Phytochemical profiles, antioxidant and antimicrobial activities of three Potentilla species

Table 8 Preliminary antifungal activity of three Potentilla leaf extracts (concentration used 50 mg/mL) against 20 plant pathogenic fungi

Pathogenic fungi	Inhibiting rate /%
Pathogenic fungi	P. fruticosa	P. glabra	P. parvifolia
Alternaria alternata	50.91 ± 0.15^a	50.91 ± 0.36^a	56.36 ± 0.00^a
Alternaria brassicae	60.87 ± 3.26^a	63.04 ± 3.77^a	56.52 ± 3.77^a
Alternaria solani	49.18 ± 2.84^b	47.54 ± 2.64^b	39.34 ± 2.18^a
Bipolaris sorokininan	49.09 ± 3.15^c	25.45 ± 3.63^a	36.36 ± 3.15^b
Botrytis cinerrea	ND	ND	ND
Cladosporium fulvum	35.48 ± 2.79^a	43.55 ± 2.79^b	50.81 ± 1.40^c
Colletotrichum gloeosporioides	54.55 ± 3.15^c	41.82 ± 3.21^b	32.73 ± 2.82^a
Verticillium dahliaee	54.72 ± 2.83^b	33.96 ± 3.27^a	32.08 ± 0.01^a
Dothiorella gregaria	28.00 ± 0.01^a	32.00 ± 3.46^a	28.00 ± 0.01^a
Fusarium oxysporum	42.11 ± 3.26^b	47.37 ± 0.04^b	33.33 ± 3.04^a
Glomerella cingnlata	61.76 ± 2.94^b	52.94 ± 1.88^a	52.94 ± 0.07^a
Phacidiopycnis washingtonensis	46.55 ± 2.99^c	37.93 ± 0.00^a	43.10 ± 0.03^b
Physalospora piricola	55.88 ± 2.94^a	56.67 ± 2.38^a	56.86 ± 3.40^a
Piricularia oryzae	36.96 ± 3.77^b	23.91 ± 3.17^a	30.43 ± 3.76^ab
Rhizoctonia cerealis	25.20 ± 3.02^a	26.80 ± 2.08^a	25.20 ± 2.50^a
Sclerotinia cerealis	ND	7.27 ± 2.46^a	11.36 ± 0.62^b
Thanatephorus cucumeris	62.07 ± 1.98^c	36.21 ± 2.99^a	50.86 ± 2.59^b
Valsa mali	43.64 ± 3.15^b	32.73 ± 3.15^a	45.45 ± 1.45^b
Venturia pyrina	56.00 ± 3.46^b	54.00 ± 1.73^a	66.00 ± 3.46^c
Verticillium dahliae	40.74 ± 3.21^c	25.93 ± 3.21^a	33.33 ± 0.01^b

Each values represented in tables are means ± SD (N=3).
Values with different letters (a, b, c) within same row are significantly different (P<0.05).
ND: not determined at tested concentrations.

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