of A.tubingensis in causing leaf spot disease of cotton in Pakistan and around the world.Maria Khizar Urooj Haroon Musrat Ali Samiah Arif Iftikhar Hussain Shah Hassan Javed Chaudhary Muhammad Farooq Hussain Munis 2020Phyton-International Journal of Experimental Botany2020,89,1:0
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