ISHS Acta Horticulturae 219: International Symposium on Diptera Pests in Vegetable Crops
PREFERENCE AND NON-PREFERENCE IN MONITORING CABBAGE ROOT FLY, DELIA RADICUM /D. BRASSICAE/, OVIPOSITION BY TRAPS |
| Authors: | H. den Ouden, J. Theunissen |
| Abstract:
In 1984 and 1985, the use of Freuler's Swiss egg trap for recording oviposition of the cabbage root fly has been compared in a preference and a non-preference situation. It is concluded that a non-preference situation gives a more reliable indication of early oviposition of D. radicum. | |
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