Table I.

Effect of 1.0 μm NPA on hypocotyl length ± sd of various hormone mutants grown for 7 d in darkness or white light (80 μmol m−2s−1)

GenotypeLightDark
−NPA+NPAInhibition−NPA+NPAInhibition
mm%mm%
Wild type4.1  ± 1.11.1  ± 0.27413.9  ± 1.814.1  ± 2.3−1
iaaL2.0  ± 0.61.1  ± 0.34516.9  ± 2.314.7  ± 2.113
axr1-31.7  ± 0.31.0  ± 0.13715.6  ± 2.015.7  ± 2.1−1
axr1-121.4  ± 0.31.1  ± 0.2227.7  ± 2.13.4  ± 1.256
det20.8  ± 0.20.5  ± 0.1402.9  ± 0.92.9  ± 0.6−3
eto1-14.3  ± 1.01.3  ± 0.3707.4  ± 1.35.7  ± 1.222
etr14.4  ± 0.81.3  ± 0.37219.0  ± 2.514.7  ± 3.223