Fusarium Crown and Root Rot of Tomato and Control Methods

摘要

F. oxysporum is a widespread soilborne plant pathogen, which causes diseases such as vascular wilt and crown and root rot. The species delimitation has been defined according to morphological and physiological characteristics; with strains of F. oxysporum classified into formae speciales on the basis of pathogenicity on a particular host plant and races based on differences in virulence to given host cultivars. There are over 120 described formae speciales and races. One of these formae speciales is Fusarium oxysporum Schlect f. sp. radicis-lycopersici Jarvis and Shoemaker, which causes Fusarium crown and root rot (FCRR) of tomato. FCRR is one of the most damaging soil-borne diseases of tomato and becoming more common in greenhouse and field tomato production. The disease occurs in both the greenhouse and the field on tomato worldwide and causes significant losses in tomato production. In closed systems, with recirculation of nutrient solution and rock wool as a growing medium, crown and root rot of tomato can cause serious problems. This review discussed biology, ecology and epidemiology of the fungus and management options; cultural control, chemical control, biological control and integrated control in managing FCRR.