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 6 Number of root-knot nematode, Meloidogyne incognita infecting cowpea, number of galls and number of nodules as affected by three spore concentrations 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 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 nodules/root system
Beauveria bassiana	1 × 10⁸	1000 g	98cde	12bc	22bc	35de
	1 × 10⁷	2500d	113bc	15b	24b	33de
	1 × 10⁶	4050b	120b	16b	27b	32de
Metarhiziam aniisopliae	1 × 10⁸	800 h	55 g	10 cd	17 cd	50a
	1 × 10⁷	2200e	75f	13bc	18 cd	46ab
	1 × 10⁶	3500c	75f	15b	25b	34de
Paecilomyces lilacinus	1 × 10⁸	500i	83ef	6d	11e	44abc
	1 × 10⁷	600i	90def	7d	15de	39bcd
	1 × 10⁶	1750f	105bcd	12bc	22bc	35de
Untreated (control)	–	11000a	350a	38a	66a	29e