Analysis of chlorophyll “a”, “b”, and carotenoids in leaves of oriental maple, biota, common oak, and chestnut trees resistant to harmful substances emitted by motor vehicles in Tashkent city

Abstract

The work is devoted to the composition of the atmospheric air on the main streets, the level of traffic on these streets, the selection of resistant species of phenol trees for growing ornamental trees, and the laws of changing the number of pigments in these trees depending on the streets and season in the Republic of Uzbekistan. At the same time, the types of ornamental trees and their resistance to pollution from the pollution of carbon dioxide, nitrogen oxides, and sulfur dioxide are mainly represented by atmospheric air pollution.