Abstract
Abstract “No choice” procedures were established to complement “free choice” procedures for determining resistance of apple fruit to 4 insect pests. ‘Starking Delicious’ was more resistant to damage by apple maggot, Rhagoletis pomonella (Walsh) than ‘Jonathan’ or ‘Golden Delicious’. There were no differences in damage to ‘Jonathan.’ ‘Golden Delicious’ and ‘Starking Delicious’ by plum curculio, Conotrachelus nenuphar (Herbst) or redbanded leafroller, Argyrotaenia velutinana (Walker). The resistance of some apple scab resistant selections to these insects and codling moth, Laspeyresia pomonella (L.) previously determined in a “free choice” test was confirmed in this “no choice” test.
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