请输入您要查询的英文单词:

 

单词 lycomarasmin
释义

lycomarasminn.

/ˌlʌɪkəʊməˈrasmɪn/
Forms: Also † lyco-marasmine.
Etymology: < German lyco-marasmin (Plattner & Clauson-Kaas 1945, in Experientia I. 196), < modern Latin lyco-persici varietal or specific epithet (taken as genitive of lycopersicon : see lycopersicin n.) + Greek μαρασμός withering + -in suffix1.
Chemistry.
A phytotoxic dipeptide, C9H15N3O7, which contains glycine and aspartic acid residues and was isolated from Fusarium bulbigenum var. lycopersici, the fungus which causes tomato wilt.
ΚΠ
1945 Experientia 1 196 On hydrolysis lyco-marasmine yields glycine, aspartic and (probably) pyruvic acid and ammonia.
1956 Ann. Rev. Microbiol. 10 361 Lycomarasmin, therefore, causes iron deficiency in the stem and iron excess in the leaves.
1972 S. A. J. Tarr Princ. Plant Pathol. xiii. 236 Lycomarasmin is a dipeptide which brings about wilting and yellowing of tomato cuttings, and its phytotoxicity is increased in the presence of iron.
This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).
<
n.1945
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/24 4:55:20