Table II.

Basipetal IAA and BA movement in ecotype Landsberg erecta roots

Assay[3H]IAA Transport
−NPA+NPAP Value2-a
picomoles
IAA transport2-b 7.03 ± 0.914.73 ± 0.470.011
BA diffusion2-c 0.65 ± 0.050.53 ± 0.080.224
  • F2-a The difference between samples with and without NPA was determined by Student's t test of equal variance.

  • F2-b The average and se of 18 plants from four separate experiments are reported.

  • F2-c The average and se of 11 plants from three separate experiments are reported.