| 11. | Subgroups are defined on the basis of viral interference and in vitro host range.
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| 12. | Its host range was limited to members of the Commelinaceae.
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| 13. | Although the host range differs, the symptoms are relatively similar.
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| 14. | They are divided into three orders based on habitat, host range, and trophozoite morphology.
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| 15. | The host range of a virus is determined by the specificity of the binding.
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| 16. | This difference is minimalized when comparing host ranges of isolates of the same species.
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| 17. | In contrast, the other two genotypes had a smaller host range and were locally distributed.
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| 18. | This pathogen can occur on many continents and has a wide host range of plants.
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| 19. | The virus has a wide host range that includes field grown crops, ornamentals and weeds.
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| 20. | A characteristic of the family is the broad host range susceptible to infection by vibrios.
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