The role of nectariferous plants in the attraction of coccinellids (Coleoptera: Coccinellidae)

  • Ya. Medvid National University of Life and Environmental Sciences of Ukraine
Keywords: Coccinellidae, entomophage, nectariferous plants, spring wheat, species composition

Abstract

Goal. To evaluate the role of nectarines in attracting coccinellid in the agrocenosis of spring wheat.

Methods. Field experience on the effect of nectarines to attract coccinellid; accounting ladybirds on the plot of nectarines and sowing of spring wheat in accordance with standard methods; laboratory — determination of species composition of ladybirds. The study was conducted in the 2017—2019 years. at the experimental field of the National scientific center «Institute of agriculture of NAAS of Ukraine» in the Department of plant protection against pests and diseases (Kiev region, Kiev-Svyatoshinsky district, town Chabany).

Results. Updated the species composition of coccinellid in modern conditions on nectarines. Identified eight types of ladybirds, among which Coccinella septempunctata Linnaeus, 1758 and Hippodamia variegata Goeze, 1777 are the dominant species. Reflected seasonal population dynamics of ladybirds. Identified a high effect of attracting coccinellid on the dill, where their average number was much higher than on some other options. Given the average number of ladybugs on spring wheat during the accounting period.

Conclusions. Considering the useful role of representatives of the family Coccinellidae (Latreille, 1807) on crops, it is necessary to improve the practical use of entomophages and engaging coccinellid in agrocenoses with overseeding nectarines. Culture that attracts the entomophagous defined by dill (40.0 specimen/100 sweep net). More diverse species composition was observed coccinellid on Vick spring (six species). The average number of ladybirds over the growing period of spring wheat amounted to: land adjacent to nechernozeme to 16.7 ind./100 sweep net, control of 9.4 ind/100 sweep net. Such an advantage underscores the need of interplanting of plants that attract coccinellid in agrocenoses.

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Published
2020-03-19
How to Cite
Medvid , Y. (2020). The role of nectariferous plants in the attraction of coccinellids (Coleoptera: Coccinellidae). Quarantine and Plant Protection, (1), 13-15. https://doi.org/10.36495/2312-0614.2020.01.13-15