Rooting Performance Using Cuttings and Analysis of Light and Soil Environmental Characteristics for Indoor Plants of Winter Daphne (Daphne odora Thunb)
2011
Ro, N.Y., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea | Ko, H.C., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea | Hur, O.S., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea | Kang, M.J., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea | Oh, S.J., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea | Huh, Y.C., National Agrobiodiversity Center, RDA, Suwon, Republic of Korea
This research was done to identify the mass propagation method in winter daphne (Daphne odora Thunb) using its softwood cuttings and to investigate its plant characters established at different light and soil conditions as an indoor plant. Cuttings from winter daphne were taken and grown in different treatment consisted of rooting media (perlite, vermiculite, perlite + vermiculite (1 : 1) and commercial horticulture media soil), indole butyric acid (IBA) hormone concentrations (0, 100, 500, 1000 ppm and Rootone) and date of cutting. Transplants were grown at different light intensities (100, 1000, 2500 lux and control) and growing media. Results showed that cuttings grown in perlite + vermiculite (1 : 1) gave higher percentage (100%) rooting. Cuttings treated with Rootone and IBA 100 ppm showed good rooting growth and cutting taken in June, 25 gave the highest rooting (96.7%). The best plant growth obtained at 1000 lux (56~60 μmolㆍm-²ㆍs-¹) followed by 2500 lux (125~130 μmolㆍm-²ㆍs-¹) and scoria mixed with commercial horticulture media soil showed better growth of transplants.
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