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Development of molecular markers for powdery mildew resistance to support breeding for high quality hops
Seefelder, S., Lutz, A. and Seigner, E.

Powdery mildew is one of the most important fungal diseases on hop (Humulus lupulus). In this research project molecular markers were developed to support the time-consuming and difficult work of hop resistance breeding without modifying the genome. Using the AFLP (amplified fragment length polymorphism) technique, a PCR based method, in combination with a newly established leaf resistance test system specific DNA markers could be detected associated with the presence of specific powdery mildew resistance genes. Using these markers the efficiency in selecting for powdery mildew resistant seedlings can be increased.

Descriptors: Humulus lupulus, breeding, marker assisted selection, powdery mildew, molecular marker

BrewingScience - Monatsschrift fr Brauwissenschaft, 59 (May/June 2006), pp. 100-104