Pacific Pests and Pathogens Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition

Rice stem rot (430) Print Fact Sheet


Common Name

Rice stem rot

Scientific Name

Magnaporthe salvinii. It is also known under its asexual names, Leptosphaeria salvinii and Sclerotium oryzae. Note, a similar fungus, identified as Sclerotium hydrophilum, associated with infections of the outer leaf sheath of rice and weed grasses occurred on the Guadalcanal Plains, Solomon Islands, in the mid-1970s.

AUTHOR Grahame Jackson
Information (and Photo 1) from Stem rot. Rice Knowledge Bank. IRRI. (; and CABI (2018) Magnaporthe salvinii (stem rot) Crop Protection Compendium. (; and from Elazegui F, Islam Z (2003) Diagnosis of common diseases of rice. International Rice Research Institute. ( Photo 2&3 Donald Groth, Louisiana State University AgCenter, Photo 4 Milton Rush, Plant Pathology, Louisiana State University,

Produced with support from the Australian Centre for International Agricultural Research under project HORT/2016/185: Responding to emerging pest and disease threats to horticulture in the Pacific islands, implemented by the University of Queensland and the Secretariat of the Pacific Community.

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