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  • Title: [Epiphytic phase of Erwinia amylovora and Pseudomonas syringae pv. syringae on orchard weeds].
    Author: Gvozdiak RI, Lukach MI.
    Journal: Mikrobiol Z; 2001; 63(3):43-50. PubMed ID: 11785263.
    Abstract:
    Epiphyte phase of phytopathogenic bacteria Erwinia amylovora and Pseudomonas syringae pv. syringae on the fruit garden weeds has been studied. It has been shown that healthy weeds of the fruit-tree stands can be an ecologic niche for Erwinia amylovora and Pseudomonas syringae pv. syringae which gives them an opportunity to survive as epiphytes. Strains of Pseudomonas syringae pv. syringae were isolated from seven studied weeds (47-49%) during the whole vegetation period (March-October). Strains of Erwinia amylovora distributed on the leaves of Arctium lappa L., Amarantus reflexus L. and Tripleurospermum inodorum (L) Sch. Vir. in the period of the disease intensive development on the pear-tree (June-August). Cells of Erwinia amylovora were isolated from 12-14% of selected weeds.
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