Confirmation and Quantification of Strigolactones, Germination Stimulants for Root Parasitic Plants Striga and Orobanche, Produced by Cotton
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概要
- 論文の詳細を見る
The germination stimulants for root parasitic plants Striga and Orobanche produced by cotton (Gossypium hirsutum L.) were examined in detail. Seeds of cotton were germinated and grown on glass wool wetted with sterile distilled water in sterile filter units. The root exudate was collected daily and extracted with ethyl acetate. Each of these ethyl acetate extracts was analyzed directly by high-performance liquid chromatography linked with tandem mass spectrometry (LC/MS/MS). The results demonstrate that cotton roots exuded strigol and strigyl acetate, but no other known strigolactones such as orobanchol and alectrol. The production of strigol was detected even in the root exudate collected during the first 24 h of incubation and reached a maximum 5–7 days later. The average exudation of strigol and strigyl acetate during the incubation period was ca. 15 and 2 pg/plant/day, respectively, indicating that strigol mainly contributed to germination stimulation by the cotton root exudate.
- 社団法人 日本農芸化学会の論文
- 2005-01-23
著者
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Yoneyama Koichi
Weed Sci. Center Utsunomiya Univ.
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Yoneyama Kouichi
Department Of Obstetrics And Gynecology Nippon Medical School
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Awad Ayman
Center For Research On Wild Plants Utsunomiya University
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Sato Daisuke
Center for Research on Wild Plants, Utsunomiya Univ.
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Yoneyama K
Weed Science Center Utsunomiya University
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Yoneyama Koichi
Center For Research On Wild Plants Utsunomiya Univ.
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Takeuchi Yasutomo
Center For Research On Wild Plants Utsunomiya Univ.
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Takeuchi Yasutomo
Department Of Applied Biological Chemistry Faculty Of Agriculture Shizuoka University
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Sato Daisuke
Center For Research On Wild Plants Utsunomiya University
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