Plant Trait Ontology

Last uploaded: January 14, 2026
Id http://purl.obolibrary.org/obo/TO_0000175
http://purl.obolibrary.org/obo/TO_0000175
Preferred Name

rice bacterial blight disease resistance

Definitions
Symptoms: lesions usually start near the leaf tips or leaf margins or both, and extend down the outer edge(s). Young lesions are pale to grayish green, later turning yellow to grey (dead) with time. In very susceptible varieties, lesions may extend to the entire leaf length into the leaf sheath. Young leaves should not be inoculated for assay. Old or leaves with symptoms of nutrient deficiency or other diseases should also be avoided for inoculation. A bacterial blight disease resistance (TO:0000770) that is involved in the response to rice bacterial blight disease. Causal agent: Xanthomonas oryzae pv. oryzae.
Synonyms
leaf blight (related)
BBRS (related)
BB (related)
Type http://www.w3.org/2002/07/owl#Class
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