Fall in vines , the leaves fall and the branches turn brown, the vines enter a period of well-deserved rest. The leaves begin to fall, this is the start of vegetative rest from the vine.
You should know that the vine stocks its reserves from mid-August , It is the august (transformation of twigs into real wood). The sap begins to descend and the reserves will accumulate in the roots. This phase lasts until mid-November.