Unearthing a Solution to Cassava Root Rot:: Cassava brown streak disease is a viral disease damaging the roots and is not obvious until the crop is harvested. Information on the symptoms, prevalence and control of this disease.
Pythium Root Rot:: Photographs of bean pods affected by Pythium spp.
Damping-off and Root Rot of Beans:: Photographs of beans affected with these diseases, the symptoms, causal organisms and management.
Phytophthora Root Rot of Soybeans:: Caused by the soil-borne fungus Phytophthora megasperma var sojae, this is one of the most serious diseases of soybeans. Information on the symptoms, the life cycle of the fungus, and possible control methods. [PDF]
Red Stele Root Rot of Strawberry:: Photograph of plants affected by Phytophthora fragariae fragariae.
Charcoal Rot or Black Root Disease:: Photograph of a lesion on a stem caused by Macrophomina phaseolina.
Pine Root Rot: A Biocontrol System:: Information on the use of the weakly parasitic fungus, Phlebiopsis gigantea, to prevent the attack of the pathogenic fungus, Heterobasidion annosum.
Armillaria Root Rot of Trees and Shrubs:: Factsheet on the serious fungal disease caused by Armillaria mellea, the signs and symptoms, disease cycle and control, with lists of susceptible and resistant species.
Blackleg, Aerial Stem Rot, and Tuber Soft Rot of Potato:: Photographs of these diseases affecting potatoes, the symptoms, causal organisms and management.
Cassava Mosaic Disease:: Photograph of affected foliage, and notes on the symptoms of this disease, the conditions that favor its development and preventative control measures.
- New Additions: Cassava