2019•POMICULTURE & SMALL FRUITS CULTURE IN RUSSIAOpen access
STUDY OF LEAF AREA OF RASPBERRY ACCESSIONS
И. В. Алексеенко
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Abstract
The results of comparative study of some peculiarities of the leaf area formation of 7 floricane raspberry varieties and 7 primocane raspberry genotypes are presented. An evaluation of the total leaf area and specific surface density of leaves in the period of ripening of berries has been conducted. As a result it is established, that the total leaf area of primocane raspberry varieties was on average 1.61 sq. m. The total leaf area of floricane raspberry varieties was higher than that of primocane raspberry varieties, and this indicator was on average 2.77 sq. m. The specific surface density of leaves of floricane raspberry varieties was lower than that of primocane raspberry varieties and was on average 0.69 g/sq.dm, while the primocane raspberry varieties the specific surface density of leaves was on average 0.69 g/sq. dm. Primocane raspberry variety Poklon Kazakhovu and floricane raspberry varieties Gusar, Shosha have been distingished by their relatively high values of the studied parameters.