Aggressive Strain of Ceratocystis ulmi in Britain
Autor: | H. M. Heybroek, F. W. Holmes, J. N. Gibbs |
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Rok vydání: | 1972 |
Předmět: | |
Zdroj: | Nature. 236:121-122 |
ISSN: | 1476-4687 0028-0836 |
DOI: | 10.1038/236121a0 |
Popis: | DUTCH elm disease has been present in Great Britain for more than fifty years, but apart from heavy attacks in the 1930s it has generally been an endemic problem of no great importance, twig and branch infection being frequent but trees rarely dying1. |
Databáze: | OpenAIRE |
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