stem Warning message Node revision 1465 not found in node Cultivar features of morphogenesis of winter rye seedlings. Perharps it was deleted. The influence of rootstock on the growth and development of the shoot part yearlings saplings pear Authors: Spivak V. A., Spivak N. A., Grabenko A. P. The paper presents the results of studying the influence of five local rootstocks differing life form and degree of development of the tissues of the stem, on the growth and development of the cane part yearlings pears.