Effect of Various Cultural Conditions on Total Sugar Content, Vitamin C Content and β-Amylase Activity of Daikon Radish Root (<i>Raphanus sativus</i> L.)
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- ISHII Gensho
- Vegetable and Ornamental Crops Research Station
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- SAIJO Ryoyasu
- Vegetable and Ornamental Crops Research Station
Bibliographic Information
- Other Title
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- 栽培条件がダイコンの全糖及びビタミンC含量, β-アミラーゼ活性に及ぼす影響
- サイバイ ジョウケン ガ ダイコン ノ ゼン トウ オヨビ ビタミン C ガン
- Effect of Various Cultural Conditions on Total Sugar Content, Vitamin C Content and ^|^beta;-Amylase Activity of Daikon Radish Root (Raphanus sativus L.)
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Abstract
Effects of various cultural conditions, such as the maturing stage, harvesting season, soil and cultivar, on total sugar content, vitamin C content and β-amylase activity were investigated with the following results.<br>1. Radish roots at the early maturing stage showed a higher vitamin C content and β-amylase activity than those at the late maturing stage.<br>2. The fluctuation of total sugar content in root juice was positively correlated with the integrated solar radiation several days before harvesting in early summer, and negatively correlated with the integrated rainfall several days before harvesting in autumn.<br>3. Radish roots harvested during early summer were lower in total sugar content, but higher in β-amylase activity than those harvested during late autumn when compared on the basis of the same root weight.<br>4. Radish roots grown in alluvial soil had a slightly higher total sugar content, vitamin C content and β-amylase activity than those grown in ando soil.<br>5. Shade culture, mulching treatment by plastic film, and plant density showed little effect on total sugar content, vitamin C content and β-amylase activity.<br>6. There was a difference in β-amylase activity among the ten cultivars of the major seven genetic groups tested, but a little difference in vitamin C content and total sugar content.
Journal
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- Journal of the Japanese Society for Horticultural Science
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Journal of the Japanese Society for Horticultural Science 55 (4), 468-475, 1987
THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE
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Keywords
Details 詳細情報について
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- CRID
- 1390282681277902720
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- NII Article ID
- 130001153048
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- NII Book ID
- AN00025257
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- COI
- 1:CAS:528:DyaL2sXktlKlt7c%3D
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- ISSN
- 1880358X
- 00137626
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- NDL BIB ID
- 3122165
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed