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News

Unmasking ToBRFV: How One Virus Is Shaking Global Tomato Production

02/05/2025 - Sophie Colvine
An article published on LinkedIn by the Agrifacts Alliance explores the global impact of the Tomato Brown Rugose Fruit Virus (ToBRFV), the challenges it poses for both fresh and processing tomato sectors, and the innovative responses from the seed industry—especially the development of resistant hybrids. With processing tomato producers facing similar risks as those growing for fresh markets, the article highlights the importance of prevention, hygiene protocols, and long-term breeding programs to ensure crop security.

Tomato brown rugose fruit virus (ToBRFV) is an emerging tobamovirus that has rapidly become a global threat to tomato and pepper production due to its high transmissibility, genetic stability, and ability to overcome previously effective resistance genes. Since its initial detection in Israel in 2014, ToBRFV has spread to more than 30 countries across Europe, Asia, the Americas, and Africa, disrupting both crop yields and international trade.

This review presents a comprehensive, literature-based analysis of the virus's emergence, biological behavior, modes of transmission, diagnostics, resistance strategies, and economic impact. A global timeline was developed based on peer-reviewed publications to map the virus’s year-by-year geographic spread. Transmission routes - including mechanical, seedborne, pollinator-mediated, and waterborne pathways - were examined in detail, alongside current and emerging diagnostic technologies such as ELISA, LAMP, qPCR, and CRISPR-based assays.

The research also explores ToBRFV's symptoms, histopathology, and expanding host range, with emphasis on its adaptability to infect both cultivated and wild Solanaceae species. Control strategies are critically reviewed, including integrated pest management (IPM), sanitation protocols, and recent advances in resistance breeding using CRISPR/Cas9, GWAS, and omics-guided gene discovery.

Chapters addressing global trade implications and phytosanitary regulation demonstrate that ToBRFV is not only a biological concern but also a cause of significant economic loss, especially in seed export and fresh produce trade. Finally, key research gaps are identified, including the need for durable resistance, regional diagnostic harmonization, and scalable surveillance methods such as wastewater monitoring and predictive modeling.

Overall, this review consolidates the global scientific knowledge on ToBRFV into a single reference framework, offering strategic insights for virologists, growers, policymakers, and breeders seeking sustainable responses to this rapidly evolving plant virus.

The full review can be accessed on LinkedIn HERE 

Source: AgriFacts Alliance & Cover photo: Hazera Seeds
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