TABLE 2.

Antifungal activity and culture media for the isolation of culturable rhizospheric actinobacteria isolated from the root system of grafted grapevines

Streptomyces isolate	I indexa		Detection of antifungal activityb		Isolation medium	16S rRNA sequence accession no.
	D. seriata	D. macrodidyma	P. chlamydospora	P. minimum
VV/R1	48.75	55.06	+	+	ISP2	KY978704
VV/R2	45.52	53.20	−	+	SC	KY978705
VV/R3	42.58	49.13	−	−	ISP2	KY978706
VV/R4	51.69	50.77	+	+	SC	KY978707
VV/R5	55.60	51.43	+	+	SC	KY978708
VV/R6	47.84	44.57	ND	ND	SC	KY978709
VV/R7	51.83	41.22	ND	ND	DPA	KY978710
VV/R8	51.04	44.40	ND	ND	SAA	KY978711
VV/R9	54.14	21.55	ND	ND	ISP2	KY978712
VV/R10	45.65	48.44	ND	ND	SC	KY978713
VV/R11	45.52	35.23	ND	ND	SC	KY978714
VV/R12	44.61	49.07	ND	ND	SC	KY978715
VV/R13	52.03	46.41	ND	ND	ISP2	KY978716
VV/R14	56.95	43.42	ND	ND	SC	KY978717
VV/R15	49.47	48.67	ND	ND	ISP2	KY978718
VV/R16	45.65	—	ND	ND	DPA	KY978719
VV/R17	40.48	—	ND	ND	SC	KY978720
VV/R18	62.27	—	ND	ND	SC	KY978721
VV/R19	48.66	—	ND	ND	SC	KY978722
VV/R20	44.67	—	ND	ND	SAA	KY978723
VV/R21	40.61	—	ND	ND	SAA	KY978724
VV/R22	55.21	—	ND	ND	ISP2	KY978725
VV/R23	48.27	47.02	ND	ND	SC	KY978726
VV/R24	40.71	—	ND	ND	ISP2	KY978727
VV/R25	80.50	—	ND	ND	ISP2	KY978728
VV/R26	62.87	—	ND	ND	DPA	KY978729
VV/R27	90.81	—	ND	ND	SC	KY978730
VV/R28	43.59	—	ND	ND	SC	KY978731
VV/R29	44.95	—	ND	ND	ISP2	KY978732

^aInhibition index (I index) values shown are the average of three independent experiments. —, species not showing antifungal activity against D. seriata or D. macrodidyma.

^bND, not determined.