First report of Iris yellow spot orthotospovirus infecting onion in Santa Catarina State, Brazil.
First report of Iris yellow spot orthotospovirus infecting onion in Santa Catarina State, Brazil.
Author(s): ARAÚJO, E. R.; RESENDE, R. S.; LIMA, M. F.
Summary: During 2017/18, 2018/19 and 2019/20 crop seasons, sudden leaf blight symptoms were observed in bulb onion crops in open fields in Santa Catarina State. Eventually, leaves exhibited whitish diamond-shaped spots, characteristic of IYSV-like symptoms. In turn, yellow or light green diamond-shaped spots, which may or may not have a lighter center, were observed on scape from seed onion crop.
Publication year: 2021
Types of publication: Journal article
Unit: Embrapa Vegetables
Observation
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