First report of phyllactinia chubutiana, nom. Cons., on vallesia glabra (apocynaceae) in mexico

Rubén Félix-Gastélum, Karla Yeriana Leyva-Madrigal, Francisco Roberto Quiroz-Figueroa, Norma Rodriguez-Mora, Ignacio Eduardo Maldonado-Mendoza, Silvia Espinosa-Matías, Guadalupe Arlene Mora-Romero

Research output: Contribution to journalComment/debate

1 Scopus citations

Abstract

A new record of the powdery mildew Phyllactinia chubutiana, nom. cons. (= Oidium insolitum, Ovulariopsis insolita) was documented on pearl berry [Vallesia glabra (Cav.) Link]. No teleomorph was observed. This novel record was identified as a member of Ovulariopsis, based on the morphological characteristics of the anamorph (hyphae, conidiophores, and conidia), and its hemi-endophytic mycelium in V. glabra correspond to P. chubutiana, nom. cons. A Phyllactinia-specific primer pair was designed for the ITS region of the nuclear rDNA. Phylogenetic analyses confirmed the identity of the powdery mildew specimens found in V. glabra in Sinaloa, Mexico. This is the first ever report of this powdery mildew in V. glabra, and the second report world-wide on a member of the Apocynaceae.

Original languageEnglish
Pages (from-to)281-287
Number of pages7
JournalBotany
Volume99
Issue number5
DOIs
StatePublished - 2021

Keywords

  • ITS
  • Pearl berry
  • Phylogeny
  • Powdery mildew

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