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http://dx.doi.org/10.12791/KSBEC.2018.27.2.103

Growth and Rooting Rate of 'Maehyang' Strawberry as Affected by Irrigation Method on Cutting Propagation in Summer Season  

Kim, Hyeon Min (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Kim, Hye Min (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Jeong, Hyeon Woo (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Lee, Hye Ri (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Jeong, Byoung Ryong (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Kang, Nam Jun (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Hwang, Seung Jae (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Publication Information
Journal of Bio-Environment Control / v.27, no.2, 2018 , pp. 103-110 More about this Journal
Abstract
This study was conducted to investigate the optimum irrigation method for propagation of cutting strawberry ($Fragaria{\times}ananassa$ Duch. cv. Maehyang) plantlet in summer season. The cutting strawberry plantlets were planted in 24-cell tray ($60{\times}34{\times}10cm$) filled with commercial mixed medium (Tosilee) and placed in semi closed-type small plastic tunnel. Each semi closed-type small plastic tunnel was treated as follows; control (non-treatment), over head irrigation (twice a day), capillary mats irrigation (twice a day), or fog irrigation (30 minutes turn on and 10 minutes off from 8:00 to 18:00). The strawberry plantlets were rooted during 8 days in the semi closed-type small plastic tunnel, and then plastic film was removed. Growth parameters, such as plant height, root length, number of primary roots, petiole length, leaf length, leaf width, crown diameter, SPAD, leaf area, fresh and dry weights of the shoot and root, were measured at 61 days after cutting. Relative humidity in tunnel was high in the order by fog irrigation, over head irrigation, capillary mats, and the control as 72.5, 56.3, 45.8, and 29% on average, respectively. However, the air temperature was similar in all treatments. On the 4 and 8 days, the rooting rate of strawberry plantlet was significantly higher in the over head irrigation and fog irrigation treatments. Plant height, petiole length, crown diameter, and leaf area were highest in the over head irrigation and fog irrigation treatments. In addition, fresh and dry weights of shoot were greater in over head irrigation and fog irrigation treatments than the others. Dry weight of root was differed significantly heaviest in the fog irrigation treatment. However, root length, no. of primary roots, SPAD value, and fresh weight of root were not significantly different in all treatments. These results indicated that growth and rooting for propagation of cutting strawberry plantlet 'Maehyang' were best achievement in the over head irrigation and fog irrigation treatments.
Keywords
crown diameter; fog irrigation; $Fragaria{\times}ananassa$; over head irrigation; relative humidity;
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Times Cited By KSCI : 11  (Citation Analysis)
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