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Effect of Light, $GA_3$, $KNO_3$ Treatments on the Germination of Chilean Wild Flower  

Choi, In-Lee (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Lee, Dong-Jun (Dept. of Forest Resource Conservation, Korea National Arboretum)
Lee, Kyoung-Soo (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Son, Jin-Sung (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Choi, Kyung (Dept. of Forest Resource Conservation, Korea National Arboretum)
Park, Kwang-Woo (Dept. of Forest Resource Conservation, Korea National Arboretum)
Kang, Ho-Min (Dept. of Horticulture, Kangwon Nat'l. Univ.)
Publication Information
Journal of Bio-Environment Control / v.21, no.1, 2012 , pp. 45-49 More about this Journal
Abstract
Chilean wild flower seeds showed low germination rate and lacked germination uniformity. This experiment was conducted to find out the effects of light conditions, $GA_3$ (50 mg/L, 100 mg/L, 200 mg/L) and $KNO_3$ (0.1%, 0.2%, 0.4%) treatments on germination of five species of Chilean wild flower seeds. The seeds of $Schizanthus$ $candidus$, $Schizanthus$ $hookerii$, and $Schizanthus$ $litoralis$ did not germinated in light condition. The others did not show a significant different germination rate under light and dark conditions. The germination rate of $Mimulus$ $luteus$, $Schizanthus$ $candidus$, $Schizanthus$ $hookerii$ increased 2.3, 5.6, and 3.2 times compared with control, respectively in $GA_3$-200 mg/L treatment, but that of $Rhodophiala$ $ananuca$ enhanced slightly in $GA_3$-50 mg/L treatment. Those results suggested that the germination rate of Chilean wild flower seeds enhanced by $GA_3$ treatment that is very efficient in breaking seed dormancy.
Keywords
Mimulus luteus; Rhodophiala ananuca; Schizanthus candidus; Schizanthus hookerii; Schizanthus litoralis;
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