First report of Erwinia amylovora on Pyrus elaeagrifolia and Amelanchier sp. in Bulgaria
In Bulgaria, an outbreak of fireblight (Erwinia amylovora – EPPO A2 List) occurred in 2005. Severe damage was observed on pome fruit trees in many regions of Bulgaria. For the first time, symptoms were observed on Pyrus elaeagrifolia and Amelanchier sp. growing in a park, in the region of Plovdiv. Affected P. elaeagrifolia showed necrotic and immature fruitlets, progressive necrosis towards the adjacent branches, and cankers. Amelanchier sp. showed severely blighted flowers, fruitlets, shoots and branches, as well as bacterial ooze on the shoots. Laboratory studies confirmed the presence of E. amylovora. According to the authors, this is the first time that E. amylovora is reported on P. elaeagrifolia and Amelanchier sp. in Bulgaria.
Sources
Bobev SG, van Vaerenbergh J, Maes M (2007) First report of fireblight on Pyrus elaeagrifolia and Amelanchier sp. in Bulgaria. Plant Disease 91(1), p 110.