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KMID : 0903619990400030392
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 3 p.392 ~ p.394
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Effect of NAA, IBA and IAA on Rooting of Syringa velutina Miss Kim Stem Cuttings
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Abstract
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Softwood stem cutting of ´Miss Kim´ lilac, which is dwarf type of ornamental shrub derived from Syringa velutina native to Korea, were cut on mid-May, and treated with varied level of NAA, IBA and IAA by solution dip method. Among NAA concentrations and dipping durations, the best survival rate and percent rooting were attained 50 ㎎·L^(-1) with 3 seconds. And 100% rooting of the cutting was achieved 100 to 2,000 ㎎·L^(-1) IBA and 2,000 ㎎·L^(-1) IAA with 3 seconds basal dip treatment. Root number and length were markedly increased by 50 ㎎·L^(-1) NAA, 2,000 ㎎·L^(-1) IBA and IAA with 3 hours basal dip treatment, respectively. Stem cutting of ´Miss Kim´ lilac had the best percent rooting at 10 to 2,000 ㎎·L^(-1) IBA with 3 seconds, and had the most number and root length at 1,000 to 2,000 ㎎·L^(-1) IBA with 3 hours treatment.
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