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KMID : 1098420060140030130
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Korean Journal of Medicinal Crop Science
2006 Volume.14 No. 3 p.130 ~ p.133
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Selection and Technical Development for Seed Pelleting Material of Codonopsis lanceolata Trautv
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Choi Kyeong-Gu
Lee Youn-Su
Cha kwang-Ho
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Abstract
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This study was conducted to select Codonopsis lanceolata seed’’s new pelleting particulate materials and adhesives. Different adhesives (Polyvinyl alcohol (PVA), Carboxymethyl cellulose (CMC), Polyvinyl pyrrolidone (PVP), Xanthan gum (XG), Arabic gum (AG)) and particulate materials (Illite, Diatomite, Pyrophyllite + Illite + Diatomite (PID), Pyrophyllite + Illite + Talc (PIT), Bentonite + Talc (BT)) were tested for seed pelleting. PID for Codonopsis lanceolata seed pelleting appeared to be the best particulate material. Among the pelleting adhesives, PVP was the best adhesive for seed pelleting, and the optimum concentration for germination of pelleting seed was 1 %. Germination rate of the pelleted seeds treated with PID particulate material and PVP adhesive was higher (86.8%) than those of raw seeds (85.5%). T_{50} and MDG of pelleted Codonopsis lanceolata seed required five and eight days at soil moisture content of 50%, respectively.
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KEYWORD
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Seed pelleting, T_{50}, MDG, Codonopsis lanceolata
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