Growth and cropping of plum trees Felsina, Top and Elena
2007
Cmelik, Z., University of Zagreb, Zagreb (Croatia). Faculty of Agriculture | Druzic, J., University of Zagreb, Zagreb (Croatia). Faculty of Agriculture | Duralija, B., University of Zagreb, Zagreb (Croatia). Faculty of Agriculture | Dugalic, K., Agricultural Institute, Osijek (Croatia)
An investigation on the growth and cropping of plum trees, which were cultivated on heavy soil, was conducted for nine years after planting (1997-2005). The experiment included plum cultivars Felsina, Elena and Top, grafted on rootstocks Fereley Jaspy(R) (P. salicina x P. spinosa) and GF 655/2 (P. insititia), and planted at three densities (3.8 x 1.8, 3.8 x 2.2, and 3.8 x 2.6 m). After nine seasons, vegetative growth, as indicated by trunk cross-sectional area (TCSA), of Felsina was the least vigorous while Top was the most vigorous. Rootstocks had no significant influence on tree growth. Felsina did not yield as expected and was very sensitive to plum pox virus. Top and Elena were precocious and produced high yields. Top showed slight sensitivity, whereas Elena was high tolerant to plum pox virus. In our growing conditions, among cultivars in trial, Elena is the most promising for modern,intensive plum growing because was precocious, productive and gave fruits of good quality.
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