Using Commercial Compost as Control Measures against Cucumber Root-Rot Disease

Table 9

Effect of potting soil amendment with compost mixture on total microbial counts in the rhizosphere of cucumber (Beit-Alpha cv.) plants grown in artificially infested soil with root-rot pathogens under greenhouse conditions.

Treatments	Potting soil infested with
	F. solani		R. solani		S. rolfsii		P. ultimum
	B	A	B	A	B	A	B	A
	Total count of fungi (1×10^4 cfu/g dry soil)
Compost (A)	11.2	12.2	10.0	11.0	9.6	9.8	9.6	10.0
Compost (B)	12.6	13.2	18.0	17.8	19.0	19.4	18.6	19.4
Compost (C)	10.2	10.4	11.0	10.8	14.8	14.2	15.0	15.2
Compost (D)	9.2	9.2	12.4	13.0	16.2	16.0	13.0	13.6
Compost (E)	8.6	9.2	11.2	10.8	11.6	11.2	11.2	11.4
Control	11.6	12.6	13.0	13.8	15.2	16.0	19.8	19.2
	Total count of bacteria (1×10^7 cfu/g dry soil)
Compost (A)	12.2	22.2	13.6	22.0	13.4	21.6	13.2	22.4
Compost (B)	15.8	26.4	14.8	24.6	14.2	26.6	13.8	24.2
Compost (C)	5.6	13.8	5.2	14.2	4.4	13.2	4.0	13.4
Compost (D)	4.4	12.6	3.6	12.2	4.2	7.2	3.6	11.2
Compost (E)	10.8	20.4	9.8	20.2	10.2	19.0	8.8	19.0
Control	1.4	4.6	1.2	7.4	1.6	8.6	1.6	7.4
	Total count of actinomycetes (1×10^5 cfu/g dry soil)
Compost (A)	3.4	12.6	3.4	13.2	4.4	11.8	3.0	12.8
Compost (B)	5.4	15.4	5.2	17.0	3.4	16.0	5.0	15.4
Compost (C)	3.4	14.4	3.0	14.8	2.6	14.2	3.2	14.4
Compost (D)	1.2	10.0	1.2	10.2	1.6	10.2	1.8	11.8
Compost (E)	3.2	12.6	2.6	13.4	3.0	13.2	1.6	10.8
Control	0.4	1.6	0.4	2.0	0.6	1.8	0.8	2.2
LSD at 5%	2.78	3.05	3.33	2.63	4.03	3.05	4.09	2.96

B: before sowing; A: after 45 days of sowing.