Sugar demand , not auxin , is the initial regulator of apical dominance

  title={Sugar demand , not auxin , is the initial regulator of apical dominance},
  author={Michael G. Masona and John J. Rossb and Benjamin A. Babstc and Brittany N. Wienclawc and Christine A. Beveridgea},
  • Michael G. Masona, John J. Rossb, +2 authors Christine A. Beveridgea
  • Published 2014
For almost a century the plant hormone auxin has been central to theories on apical dominance, whereby the growing shoot tip suppresses the growth of the axillary buds below. According to the classic model, the auxin indole-3-acetic acid is produced in the shoot tip and transported down the stem, where it inhibits bud growth. We report here that the initiation of bud growth after shoot tip loss cannot be dependent on apical auxin supply because we observe bud release up to 24 h before changes… CONTINUE READING
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Antagonistic action of strigolactone and cytokinin in bud outgrowth control

  • EA Dun, A de Saint Germain, C Rameau, CA Beveridge
  • Plant Physiol
  • 2012

Biosynthesis of the halogenated auxin, 4-chloroindole-3acetic acid

  • ND Tivendale
  • Plant Physiol 159(3):1055–1063
  • 2012

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