Table 9.

Mean number of Sitobion avenae and Rhopalosiphum padi species of aphid that remained on the leaves from the six (6) concentrations of the essential oil (EO) of J. sabina and J. excelsa.

Concentration (%)	S. avenae Remained	R. padi Remained
1.0	3.89 a	4.11 a
1.5	3.11 ab	3.56 ab
2.5	2.00 bc	1.89 c
3.5	2.00 bc	2.78 bc
4.5	1.44 cd	3.00 abc
5.0	0.33 *d	0.44 *d

* The fewer aphids per leaf, the stronger the repellent effect. Within each column, means sharing the same letter are not significantly different at the 5% level of significance.