Black Rot of Artichoke Leaves Caused by Two Phoma Species in Japan(Short Communication)

概要

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Phoma macrostoma var. incolorata and P. exigua var. exigua were isolated from leaf spots of artichoke in Mie Prefecture, Japan in June 1997. Colonies of P. macrostoma var. incolorata grew fast, pigmented the medium vinous without staining the mycelium, and changed blue with NaOH. Conidial size in culture was 3 to 10 μm × 2 to 4.5 μm. Colonies of P. exigua var. exigua grew fast without pigmentation and changed yellow-green with NaOH. The conidia were sometimes septate, and size of aseptate conidia was 4 to 9.5 μm × 2 to 3.5 μm. These fungi produced gray, round spots on artichoke leaves. This report is the first on the occurrence of artichoke black rot caused by P. macrostoma var. incolorata and P. exigua var. exigua in Japan.
日本植物病理学会の論文
2002-08-25