Abstract
A sample of 483 Fragaria chiloensis (L.) Duchesne x ( F. X ananassa Duchesne) seedlings, derived from four crosses, exhibited highly significant variation in resistance to adult black vine weevil, Otiorhynchus sulcatus (F.), feeding. In some tests, resistance to feeding was negatively correlated with the degree of pubescence, but only about 1% of the variation in resistance could be explained in terms of hair number, and leaves of some resistant seedlings bore few hairs. This is the first study to show that selection for black vine weevil resistance among F. chiloensis x ( F. X ananassa) crosses is possible. The bases for resistance are unknown, and it appears that resistance can be expressed without a dense covering of simple hairs.
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