Phytotoxic effects of Schinus terebinthifolius volatiles on adventitious rooting of Arabidopsis thaliana

被引：1
|
作者：
Pawlowski, Angela [1 ,2 ]
Da Silva, Eliane Regina [2 ]
Schwambach, Joseli [3 ]
Kaltchuk-Santos, Eliane [4 ]
Zini, Claudia Alcaraz [5 ]
Goncalves Soares, Geraldo Luiz [2 ]
机构：
[1] Inst Fed Educ Ciencia & Tecnol Farroupilha, Santo Angelo, Brazil
[2] Univ Fed Rio Grande do Sul, Inst Biociencias, Dept Bot, Lab Evolucao Ecol Quim & Quimiotaxon, Porto Alegre, RS, Brazil
[3] Univ Caxias do Sul, Lab Biotecnol Vegetal, Caxias Do Sul, RS, Brazil
[4] Univ Fed Rio Grande do Sul, Inst Biociencias, Dept Genet, Lab Citogenet Vegetal, Porto Alegre, RS, Brazil
[5] Univ Fed Rio Grande do Sul, Inst Quim, Dept Quim Inorgan, Lab Quim Analit Ambiental & Oleoquim, Porto Alegre, RS, Brazil
来源：
JOURNAL OF ESSENTIAL OIL RESEARCH | 2022年 / 34卷 / 01期
关键词：
Antioxidant; auxin; essential oil; sur1; mutant; oxidative damage; root length; ESSENTIAL OIL; AUXIN; PROTEIN; STRESS; GROWTH; ALLELOPATHY; LETTUCE;
D O I：
10.1080/10412905.2021.2002200
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
This study aimed to evaluate the effects of Schinus terebinthifolius leaf essential oil on adventitious rooting of Arabidopsis thaliana. Effects of the oil were assessed on root formation and elongation of A. thaliana microcuttings. Accumulation of hydrogen peroxide (H2O2), a reactive oxygen species (ROS), in microcuttings and the action of an antioxidant and an auxin in alleviating essential oil effects were assessed. The essential oil reduced mean rooting time and root length of A. thaliana in a dose-dependent manner but did not affect rooting rate or number of roots. Accumulation of H2O2 was evidenced in A. thaliana leaves exposed to the essential oil, which was prevented by addition of the antioxidant. The antioxidant alleviated effects of the oil on A. thaliana, but not the auxin. In conclusion, root elongation was more affected by S. terebinthifolius essential oil than root formation, and phytotoxic effects were associated with oxidative damage.
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收藏
页码：77 / 86
页数：10
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