Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract Full Text

The monitoring of the state of introduced woody plants in Alytus city recreational green areas.

Abstract

During the state monitoring of introduced woody plants (41 genera, 60 species, 20 cultivars, 1 variety) in 2009-2017 at Alytus city green areas (6 parks, 4 squares) there was established 45% of plants belonging to 27 genera, 33 species, 11 cultivars to be undamaged. Damages of physiological origin (defoliation, dechromation, dry branches) were found a few - on plants of 9 genera, 10 species and 1 variety were found to be injured by 0-1.89±0,1 grades. 39% of plants belonging to 14 genera, 27 species, 9 cultivars were injured by fungal diseases agents and pests by various grades. 17 genera, 23 species fungal disease agents injured by 0-3 grades and pests of 11 genera and species done damage by strength of 0-2.88 grades. Cameraria ohridella have done the strongest damage on chestnut trees (0.36±0.06-2.88±0.1). Injuries had no influence on plant state. These were decorative plants.