THE EFFECTS OF THE TREATMENT WITH FUNGICIDES ON THE PHYSIOLOGICAL PROCESSES IN VITIS VINIFERA L. ATTACKED BY UNCINULA NECATOR (SCHW.) BURR. PATHOGEN
The effects of treatment with fungicides on the physiological processes were observed in Vitis vinifera L. plants cultivated in the climatic conditions in Oltenia region.The physiological analyzes were performed on July 18th 2021, both for plants treated with Dithane M-45 (0,2%), in four phases, at 12 days interval and also for the plants attacked by Uncinula necatorÂ (Schv.) Burr. in which treatments have not been performed. In the Vitis vinifera L. plants attacked by Uncinula necatorÂ (Schv.) it was observed that the physiological processes intensity is lower as a result of the reduction of the assimilation surface due to the covering of the leaves with the mycelium of the fungus, the appearance of whitish spots and the browning of the tissues, in comparison with the plants in which fungicide treatments have been performed.