• Title/Summary/Keyword: Root spiraling

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Growth of Mandshurian Linden (Tilia mandshurica Pupr, et Max.) Seedlings as Affected by Container Types and Volumes (용기의 형태와 용적에 따른 찰피나무 유묘의 생장)

  • Yoon, Taek-Seong;Lim, Ji-Young;Kim, Jong-Jin
    • Journal of Bio-Environment Control
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    • v.14 no.4
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    • pp.239-244
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    • 2005
  • This study was carried out to investigate the growth characteristics and root development of Mandshurian Linden (Tilia mandshurica Rupr. et Max.) seedlings grown in plastic net container and plain plastic container. The seedlings were grown in the mixture of peatmoss perlite : vermiculite (1:1:1, v/v/v) for five months in the plastic greenhouse. The seedlings grown in plastic net container showed greater root collar diameter growth, better root development, and more increment of root dry mass than those grown in the plain plastic container. In particular, the seedlings grown in plastic net container had no spiraling roots which were always observed in the control . These results suggest that the net container is suitable for container culture of Tilia mandshurica seedlings by enhancing root development. Seedlings grown in the net container and transplanted to various environments showed vigorous rootage and growth.

Studies on Production of High-Quality Cornus controversa Container Seedlings (층층나무 우량 용기묘 생산에 관한 연구)

  • 윤택승;홍성각
    • Journal of Korea Foresty Energy
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    • v.21 no.3
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    • pp.28-33
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    • 2002
  • This study was carried out to develop the technique for the production of high quality container seedlings of Comus controversa Hemsley. The seedlings were grown on the medium of peatmoss : perlite : vermiculite (1:1:1, v/v) in plastic net container and no-net plastic container as control for five months in the PE house. The seedlings grown in the plastic net container showed better root collar diameter growth, better development of long and fine roots, more increment of dry mass of roots and shoots than those grown in the no-net container. But the height growth of the seedlings in both container was similar. In particular the seedlings grown in plastic net container had no spiraling roots which were always observed in the control container seedlings. This result was induced by air-root pruning effect from the plastic net container.

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Growth Responses of Dieffenbachia amoena 'Marianne' and Begonia rex to Different Lengths and Numbers of Slitwalls in Drainless Containers for Green Technology (녹색기술 무배수구 용기깊이와 슬릿(Slit)차이에 따른 디펜바키아 마리안느와 렉스 베고니아의 생육반응)

  • Ju, Jin-Hee;Yoon, Yong-Han
    • Journal of Environmental Science International
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    • v.21 no.8
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    • pp.931-938
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    • 2012
  • The effects were investigated of different lengths and numbers of slitwalls in drainless containers on growth and change in soil moisture volumes on the growth of Diffenbachia amoena 'Marianne' and Begonia rex. Drainless containers filled with amended soil, with square shape ($240mm{\times}240mm$) were used, as well as three different sets of slitwalls (2, 4 or 8, respectively) in addition to non-slitwall containers. Two indoor foliage plants were grown in slitwall containers in randomized blocks with 3 replications in greenhouse conditions, from March to September, 2009. Soil moisture volumes per container were measured by weighing containers every 2 hours during the day. The change in soil moisture volumes showed considerable differences among slitwalls tested in comparison to control containers before and after twice-weekly irrigation. Particularly, the differences in the S2 (195mm, slitwall 2) containers were significantly greater than other containers tested. For Diffenbachia amoena 'Marianne', plant height, length of leaf, dry weight and fresh weight were higher with S2 containers than with those grown in other containers tested. The Begonia rex with the best quality in terms of plant height, length of leaf and width of leaf was grown in S8 (360mm, slitwall 8) containers. Particularly, statistical analysis has indicated that shoot fresh weights of Begonia rex grown in S8 were 3-fold higher than those grown in CS8 containers. The different results obtained within the two species led us to hypothesize a species-specific influence on indoor foliage plant performance. However, plants of both species grown in slitwall containers showed good results compared with plants grown in non-slitwall containers.