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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.

Structure of elements productivity introgression cultivarsand lines of spring soft wheat of the Saratov selection

Authors: Ilyin N. S., Gagarinsky E. L.

Within two years differing on weather conditions, the structure of a crop of spring soft wheat was studied. Comparison introgression grades and lines with genetically homogeneous grades has shown their approximate similarity on number of lateral shoot. The length of a stalk made on years of vegetation of plants from 469 to 605 mm, length of an ear − from 63 to 90 mm. The share of an ear from length of shoot varied from 10.9 to 14.6 %. The number of cones of an ear on the average for 2 years of studying made from 12.4 to 14.4 pieces.