Effects of rootstock on mineral element content in the leaves of two sweet cherry cultivars
Chelpinski, P. | Ostrowska, K. | Mikiciuk, G. | Grajkowski, J. | Ochmian, I.(Akademia Rolnicza, Szczecin (Poland). Katedra Sadownictwa)
In the years 2000-02 leaf macroelement content in two cultivars of sweet cherry: Burlat and Kordia was examined. Trees buded on four kinds of rootstocks (Mazzard seedlings, P-HL B, P-HL A i P-HL C), planted in 1997 with the spacing 4x3 m (on P-HL) and 5x4 m (on Mazzard seedlings) in lessive soil developed from medium loam were compared. Interrows were covered with the sward of grass mixture whereas the rows of trees were under bare fallow. More intensively growing rootstocks, Mazzard seedlings and P-HL B increased the accumulation of calcium and magnesium in the leaves of both cultivars of sweet cherries. The accumulation of potassium in the leaves of both cultivars depended on the rootstock growth vigour. The leaves of Burlat cultivar on Mazzard seedlings contained its smallest amount whereas the highest potassium content was found in Kordia on Mazzard seedlings and P-HL B
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