Pesticidal Evaluation of Entomopathogenic Fungi and Selected Medicinal Plants against Cabbage Aphid (Brevicoryne brassicae L.)

Table 2

Efficacy of various concentrations of entomopathogenic fungi against aphids pest.

Pest stages	B. bassiana	Conidia/mL	Treatments observation						(estimated percentage)
			1 day	2 days	3 days	4 days	5 days	6 days
Adult	BEI1	108	11.2^Aa	10.4^Ab	10.1^Ab	8.33^Ac	7.76^Ac	6.5^Ad	56.67
		107	13.66^Ba	12.78^Ba	11.02^Bb	10.87^Bb	8.19^Bc	7.03^Ad	53.13
		106	13.87^Ba	13.22^Ba	12.98^Cb	12.43^Cb	11.78^Cc	11.03^Bc	26.47
	BEI2	108	10.89^Aa	10.42^Aa	10.22^Aa	9.22^Ab	8.11^Ac	7.08^Ad	52.8
		107	11.77^Ba	11.19^Ba	10.78^Aa	10.63^Ba	10.12^Bb	9.05^Bb	39.67
		106	13.98^Ca	13.77^Ca	13.02^Bb	12.99^Cb	12.15^Cc	11.08^Cc	26.13
Nymph	BEI1	108	13.67^Aa	13.11^Ab	13.01^Ab	12.77^Ac	12.16^Ad	11.55^Ad	23
		107	14.11^Ba	13.77^Aa	13.67^Aa	13.01^Ab	12.77^Ab	12.03^Ac	19.8
		106	14.77^Ba	14.73^Ba	14.66^Ba	14.23^Bb	14.12^Bb	14.01^Bb	6.6
	BEI2	108	13.13^Aa	13.00^Ab	12.91^Ab	^12.61Ac	12.23^Ac	11.01^Ad	26.6
		107	13.87^Ba	13.51^Ba	13.03^Ab	12.79^Bc	12.22^Ac	11.81^Bd	21.27
		106	14.13^Ba	^13.75Ba	13.16^Ab	12.84^Bc	12.47^Bd	12.11^Cd	19.27
Triton X-100			NK	NK	NK	NK	NK	NK	NK

Capital letter superscripts compare means in the column, while small letter superscripts compare means in the row. Mean values with different letters show significant differences at . NK = not killed and BEI = Beauveria bassiana.