Physiologo-biochemical characteristics of the apple  plants photosynthetical activity in intense orchards of various constructions

UDC 581.132:57.017.3

Physiologo-biochemical characteristics of the apple (Malus domestica Borkh.)  plants photosynthetical activity in intense orchards of various constructions / Nenko N.I., Kisyelyova G.K., Karavayeva A.V. // Sadivnytstvo (Horticulture). 2012. 66. P. 222-229. Refs.: 5 . in Russian

The peculiarities of the apple cultivars Zarnitsa, Din Art Idared, Symyrenkivets on the rootstock M. 9 photosynthetic activity were studied in intense orchards with various constructions. On the basis of physiologo-biochemical and anatomo-morphological values the authors have determined that cvs Zarnitsa, Din Art (NCRRIHV breeding) and the introducad one Symyrenkivets (Ukraine) adapt better to drought in more tense orchard and Idared (USA) in a densed one. The optimum construction of intense orchards for Idared is more densed (crown-row, planting plan 4.0 x 0.6 m), for Symyrenkivets tense (4.0 x 1.2 m, crown fan-like).
2 Tabl., 5 Fig.

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