Phytotoxins produced by Phoma chenopodiicola, a fungal pathogen of Chenopodium album

Chenopodolan D, chenisocoumarin and chenopodolin B (1, 2 and 3) were isolated as new furopyran isocumarin and ent-pimaradiene from the culture filtrate of Phoma chenopodiicola. 1 and 3 showed phytotoxicity on non-host weeds.