Application of Bacillus species for controlling root-knot nematode Meloidogyne incognita in eggplant

Bulletin of the National Research Centre

Table 4 Effects of Bacillus spp., single or in combination treatments at dose of 20 ml ∕ pot, on vegetative parameters of eggplants in pots (Experiment, I)

Bacillus spp.	Vegetative parameters
	Shoot length (cm)		Shoot fresh weight (g)		Shoot dry weight (g)		Leaf no.		Fresh root weight (g)
	Length (cm)	Inc. %	Weight (g)	Inc. %	Weight (g)	Inc. %	NO.	Inc. %	Weight (g)	Inc. %
Nematode only	22.75^d*	–	15.95^d	–	2.55^c	–	16.75^b	–	4.28^b	–
NGB medium only	28.25^cd	24	21.90^cd	37	2.63^f	3	21.25^b	27	4.35^b	2
Micronima®	37.75^bc	114	26.13^bc	64	3.36^e	32	23.50^ab	40	5.08^b	19
Bacillus sp.	36.25^bcd	59	34.95^b	119	4.04^d	58	28.25^ab	69	7.68^ab	79
B. subtilis	35.00^bcd	54	33.45^b	110	6.06^c	138	29.75^ab	78	7.68^ab	79
B. pumilus	40.00^bc	76	26.70^bc	67	3.26^e	28	29.50^ab	76	6.30^b	47
Bacillus sp. + B. subtilis	59.00^a	159	58.60^a	267	9.39^a	268	37.00^a	121	13.13^a	207
Bacillus sp. + B. pumilus	50.00^ab	120	27.98^bc	75	6.30^b	147	27.75^ab	66	9.23^ab	116
B. subtilis + B. pumilus	43.25^b	90	28.28^bc	77	6.34^b	149	27.50^ab	64	6.10^b	43
Bacillus sp. + B. subtilis + B. pumilus	48.75^ab	114	29.38^bc	84	6.33^b	148	23.50^ab	40	9.10^ab	113

Means followed by different superscript letters are significantly different according to Duncan’s multiple range test at P ≤ 0.05
Inc. increase
*Means are averages of four replicates