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Determination of Abscisic Acid in Pinus densiflora by Selected Ion Monitoring

Ryo Funada, Tamizi Sugiyama, Takafumi Kubo and Masami Fushitani
Plant Physiology
Vol. 88, No. 3 (Nov., 1988), pp. 525-527
Stable URL: http://www.jstor.org/stable/4271611
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Determination of Abscisic Acid in Pinus densiflora by Selected Ion Monitoring
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Abstract

Abscisic acid (ABA) in the stem of akamatsu (Pinus densiflora) was identified and quantified by gas chromatography-mass spectrometry-selected ion monitoring using hexadeuterated ABA as an internal standard. tert-Butyldimethylsilyl ester was used as a derivative of ABA. This derivative had high sensitivity and selectivity for ABA determination. ABA concentrations in cambial region scrapings were independent of the cessation of cambial activity.

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