Oviposition and settling behavior in three-choice bioassays.

<p><b>a</b>. The mean number (standard error) of psyllids on pepper, potato and tomato in three-choice bioassays. Identical capital letters above bars indicate no significant difference in contrasts. <b>b</b>. The mean number of eggs on pepper, potato and tomato in three-choice bioassays, when reared on either pepper or tomato.