6 イネの病害抵抗性にブラシノステロイドが及ぼす効果に関する研究

概要

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Plants are exposed to various environmental stresses including pathogen attacks by viruses, fungus and bacteria and have been developed corresponding defense responses to those pathogens. In dicotyledonous plants the signaling for these various defense responses are regulated by salicylic acid, jasmonic acid, and ethylene, but which is still unclear in rice plants. The effects of brassinolide (BL), one of brassinosteroids, on disease resistance in rice was examined and the result showed that BL induced resistance in rice against rice blast fungus. BL did not induce PBZ1 expression, which is induced by probenazole (PBZ), a systemic acquired resistance activator, indicating that effect of BL was not same as that of PBZ.
植物化学調節学会の論文
2000-11-02