Bulletin of the National Research Centre

Table 1 Effects of plant growth-promoting bacteria and Trichoderma species on growth parameters of faba bean without Orobanche crenata treatment under greenhouse conditions (Experiment I)

From: Applications of plant growth promoting bacteria and Trichoderma spp. for controlling Orobanche crenata in faba bean

Treatments	Faba bean growth parameters
	Shoot length		Fresh weight		Dry weight		Leaf no.
	cm	Incr.%	g/plant	Incr.%	g/plant	Incr.%	No./ plant	Incr.%
Two months
Untreated plants	32.9^a*	–	19.1^a	–	3.49^a	–	14.0^b	–
Nutrient broth only	33.5^a	2	21.1^a	11	4.06^a	16	16.8^ab	20
P. fluorescens	34.1^a	4	25.1^a	31	4.58^a	31	18.6^a	33
B. subtilis	35.4^a	8	23.6^a	24	4.30^a	23	16.9^ab	21
B. pumilus	34.9^a	6	25.7^a	35	4.66^a	34	18.9^a	35
Malt extract medium	33.3^a	1	20.5^a	7	3.74^a	7	15.5^ab	11
T. harzianum	34.9^a	6	22.3^a	17	3.85^a	10	17.0^ab	21
T. viride	35.1^a	7	22.2^a	16	4.03^a	16	18.5^a	32
T. vierns	36.0^a	9	25.1^a	31	4.59^a	32	16.3^ab	16
Four months
Untreated plants	47.5^c	–	38.9^c	–	5.00^b	–	32.8^c	–
Nutrient broth only	54.0^bc	14	47.9^c	23	6.00^b	20	33.1^c	1
P. fluorescens	60.4^ab	27	89.5^a	131	11.19^a	124	45.8^abc	40
B. subtilis	57.8^ab	22	79.6^ab	104	9.94^a	99	42.4^abc	29
B. pumilus	59.6^ab	26	85.3^a	119	10.53^a	111	49.8^a	52
Malt extract medium	55.8^ab	18	51.9^c	33	6.49^b	30	36.6^bc	12
T. harzianum	54.3^abc	14	55.6^bc	43	6.61^b	32	42.6^abc	30
T. viride	60.5^ab	27	80.3^ab	106	9.93^a	99	44.0^abc	34
T. vierns	62.3^a	31	82.4^a	112	10.31^a	106	41.8^abc	27
Six months
Untreated plants	80.8^e	–	79.3^b	–	12.63^c	–	46.8^c	–
Nutrient broth medium	84.5^de	5	80.4^b	1	15.25^bc	21	47.1^c	1
P. fluorescens	95.5^abc	18	86.5^ab	9	16.80^bc	33	63.0^b	35
B. subtilis	105.6^a	31	92.5^ab	17	18.00^bc	43	54.1b^c	16
B. pumilus	94.1^bcd	17	85.1^b	7	17.20^bc	36	52.1^bc	11
Malt extract medium	89.0^cde	10	80.6^b	2	14.75^bc	17	51.5^bc	10
T. harzianum	98.6^abc	22	88.5^ab	12	17.83^bc	41	56.1^bc	20
T. viride	102.3^ab	27	94.6^ab	19	19.70^b	56	63.0^b	35
T. vierns	103.3^ab	28	108.6^a	53	25.73^a	104	76.8^a	64

*In each column (for each month) followed by the same small letter are not significantly different according to Duncan’s multiple range test (p = 0.05)

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