Resistance to powdery mildew disease in hops (Humulus lupulus L.)
The virulence of eight isolates of Sphaerotheca humuli (DC.) Burr, was examined on nine varieties of hops (Humulus lupulus L.). Genotypes determined for varieties with race specific resistance generally agreed with previous reports. Although major genes for resistance usually conferred immunity from...
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Imperial College London
1985
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| Online Access: | https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.762122 |