Beefsteak tomato Italy, first, and France, later, an original variety of beefsteak tomato is produced, which looks like a heart beef by its form, which is pointing down. In Italy, the "cuore di bue" has been registred, but not in France, where some companies continue naming "cœur de bœuf" tomatoes which don't have the same qualities. Beefsteak tomato A beef tomato (British English) or beefsteak tomato (American English) is one of the largest varieties of cultivated tomatoes, some weighing or more. Most are pink or red with numerous small seed compartments (locules) distributed throughout the fruit, sometimes displaying pronounced ribbing similar to
Plum pox of stone fruit by causing acidity and deformities. The only way to manage the disease is to destroy all infected trees, which can cause significant economic losses. The disease symptoms were first seen in Bulgaria around 1916-1917, thus the name of "sharka" - from Bulgarian "шарка", meaning "pox". In 1933, the virus origin was described by Dimitar Atanasov. The disease developed in several European countries. The plum pox virus is a linear single stranded RNA virus. There are nine strains of plum pox virus: PPV-D, PPV-M, PPV-EA, PPV-C, PPV-Rec (Recombinant), PPV-W, PPV-T, PPV-CR, and PPV-An. PPV-M isolates are more aggressive