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11. The response to phosphorus availability of the production and/or exudation of orobanchol, germination stimulant for root parasitic plants, in red clover
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- Yoneyama Kaori
- United Graduate school, Tokyo University of Agriculture and Technology:Faculty of Agriculture, Utsunomiya University
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- Takeuchi Yasutomo
- Center for Research on Wild Plants, Utsunomiya University
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- Yoneyama Koichi
- Center for Research on Wild Plants, Utsunomiya University
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- Sekimoto Hitoshi
- Faculty of Agriculture, Utsunomiya University
Bibliographic Information
- Other Title
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- 11. アカクローバーにおける根寄生植物種子発芽刺激物質オロバンコール生産・分泌のリン応答性
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Description
Among mineral nutrients, reduced supply of phosphorus significantly enhanced production and/or exudation of the germination stimulant orobanchol for Orobanche minor by red clover plants grown hydroponically. Therefore, response of orobanchol exudation to phosphorus availability was examined in detail. Orobanchol exudation greatly increased 48 hours after transferring to low P condition (8μM P). The plants exuded more orobanchol when grown in media with lower P levels. When the plants were continuously grown at 8μM P, orobanchol exudation continued to increase further with incubation period. By contrast, when the plants grown at 8μM P were transferred to 80 or 160μM P, orobanchol exudation decreased within the first 24 hours. These data suggest that red clover plants sense and respond quickly to changes of phosphorus availability in soil and regulate biosynthesis and/or exudation of strigolactones.
Journal
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- The Janapese Society for Chemical Regulation of Plants, Abstract
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The Janapese Society for Chemical Regulation of Plants, Abstract 40 (0), 30-, 2005
The Janapese Society for Chemical Regulation of Plants
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Details 詳細情報について
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- CRID
- 1390282679400769664
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- NII Article ID
- 110002552709
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- ISSN
- 21896313
- 09191887
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed