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KMID : 1098420150230050370
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Korean Journal of Medicinal Crop Science
2015 Volume.23 No. 5 p.370 ~ p.378
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Effects of Storage Duration with Low Temperature and Wet Condition, Germination Temperature and Shading Rate on Germination of Aruncus dioicus var. kamtschaticus Seeds
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Song Ki-Seon
Jeon Kwon-Seok
Choi Kyu-Seong
Kim Chang-Hwan
Park Yong-Bae
Kim Jong-Jin
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Abstract
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Background : Aruncus dioicus var. kamtschaticus, functional wild vegetable, is perennial herb and young leaves with soft texture are generally used as edible food. So the demand for the vegetable has increased recently. This study was carried out to determine the effects of temperature and shading on germination characteristics of A. dioicus.
Methods and Results : The experiment was performed by temperature and shading treatments. Seed pre-treatment before the germination experiment was carried out by the storage in low temperature (4℃) under wet condition (LTW) for 0, 15, 30, 45 and 60 days and shading treatment were 35%, 50%, and 75% under control, BA (6-benzyladenine) and GA3 (gibberellic acid) condition for 24 hours. Increasing the length of the storage periods led to increases seed germination percent in low temperature (4℃) under wet condition (LTW), germination rate of A. dioicus seed was the highest at 15℃ with 60 days of seed pre-treatment. In the case of seeds pre-treatment with LTW, the more temperature went up, the more days to 50% of Germination of Final Germination Rate (T50) went down. As a result of surveying shading treatment, germination rate was the highest in control of 35% shading and the next higher was in control of 50% shading.
Conclusions : It is concluded that the temperature and shading are important factors to produce A. dioicus. Also, We suggest these results as basic data of A. dioicus for sexual propagation.
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KEYWORD
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Aruncus dioicus, Germination Rate, T50, Pre-Treatment
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