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Journal of plant physiology

Early senescence induced by 2-3H-benzoxazolinone (BOA) in Arabidopsis thaliana.


PMID 21237530

Abstract

Measurements of chlorophyll a fluorescence, nutrient and trace elements, total protein content and malonyldialdehyde in leaves of Arabidopsis thaliana between 1 and 192 h after treatment with 0, 1 or 3 mM 2-3H-benzoxazolinone (BOA), together with imaging of chlorophyll a fluorescence and of the distributions of hydrogen peroxide and superoxide anion, suggested that the primary phytotoxic action of BOA is the induction of premature senescence, and that oxidative stress is a secondary effect that sets in a day or two later.

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157058
2-Benzoxazolinone, 98%
C7H5NO2