Beefsteak tomato 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 ancient pre-Columbian tomato cultivars. While popular among home growers for beef sandwich toppings and other applications requiring a large tomato such as toppings on large steaks. Beefsteaks are not grown commercially as often as other types, since they are not considered as suitable for mechanization as smaller slicing tomatoes. Common varieties include: Both in
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