激发子诱导姜黄根茎挥发油成分的变化

IF 0.2 Q4 HORTICULTURE
S. Rajagopal, John Zachariah Thondiath
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引用次数: 0

摘要

本试验在科之科德生物技术研究所进行,研究了化学激发剂(壳聚糖(100、200和500 ppm)、苯丙氨酸(0.1、1和10 mM)和水杨酸(0.01、0.1和1 mM)叶面施用对姜黄挥发油(EO)挥发性成分的影响。采用3个重复的随机区组设计,选取生长持续时间和挥发性特征不同的3个基因型(Pragati、Rajapuri和Acc.849)进行研究。在苯丙氨酸(1 mM)处理下,Pragati的EO含量最高(6%),Acc. 849含量最高(5.3%)。Rajapuri基因型的EO含量无显著变化。苯丙氨酸和水杨酸对Pragati主要倍半萜类ar-turmerone有正向影响。ac .849和Rajapuri对激发剂处理的样品中ar-turmerone的含量没有显著变化。此外,总单萜和总倍半萜含量在不同基因型间存在显著差异。使用偏最小二乘判别分析的多变量分析支持了处理间观察到的差异和投影评分的变量重要性,并确定了处理间差异的代谢物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Elicitors induced changes in essential oil constituents of turmeric (Curcuma longa L.) rhizome
An experiment was conducted at IISR, Kozhikode to study the effect of foliar application of chemical elicitors, namely, chitosan (100, 200 and 500 ppm), phenylalanine (0.1, 1 and 10 mM) and salicylic acid (0.01, 0.1 and 1 mM) on volatile constituents of turmeric rhizome essential oil (EO). Three genotypes (Pragati, Rajapuri and Acc.849) which vary in growth duration and volatile profile were taken for the study in randomized block design with three replications. The highest EO content in Pragati (6%) and Acc. 849 (5.3%) was found in Phenylalanine (1 mM) treatment. No significant changes in EO content were observed in the genotype Rajapuri. Phenylalanine and salicylic acid were found to have positive influence on ar-turmerone, the major sesquiterpenoid in Pragati. Acc.849 and Rajapuri did not produce any significant changes to ar-turmerone content in elicitor treated samples. Moreover, the treatment related variation in the total monoterpenes and total sesquiterpene content was found significant among the genotypes. Multivariate analysis using partial least square discriminant analysis supported the variation observed among the treatments and variable importance in projection scoreidentified the metabolites responsible for variation among treatments.
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来源期刊
Journal of Horticultural Sciences
Journal of Horticultural Sciences Agricultural and Biological Sciences-Plant Science
CiteScore
0.30
自引率
0.00%
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0
审稿时长
6 weeks
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