Transport of [1-14C]-indole-3-acetic acid in Abies balsamea shoots ringed with Ethrel

  title={Transport of [1-14C]-indole-3-acetic acid in Abies balsamea shoots ringed with Ethrel},
  author={Leif Eklund and C. H. Anthony Little},
The terminal (1-year-old) shoot of dormant, 2-year-old Abies balsamea (L.) Mill. seedlings was ringed with 0 or 10 mg Ethrel g–1 lanolin. After 5 weeks of culture under environmental conditions favorable for growth, some of the treated shoots were harvested to measure tracheid number by microscopy and ethylene evolution by gas chromatography-flame ionization detection. The remaining shoots were used to measure basipetal IAA transport in the cambial region by decapitating the shoot apex… CONTINUE READING
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