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Bacteria necrosis

The causative agent of this vine disease is the native of the Middle East bacterium Xylophilus ampelinus (formerly Xanthomonas ampelina). It is one of the many types of proto bacteria that are known as the cause of many plant diseases. The objective is up vines specializes in the species Vitis vinifera. Symptoms usually manifest after 3 to 4 weeks exaggerated and stalks and after 10 to 14 days Scroll, They first appear as reddish brown stripes before they crack in the wood structure and necrotic Tissues. After that, the shoots wither and dry out before eventually dying. In case of infection before blossom These typically develop a black color before they die and fall to the ground. Root symptoms are rare. The bacterium prefers moist and wet conditions. So far there were occurrences in Greece. France. Germany, the Turkey and in areas South Africa,

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