The Perithecial Stage of Didymella Lycopersici

Abstract

THE perithecial stage of the fungus that causes stem rot of tomato was found and described in 1921 by Klebahn1, who named it Didymella Lycopersici. It was apparently not observed again until I found it in October 1943 on a single plant growing at Long Ashton, and since then mature perithecia have been found on three occasions*. Confirmation of the identity of the fungus has been obtained in pathogenicity experiments with single ascospore cultures.

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References

  1. 1

    Klebahn, H., Z. Pflanzenkrankheiten, 30, 1 (1921).

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