منابع مشابه
Dutch Elm Disease : A Matter of Priorities
A Matter of Priorities Dr. Richard J. Campana, left foreground, participates in tree planting ceremony at 1967 International Shade Tree Conference at Fairmount Park, Philadelphia. Dr. Campana, chairman of the department of botany and plant pathology at the University of Maine and one of the foremost researchers actively searching for new methods of control for Dutch elm disease, is the immediat...
متن کاملStudy on two species of Ophiostoma in relation with Dutch elm disease in Iran
An investigation was carried out in some areas of Golestan Province including: Loveh forest, Soosara, Daland forest park, Tooskestan; Gilan Province including Siahkal and Asalem forests; Arasbaran and landscape of urban trees during 1999–2007. In this investigation, based on some morphological, physiological and molecular characteristics and also comparison with standard isolates two species Op...
متن کاملThe Function of Extracellular Enzymes of Dutch Elm Disease Pathogen.
6 F. Jacob, Virology, 1, 207, 1955. P. E. Hartman, in Symposium on the Chemical Basis of Heredity, ed. W. D. McElroy and B. Glass (Baltimore: Johns Hopkins Press, 1957), p. 408. 8 M. L. Morse, E. M. Lederberg, and J. Lederberg, Genetics, 41, 142, 1956. 9 M. L. Morse, E. M. Lederberg, and J. Lederberg, ibid., 41, 758, 1956. 10 A. Campbell, Virology, 4, 366, 1957. 11 W. Arber, G. Kellenberger, an...
متن کاملSimultaneous induction of jasmonic acid and disease-responsive genes signifies tolerance of American elm to Dutch elm disease.
Dutch elm disease (DED), caused by three fungal species in the genus Ophiostoma, is the most devastating disease of both native European and North American elm trees. Although many tolerant cultivars have been identified and released, the tolerance mechanisms are not well understood and true resistance has not yet been achieved. Here we show that the expression of disease-responsive genes in re...
متن کاملthe role of xylem vessel size and ray traits in dutch elm disease frequency in ulmaceae
dutch elm disease is one of the most destructive and common plant vascular diseases now which isknown as a global problem. the aim of this study was comparison of early- and late-wood vesselsdiameter and ray dimensions. in 4 species: ulmus carpinifolia, zelkova carpinifolia, ulmus glabra andceltis australis from ulmaceae. then, very thin transversal sections were prepared and after differentsta...
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ژورنال
عنوان ژورنال: Nature
سال: 1982
ISSN: 0028-0836,1476-4687
DOI: 10.1038/295641b0