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First report of bean yellow mosaic virus infecting nasturtium (Tropaeolum majus) in Hawaii.

Diversity of root-knot nematodes of the genus Meloidogyne Göeldi, 1892 (Nematoda: Meloidogynidae) associated with olive plants and environmental cues regarding their distribution in southern Spain.

Wang, D. ; Ocenar, J. ; Hamim, I. ; Borth, W. B. ; Fukada, M. T. ; Melzer, M. J. ; Suzuki, J. Y. ; Wall, M. M. ; Matsumoto, T. ; Sun, G. F. ; Ko, M. ; Hu, J. S.

Plant Disease 2019 Vol 103 No. 1 pp. 168-169;

Abstract

Garden nasturtium (Tropaeolum majus) is an herbaceous annual plant commonly used as a garden ornamental, culinary herb, or a medicinal plant. It has become naturalized in many locations and is currently considered an alien invader in New Zealand, Lord Howe Island, and Hawaii, USA. Bean yellow mosaic virus (BYMV) is an aphid-transmitted nonpersistent potyvirus with a wide host range. In February 2018, nasturtium plants exhibiting severe chlorotic mosaic symptoms were observed at the Kula Botanical Gardens on Maui, Hawaii. Based on ELISA tests, polymerase chain reaction assays and BLAST analysis of the nucleotide sequences, the causal agent was identified as BYMV. This is thought to be the first report of BYMV infecting nasturtium plants in Hawaii.