The resistance of Hordeum bulbosum and its hybrids with H. vulgare to common fungal pathogens |
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Authors: | Xu Jie J W Snape |
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Institution: | (1) AFRC Institute of Plant Science Research, Cambridge Laboratory, Maris Lane, Trumpington, Cambridge, U.K. |
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Abstract: | Summary Two tetraploid and two diploid clones of Hordeum bulbosum were screened for resistance to five isolates of powdery mildew which are virulent on cultivated barley. All were resistant and this resistance was also expressed in hybrids with H. vulgare. The tetraploid genotypes were also resistant to isolates of yellow rust and brown rust. These results show that H. bulbosum contains useful genes for resistance to these diseases and that there is a potential to transfer these into cultivated barley. |
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Keywords: | Hordeum bulbosum H vulgare disease resistance interspecific hybrids |
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