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The objective of the paper was to investigate the presence of calcium oxalate crystals in the roots of grapevine Merlot/Kober 5BB from Murfatlar Vineyard, and their correlation to the high content of total and active calcium carbonate in soil, inherited from the parent material. Calcium oxalate is a bio-mineralization major product that formed in the superior plants (like the grapevine - Vitis vinifera), occurring as crystals of various shapes (druses, raphides, envelopes, etc.) and supposing to have also various ...

On the last two years, there was carried out some research work on the medicinal plants from wild flora. All the research was done on the area of Nera river basin because this region is a protected area and has a very large biodiversity. As far as we know on this area there are over 1000 species of superior plants classified on 98 families. One of this plants growing on this region is Oenothera biennis. One of this plant pathogens is powdery mildew produced by one of Erysiphe genus species. Regarding to the work m...