Estimation of adaptability in different pear genotypes on morpho-anatomical and physiological state of leaves

During 2005-2008 years in the conditions of various water saturation (experimental plantations of All-Russian Scientific Research Institute of Gardening and Subtropical Cultures, Sochi) the author studied the morphological, anatomical and physiological features, and also pigmental composition and leaves water saturation in the pear varieties of different ripening. According to these determinants the varieties were revealed, which have great potential for cultivation on Russian Black Sea coast.