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从枇杷灰斑病病斑上分离的病原菌,经鉴定分属于2个种,即Pestalotia adusta Ell.&Ev.[Pestalotiaadusta(Ell.& Ev.)Stey]和P.eriobotrifolia Guba。它们的分生孢于形态差异很大,菌体酯酶及蛋白质电泳图谱也有明显的差别.种内不同分离物间的酯酶及蛋白质电泳图谱有很大的相似性.P.eriobotrifolia是枇杷灰斑病病原菌的优势种.
The pathogens isolated from the loquat spot disease were identified as belonging to two species, Pestalotia adusta Ell. & Ev. [Pestalotia adusta (Ell. & Ev.) Stey] and P.eriobotrifolia Guba. Their morphology of sporulation varies widely, and there is also a significant difference between the esterase and protein electrophoresis patterns of the isolates. The esterase and protein electrophoresis patterns of different isolates are very similar.Periobotrifolia is a kind of loquat ash The dominant species of spot pathogens.