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Chestnut blight (Cryphonectria parasitica) in South-west Germany . In 1992 and 1993, chestnut blight (Cryphonectria parasitica) was found in three stands in the south-west of Germany. Each of the three stands has only one compatibility group (vc-group). Two of them (97 and 75 Isolates) belong to the vc-group I. They are compatible with the Swiss vc-group I. The 43 Isolates from the third stand were not compatible with the most common Swiss vc-groups (vc-group I-V). In the German vc-group I, one hypovirulent strain was found. 相似文献
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