Pathogenicity of three entomopathogenic fungi, to the aphid species, Metopolophium dirhodum (Walker) (Hemiptera: Aphididae), and their Alkaline protease activities

Egyptian Journal of Biological Pest Control

Table 1 The scale values of the population density of Metopolophium dirhodum

Fungal isolates		Days post treatment
Fungal isolates	Pre-tre atment	1st	3rd	5th	7th
Beauveria bassiana	5.00 ± 0.00^a	4.33 ± 0.21^b	3.17 ± 0.17^c	1.00 ± 0.37^c	0.017 ± 0.17^d
Cladosporium cladosporioides	5.00 ± 0.00^a	5.00 ± 0.00^b	4.17 ± 0.17^abc	2.33 ± 0.33^b	1.33 ± 0.33^c
Verticillium alfalfae	5.00 ± 0.00^a	4.5 ± 0.22^b	4.5 ± 0.34^ab	2.67 ± 0.21^ab	1.67 ± 0.21^bc
Control	5.00 ± 0.00^a	5.00 ± 0.00^a	4.67 ± 0.21^a	3.67 ± 0.21^a	3.50 ± 0.22^a
P value	NS	0.000	0.000	0.000	0.000
S.E.M	0.00	0.062	0.23	0.21	0.26

^a,b,c,means, with different superscripts within a same line, are significantly different according to Tukey’s HSD multiple range test (P < 0.05).
P probability, S.E.M standard error mean. NS not significant