Table 2.

Effect of Oxabicycles 6-18 on Radicle Growth of Sorghum bicolor at 5 x 10^-4 mol L^-1.

Compounds	radicle length (cm)*	inhibition (%)**
6	3.90 ab	13.33
7	3.25 bc	27.78
8	3.19 bc	29.11
9	3.37 bc	25.11
10	2.16 d	52.00
11	3.98 ab	11.55
12	2.75 cd	38.89
13	3.26 bc	27.56
14	2.77 cd	38.44
15	3.18 bc	29.33
16	3.72 ab	17.33
17	4.41 a	2.00
18	3.21 bc	28.67
Control	4.54 a
Water	4.50 a
CV (%)	10.70

^* Means in the same column with the same letter are not significantly different at P = 0.05% by Tukey’s test.

^**Values are expressed as percentages different from the control.