First Report of Yerba Mate Wilt Caused by <i>Ceratocystis fimbriata</i> in Brazil

Santos, Á. F. dos; Ferreira, M. A.; Auer, Celso Garcia; Bührer, C; Brito, Nícolas Manarim de; Scremin, R. M.; Mireski, Maria Cecília

doi:10.1094/pdis-02-18-0228-pdn

Cited by 11 publications

(7 citation statements)

References 3 publications

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“…Considering the recent report of C. fimbriata in yerba mate (Dos Santos et al, 2018), and based on results of this study, Ceratocystis wilt represents a serious threat to yerba mate cultivation, since all eleven isolates of Ceratocystis fimbriata inoculated induced typical symptoms of the disease with different levels of aggressiveness and all clones assessed were susceptible to Ceratocystis wilt.…”

Section: Discussionmentioning

confidence: 59%

“…The 11 isolates were identified morphologically following characteristics of the species C. fimbriata (Dos Santos & Ferreira, 2003). For greater reliability of the morphological identification, isolates C‐1, C‐4 and C‐8 were identified molecularly following the methodology described by Dos Santos et al, (2018) as C. fimbriata .…”

Section: Methodsmentioning

confidence: 99%

“…Ceratocystis fimbriata Ellis and Halst. was observed in 2018 at some commercial plantations of I. paraguariensis in Brazil with plant´s mortality reached up to 5% (Dos Santos et al, 2018).…”

Section: Recently a New Lethal Disease Known As Ceratocystis Wilt Caused Bymentioning

confidence: 99%

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Aggressiveness and screening for host responses in yerba mate (Ilex paraguariensis) clones to a wilt disease caused by Ceratocystis fimbriata

et al. 2021

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Ceratocystis wilt of yerba mate (Ilex paraguariensis) caused by the fungus Ceratocystis fimbriata was observed in 2018 in commercial plantations located in São Mateus do Sul, PR and Arvorezinha, RS, Brazil, where mortality of the plants was up to 5%. Due to the need of control measures for this disease and to the lack of knowledge on the impact of this pathogen this new host, this study aimed to evaluate the aggressiveness of C. fimbriata isolates collected from yerba mate plantations and screen for host responses in yerba mate clones to Ceratocystis wilt. Two experiments were conducted in a completely randomized design, with 11 treatments (isolates) to assess aggressiveness of the isolates. Two experiments were conducted to assess resistance of yerba mate to C. fimbriata in a completely randomized design in a 6 × 2 factorial scheme (6 clones × 2 isolates) in two different environmental conditions (plant growth chamber and greenhouse). The isolates of C. fimbriata showed different levels of aggressiveness to yerba mate, and all evaluated clones were susceptible to Ceratocystis wilt. The plant growth chamber condition led to a faster death of the plants compared with greenhouse. This information will be useful to understand the pathosystem and seek strategies for controlling this disease in yerba mate.

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Section: Discussionmentioning

confidence: 59%

Section: Methodsmentioning

confidence: 99%

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Aggressiveness and screening for host responses in yerba mate (Ilex paraguariensis) clones to a wilt disease caused by Ceratocystis fimbriata

et al. 2021

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“…-Hil.) located in São Mateus do Sul, PR and Arvorezinha, RS, mortality of up to 5% of the plants was reported due to the wilting of yerba mate caused by Ceratocystis fimbriata Ellis & Halsted (SANTOS et al 2018). This disease can become limiting for the cultivation of yerba mate.…”

mentioning

confidence: 99%

“…The 11 isolates were identified morphologically following characteristics of the species C. fimbriata (SANTOS & FERREIRA, 2003). To obtain greater reliability of morphological identification, isolates C-1, C-4 and C-8 were identified molecularly following the methodology described by SANTOS et al (2018) as C. fimbriata.…”

mentioning

confidence: 99%

Morphophysiological characterization of Ceratocystis fimbriata isolates from yerba mate

et al. 2021

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This study aimed to morphologically characterize the isolates of Ceratocystis fimbriata from yerba mate and to evaluate the effect of culture medium and temperature on mycelial growth and sporulation of C. fimbriata. For the morphological characterization of the 11 monosporic isolates of the fungus, slides were prepared to determine the dimensions of the sexual and asexual structures of the fungus. Four experiments were conducted to evaluate the mycelial growth and to evaluate the sporulation of C. fimbriata in different culture mediums and temperatures. The isolates of C. fimbriata from yerba mate showed perithecia with brown to black necks, divergent ostiolar hyphae, hatshaped hyaline ascospores, single-celled, cylindrical endoconidia, and globular to ovoid aleurioconidia. PDA and V8-agar media showed the highest mycelial growth. The average optimum temperature for mycelial growth and sporulation of isolates of C. fimbriata of yerba mate were 22.5 and 22.4 ºC, respectively.

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