Figure 30. Rhizoctonia species may spread directly from leaf to leaf as hyphae. Because fungal hyphae are sensitive to desiccation, this process requires high humidity or abundant moisture. (Courtesy L.P. Tredway)
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Figure 30. Rhizoctonia species may spread directly from leaf to leaf as hyphae. Because fungal hyphae are sensitive to desiccation, this process requires high humidity or abundant moisture. (Courtesy L.P. Tredway) |