4.1.3
REVIEW OF PLANT BACTERIAL DISEASES CAUSED BY FLUORESCENT PSEUDOMONADS IN BYELORUSSIA

LE OGORODNIK1, RI GVOZDYAK2, LM YAKOVLEVA2, LV KABASHNAYA2 and EA SIDOROVICH3

1Department of Biology, Kyiv Taras Shevchenko University, pr. Akademica Glushkova, 2/12, 252022 Kyiv, Ukraine; 2Institute of Microbiology of National Academy of Sciences, Zabolotny str.154, 252143 Kyiv, Ukraine; 3Central Botanical Garden National Academy of Byeiorussia, Surganova str. 2a, Minsk-72, Byelorussia

Background and objectives
Under favourable conditions, opportunistic pathogens such as Pseudomonas fluorescens, P. aeruginosa and P. fluoroviolacens can affect ornamental plants and cause great damage to floriculture.

Materials and methods
The physiological and biochemical properties of bacteria isolated from ornamental plants were studied by commonly used methods, according to Bergey's Manual [1].

Results and conclusions
Byelorussia has a great diversity of plants, some of which were introduced from other parts of the world. Some of these introduced plants have been attacked by fluorescent pseudomonads causing leaf necrosis, wilt and rot of various tissues. The plants that are well documented as being attacked, severely or lightly, by these bacteria are listed below as industrial and ornamental plants (opened and closed soil); in addition, the fluorescent pathogenic bacteria involved in the plant diseases are named and discussed in some detail: begonia, dahlia, tuft root, carnation, anthurium, bird-of-paradise, cyclamen, freesia, narcissus, tulip, iris, gladiolus - Pseudomonas fluorescens; iris, calia, gerbera - P. fluoroviolacens; lily, gerbera - P. aeruginosa. Alone or in combination with other bacteria or fungi, these pseudomonads have caused particularly severe disease in gerbera, iris, anthurium and bird-of-paradise.

References
1. Krieg NR, Holt JG, eds, 1984. Bergey's Manual of Systematic Bacteriology, Vol.1.