2. Articole

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Start date: 2023Subject: search.filters.subject.nectariferous plants

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    Hibernating arthropods’ complex in the plum tree orchard under the influence of green manures and nectariferous plants [Articol]
    (Editura USM, 2025) Iordosopol, Elena; Batco, Mihail; Eliseev Serghei; Fron, Arcadie; Filimon, Valeriu; Iordosopol, Valentina; Fron, Argentina; Muntean, Elena
    The work represents the highlighting of the arthropod complex, which populates and hibernates in the cardboard trap belts of the plum orchard influenced by green manures and nectariferous crops. This complex is composed of phytophagous, saprophagous, predators and parasites. In the trapping belts, polyphagous species of five families of spiders dominated, which constituted an average of 33.5% of the total individuals highlighted, and coccinellids (seven species) - an average of 6.5%. The parasitoid Scambus inanis achieved a degree of parasitism of moth larvae in average 29.4%. The highest percentage was recorded in the standard and experimental variants (46.0% and 35.3%) respectively.
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    EFICIENȚA UTILIZĂRII ATRACTANȚILOR NATURALI PENTRU A ATRAGE ȘI REȚINE ENTOMOFAGII ÎN PLANTAȚIILE CULTURILOR FRUCTIFERE SÂMBUROASE
    (CEP USM, 2023) Batcu, Mihai; Iordosopol, Elena; Sumencova, Victoria
    The prospects of using a natural attractants like methyl salicylate (MeSa) to attract and retain entomophages in the agrocenosis of a peach orchard during the growing season have been demonstrated. The presence of such substances increased their total number by 2.0 times compared with the control. Parasitic hymenoptera from the families Encyrtidae, Scelionidae, and Mymaridae were found to be attracted with its help by an average of 2 times, Trichogrammatidae – 4.0 times more compared to the control. The effectiveness of using MeSa increased if additional nutrition for entomophages was added to the agrocenosis by spraying trees with a solution of a protein-carbohydrate mixture, as well as the presence of nectar-bearing plants. The number of parasitic hymenoptera in the experimental area in this case increased by an average of 2,5-3 times. This was also accompanied by a reduction in damage by the plum codling moth Grafolita funebrana Tr., the eastern codling moth Grafolita molesta Busck and the fruit striped moth Anarsia lineatella Zeller.