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http://dx.doi.org/10.23097/JPAF:2022.24(4).35

Effects of Shading Rate, Rooting Media and Plant Growth Regulators on Rooting of Veronoca L. by Cuttings  

Cheon Young, Song (Department of Horticulture, Korea National University of Agriculture and Fisheries)
Ja Young, Moon (Department of Horticulture, Korea National University of Agriculture and Fisheries)
Jung Won, Sung (Department of Crops and Forestry, Korea National University of Agriculture and Fisheries)
Byeong Seon, Park (Division of Garden material Research, Sejong National Arboretum)
Jae Ik, Nam (Division of Garden material Research, Sejong National Arboretum)
Jeong Min, Kim (Division of Garden material Research, Sejong National Arboretum)
Publication Information
Journal of Practical Agriculture & Fisheries Research / v.24, no.4, 2022 , pp. 35-44 More about this Journal
Abstract
This study was conducted to develop a mass production for a commercial use by cutting of 4 kinds of V. glabrifolia Kitag., V. pusanensis Y.N.Lee, V. glabrifolia Kitag. × V. Spicata 'Alba' and V. spicata 'Ulster Blue Dwarf' × V. longifolia. Veronica L. Effects of shade, media and concentrations of plant growth regulators on the rooting of Veronica L. were examined. The rooting rate of V. glabrifolia Kitag. was higher as a 60% than the V. pusanensis Y.N.Lee as a 20% in the control of commercial media. In shading treatment, the rooting rate was highest at 30% or 60% shading, and the 30% shading was the best in number of root and root length, but the 90% shading was lower than no shading treatment. For cutting media, the rock wool and 100% perlite increased the rooting rate by more than 10% compared to commercial media, and increased the number of roots by 2 or 3 times. However the Cocopeat of media was lower of rooting rate, root number, and root length compared to another treatment. In the plant growth regulator treatment, the rate of rooting increased in all treatment compared to control, and was highest at IBA 1,000mg·L-1 as a 82.2% and NAA 200 or 400mg·L-1 as a 82.2% or 84.4% respectively, in the V. glabrifolia Kitag. × V. Spicata 'Alba'. However, the root number and root length was decreased as the concentration of growth regulators increased.
Keywords
Commercial media; Rock wool; Perlite; IBA; NAA;
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Times Cited By KSCI : 2  (Citation Analysis)
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