First Report of Potato Virus Y in Ornamental <i>Calibrachoa</i> in Argentina

Tombion, Leticia; Alderete, Liliana Marisol; Torre, Mariana Pérez de la; Agrofoglio, Yamila Carla; Delfosse, Verónica Cecilia; Distéfano, Ana Julia; Soto, María Silvina

doi:10.1094/pdis-09-18-1673-pdn

Cited by 1 publication

(1 citation statement)

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“…To date, Calibrachoa mottle virus (CbMV) (Liu et al, 2003), Tobacco mild green mosaic virus (TMGMV) (Sabanadzovic et al, 2009), Podosphaera xanthii (Brielmaier-Liebetanz et al, 2015), Phytophthora nicotianae (Lin et al, 2018), Potato virus Y (PVY) (Tombion et al, 2019), Alternaria porri (Nishikawa and Nakashima, 2020), and Sclerotinia sclerotiorum (Borrelli et al, 2020), have been reported to infect calibrachoa plants in different countries. The development of new cultivars includes disease surveys.…”

Section: Introductionmentioning

confidence: 99%

Leaf spots of calibrachoa caused by Nigrospora oryzae

et al. 2020

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Calibrachoa hybrida (calibrachoa, million bells) is a flowering ornamental with increasing importance due to the existence of many successful cultivars for growing indoors in containers and planting in the garden and landscape. The outstanding characteristic is a profuse flowering and intense colour. In October 2019, a fungal isolate was obtained from basal calibrachoa leaves with irregular brown leaf spots, in plants cultivated in Buenos Aires, Argentina. The aim of the present study was to identify the cause of the disease in this ornamental genus, to expand knowledge about prevalent pathologies. The isolate was identified using morphological and molecular markers, and the pathogenicity tests were fulfilled. This paper reports that Nigrospora oryzae is pathogenic to calibrachoa, which seems to be the first record of this leaf spot disease in the world.

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