2. Articole

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    Method of activating entomophages and pollinators hymenoptera order natural populations with the aim of increasing the agrosystem productivity [Articol]
    (Editura USM, 2025) Gladcaia, Alla; Chisincean, Lilia
    Insects provide important ecosystem services of great economic value. We investigated a method for activating of entomophages and pollinators of Hymenoptera order natural populations ("field breeding"), consisting of a combination (synergy) of overseeding spice plants and placing Fabre hives nearby the fruit garden. The objects of the study were entomophages and pollinators of the Hymenoptera order. The experiment was conducted in three different biotopes: an apple orchard near a forest belt, a collection of spice plants near a pear orchard, and a field of Miscanthus sinensis. The maximum number of Megachilidae bee nests were found in artificial dark-colored shelters: made of cylindrical dark plastic (70,8%), and deltoid dark cardboard (20,8%). The bees preferred to build nests in the agrocenosis of the pear orchard nearby a plot of spice plants (91,7%). It has been established that the optimal strategy for the method of entomophage’s activating consists of combining a variety of different family’s spicy plants and ensuring continuous flowering (conveyor).
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    Biological protection of plants: ontological approach
    (CEP USM, 2024) Chernova, Irina
    The article is devoted to the ontological analysis of the processes of production of entomophages for biological plant protection. Research methods – system analysis, approach based on ontologies. Known studies on the use of ontologies in agriculture are analyzed. Ontologies of technological processes of production of Aphidoletes aphidimyza and Chrysoperla carnea have been developed. The advantages of the proposed approach for biological protection of plants are given.
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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.