Prevalences of Tobamovirus Contamination in Seed Lots of Tomato and Capsicum

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Abstract

Seed lots of tomato and capsicum (Solanum lycopersicon and Capsicum annuum, respectively) are required to be free of quarantine pests before their entry to Australia is permitted. Testing of samples from 118 larger seed lots in the period 2019–2021 revealed that 31 (26.3%) carried one or more of four Tobamovirus species, including tomato mottle mosaic virus (ToMMV), which is a quarantine pest for Australia. Testing of samples from a further 659 smaller seed lots showed that 123 (18.7%) carried a total of five Tobamovirus species, including ToMMV and tomato brown rugose fruit virus (ToBRFV), which is also a quarantine pest for Australia. Estimated prevalence of contamination by tobamoviruses ranged from 0.388% to 0.004% in contaminated larger seed lots. Analyses of these data allow us to estimate probabilities of detection of contamination under different regulatory settings.

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APA

Dall, D. J., Lovelock, D. A., Penrose, L. D. J., & Constable, F. E. (2023). Prevalences of Tobamovirus Contamination in Seed Lots of Tomato and Capsicum. Viruses, 15(4). https://doi.org/10.3390/v15040883

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