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A New Disease in Limonium latifolium Hybrids. II. Investigating Insect Vectors
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Titel: |
A New Disease in Limonium latifolium Hybrids. II. Investigating Insect Vectors |
In: | HortScience, 39, 2004, 5, S. 1060-1061 |
veröffentlicht: |
American Society for Horticultural Science
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Umfang: | 1060-1061 |
ISSN: |
0018-5345 2327-9834 |
DOI: | 10.21273/hortsci.39.5.1060 |
Zusammenfassung: | <jats:p>Symptoms typical of a phytoplasma infection were observed on a large number of <jats:italic>Limonium</jats:italic> hybrids in Israel in October 2000. Phytoplasma infection was confirmed by electron microscopy and polymerase chain reaction analysis. To identify the agent of pathogen spread surveys were made of candidate leafhoppers vectors in <jats:italic>Limonium</jats:italic> hybrid crops: one known phytoplasma vector (<jats:italic>Orosius orientalis</jats:italic> (Matsumura)) was present in very large numbers, ≈10-fold greater than any other species; three other known vectors were present in low to moderate numbers (<jats:italic>Circulifer haematoceps</jats:italic> complex (Mulsant et Rey), <jats:italic>C. tenellus</jats:italic> complex (Baker) and <jats:italic>Exitianus capicola</jats:italic> Stål); individual specimens of other vectors were occasionally found. Field collected specimens of these four species were shown to vector phytoplasma to healthy <jats:italic>Limonium</jats:italic> hybrid seedlings; this is the first time <jats:italic>E. capicola</jats:italic> has been shown to be a phytoplasma vector. A laboratory colony of <jats:italic>O. orientalis</jats:italic> was additionally shown to be able to acquire the phytoplasma from infected <jats:italic>Limonium</jats:italic> hybrids and subsequently vector it to healthy seedlings.</jats:p> |
Format: | E-Article |
Quelle: | American Society for Horticultural Science (CrossRef) |
Sprache: | Unbestimmt |