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http://dx.doi.org/10.12791/KSBEC.2018.27.1.71

Physicochemical Properties of Newly Developed Artificial Medium and Proper Irrigation Interval for Production of Tomato Plug Seedlings  

Kim, Hye Min (Division of Applied Life Science, Graduate School of Gyeongsang National University)
Kim, Young Jin (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.1, 2018 , pp. 71-79 More about this Journal
Abstract
This study was conducted to compare the physicochemical properties of newly developed artificial medium and conventional plug medium and to investigate the proper irrigation interval to produce the high quality tomato seedlings. The five existing artificial media (organic medium coir, mixed medium Tosilee and Q plug, and inorganic medium LC and rockwool) and four newly developed artificial medium (mixed medium TP-S1 and inorganic medium PU 14-S1, PU-7B, and PU 15-S1) were used to grow tomato 'Yegwang' with irrigation interval of one-day (14 times), two-day (7 times), and three-day (5 times) for 14 days. The pH was the significantly highest in the PU 15-S1. All growing medium measured were in the range of pH 5.17-6.90. EC was the highest in the Q plug. The initial germination rate was the highest in the PU 15-S1. The final germination rate and mean daily germination were not significantly different in all growing medium except for the PU 14-S1. Growth of tomato seedlings at 15 days after sowing was the greatest in the Q plug. At 29 days after sowing, seedlings were also the greatest in the Q plug, followed by rockwool and PU-7B. Also, growth was better in the one-day interval treatment. As a result, we confirmed the applicability of the artificial medium to tomato plug seedlings in this experiment, and seedlings were the greatest in the Q plug. Therefor, it is considered that adding nutrients to the artificial medium of the newly developed medium PU-7B, and applying the irrigation one-day interval can produces high quality tomato seedlings similar to using Q plug.
Keywords
coir; germination; mean daily germination; organic medium; rockwool;
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