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 10 Effect of three spore concentrations from Beauveria bassiana, Metarhiziam aniisopliae, and Paecilomyces lilacinus on vegetative parameters and yield of cowpea infected by root-knot nematode, Meloidogyne incognita

Treatments	Concentration	Shoot parameters			Root parameters		Pod parameters
		Shoot parameters			Root parameters		No.	Weight (g)
		Length (cm)	Fresh weight (g)	Dry weight (g)	Fresh weight (g)	Dry weight (g)	No.	Weight (g)
Beauveria bassiana	1 × 10⁸	59.0b	63.8b	11.9c	8.9b	3.2a	5a	4.9a
	1 × 10⁷	48.0f	44.7e	9.7f	8.6b	2.7bc	4ab	3.8c
	1 × 10⁶	47.7f	42.8f	7.9h	6.9ef	2.5cd	3b	3.1de
Metarhiziam aniisopliae	1 × 10⁸	55.3c	64.8b	13.1b	10.8a	2.9b	4ab	4.5b
	1 × 10⁷	52.8d	56.9c	11.1d	7.9c	2.6c	3b	3.8c
	1 × 10⁶	50.1e	50.5d	10.1e	7.3d	2.5cd	3b	3.3d
Paecilomyces lilacinus	1 × 10⁸	62.0a	79.6a	17.1a	7.2de	2.5cd	5a	4.5b
	1 × 10⁷	54.5c	50.9d	10.1e	6.8f	2.4 cd	4ab	3.9c
	1 × 10⁶	50.3e	50.0d	8.5g	5.8g	2.2d	3b	3.1de
Untreated (control)	–	46.3f	39.2 g	7.0i	5.0h	1.8e	3b	2.9e