57. イネの全身獲得抵抗性とサリチル酸の内生量の関連についての解析

概要

論文の詳細を見る
Systemic acquired resistance (SAR) is one of disease resistance systems induced by the primary infection of pathogen to protect the whole plant body from pathogens. Benzisothiazole (BIT) is a plant activator that induces SAR in rice, tobacco and Arabidopsis. In Arabidopsis, environmental stress responses via abscisic acid (ABA) suppresses SAR induction. To investigate influences of environmental stress on SAR induction in rice, we analyzed effects of ABA on SAR induction by BIT. BIT treatment reduced lesion number of rice blast disease. However, ABA treatment reduced the BIT-induced disease resistance. NaCl treatment also reduced the BIT-induced disease resistance. These data indicate that ABA suppresses SAR development in rice as well as in Arabidopsis.
植物化学調節学会の論文
2004-10-13