Mass production of entomopathogenic fungi Purpureocillium lilacinum PL1 as a biopesticide for the management of Amrasca devastans (Hemiptera: Cicadellidae) in okra plantation

Egyptian Journal of Biological Pest Control

Table 4 Effectiveness of Purpureocillium lilacinum PL1 and abamectin on the control of Amrasca devastans nymphs in okra field following 2 spraying treatments for 7 days

Treatments	Before treatment	1st treatment		2nd treatment
Treatments	Number of A. devastans (nymphs/leaf)	Number of A. devastans nymphs/leaf	Percentage of nymph reduction (%)	Number of A. devastans (nymphs/leaf)	Percentage of nymph reduction (%)
Untreated	6.45 ± 2.12^a	6.61 ± 1.05^a	–	7.96 ± 2.31^a	–
Purpureocillium lilacinum PL1	6.90 ± 1.61^a	2.40 ± 1.98^c	64.46^a	2.27 ± 1.25^c	72.87^a
Abamectin	6.87 ± 1.33^a	4.50 ± 1.05^b	32.22^b	4.95 ± 2.03^b	34.67^b

Different superscript letters (a–c) within a column indicate statistically significant differences between groups (p < 0.05). The statistical analysis was conducted using ANOVA followed by Duncan's test (p < 0.05)