Table III.

Inhibition of root growth and the gravity response in roots treated to inhibit auxin transport from the shoot

TreatmentaAngle of Gravitropic CurvatureRoot GrowthNo. of Lateral Roots
degrees mm
Untreated80.3 ± 2.313.1 ± 0.323.2 ± 1.7
NPA application74.0 ± 4.011.1 ± 0.45.6 ± 0.8
Shoot excised65.0 ± 4.410.2 ± 0.50.0 ± 0.0

The reported values are the averages and se of 20 plants.