Growth stimulatory substances for vesicular-arbuscular mycorrhizal fungi in Bahia grass (Paspalum notatum Flügge.) roots

被引：0
|
作者：
Takaaki Ishii
Akihiko Narutaki
Kazutoshi Sawada
Jiro Aikawa
Isao Matsumoto
Kazuomi Kadoya
机构：
[1] Ehime University,Faculty of Education
[2] Idemitsu Kosan Co. Ltd.,Central Research Lab.
[3] Plant Biological Defense System Lab.,Faculty of Agriculture
[4] Ehime University,undefined
来源：
Plant and Soil | 1997年 / 196卷
关键词：
Bahia grass; eupalitin; flavonoids; growth stimulatory substances; vesicular-arbuscular mycorrhizal fungi;
D O I：
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中图分类号：
学科分类号：
摘要：
Three kinds of the growth stimulatory substances for vesicular-arbuscular mycorrhizal (VAM) fungi were isolated from the 25% methyl alcohol (MeOH) eluates of Bahia grass roots fractionated by flash chromatography. One of them was identified as eupalitin (3,5-dihydroxy-6,7-dimethoxy-4′-hydroxy flavone). At 10 ppm, this compound significantly stimulated the in vitro hyphal growth of a VAM fungus, Gigaspora ramisporophora Spain. The others were not identified. These results suggest that the flavonoids such as eupalitin, and the unidentified compounds may act as signal molecules in VAM symbiosis.
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页码：301 / 304
页数：3
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