Browsing by Author "Popa, Alexei"
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Item BIOLOGICAL EFFICACY OF THE NEEM OIL FOR THE CONTROL OF APHIS GOSSYPII(CEP USM, 2022-09-29) Gusan, Ana; Tretiacova, Tatiana; Popa, Alexei; Gladcaia, AllaItem EFECTUL STIMULATOR AL COMPUŞILOR COORDINATIVI AI CROMULUI(III) ASUPRA PRODUCTIVITĂŢII SPIRULINEI(CEP USM, 2007) Rudic, Valeriu; Gulea, Aurelian; Bulimaga, Valentina; Ciumac, Daniela; Ciornea, Valeriu; Zosim, Liliana; Popa, AlexeiThe action of some coordinative compounds of Cr(III) on Spirulina strain growth and development has been studied. High stimulation action of K2[Cr(NTA)(C2O4)(H2O)]·2H2O and [K2Cr2(SO4)4]·12H2O on Spirulina productivity has been established.Item EFFECTIVENESS OF CARBECOL IN PREVENTING AND COMBATING POWDERY MILDEW ON VINE(CEP USM, 2022-09-29) Popa, Alexei; Todiraş, Vladimir; Gusan, AnaItem Eficacitatea sulfului SC în combaterea făinării la vița de vie în agricultura ecologică(CEP USM, 2024) Popa, Alexei; Todiraș, Vladimir; Tretiacova, Tatiana; Gușan, AnaThe purpose of the research was to determine the biological effectiveness of the product based on liquid sulfur as a fungicide in the prevention and control of powdery mildew (Uncinula necator) in grapevines. The product based on liquid sulphur, which meets the requirements for organic farming, with doses between 3.0-4.0 l/ha, in the climatic conditions of 2024, has been shown to be 92% effective at the level of the chemical standard Kumulus DF in the prevention and control of powdery mildew (U. necator) in grapevines. The data obtained are preventive and research will continue.Item EVALUATION OF SOPHORA FLAVESCENS EXTRACT FOR COMBAT THE RED MITE (TETRANYCHUS URTICAE) TO THE TOMATO CROP IN GREENHOUSE(CEP USM, 2022-09-29) Savranschii, Denis; Gușan, Ana; Tretiacova, Tatiana; Popa, Alexei; Todiraş, Vladimir