ToBRFV eradicated from Germany, 1st report in China

06-08-2019    02:30   |    HortiBiz

In Germany, Tomato brown rugose fruit virus (Tobamovirus, ToBRFV - EPPO Alert List) was first observed in 2018 in several greenhouses producing tomato (Solanum lycopersicum) fruit in North Rhine-Westphalia (EPPO RS 2019/012). The sources of these infections are unknown, but it was noted that the young tomato plants had not been produced in Germany. Eradication measures were immediately applied. In May and June 2019, plants in these greenhouses were extensively sampled for the possible presence of ToBRFV. As all results were negative, ToBRFV is now considered to be eradicated from Germany.

The pest status of Tomato brown rugose fruit virus in Germany is officially declared as: Absent, pest eradicated.

In China, in April 2019, tomato plants (Solanum lycopersicum) showing brown rugose symptoms on fruit and mild mosaic symptom on leaves were found in 3 tomato greenhouses (approximately 4000 m²) in Yucheng (Shandong province). The incidence of diseased plants was estimated at about 50%. Samples were collected and analyzed for virus infection through Western blot, ELISA and RT-PCR. Sequencing confirmed the presence of Tomato brown rugose fruit virus (Tobamovirus, ToBRFV - EPPO Alert List). This is the first time that ToBRFV is reported from China.

The pest situation of Tomato brown rugose fruit virus in China can be described as: Present, few occurrences.

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Photo credit: Aviv Dombrovsky/EPPO

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