Abstract
Abstract A case of variability in Sphaero sis sapinea. Two isolates (type I and type II) of Sphaeropsis sqinea were isolated from the co lar of a declining Cedrus deo daa in the South of France. Cultural characteristics on PDA and MEA as well as conidial dimensions were compared with those of types A and B of S. sapinea described to occur in North America.Type II was similar to type A in respect to cultural aspects and growth but distinctly different in conidial dimensions. Slower growing type I was similar to type B. However, type I grew faster on PDA, had smaller conidia and lacked microconidia. Single‐conidia isolates obtained from the four types showed stability of these characteristics.
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