Former frequent wild vines, in France, until the end of the 19th century are rare today, because of phylloxera and parasitic fungi appearances in Europe. Yet, ultimate plants of this keep genetic and phylogenic interest. A modest author’s experience on this subject is recorded. A more precise climatic natural conditions of their old expansion in France is proposed. Some botanic stamples discovered in Nantes Museum dated from 1846 demonstrate the presence of wild vines above the PLANCHON (1887) limit and show natural vegetation possibilities more to the north than the maximum line given by this author. Some wild plants still present in some islands of the Loire river are probably to day inter specific hybrids descendants.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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