Dissemination of potyviruses in Virginia and Burley tobacco

Yovko Dyulgerski, Yonko Yonchev, Marina Drumeva-Yoncheva

Резюме: During the period of 2006 – 2013 is determined the spread of Potyviruses, investigated over 120 introduced varieties and perspective lines and hybrids Virginia and Burley tobacco, grown in experimental fields to TTPI – Plovdiv. The results show that in most years the percentage of infected plants from Potyviruses at the end of the vegetation in Burley tobacco is with around 40% to 60% lower than in Virginia tobacco. The biggest difference is in the dissemination of Potyviruses in both varietal groups tobacco in 2006, and the lowest in 2012, when the amount of diseased plants do not differ significantly.
Dissemination of Potyviruses varies considerably in different years and are highly dependent on climatic conditions conducive to migration of the vector.

Ключови думи: Burley tobacco; potyviruses; tobacco; Virginia tobacco

Дата на публикуване: 2017-08-09