Tulips, Fusarium and ethylene: changing the paradigm

W.B. Miller
Fusarium oxysporum f. sp. tulipae causes basal rot in tulip and is a cause of significant economic loss. Both direct bulb loss and indirect quality loss from ethylene that is produced by the fungus when growing on tulips, can occur. Our ongoing research has demonstrated that ca. 20% of tulip cultivars are essentially unaffected by ethylene when treated in the October-November time frame. This challenges the long-standing belief that all cultivars are damaged by ethylene exposure. Furthermore, ca. 50% of tulip cultivars apparently do not support excessive levels of ethylene production upon Fusarium inoculation. To date, results indicate no relationship between cultivar ethylene sensitivity and ethylene production of inoculated bulbs.
Miller, W.B. (2019). Tulips, Fusarium and ethylene: changing the paradigm. Acta Hortic. 1237, 153-160
DOI: 10.17660/ActaHortic.2019.1237.20
basal rot, flower bulbs, Tulipa

Acta Horticulturae