PLANT PATHOGENS Flashcards
Pyricularia grisea (Cooke) Sacc.
Blast
Rhizoctonia solani Kuhn
Sheath blight
Sheath blight and Blast attack which crop?
rice
Sheath blight and Blast in rice are what type of pathogen?
Fungi
Ustilaginoidea virens
False smut
false smut is a type of what pathogen?
Fungi
False smut is a disease of what crop?
rice
Helminthosporium oryzae
Brown spot
Helminthosporium oryzae-brown spot is a type of what pathogen?
Fungi
Brown spot is a disease of what crop?
Rice
Xanthomonas oryzae pv. oryzae
Bacterial leaf blight
Bacterial leaf blight is a disease of what crop?
rice
Xanthomonas oryzae pv. oryzicola
Bacterial leaf streak
Rice tungro bacilliform virus (RTBV) and Rice tungro
spherical virus (RTSV)
Tungro disease
Rice grassy stunt tenuivirus
Grassy stunt disease
Grassy stunt disease is a type of what pathogen?
Virus
Grassy stunt disease attacks what crop?
Rice
Rice ragged stunt virus
Ragged stunt disease
Aphelenchoides besseyi
White tip disease of rice
White tip disease of rice is a type of what pathogen?
Nematode
Xanthomonas vasicola pv. vasculorum
Bacterial leaf streak
Dickeya chrysanthemi pv. zeae
Bacterial stalk rot
Puccinia polysora
Rust
Puccinia polysora - Rust is a type of what pathogen?
Fungi
Aspergillus flavus
Ear rot
Ear rot is a type of what pathogen?
Fungi
Physoderma maydis
Brown spot
Fusarium sp. Pythium sp.
Seedling blight/seed rot
Exserohilum turcicum
Northern leaf blight
Northern leaf blight is a type of what pathogen and a disease of what crop?
Fungi, coconut
Cercospora musae Zimm.
Sigatoka
Colletotrichum musae v. Arx
Anthracnose
Anthracnose is a type of what disease?
Fungi
Banana bunchy top virus (BBTV)
Bunchy top
Colletotrichum gloeosporoides Penz
Anthracnose of Mango