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Effect of Plug Cell Size on Seedling Growth of Summer Spinach  

Yeoung, Young-Rog (Department of Applied Plant Science, Kangnung National University)
Jung, Mun-Kyo (Department of Applied Plant Science, Kangnung National University)
Kim, Byung-Sup (Department of Applied Plant Science, Kangnung National University)
Hong, Se-Jin (Department of Applied Plant Science, Kangnung National University)
Chun, Chang-Hoo (Department of Plant Science, Seoul National University)
Park, Se-Won (Department of Molecular Biotechnology, Konkuk University)
Publication Information
Horticultural Science & Technology / v.22, no.4, 2004 , pp. 422-425 More about this Journal
Abstract
This study was carried out to investigate the effect of plug cell size on the seedling growth and to provide a guideline for practical production of spinach (Spinacia oleracea L.) in the summer season. Leaf length reached to 8.7cm at 30 days after seeding in 200 cells plug tray. Plants grown in 288, 406 (A) and 406 (B) had the leaf lengths of 7.3, 5.6 and 7.0cm, respectively. Seedlings grown in 200 cells had larger leaf blades (4.4cm) as compared to those in the other cells. Seedlings grown in 200, 288, 406 (A) and 406 (B) had 7.2, 7.2, 5.4 and 5.4 in number of leaves, respectively. The greatest fresh weight was achieved in seedlings grown in trays of 200 cells, followed by 288 cells, 406 (B) and 406 (A) cells. Dry weight showed a similar trend to fresh weight. Leaf length, leaf blade length, leaf width and fresh weight generally increased as plug cell sizes became larger. From the above results, 288 cell trays are recommended for spinach seedling production based on economic view.
Keywords
growth characteristics; raising seedling; Spinacia oleracea L.;
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