Peculiarities of the contents of main photosynthesis pigments in balsam poplar (Populus balsamifera L.) leaves during the vegetative period at the territory of Ufa city

The peculiarities of contents of main photosynthesis pigments in Balsam poplar during the vegetation period in Ufa are studied. Influence of pollution on amount of main pigments and their ratio in Balsam poplar leaves are marked. It is established that with increase the pollution increases deviations from control values. During the vegetation period the tendency to increase general content of pigments in zone with less pollution is observed.