Effect of Root Zone Temperature on Root and Shoot Growth of Strawberry
2008
Jun, H.J. (Daegu University, Gyeongsan, Republic of Korea) | Hwang, J.G. (Daegu University, Gyeongsan, Republic of Korea) | Son, M.J. (Daegu University, Gyeongsan, Republic of Korea) | Choi, D.J. (Kyungbuk Agricultural Research and Extension Service, Daegu, Republic of Korea)
The experiment was investigated the effects of lower root zone temperature on shoot and root growth of 'Akihime' strawberries in aeroponics in cold season. Root growth was decreased with decrease of root zone temperature, especially in lateral roots. Elongation of main roots was highest in 18℃ of root zone temperature. Number of lateral roots and length of lateral roots were lowest in 8℃ of root zone temperature. Lower root zone temperature resulted significantly in decrease of fresh weight of root and shoot and leaf area of strawberry. But there were no significant statistical differences in shoot fresh weight and leaf area in 8℃ and 13℃ of root zone temperature. Leaf length, leaf width and number of leaves of strawberry were decreased in lower root zone temperature. The results of this experiment will be utilized in the winter season cultivation for strawberry in hydroponics.
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