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Taking action against ToBRFV
Learn more and get the latest news and information on ToBRFV from Vegetables by Bayer.
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Seed Quality Knowledge Center
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Striving for excellence and high quality is central to our people and processes. Quality is in our DNA. It’s in our core. This means when you plant our seeds, you can start the season with the confidence of high quality and high performance.
In 2023, Bayer’s R&D team communicated the following commitment to the market: “we’ll be launching in 2025 at least one Intermediate Resistant product within each of the major glasshouse segment”.
Following this commitment, Bayer is now in full swing preparing products and seeds for the ongoing and upcoming 2025 glasshouse sowing campaign. In 2025, Bayer has already introduced several ToBRFV resistant new varieties across key segments including large trusses, medium trusses, beef, pink beef, cherry and cocktail plums, reflecting the dynamic pace and innovation within Bayer’s De Ruiter® glasshouse portfolio.
Today, Bayer’s De Ruiter® teams are proud for several reasons:
Some of Bayer De Ruiter® new varieties launched in 2025, De Ruiter Experience Center
The entire team is proud of these achievements and Jan Barten, who is coordinating the ToBRFV resistance efforts at Bayer’s Vegetable Seeds division for its De Ruiter® product portfolio, smiles when asked if he is satisfied. His response is clear: “we’ll not stop there, we’ll continue!”
Bayer has already taken a strong stance against ToBRFV by commercializing De Ruiter® glasshouse tomato varieties with ToBBRFV resistance, such as “Ferreira” a red beef tomato introduced in 2022 and “Futumaru” a pink beef tomato introduced in 2024.
2025 is a pivotal year for De Ruiter® glasshouse product portfolio, with launches of converted hybrids or newly bred materials within various segments as large truss GRANDICE RES* (breeder’s reference: DRTH1060), REDITY* (breeder’s reference: DRTH1050), LUMINITY* (breeder’s reference: DRTH1054), SERENITY (registered only in US); Medium Truss MARISARA* (breeder’s reference: DRTH0068), DEFENSIOSA* (breeder’s reference: DRTH0072), GUARDIOSA* (breeder’s reference: DRTH0074), REZENCE* (breeder’s reference: DRTH0090) ; Pink Beef ROSIMARU MUCHOO* (breeder’s reference: DRTG4863), PINKMARU* (breeder’s reference: DRTG4876), HAKUMARU RES* (breeder’s reference: DRTG4873), SHINEMARU* (breeder’s reference: DRTG4872) ; Cocktail & Cherry Plum truss, and again Beef RIBOSKI* (breeder’s reference: DRTH5066).
All products listed above are now available for sales and in the coming weeks Bayer’s De Ruiter glasshouse teams will confirm the final denominations- our “fancy names”- for the products currently under approval. They will also be sharing the latest performance results for each of these segments along with updates from the teams driving these exciting launches. Stay tuned!
*Name subject to approval.
Tomato Brown Rugose Fruit Virus (ToBRFV) is a highly contagious virus that disrupts tomato production worldwide. Its ability to mutate and exist as multiple viral isolates makes it especially difficult to manage long-term.
RB-ToBRFV stands for “resistance-breaking ToBRFV.” It is a newly identified strain caused by a single-nucleotide mutation. This strain has been shown to overcome single-gene resistance in some tomato varieties, raising concerns about the durability of current resistant cultivars.
Unlike single-gene resistance, which provides only one layer of protection, multi-gene resistance combines multiple resistance factors. This creates a durable barrier against both the standard ToBRFV isolate and the RB-ToBRFV strain.
Two glasshouse trials tested four tomato varieties (two current, two pre-commercial) with multi-gene resistance. All four showed strong protection, scoring between 1–3 on a 1–9 symptom severity scale. In contrast, the susceptible check scored 9 with St-ToBRFV and 5 with RB-ToBRFV.
Initial results are highly promising. Vegetables by Bayer is confirming performance through ongoing field evaluations to help ensure protection holds up under diverse growing environments.
Growers can have greater peace of mind knowing that Seminis® and De Ruiter® varieties with multi-gene resistance offer an added layer of protection, helping reduce the risk of yield loss from evolving ToBRFV strains.