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Infection Studies With Watermelon Wilt Caused By Fusarium Niveum Efs., D. R. Porter
Research Bulletin (Iowa Agriculture and Home Economics Experiment Station)
Watermelon wilt, caused by Fusarium niveum, is a serious disease in Iowa and in many other sections of the United States. The present Iowa acreage is less than 10 percent of the acreage before wilt became a factor.
Three heretofore undescribed seedling symptoms are described. These are: seedling rot, damping off and stunting.
The organism may cause lesions on any of the roots. These are at first water-logged and become discolored in advanced stages. The lesions vary in length from a trace to 28 centimeters.
Infection may be induced thru the use of infested soil, by means of spore suspensions ...