Dogonadze M Z, Korableva N P, Platonova T A, Shaposhnikov G L
Bach Institute of Biochemistry, Russian Academy of Sciences, Moscow, Russia.
Prikl Biokhim Mikrobiol. 2000 Sep-Oct;36(5):588-91.
Gibberellic and beta-indolylacetic acids at concentrations of 10(-7)-10(-5) M were shown to change the hormonal status and duration of dormancy in potato tubers. Gibberellic acid shortened the dormancy and decreased the contents of abscisic acid and ethylene in apical meristems. beta-Indolylacetic acid elongated the dormancy, decreased abscisic acid production, but caused a more than tenfold increase in the production of ethylene by apical tissues. The data suggest that beta-indolylacetic acid and ethylene, as well as gibberellic and abscisic acids, are involved in the regulation of dormancy in potato tubers.
浓度为10⁻⁷ - 10⁻⁵ M的赤霉素和β-吲哚乙酸可改变马铃薯块茎的激素状态和休眠持续时间。赤霉素缩短了休眠期，并降低了顶端分生组织中脱落酸和乙烯的含量。β-吲哚乙酸延长了休眠期，减少了脱落酸的产生，但使顶端组织的乙烯产量增加了十多倍。数据表明，β-吲哚乙酸和乙烯以及赤霉素和脱落酸参与了马铃薯块茎休眠的调节。
