Table 1.

Allium root growth inhibition test

Test substance	Concentrations (ppm)	Mean of root length ± SD
Negative control	–	4.42 ± 0.23
Positive control	–	1.04 ± 0.15*
Anilofos	6.25	4.06 ± 0.14*
	12.5	3.89 ± 0.17*
	25	2.86 ± 0.20*
	50	2.73 ± 0.14*
	100	2.29 ± 0.13*

* Significantly different from negative control (p < 0.05 Dunnet t test, 2-sided) SD: Standard deviation