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Congrès: Fourth meeting on Noble hardwoods network, Gmunden, AUT, 4-6 September 1999 |
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E. Collin ; CEMAGREF NOGENT SUR VERNISSON RGNO ; Fourth meeting on Noble hardwoods network, Gmunden, AUT, 4-6 September 1999 | Rome, ITA : International plant genetic resources institute | 2002The two Dutch elm disease (DED) pandemics that spread across Europe this century have caused dramatic mortality in elm populations, and the disease still represents a great threat for each individual elm tree. However, the statement that `elms a[...]