Short-term Application of the Concentrated Deep Seawater for Production of High Quality Tomatoes by Single-truss and High Density Cultivation
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概要
- 論文の詳細を見る
Single-truss and high density cultivation of tomato plants (Lycopersicon escultentum Mill.) has great advantages in controlling the plants and stable production. In this cultivation, an effective application of short-term salt stress for high quality tomatoes was examined by analyzing mass transport to fruits via phloem. Tomato plant were grown by soil-less culture with non-woven fabric system for single-truss and high density cultivation, where short-term salt stress was induced for just 2 weeks at the stage of rapid fruit growth by adding the concentrated deep seawater to the standard nutrient solution (electric conductivity (EC), 1.2 dS m−1) to increase EC by 13.5 dS m−1. Although fresh weight of the fruits was restricted by salt stress, dry matter ratio of the fruits was increased. Soluble solid concentration and flux in the phloem sap was accelerated not only during the short-term salt stress but also after the removal. Concentrations of Na+, K+, and Mg+ in the phloem sap were also enhanced by the concentrated deep seawater. Consequently, sugar concentration of the fruits was significantly increased by short-term salt stress. These results may contribute to stable and high production of high quality tomatoes in single-truss and high density cultivation.
- 日本生物環境工学会の論文
- 2009-03-30
著者
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Nakano Yuka
National Agriculture And Food Research Organization
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Araki Takuya
Faculty of Agriculture,Kyushu University
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Araki Takuya
Faculty Of Agriculture Kyushu University
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KITANO Masaharu
Faculty of Agriculture Kyushu University
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WATANABE Shin-ichi
National Agricultural Research Center for Kyushu Okinawa Region
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WAJIMA Takahiro
Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto
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OKANO Kunio
National Institute of Floricultural Science
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Wajima Takahiro
Faculty Of Environmental And Symbiotic Sciences Prefectural University Of Kumamoto
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Araki Takuya
Faculty Of Agriculture Ehime University
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Wajima Takahiro
Prefectural Univ. Kumamoto Kumamoto Jpn
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