Genotypic changes in an aspect of plant adaptation ability

Genotypic aspects of plant adaptation was analyzed. Many researches came to conclusion, that modern natural habitats do not represent potential adaptation abilities of plants. It is confirmed by long-term experience of introduction of arboreal plants in Carpathians and Western Podol'e. Supposition, that information is coded in the ge notype of plants, which is decrypted in stress si tu ations are shown.