Ramularia threat increased by mildew resistance gene
The gene that provides resistance to powdery mildew in barley increases the threat of ramularia leaf spot according to new research.
The mlo gene has significantly helped reduce the threat of powdery mildew in
Scientists confirmed the trade off in a paper published in the
The research has paved the way for future breeding developments with barley lines that are bred to be resistant to both diseases.
“It has struck us that plant breeding relying on the successful use of a single major resistance gene can increase susceptibility to another disease,” said plant breeder
“We have been observing more ramularia than in the past and now that we know what is happening on a genetic level we can do something about it,” he explained.
The research was supported by the
(More on disease in winter wheat
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