A RUST disease of maize has been known in West Africa for many years. Collections prior to 1949 were all of Puccinia sorghi Schw., both uredo- and teleuto-spores. The damage done to the crop was ...

The rust pathogen, Puccinia thlaspeos, is used for biocontrol of dyer's woad. Rust infection results in chlorotic leaves and abnormal flower and seed production of this noxious weed during its second ...

This is a preview. Log in through your library . Abstract Yellow Rust had a considerable effect on the yield of the spring wheat Jufy I, that of severely infected plants being reduced by as much as 64 ...

Early in April, I was looking for the first of the spring flowers in the mountains and had found pasque flowers and, to my surprise, mountain ball cactus in bloom at Meyers Gulch, near Walker Ranch.