[Bunch flowering and ending. The Botrytis lies in ambush [vitis - Italy]]

application date azote azoto bilan hydrique bilancio idrico botrytis cinerea composti organici del rame concimi a lento rilascio control de plagas controllo dei parassiti damage danno date d'application engrais retard environmental factors epoca di trattamento european union facteur du milieu factores ambientales fattori ambientali fertilisation fertilizer application folpet grapes infestation infestazione italia italie italy lutte antiravageur nitrogen organocopper compounds pest control poda potatura pruning raisin reglamentaciones regulations slow release fertilizers taille unione europea uva vitis water balance