Rice stem rot
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. (http://www.knowledgebank.irri.org/training/fact-sheets/pest-management/diseases/item/stem-rot); and CABI (2018) Magnaporthe salvinii (stem rot) Crop Protection Compendium. (http://www.cabi.org/cpc); and from Elazegui F, Islam Z (2003) Diagnosis of common diseases of rice. International Rice Research Institute. (http://www.knowledgebank.irri.org/images/docs/diagnostic-of-common-diseases-of-rice.pdf). Photo 2&3 Donald Groth, Louisiana State University AgCenter, Bugwood.org. Photo 4 Milton Rush, Plant Pathology, Louisiana State University, Bugwood.org.
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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