Seed-borne fungal pathogens of ornamental flowering plants
1995
Chou, J.-K. | Wu, W.-S. (National Taiwan Univ., Taipei (China). Department of Plant Pathology and Entomology)
Twenty-four fungi were detected from 22 seed samples of 13 species of flower crops. All the seeds were imported from foreign countries. Among these fungi, Alternaria carthami isolated from zinnia seed, Colletotrichum dematium isolated from seeds of celosia and globe amaranth, Curvularia lunata isolated from French marigold and globe amaranth, Drechslera rostrata isolated from French marigold, and Phoma sp. isolated from globe amaranth decreased the rate of germination of their related flower crops significantly. In addition, A. carthami and C. dematium caused disease to zinnia and celosia, respectively. These fungi are the first reported seed-borne fungal pathogens of related flower crops internationally. Several other unreported seed-borne fungi exist among flower seeds, but our work proved them to be non-pathogenic
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