The Abundance and Diversity of Soil Fungi in Continuously Monocropped Chrysanthemum

Table 4

The pathogenicity of two Fusarium sp. isolates present in diseased chrysanthemum plants.

Strains	No. of plants inoculated	Infection rate (%)	Wilt index^a
Fusarium solani CFD-1	160	96.3	3.6
Fusarium oxysporum CFD-1	144	97.9	3.7

aRepresenting wilt index at 28 dpi, 0: no wilting; 1: slight wilting on some leaves; 2: most leaves wilted; 3: leaves severely wilted but green; 4: plants wilted and dead.