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Control of cucumber powdery mildew by the hyperparasite Ampelomyces quisqualis and fungicides
Author(s) -
SUNDHEIM L.
Publication year - 1982
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1982.tb01270.x
Subject(s) - powdery mildew , sphaerotheca , biology , horticulture , fungicide , inoculation , botany
Application of conidial suspensions of the hyperparasite Ampelomyces quisqualis to greenhouse cucumbers inoculated with Sphaerotheca fuliginea increased cucumber yield compared with an untreated control. Similar yield increases were obtained with triforine and also when a reduced rate of triforine and the hyperparasite were combined. A. quisqualis extensively parasitized S. fuliginea and also, in experiments with commercial cucumber crops, Erysiphe cichoracearum.