Taxonomy and pathogenicity of Ceratocystis species on Eucalyptus trees in South China, including C. chinaeucensis sp. nov.

A possible centre of diversity in South East Asia for the tree pathogen, Ceratocystis manginecans

“…In addition, the same fungus has been reported on Acacia spp. in Malaysia (Brawner et al, 2015) and on Eucalyptus trees in South China (Chen et al, 2013). The SSR markers used in this study should, in future, be screened on isolates from these countries to determine the genetic structure of additional populations.…”

“…Concern regarding the pathogen has increased in recent years, as it has been found on the native legume trees Prosopis cineraria (Ghaf) in Oman and Dalbergia sissoo (Shisham) in Pakistan (Al Adawi et al, 2013b). This species has also been reported on the widely planted A. mangium in South East Asian countries, including Indonesia (Tarigan et al, 2011) and Malaysia (Brawner et al, 2015), and on Eucalyptus species in South China (Chen et al, 2013). Isolates of Ceratocystis spp, which could represent the same species, have also been reported from Eucalyptus trees in Brazil and Punica granatum (pomegranate) in India (Harrington et al, 2014).…”

New Ceratocystis species from Eucalyptus and Cunninghamia in South China

“…There are only six previous reports of Ceratocystis species from China and all species reside in the South American Clade. These species include C. manginecans from recently harvested stumps of Eucalyptus in GuangDong Province (Chen et al 2013;Fourie et al 2015), and C. fimbriata s.l, causing a disease on Eucalyptus (Li et al 2014b), Ipomoea batatas (sweet potato; Sy 1956), Punica granatum (pomegranate; Huang et al 2003;Xu et al 2011), Colocasia esculenta (taro; Huang et al 2008) and Eriobotrya japonica (loquat; Li et al 2014a). Considering the number of Ceratocystis species found in other countries, and the small number of studies on species of Ceratocystis and other Ceratocystidaceae found in China, the discovery of C. cercfabiensis and C. collisensis suggests that many other species in the genus and family remain to be discovered in this geographic area.…”

“…Despite the growing importance of Eucalyptus and other plantation species in China, information regarding fungal diseases affecting these plantations is limited (Zhou and Wingfield 2011). This is also true regarding the possible occurrence and impact of Ceratocystis species associated with trees in these plantations, where there have been only two previous studies treating this topic (Chen et al 2013;Li et al 2014b). …”

Genetic Analyses Trace the Yunnan, China Population of Ceratocystis fimbriata on Pomegranate and Taro to Populations on Eucalyptus in Brazil

“…in Indonesia (18), but it is not clear that C. fimbriata is causing serious disease on Eucalyptus in Asia (6,17,36). in Indonesia (18), but it is not clear that C. fimbriata is causing serious disease on Eucalyptus in Asia (6,17,36).…”