h. oryzae h. oryzae h. oryzae may refer to: heterodera oryzae, a plant nematode. hirschmanniella oryzae, a plant nematode. intrasporangium oryzae, (formerly humihabitans oryzae) a gram-positive bacterium. this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.