Published in Scientific Papers. Series B, Horticulture, Vol. LXVII, Issue 2
Written by Zsolt JAKAB-ILYEFALVI, Larisa-Daniela VLAŞIN, Anca Maria CHIOREAN, Smaranda ROŞU-MAREŞ
The research revealed some important initial vegetative and generative characteristics and tendencies in the early years of development of Wilton's Red Jonaprince Select Eco ® /B9 (WRJSE) and Golden Reinders/M9 (GR) cultivar-rootstock combinations in a field trial located at FRDS Bistrita, Northern Transylvania in a high density drip irrigated orchard. The strongest vegetative growth was observed in Wilton's Star Red Jonaprince Select ECO®/B9 in comparison with Golden Reinders/M9 but on the other hand being young trees at early stages of development the before mentioned cultivars gave similar results regarding trunk cross sectional area, tree height. The highest generative bud ratio was found at GR, highest crop load was found on GR while the highest number of fruit per tree was found in GR and the highest fruit diameter was found on WRJSE in comparison with GD. Being in the first years of development the obtained yield/tree had close values ( .99 kg/tree at WRJSE and .95 kg/tree at GD), thus yielding a total production of 2.44-2.49 to/ha at WRJSE and GD.
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