Host-parasite relationships of the hyperparasite Ampelomyces quisqualis and its powdery mildew host Sphaerotheca fuliginea |
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Authors: | L. Sundheim T. Krekling |
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Affiliation: | Norwegian Plant Protection Institute, Division of Plant Pathology, 1432 Ås-NLH, Norway, Instrument Service, Norwegian Agricultural Research Council, 1432 Ås-NLH, Norway |
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