Abstract:
This article presents the testing results of biological efficiency of preparations such as MCW – 733, EC and MCW – 1233, EC as a fungicide for a winter wheat against fungi Erysiphe graminis, Puccinia recondita and Helminthosporium tritici-repentis. It was proved that preparations MCW – 733, EC and MCW – 1233, EC control the infections and development of wheat leaf rust, powdery mildew and helminthosporioze. Due to obtained results the homologation of plant protection products MCW – 733, EC (1,6 l/ha) and MCW – 1233, EC (2,0 l/ha) is suppested in the Republic of Moldova and their including in the protection system of winter wheat, two treatments in a vegetation period. The first tretment is done in the middle phase of twinning, and the second one in the period of leaf appearing from the sheath – the middle phase of blossam.