Abstract
In this study, the rooting abilities of semi-hardwood cuttings from 8 Arbutus unedo L. (strawberry tree) types were evaluated. For this purpose, cuttings were taken at two different vegetation periods in July and November. The collected cuttings were treated with IBA (2, 4, 6, 8 and 10 g/l) and placed into a misting system in July and bottom-heated system in November in the greenhouse. The rooting rate, survival rate and root quality were determined during the study. The cutting collection period significantly affected rooting ability, and according to the results obtained the best rooting performance was obtained with July cuttings except for types 1 and 8. There were differences among the A. unedo L. types in rooting ability; Type 4 had the highest rooting rate (87.01% in July and 70.71% in November) among the types studied. The percentage of rooted cuttings ranged from 0% to 100% for the control and IBA treatment for both periods and cuttings taken in November required higher concentrations of IBA for rooting than cuttings taken in July. The survival rate of cuttings varied according to type in the acclimatization stage, the best types being type 3 and type 4. July cuttings of all types obtained shoots in the rooting media.
Highlights
In this study, the rooting abilities of semi-hardwood cuttings from 8 Arbutus unedo L. types were evaluated
The survival rate of cuttings varied according to type in the acclimatization stage, the best types being type 3 and type 4
Survival rates of type 1 cuttings were high in July but rooting rate, root length and root number were higher in November according to average values
Summary
The rooting abilities of semi-hardwood cuttings from 8 Arbutus unedo L. (strawberry tree) types were evaluated. For this purpose, cuttings were taken at two different vegetation periods in July and November. Sulusoglu, Cavusoglu and Erkal (2011) evaluated pomological and chemical characteristics of 37 types of A. unedo L. in Samanli mountain locations in Marmara region of Turkey and according to the results; five types were selected as being superior. Vegetative propagation of these selected types is necessary to provide material for commercial use and orchard design and to reduce the natural habitat degradations. The wild growing genetic material will be protected, an alternative fruit crop will be obtained for growers, and abundant high quality fruits will be supplied to consumers
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