First Report of <i>Ceratocystis fimbriata</i> Causing Leaf Blight on <i>Alocasia macrorrhiza</i> in China

Li, J.; Yang, Jie; Xu, Kecheng; Sun, Y. X.; Huang, Qiong

doi:10.1094/pdis-12-15-1464-pdn

Cited by 3 publications

(2 citation statements)

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“…Among these A. longiloba is widely cultivated in Guangdong Province as an ornamental plant due to its distinctive 'elephant ear' foliage. There are several diseases and pests associated with Alocasia spp., including fungal diseases [3,4]. Alternaria alocasiae and Ceratocystis fimbriata have been reported to cause leaf spots [4] and leaf blight [5], respectively, on A. macrorrhiza in China [4].…”

Section: Introductionmentioning

confidence: 99%

“…There are several diseases and pests associated with Alocasia spp., including fungal diseases [3,4]. Alternaria alocasiae and Ceratocystis fimbriata have been reported to cause leaf spots [4] and leaf blight [5], respectively, on A. macrorrhiza in China [4]. In addition, anthracnose of A. macrorrhiza caused by Colletotrichum karstii [3], root rot on Alocasia sp.…”

Section: Introductionmentioning

confidence: 99%

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Fusarium elaeidis Causes Stem and Root Rot on Alocasia longiloba in South China

et al. 2021

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Alocasia longiloba is a popular ornamental plant in China, however pests and diseases associated with A. longiloba reduce the ornamental value of this plant. From 2016 to 2021, stem and root rot has been observed on A. longiloba in Guangdong Province, China. Once the disease became severe, plants wilted and died. A fungus was isolated from the diseased stem and identified as Fusarium elaeidis using both morphological characteristics and molecular analysis of DNA-directed RNA polymerase II subunit (rpb2), translation elongation factor-1α (tef1) gene and β-tubulin (tub2) sequence data. The pathogenicity test showed the fungus was able to produce typical symptoms on A. longiloba similar to those observed in the field. The original pathogen was reisolated from inoculated plants fulfilling Koch’s postulates. This is the first report of Fusarium elaeidis causing stem rot on A. longiloba. These results will provide a baseline to identify and control diseases associated with A. longiloba.

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