Susceptibility assessment of potato cultivars toFusarium dry rot species

Characterization of Fusarium spp. Causing Potato Dry Rot in China and Susceptibility Evaluation of Chinese Potato Germplasm to the Pathogen

“…Désirée is in the most tolerant group to the isolate of F. sambucinum. The previous work also showed that Désirée was ranked as the second highest tolerant cultivar to F. sambucinum (Esfahani 2005). Our results showed that the majority of the potato lines are moderately and highly susceptible to F. sambucinum.…”

“…The most effective and environmentally friendly approach to control dry rot is the utilization of resistant potato cultivars, although better handling of potatoes at harvest and during post-harvest operations would sensibly reduce the importance of such disease as well. Only cursory germplasm evaluation on resistance to Fusarium dry rot has been reported in the literature (Leach and Webb 1981;Corsini and Pavek 1986;Wastie and Bradshaw 1993;Lynch et al 2003;Esfahani 2005;Valluru et al 2006). Tested clones include commercial cultivars and breeding lines, showing varying degrees of susceptibility but one breeding line with immunity to two Fusarium species.…”

“…Thirteen different Fusarium species have been identified as agents responsible for potato dry rot worldwide (Cullen et al 2005). The pathogenicity of these species varies significantly (Choiseul et al 2007;Peters et al 2008a) depending on the potato cultivar and temperature during inoculation (Wastie et al 1989;Esfahani 2005). Two Fusarium species, F. sambucinum (formally F. sulphureum) and F. coeruleum, have been reported to be the principal causes of potato dry rot under temperate conditions (Corsini and Pavek 1986).…”

“…Two Fusarium species, F. sambucinum (formally F. sulphureum) and F. coeruleum, have been reported to be the principal causes of potato dry rot under temperate conditions (Corsini and Pavek 1986). Several Fusarium species caused potato dry rot in Iran with F. sambucinum and F. solani being the predominant species (Esfahani 2005). In Great Britain, potato dry rot was mainly attributed to four Fusarium species: F. coeroleum, F. avenaceum, F. culmorum, and F. sambucinum, with F. coeroleum being the predominant species (Peters et al 2008a).…”

The effect of Pseudomonas chlororaphis subsp. aurantiaca strain Q16 able to inhibit Fusarium oxysporum growth on potato yield

“…About 40 soil-borne diseases affect potato worldwide and cause severe damage especially on tubers, the economically most important part of the plant (Gudmestad et al, 2007). Fusarium dry rot is caused by several Fusarium species, among them F. sambucinum, F. culmorum Fúckel, F. avenaceum (Fries) Saccardo (Secor & Salas, 2001;Daami-Remadi & Mahjoug, 2006;Peters et al, 2008) including F. oxysporum Schlech (Venter et al, 1992;Esfahani, 2005;Ocamb et al, 2007). Potato dry rot usually occurs during storage and can lead to losses in crop quality and yield.…”