Puccinia striiformis is a fungal species and plant pathogen.
The species is common in Europe and in more recent years has become a problem in Australia.
These strains – commonly called stripe rusts of wheat and other grasses – were redefined as a sensu lato and separated into four species based on molecular and morphological studies: Puccinia striiformis sensu stricto (on Aegilops, Elymus, Hordeum and Triticum spp.
[4] P. striiformis, can greatly decrease wheat yield in northern Punjab and Khyber Pakhtunkhwa (NWFP).
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