INVOLVEMENT OF JASMONIC ACID AND RELATED-COMPOUNDS IN THE TUBERIZATION OF JERUSALEM-ARTICHOKE PLANTS (HELIANTHUS-TUBEROSUS L)

被引：15

作者：

KODA, Y

TAKAHASHI, K

KIKUTA, Y

机构：

[1] Faculty of Agriculture, Hokkaido University

来源：

JAPANESE JOURNAL OF CROP SCIENCE | 1994年 / 63卷 / 02期

关键词：

HELIANTHUS-TUBEROSUS; JASMONIC ACID; JERUSALEM ARTICHOKE; TUBERIZATION;

D O I：

10.1626/jcs.63.333

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Using a bioassay for tuber-inducing activity, which was carried out with cultures of single-node segments of potato stems in vitro, jasmonic acid (JA) was isolated from the leaves of Jerusalem artichoke (Helianthus tuberosus L.), and identified by both HPLC and mass spectrometry. The level of endogenous JA in the leaves of young plants was very high (4.0 X 10(-6) mol.kg-1) but decreased sharply with the growth of the plants. By contrast, the level of water-soluble derivatives of JA increased with the growth of plants and reached a maximum near the time at which tuberization was initiated. The effect of exogenous JA on the tuberization of Jerusalem artichoke plants was examined in vitro, and JA was found to have strong tuber-inducing activity. These results suggest that tuberization of Jerusalem artichoke plants is controlled by JA and related compounds.

引用

页码：333 / 338

页数：6

共 15 条

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