Elemente de combatere integrată a bolilor rapiţei de toamnă

Abstract

This work presents the results of the research concerning the determination of the flora fungus parasite of the rape (Brassica napus var. oleifera) in the conditions of the Republic of Moldova, the elaboration of some elements concerning integrated control from diseases, the testing and the registration of some new phyto - pharmaceutical preparations with fungicide action. As a result of this investigation, it was proved that the most prevalent diseases in rape’s crop are white rot, phoma leaf spot or black - leg, alternariose or dark leaf spot. The biological efficiency of the treatments with Folicur EW 250 against the most important and catching diseases of winter rape was at a high level and varied between 69,0 – 91,7%. In favorable conditions for the development of these diseases, the first treatment is done in autumn, two weeks after the plants rise and the second treatment is done in spring before the plants blossom