Fighting ToBRFV: 10 articles from 2022

"If a tomato grower nowadays says he isn't concerned about the virus, he's lying", a grower recently mentioned. ToBRFV worries growers all over the world as losses from contaminated greenhouses go up to 50 percent and the virus is extremely persistent. Hopefully, the hard work of the breeders pays off, resulting in resistant varieties available broadly. 

ToBRFV virus: a pragmatic approach
After seven years of a Tomato Brown Rugose Fruit Virus (ToBRFV) pandemic that affected tomato production and markets worldwide, it is now clearer than ever that the development of genetic resistance that will allow plants to grow and yield high-quality fruit is key to solving ToBRFV-related phytosanitary risks and hazards. What is not as clear, however (and different notions are being discussed in the industry), is which varieties can be called resistant to ToBRFV or how to define the resistance level of a variety to ToBRFV.

New report outlines and quantifies catastrophic loss from the tomato brown rugose fruit virus (ToBRFV)
iUNU published a new report on the Tomato Brown Rugose Fruit Virus (ToBRFV) titled Learning to Live With ToBRFV.
The report contains information on how ToBRFV spreads, how to detect ToBRFV, diagnostics for every stage of production, and more.

Three new Dutch companies infected with ToBRFV 
The Netherlands now officially has 41 companies infected with the Tomato Brown Rugose Fruit Virus (ToBRFV).
That is 3 more than during the last update of the Dutch Food and Consumer Product Safety Authority (NVWA) in February.

Plan to eliminate ToBRFV published
The Nederlandse Voedsel- en Warenautoriteit (Dutch Food and Consumer Product Safety Authority) has
published a plan of action to eliminate the persistent Tomato Brown Rugose Fruit Virus at an infected cultivation site.

Belgian tomato grower raided on suspicion of using prohibited ToBRFV vaccine 
Past Tuesday a raid took place at a tomato-growing company in Rijkevorsel, Belgium. The grower is suspected of developing and using a prohibited vaccine against the Tomato brown rugose fruit virus (ToBRFV). Additionally, several house searches took place in Beerse and Kapellen.
The Prosecutor's Office of Antwerp announced Tuesday afternoon that four people have been detained. 

"Only high resistance can stop the spread of ToBRFV" 
In 2020, Enza Zaden announced that it had discovered the gene for high resistance to the devastating tomato brown rugose virus. Two years later, the seed company already has a complete portfolio of different types of highly resistant tomato varieties. This was the message that stood out the most at the World Tomato Congress, one of the sector's most important professional events, held recently in the Spanish municipality of Campohermoso, in Almeria.

Sicilian growers have learned to cope with ToBRFV
After a fairly satisfactory season, with high prices mainly due to the lack of product caused by the ToBRFV virus, tomato prices in Italy have been dropping since early June.

The reduced availability of tomatoes in the European market was undoubtedly due to the more limited harvest in the heated greenhouses as a result of the increase in energy prices. A trader from Vittoria, in the Sicilian province, who has a stand at the city's fruit and vegetable market, provided an analysis. "Mainly Poland, but also the countries of central and northern Europe, which have been successfully growing tomatoes in winter in high-tech greenhouses for some time, have suffered a loss of market share due to competition."

"The resilience and competency of Sicilian growers, meanwhile, have led to significant improvements in controlling and learning to coexist with ToBRFV, thus reducing crop loss. But breeding is also already moving slowly forward," said the trader

UK: ToBRFV back after two years 
A second outbreak of ToBRFV has been confirmed at a tomato production site in the UK. This outbreak is likely the result of reinfection at the site from a previous outbreak, EPPO reports.

New discovery in overcoming ToBRFV 
A new tobamovirus named tomato brown rugose fruit virus (ToBRFV) overcomes the effect of the Tm-1, Tm-2, and Tm-2 2 resistance genes introgressed from wild Solanum species into cultivated tomato ( Solanum lycopersicum ). Here, we report the isolation and molecular characterization of a spontaneous mutant of ToBRFV that breaks resistance in an unknown genetic background, demonstrated recently in Solanum habrochaites and Solanum peruvianum.

Rijk Zwaan launches ToBRFV-resistant tomato varieties 
The Tomato Brown Rugose Fruit Virus or ToBRFV has been causing major economic losses in tomato cultivation worldwide. Rijk Zwaan’s team of researchers found new ToBRFV-resistant genetics .


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