Agriculture and forestry

Verheles Pavlo Mykolayovych – Candidate of Agricultural Sciences, Associate Professor of the department of botany, genetics and plant protection, Vinnytsia National Agrarian University (21008, Vinnytsia, 3 Solnyschnaya St., e-mail: pasha425@vsau.vin.ua).

Gumeniuk Oleksandr  – PhD student at the Department of Botany, Genetics and Plant Protection of the Vinnytsia National Academy of Sciences. Address: 21008, Vinnytsia, 5/42 Solnechna St., e-mail: gav2@bio-group.net, 0687134199).

During the three-year research cycle, a comprehensive monitoring of the number of the main species groups of tomato pests in closed ground under drip irrigation was carried out. A summary table of the identified structure of the dominant entomocomplex of a high-intensity tomato variety was formed and the interannual variation in the number of pests was estimated, a range of pest dominance was formed under the conditions of the applied tomato growing regimes in the greenhouse, taking into account the local entomocomplex of pests within the adjacent territories. Three main protection systems have been identified and formed according to the orientation of the classical industrial system with a set of recommended chemical preparations and two variants of the biologically oriented protection system and domestic products with a complex of biological active substances and related components of bioorganic origin. This made it possible to assess the potential of the variant alternative for designing a tomato protection system in a closed ground. The long-term effectiveness of the use of certain protection systems in relation to the number of such pests as greenhouse or peach aphids (Myzodes persicae Sulz), greenhouse whitefly (Trialeurodes vaporariorum Weswood), tobacco thrips (Thrips tabaci Lind.), common spider mite (Tetranychus urticae Koch.) was evaluated by biological effectiveness indicators. The assessment was accompanied by the formation of the general dynamics of the pest population by years of observation with the indication of the standard deviation for the period of completion of tomato fruit formation (BBSN 77-80). The nature of the severity of pest resistance to the applied active substances was generalized on the basis of a comparison of biological effectiveness, on the basis of which it was concluded that the effective tactics of bioinsecticides according to the criterion of reduced resistance effect is on average 1-4% lower than for the variant of using chemical active substances in classical insecticides in the control of tomato pests in the long-term permanent variant of their phenostage use. The generalizations and conclusions on the economic efficiency of the studied tomato protection systems are made in view of the prospects for the transition to bioorganic and biological insecticidal preparations in the design of integrated and combined variants for the conditions of general biologization of tomato growing technologies in Ukraine.

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