Effect of Commercial Cyanobacteria Products on the Growth and Antagonistic Ability of Some Bioagents under Laboratory Conditions

Table 1

Effect of algal compounds on the growth of some antagonistic and pathogenic soil-borne fungi in vitro.

Tested fungi	Control		Weed-Max						Oligo-X
	0.0		0.5%		1.0%		2.0%		0.5%		1.0%		2.0%
	𝐿^∗ (mm)	𝑅^∗∗ %	𝐿 (mm)	𝑅 %	𝐿 (mm)	𝑅 %	𝐿 (mm)	𝑅 %	𝐿 (mm)	𝑅 %	𝐿 (mm)	𝑅 %	𝐿 (mm)	𝑅 %
A. solani	90^a	0	62^c	31.1	53^d	41.1	45^e	50.0	65^c	27.7	55^d	38.8	45^e	50.0
F. solani	90^a	0	50^d	44.4	47^e	47.7	40^e	55.5	58^d	35.5	51^d	43.3	43^e	52.2
F. oxysporum	90^a	0	58^d	35.5	45^e	50.0	35^f	61.1	63^c	30.0	55^d	38.8	41^e	54.4
R. solani	90^a	0	50^d	44.4	44^e	51.1	40^e	55.5	57^d	36.6	55^d	38.8	45^e	50.0
S. rolfsii	90^a	0	53^d	41.1	46^e	48.8	33^f	63.3	56^d	37.7	53^d	41.1	42^e	53.3
S. sclerotiorum	90^a	0	49^e	45.5	40^e	55.5	35^f	61.1	46^e	48.8	40^e	55.5	35^f	61.1
S. minor	90^a	0	43^e	52.2	39^f	56.6	32^f	64.4	48^e	46.6	42^e	53.3	33^f	63.3
T. harzianum	90^a	0	90^a	0	86^a	4.4	78^b	13.3	90^a	0	85^a	5.5	79^b	12.2
T. viride	90^a	0	90^a	0	83^a	7.7	74^b	17.7	90^a	0	82^a	8.8	78^b	13.3
T. hamatum	90^a	0	90^a	0	80^a	11.1	72^b	20.0	90^a	0	81^a	10.0	74^b	17.7

Mean values within columns followed by the same letter are not significantly different (𝑃≤0.05).
^∗𝐿: linear fungal growth (mm).
^∗∗𝑅: reduction in fungal growth calculated relatively to fungal growth in control (free of algal compounds).