Ecological and biological features of the development of introduced species of the genus Abies Mill

Against the background of man-made impact on environment, role landscape architecture increases. Green plantings reduce adverse factors. A special is given to coniferous plants that perform environmental-improving functions all year round. The collection VNIISPK arboretum includes more than 310 species, forms and varieties woody representing 31 families. most numerous family Pinaceae 5 genera, one which genus Abies Mill. purpose study a comprehensive assessment ecological biological features different origin justify success introduction in conditions Central Chernozem region Russia. All studied species have high winter hardiness central part Russia.A. balsamea, A. concolor, fraseri, lasiocarpa, sibirica were resistant infectious diseases. alba, nephrolepis, sachalinensis veitchii showed resistance pests. According results 9 introduced Abies, three highly decorative genotypes North American origin, complex environmental factors, identified: fraseri.