Growth of lettuce plants (Lactuca sativa L.) under control of dissolved O2 concentration in hydroponics

S. Yoshida, M. Kitano, H. Eguchi

研究成果: ジャーナルへの寄稿記事

15 引用 (Scopus)

抄録

The effect of dissolved O2 concentration on growth of lettuce plants (Lactuca sativa L.) was analyzed in hydroponics. The plants were grown for 7 days under different dissolved O2 concentrations controlled at 0.01, 0.10 and 0.20 mM. Number of leaves was scarcely affected by the dissolved O2 concentration, but leaf expansion was depressed at 0.01 mM where leaf water content became lower. Furthermore, the fresh and dry weights of leaves and roots were clearly reduced at 0.01 mM. On the other hand, difference in plant growth between 0.10 and 0.20 mM was scarcely found. These results suggest that growth of the lettuce plants at the lowest dissolved O2 concentration of 0.01 mM is depressed through leaf turgor loss caused by decrease in root water uptake.

元の言語英語
ページ(範囲)39-45
ページ数7
ジャーナルBIOTRONICS
26
出版物ステータス出版済み - 12 1 1997

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Hydroponics
Lettuce
hydroponics
Lactuca sativa
lettuce
Growth
leaves
Water
leaf development
turgor
water uptake
plant growth
water content
Weights and Measures

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)
  • Plant Science

これを引用

Growth of lettuce plants (Lactuca sativa L.) under control of dissolved O2 concentration in hydroponics. / Yoshida, S.; Kitano, M.; Eguchi, H.

:: BIOTRONICS, 巻 26, 01.12.1997, p. 39-45.

研究成果: ジャーナルへの寄稿記事

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abstract = "The effect of dissolved O2 concentration on growth of lettuce plants (Lactuca sativa L.) was analyzed in hydroponics. The plants were grown for 7 days under different dissolved O2 concentrations controlled at 0.01, 0.10 and 0.20 mM. Number of leaves was scarcely affected by the dissolved O2 concentration, but leaf expansion was depressed at 0.01 mM where leaf water content became lower. Furthermore, the fresh and dry weights of leaves and roots were clearly reduced at 0.01 mM. On the other hand, difference in plant growth between 0.10 and 0.20 mM was scarcely found. These results suggest that growth of the lettuce plants at the lowest dissolved O2 concentration of 0.01 mM is depressed through leaf turgor loss caused by decrease in root water uptake.",
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AU - Yoshida, S.

AU - Kitano, M.

AU - Eguchi, H.

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N2 - The effect of dissolved O2 concentration on growth of lettuce plants (Lactuca sativa L.) was analyzed in hydroponics. The plants were grown for 7 days under different dissolved O2 concentrations controlled at 0.01, 0.10 and 0.20 mM. Number of leaves was scarcely affected by the dissolved O2 concentration, but leaf expansion was depressed at 0.01 mM where leaf water content became lower. Furthermore, the fresh and dry weights of leaves and roots were clearly reduced at 0.01 mM. On the other hand, difference in plant growth between 0.10 and 0.20 mM was scarcely found. These results suggest that growth of the lettuce plants at the lowest dissolved O2 concentration of 0.01 mM is depressed through leaf turgor loss caused by decrease in root water uptake.

AB - The effect of dissolved O2 concentration on growth of lettuce plants (Lactuca sativa L.) was analyzed in hydroponics. The plants were grown for 7 days under different dissolved O2 concentrations controlled at 0.01, 0.10 and 0.20 mM. Number of leaves was scarcely affected by the dissolved O2 concentration, but leaf expansion was depressed at 0.01 mM where leaf water content became lower. Furthermore, the fresh and dry weights of leaves and roots were clearly reduced at 0.01 mM. On the other hand, difference in plant growth between 0.10 and 0.20 mM was scarcely found. These results suggest that growth of the lettuce plants at the lowest dissolved O2 concentration of 0.01 mM is depressed through leaf turgor loss caused by decrease in root water uptake.

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