Growth Responses of Wasabi Plantlets under Different Temperature Regimes During Photoautotrophic Micropropagation
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- Hoang Nhung Ngoc
- <sup> </sup>Department of Environmental Sciences and Technology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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- Shibuya Toshio
- <sup> </sup>Department of Environmental Sciences and Technology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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- Endo Ryosuke
- <sup> </sup>Department of Environmental Sciences and Technology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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- Kitaya Yoshiaki
- <sup> </sup>Department of Environmental Sciences and Technology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
書誌事項
- タイトル別名
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- Growth Responses of Wasabi Planlets under Different Temperature Regimes During Photoautotrophic Micropropagation
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Wasabi (Wasabia japonica Matsumura) was grown under photoautotrophic micropropagation conditions using nine temperature regimes by combining day temperatures of 10°C - 26°C with night temperatures of 10°C - 26°C. Temperature-related variations in relative growth rate (RGR) were analyzed by growth analysis. After 28 days of culture, maximum dry weight was measured at a constant air temperature of 18°C/18°C. This study showed that the relative contributions of leaf area ratio (LAR) and net assimilation rate (NAR) to RGR depended on the growth temperature. An increase in NAR was responsible for an increase in RGR in the low-temperature range of 10°C -18°C, whereas a decrease in RGR in the high-temperature range of 18°C - 26°C was attributable to a decrease in NAR and LAR. In the low-temperature range, variation in specific leaf area (SLA) accounted for the differences in LAR. In addition, although the contribution of leaf mass ratio to the differences in LAR was enhanced in the high-temperature range, temperature-induced decreases in LAR were largely because of decreases in SLA. The plasticity of growth responses of wasabi plantlets to temperature was very different across the two temperature ranges.
収録刊行物
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- Eco-Engineering
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Eco-Engineering 29 (4), 125-129, 2017
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詳細情報 詳細情報について
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- CRID
- 1390282680166693120
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- NII論文ID
- 130006192015
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- NII書誌ID
- AA12005685
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- ISSN
- 18804500
- 13470485
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- NDL書誌ID
- 028654328
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可