Table I.

Effects of auxin type on [¹⁴C]GA₂₀ metabolites in excised internode 7-8 tissue cultured in sterile liquid Murashige and Skoog at 20° C for 24 h

Treatment	[14C]GA8 (Fractions 15 and 16)	[14C]GA29 (Fractions 23 and 24)	[14C]GA20 (Fractions 43 and 44)
Control	<1	47	13
IAA	19	24	20
NAA	17	28	15
2,4-D	13	28	15
4-Chloro-IAA	13	29	16
Indole-3-butyric acid (IBA)	6	38	22

Auxins were present at a concentration of 3 × 10⁻⁵ m. Data are percentages of radioactivity in HPLC run co-eluting with GAs shown.