VIEW ARTICLE

Wilt of Chrysanthemum Caused by Fusarium oxysporum f. sp. chrysanthemi, forma specialis nov.. G. M. Armstrong, Formerly Emeritus Head, Department of Botany and Bacteriology, Clemson University, Clemson, South Carolina 29631, now Research Associates, Department of Plant Pathology, University of Georgia, College of Agriculture Experiment Stations, Georgia Station, Experiment, Georgia 30212; Joanne K. Armstrong(2), and R. H. Littrell(3). (2)Plant Pathologist, Department of Botany and Bacteriology, Clemson University, Clemson, South Carolina 29631; (3)Head, Plant Pathology Department, University of Georgia, College of Agriculture Experiment Stations, Coastal Plain Station, Tifton, Georgia 31794. Phytopathology 60:496-498. Accepted for publication 17 October 1969. DOI: 10.1094/Phyto-60-496.

A new forma specialis, Fusarium oxysporum f. sp. chrysanthemi Litt., Armst. & Armst., was obtained from wilting plants of Yellow Delaware chrysanthemum. Its relationships to other f. sp. of F. oxysporum are given.