Table 1.

Effect of Oxabicycles 6-18 on Radicle Growth of Cucumis sativus at 5 x 10^-4 mol L^-1

Compounds	radicle length (cm)*	inhibition (%)**
6	2.92 f	37.61
7	4.55 abc	2.78
8	4.62 abc	1.28
9	4.16 abcd	8.89
10	2.97 ef	36.54
11	3.32 def	29.06
12	3.60 cdef	23.08
13	3.45 def	26.28
14	4.59 abc	1.92
15	4.78 ab	-2.14
16	3.62 cdef	22.65
17	5.05 a	-7.90
18	3.95 bcde	15.60
Control	4.62 abc
Water	4.68 ab
CV (%)	9.96

^* Means in the same column with the same letter are significantly different at P = 0.05% by Tukey’s test.

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