Features of development of a balsam poplar (Populus balsamifera L.) in conditions of pollution of an environment by metals

In this work is submitted a comparative estimation of a relative vital condition of balsam poplar spreadings of a sanitary-protective and green zone of Ufa and Sterlitamak as most polluted cities of Republic Bashkortostan, the changes of breath, growth, morphological features, contents of pigments and damages of leaves are revealed, and also formation and development of root system of a poplar on a background of the increased contents of metals in vegetative substratum, is investigated comparative phytotoxity of some metals on changes most important morphophysiological parameters of plants, phytotoxity line of some metals in relation to a poplar are made.