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Fig. 1. A, Symptoms induced by Rhizoctonia solani AG-5 in peas and carrots. B, Pie chart representing the hosts from which the R. solani AG-5 isolates listed in Table 1 were obtained.
Fig. 2. Distribution of Rhizoctonia and related fungal isolates among the five major crop groups in Sweden (Fabaceae, primarily pea; carrot; sugar beet; potato; and Brassicaceae) and the anastomosis group (AG) composition within the three most represented crops. The central pie chart shows the relative number of isolates collected from each crop group, with Fabaceae (primarily pea), carrot, and sugar beet being the most dominant. Surrounding pie charts depict the AG distribution (expressed as percentages) within pea, carrot, and sugar beet.
Fig. 2. Effect of α-pinene on hyphal morphology of Rhizoctonia solani. A, The mycelium, B, result observed by the optical microscope, and C, result observed by the scanning electron microscope of normal R. solani. D, The mycelium, E, result observed by the optical microscope, and F, result observed by the scanning electron microscope of R. solani treated with α-pinene (1.0 mg/ml).