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Effect of Cutting Time, Cultivation Media and Growth Regulators on Rooting of Weigela subsessilis L. H. Bailey cuttings  

Lee, Hee-Doo (Chungbuk Provincial ARES)
Kim, Si-Dong (Chungbuk Provincial ARES)
Kim, Hak-Hyun (Dept. of Horticulture, Chungbuk National University)
Lee, Jong-Won (Chungbuk Provincial ARES)
Kim, Ju-Hyoung (Chungbuk Provincial ARES)
Yun, Tae (Chungbuk Provincial ARES)
Lee, Cheol-Hee (Chungbuk Provincial ARES)
Lee, Cheol-Hee (Dept. of Horticulture, Chungbuk National University)
Publication Information
Korean Journal of Plant Resources / v.15, no.3, 2002 , pp. 269-278 More about this Journal
Abstract
To establish the mass propagation methods of Weigela subsessilis,, a promising native plant species for horticultural use, several factors influencing rooting from stem cuttings were evaluated. Softwood cuttings showed best rooting rate, 70~77%, in all the cutting media tested, 2.8 times more than hardwood cuttings in which perlite was best medium. The rooting from hardwood cuttings was promoted by higher concentration of all growth regulators used,500 mg.L$^{-1}$ NAA being the best with 80%. More than 80% of softwood cuttings treated by growth regulators produced roots, especially 100, 500, and 1000mg.L$^{-1}$ NAA producing 97％. Roofings from semi-wood cuttings was enhanced by all the growth regulators, except 1000 mg.L$^{-1}$ concentration in which rooting was reduce. Higher rooting rate was obtained by higher concentration and longer soaking duration of NAA in case of hardwood cutting. Softwood cutting showed 100 ％ rooting by soaking treatment with 500 mg.L$^{-1}$ NAA for 3 min. Rooting rate of semi-hardwood cuttings was promoted by higher concentration and longer soaking with growth regulators, However, the degree of improvement was lower than soft and hardwood cutting.
Keywords
hardwood cutting; softwood cutting; semi-wood cutting; NAA; IAA; IBA;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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