Bulletin of Insectology (2007) 60, 137-138

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M. Samuitiene, R. Jomantiene, D. Valiunas, M. Navalinskiene and R.E. Davis (2007)
Phytoplasma strains detected in ornamental plants in Lithuania
Bulletin of Insectology 60 (2), 137-138
First International Phytoplasmologist Working Group Meeting (IPWG), Bologna (Italy) November 12-15, 2007
Abstract: During recent years, increasing attention has been devoted to the development of field floriculture in Lithuania. Since the quality of ornamental plants is adversely affected by diseases attributed to phytoplasmas, we surveyed plant collections in botanical gardens and floriculture farms in Lithuania for phytoplasmal diseases. 37 ornamental species belonging to 18 plant families exhibiting disease symptoms including general yellowing and stunting, proliferation of shoots, phyllody, virescence and reduced size of flowers, and reddening of leaves were collected in commercial floriculture farms and botanical gardens. Analysis of phytoplasmal 16S rRNA gene sequences amplified in the polymerase chain reaction revealed that the plants were infected by phytoplasmas belonging to five distinct subgroups (16SrI-A, 16SrI-B, 16SrI-C, 16SrI-L, and 16SrI-M) of group 16SrI (aster yellows phytoplasma group) and two subgroups (16SrIII-B, 16SrIII-F) of group 16SrIII (X-disease phytoplasma group).
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Database assignments for author(s): M. Samuitiene, Robert E. Davis, Deividas Valiunas

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


16SrI phytoplasma group Eryngium (crop) Lithuania
16SrI phytoplasma group Sedum (crop) Lithuania
16SrI phytoplasma group Helleborus (crop) Lithuania
16SrI phytoplasma group Rudbeckia (crop) Lithuania
16SrI phytoplasma group Gladiolus (crop) Lithuania
16SrI phytoplasma group Tulipa (genus) Lithuania
16SrI phytoplasma group Phlox (crop) Lithuania
16SrI phytoplasma group Celosia (crop) Lithuania
16SrI phytoplasma group Pachysandra (crop) Lithuania
16SrI phytoplasma group Limonium (crop) Lithuania
16SrI phytoplasma group Gaillardia (crop) Lithuania
16SrI phytoplasma group Delphinium (crop) Lithuania
16SrI phytoplasma group Veronica (crop) Lithuania
16SrI phytoplasma group Aquilegia (crop) Lithuania
16SrI phytoplasma group Bellis (crop) Lithuania
16SrI phytoplasma group Aconitum (crop) Lithuania
16SrI phytoplasma group Hyacinthus (crop) Lithuania
16SrI phytoplasma group Dicentra (crop) Lithuania
16SrI phytoplasma group Callistephus (crop) Lithuania
16SrI phytoplasma group Consolida (crop) Lithuania
16SrI phytoplasma group Lunaria (crop) Lithuania
16SrI phytoplasma group Verbascum (crop) Lithuania
16SrI phytoplasma group Silene (crop) Lithuania
16SrIII phytoplasma group Gaillardia (crop) Lithuania
16SrIII phytoplasma group Dictamnus (crop) Lithuania