Tomato severe rugose virus (ToSRV) is the most important begomovirus transmitted and spread by the whitefly Bemisia tabaci in tomato crops in Brazil. Cultural practices are being adopted, along with insecticides, for controlling this virus. However, little is known about the importance of weeds in the pathosystem, which can contribute to the failure of these practices. This work aimed to evaluate the role of Datura stramonium and Nicandra physaloides as alternative hosts of ToSRV and verify the viral influence on the biological performance of Bemisia tabaci Middle East‐Asia Minor 1 (MEAM1) and Mediterranean (MED) cryptic species. N. physaloides was a better alternative host for ToSRV when combined with MEAM1 whiteflies, while D. stramonium was mostly a good host for whitefly reproduction. Viral infection improved MEAM1 performance on both host plants but affected MED performance negatively. These data suggest that both weeds can be of some importance for the pathosystem, and their control should be included in management programmes.

中文翻译：

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曼陀罗和酸枝花作为番茄严重皱纹病毒和粉虱的宿主的评价

番茄严重皱纹病毒 (ToSRV) 是由粉虱 Bemisia tabaci 在巴西番茄作物中传播和传播的最重要的 Begomovirus。正在采用文化习俗以及杀虫剂来控制这种病毒。然而，人们对杂草在病理系统中的重要性知之甚少，这可能导致这些做法的失败。这项工作旨在评估曼陀罗和酸枝花作为 ToSRV 替代宿主的作用，并验证病毒对烟粉虱中东亚小 1 (MEAM1) 和地中海 (MED) 隐性物种生物学性能的影响。N. physaloides 与 MEAM1 粉虱结合时是 ToSRV 的更好替代宿主，而 D. stramonium 主要是粉虱繁殖的良好宿主。病毒感染改善了两种寄主植物的 MEAM1 性能，但对 MED 性能产生了负面影响。这些数据表明，这两种杂草对致病系统都有一定的重要性，它们的控制应包括在管理计划中。