Phytophthora spp., Pythium spp., Rhizoctonia solani
Soilborne disease complex causing root decay, wilting, and plant death. Favored by overwatering and poor drainage.
Wilting despite adequate soil moisture. Yellowing leaves. Stunted growth. Brown, mushy roots. Plant collapse and death.
Various soilborne fungi and oomycetes that attack roots in wet conditions.
Contaminated soil, water, pots, and tools. Pathogens persist in soil for years.
Overwatering, poor drainage, compacted soil, cool soil temperatures, container growing.
Well-draining soil. Avoid overwatering. Raised beds. Don't plant in low spots. Rotate crops. Use clean containers and media.