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Fusarium Wilt of Chrysanthemum: Pathogen-Free Rooted Cuttings and Susceptibility of New Cultivars. D. L. Strider, Professor, Department of Plant Pathology, North Carolina State University, Raleigh 27695-7616. Plant Dis. 69:836-838. Accepted for publication 6 May 1985. Copyright 1985 The American Phytopathological Society. DOI: 10.1094/PD-69-836.

Rooted cuttings of 57 cultivars of chrysanthemums from a commercial propagator were culture-indexed and found to be free of the Fusarium wilt pathogen Fusarium oxysporum f. sp. chrysanthemi. The vast majority of cultivars were highly resistant to both F. oxysporum f. sp. chrysanthemi and f. sp. tracheiphilum; however, Excel, Foxy, Luv, and Fortune were highly susceptible and Applause, Circus, Remarkable, and Tempter were susceptible to F. oxysporum f. sp. chrysanthemi. Foxy was highly susceptible and Luv was susceptible to F. oxysporum f. sp. tracheiphilum.