Stimulatory effects of Houttuynia cordata Thunb. on seed germination of Striga hermonthica (Del.) Benth.

被引：0

作者：

Ma, YQ ^{[1
]}

Shui, JF

Inanaga, S

Cheng, JM

机构：

[1] NW A&F Univ, Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Peoples R China

[2] NW A&F Univ, Minist Water Resources, Yangling 712100, Peoples R China

[3] Tottori Univ, Arid Res Ctr, Tottori 6800001, Japan

来源：

ALLELOPATHY JOURNAL | 2005年 / 15卷 / 01期

关键词：

germination; Houttuynia cordata; induction; isolation; Striga hermonthica;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The fresh plant and powder of Houttuynia cordata stimulated the germination of Striga hermonthica. Thin layer chromatography (TLC) of H. cordata extract revealed two zones of activity with maximum germination of 57 and 27%, respectively for R-f values of 0.4 and 0.53. High performance liquid chromatography (HPLC) analysis revealed two active zones I and 2, with fractions having retention times (t(R)) of 35 and 37 min. The maximum germination in these zones was 53 and 75%, respectively. The soil growing H. cordata for two years stimulated the seed germination of S. hermonthica. This study indicated that H. cordata root exudates contains germination stimulant of S. hermonthica.

引用

页码：49 / 56

页数：8

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