Evaluation of the fungal activity of Beauveria bassiana, Metarhizium anisopliae and Paecilomyces lilacinus as biocontrol agents against root-knot nematode, Meloidogyne incognita on cowpea

Bulletin of the National Research Centre

Table 4 Number of the root-knot nematode, Meloidogyne incognita infecting cowpea, number of gall and number of bacterial nodules as affected by three culture filtrates from Beauveria bassiana, Metarhiziam aniisopliae, and Paecilomyces lilacinus

Treatments	Dilution	Mean no. of reproductive parameters of nematode			Mean no. of galls/root system	Mean no. of bacterial nodules/root system
Treatments	Dilution	J₂s in soil/pot	J₂s in roots/root system	Egg masses/root system	Mean no. of galls/root system	Mean no. of bacterial nodules/root system
Beauveria bassiana	S	1500ef	50e	11ef	16de	50a
	S/2	2200cd	60e	13def	18de	48ab
	S/4	4000b	110c	18bc	26c	36e
Metarhiziam aniisopliae	S	1300f	83d	11ef	20de	42cd
	S/2	2000de	128c	14de	21d	39de
	S/4	2700c	150b	20b	32b	35e
Paecilomyces lilacinus	S	1500ef	60e	6g	15e	47abc
	S/2	2500cd	80d	10f	17de	44bcd
	S/4	4200b	80d	15cd	20de	38de
Untreated (control)	–	11,000a	350a	38a	66a	29f