Abstrakt
The aim of carried out research was comparing the effect of different pruning time on cropping and fruit quality of several early ripening plum cultivars. The experiment was conducted at Fruit Experimental Station – Samotwór near Wrocław in 2001–2004. Objects of studies consisted of 8 year-old plum trees of ‘Herman’, ‘Čačanska Rana’, ‘Sanctus Hubertus’ and ‘Čačanska Lepotica’ cultivars budded on ‘Myrobalan’ seedlings (Prunus divaricata). The experiment was established in a randomised block design in three replications with six trees per plot. In 2001–2003, time of tree pruning was differentiated. Half of trees was pruned only at the end of August (summer pruning after harvest of fruit) and the other one only at the end of March (dormant pruning before blooming time). Time of pruning had no influence on yielding and chemical composition of fruit. Soluble solids, vitamin C, magnesium, calcium, potassium and phosphorus contents in fruit were similar independently of pruning time. Mean fruit weight was significantly higher from trees with dormant pruning.
Bibliografia
Blažek J., Vávra R., Pištěková I., 2004. Orchard performance of new plum cultivars on two rootstocks in a trial at Holovousy in 1998–2003. Zahradnictvi 31(2), 37–43.
Lipecki J., Janisz A., Szember E., Sienkiewicz P., 2001. Chemical composition of several plum and prune cultivars. Zesz. Nauk. ISiK – Skierniewice 9, 243–250.
Mika A., 1986. Physiological responses of fruit trees to pruning. Hort. Rev. 8, 337–369.
Mika A., Buler Z., Chlebowska D., 1999. Effect of planting density and training system on growth and fruiting of plum trees grafted on vigorous and semidwarf rootstocks. J. Fruit Ornam. Plant Res. 7(2), 61–69.
Mika A., Piątkowski M., 1988. Controlling tree size in dense plantings by winter and summer pruning. Acta Hort. 243, 95–102.
Morgaś H., Mika A., Gawałkiewicz H., 1998a. Wpływ podkładki, gęstości sadzenia i terminu cięcia na wzrost i owocowanie śliw. Zesz. Nauk. AR w Krakowie 333, 525–528.
Morgaś H., Mika A., Konopacka D., Gawałkiewicz H., 1998b. Controlling size of plum trees by summer pruning, root pruning, and growing trees in polypropylene containers. Acta Hort. 478, 249–253.
Morgaś H., Mika A., Krzewińska D., Grzywacz W., 2004. The effects of pruning time on the development of plum trees. III. The influence of pruning on yield and fruit quality. Zesz. Nauk. ISiK – Skierniewice 12, 121–128.
Rozpara E., Grzyb Z.S., 1998. Growth and yielding of some plum cultivars grafted on Wangenheim Prune seedlings. Acta Hort. 478, 91–94.
Sitarek M., 2001. Stare i nowe podkładki generatywne dla śliw. Szkółkarstwo 3, 12–14.
Sosna I., 2000a. Ocena wartości produkcyjnej kilkunastu odmian śliw w południowo-zachodniej Polsce. XX Międzynar. Semin. Sadow. Limanowa, 99–109.
Sosna I., 2000b. The influence of pruning time on growth, yield and fruit quality of semi-dwarf apple trees. Zesz. Nauk. ISiK – Skierniewice 8, 31–37.
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