Alternate Hosts of Apple Maggot as a Threat to Apples
Author: Wee Yee
Published: 2006
Summary: The objectives of this project were: 1) Determine apple maggot abundance and prevalence on alternate and normal host trees, including hawthorn, in different regions in Washington, with emphasis in central Washington. 2) Determine effects of fruit maturity and spatial relationships between alternate host trees on apple maggot infestations. 3) Determine conditions under which ornamental shrubs and alternate hosts are used by apple maggot through manipulative host studies in apple or hawthorn. 4) Determine frequency of infestations of hawthorn species and apple varieties. 5) Determine abundance of hawthorns and alternate hosts near representative commercial orchards. 6) Determine acceptance of apple varieties by apple maggots reared from hawthorns and alternate hosts.
