Applicaton of temperature stress to roots of Spinach I. Effect of the low temperature stress on qualiy

Yudi Chadirin, Kota Hidaka, Taro Takahashi, Yuki Sago, Takahiro Wajima, Kitano Masaharu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In the soil-less culture, root zone environment can be easily modified to create steess conditions such as low and high temperatures, drought and high salinity by applying physical and chemical properties of water. Low temperature stress to plant body can induce adaptive functions in plant such as osmoregulation and antioxidation, which are expected to result in production of value-added vegetables enriched in sugars and antioxidant, etc. In this study, production of value-added vegetables was examined by applying low temperatures stress only to roots in a soil-less culture. Spinach plants (Spinacia oleracea L. cv. Orai) were grown in a soil-less culture, where the root zone temperature was controlled at a normal temperature of 20°C. Two weeks before the harvest, the low temperature stress treatment with a root zone temperature of 5°C was applied for only one week. This low temperature stress to roots induced plant adaptive functions of osmoregulation and antioxidation, and healthful substances for human health such as sugars, ascorbic acid and Fe were significantly enriched in edible shoots. Furthermore, concentrations of nitates and oxalic acid in shoots, which are harmful substances, were extremely decreased wih depression in water and nutrient absorption by roots. These suggest that the only one week treatment wih low temperature stress only to roots is applicable for production of value-added leafy vegetables.

Original languageEnglish
Pages (from-to)133-139
Number of pages7
JournalEnvironmental Control in Biology
Volume49
Issue number3
DOIs
Publication statusPublished - Dec 5 2011

Fingerprint

spinach
soilless culture
value added
temperature
root zone temperature
osmoregulation
vegetables
sugars
shoots
Spinacia oleracea
oxalic acid
green leafy vegetables
human health
physical properties
rhizosphere
physicochemical properties
water
ascorbic acid
drought
salinity

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

Cite this

Applicaton of temperature stress to roots of Spinach I. Effect of the low temperature stress on qualiy. / Chadirin, Yudi; Hidaka, Kota; Takahashi, Taro; Sago, Yuki; Wajima, Takahiro; Masaharu, Kitano.

In: Environmental Control in Biology, Vol. 49, No. 3, 05.12.2011, p. 133-139.

Research output: Contribution to journalArticle

Chadirin, Yudi ; Hidaka, Kota ; Takahashi, Taro ; Sago, Yuki ; Wajima, Takahiro ; Masaharu, Kitano. / Applicaton of temperature stress to roots of Spinach I. Effect of the low temperature stress on qualiy. In: Environmental Control in Biology. 2011 ; Vol. 49, No. 3. pp. 133-139.
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