Abstract
This study was carried out to have the basic and applied informations relating to increase the productivityand quality of ginseng. 2 years-old ginseng was cultivated under hydroponic culture with the controlled environment condi-tions in a greenhouse. Major growth characters and yields were investigated with two different temperatures and severalgrowth stages. The plant height and stem diameter were higher at low temperature than those at high temperature. Theywere not clearly different with six different growth stages. The root length was not clearly different between two tempera-tures; however it was continuously grown from June until August. The root diameter was higher at low temperature thanthat at high temperature. It was rapidly increased from June until August. The length, width, and area of leaf were higher atlow temperature than those at high temperature. The fresh and dry weights of different plant tissues were also heavier at lowtemperature than those at high temperature. The moisture content of ginseng root was continuously decreased from Juneuntil August. The yield of ginseng was higher at low temperature compared to that at high temperature. The cultivating con-ditions in hydroponic culture of ginseng, especially temperature, would be an important factor to have better growth andproduction.Key Words : Panax ginseng C. A. Meyer, Hydroponics. Growth Response, Yield, Temperature
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