THE NATURE OF THE DAMAGE TO THE LEAF BLADES OF BERLIN POPLAR (POPULUS × BEROLINENSIS) BY LARVAE OF THE POPLAR MOTH (PHYLLONORYCTER POPULIFOLIELLA) IN THE CITIES OF BELARUS

UDC 595.782:632.782(476-21)

Sinchuk Nadzeya – PhD student, the Department of Zoology. Belarusian State University (4, Nezavisimosti Ave., 220030, Minsk, Republic of Belarus). E-mail: n.v.sinchuk@gmail.com

Buga Sergey – DSc (Biology), Professor, Head of the Department of Zoology. Belarusian State University (4, Nezavisimosti Ave., 220030, Minsk, Republic of Belarus). E-mail: sergey.buga@gmail.com

DOI: https://doi.org/10.52065/2519-402Х-2023-270-2-12 (In Russian).

Key words: green stands, leaf-mining insects, pests of ornamental plants, damage level, Gracillariidae.

For citation:  Sinchuk N., Buga S. The nature of the damage to the leaf blades of Berlin poplar (Populus × berolinensis) by larvae of the poplar moth (Phyllonorycter populifoliella) in the cities of Belarus // Proceedings of BSTU, issue 1, Forestry. Nature management. Processing of Renewable Resources, 2023, no. 2 (270), pp. 100–109. DOI: 10.52065/2519-402Х-2023-270-2-12 (In Russian).

Abstract

Poplars (Populus spp.) were widely used in landscaping settlements in the post-war period in Belarus. In some cities there are plantings of different types and forms of poplars of different ages, characterized by different resistance to diseases and pests. The poplar moth (Phyllonorycter populifoliella Treitschke, 1833) is the one of the main pests of poplars, which is characterized by regular outbreaks of mass reproduction, which lead to the loss of aesthetic value of poplar plantings. The Berlin poplar (Populus × berolinensis (Koch) Dippel) has a limited distribution in Belarus, and is damaged by this pest in some cities. In 2021–2022 studies of the damage to the leaf blades of Berlin poplar P. × berolinensis at the end of the development of the first and second generation of larvae of poplar moth Ph. populifoliella in Belarus were carried out. The total relative area of the damaged leaf blades of Berlin poplar in Vitebsk was 32,18% in 2021 and 65,88% in 2022, in Minsk – 96,62 and 85,17%. Statistically significant (p < 0,05) differences in the damage to the leaf blades, as well as the average number of mines on them, were noted.

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15.03.2023