Ascomycete fungal disease response barley net form net blotch disease response jaiswalp An Ascomycete fungal disease response trait (TO:0001145) caused by Pyrenophora teres f. teres. NFNB (exact) TO:0020062 2011-08-19T12:39:36Z Symptoms: in adult plants, initial symptoms are small pinpoint to elliptical brown spots which expand to form narrow, tan to light brown lesions, often delimited by leaf veins. Within lesions, dark brown longitudinal and transverse striations appear forming a net-like pattern. In seedlings, greenish grey, water-soaked areas appear forming brown lesions with netted striations. plant_trait_ontology