. Manual of fruit insects. be carefully protected. During the winter they feed in smallflocks, going over the same territory day after day, carefullyexamining every portion of the bark for insect food. Theymay be induced to visit an orchard regularly by tying stripsof beef fat to a few of the branches and the destruction ofcodlin-moth larva will more than pay for the trouble involved. Means of control. When single brooded or when the second generation is onlypartial, the codlin-moth has not been found a very difficult APPLE INSECTS 19 pest to control by spraying with an arsenical poison. Inthe
. Manual of fruit insects. be carefully protected. During the winter they feed in smallflocks, going over the same territory day after day, carefullyexamining every portion of the bark for insect food. Theymay be induced to visit an orchard regularly by tying stripsof beef fat to a few of the branches and the destruction ofcodlin-moth larva will more than pay for the trouble involved. Means of control. When single brooded or when the second generation is onlypartial, the codlin-moth has not been found a very difficult APPLE INSECTS 19 pest to control by spraying with an arsenical poison. Inthe South and portions of the West, however, where twoor more full generations develop, spraying has in generalgiven less satisfactory results. In spraying for this insectadvantage is taken of the fact that the great majority ofthe young larvae enter the apple at the blossom end. Forabout two weeks after the petals fall the calyx lobes are spreadwide apart and the young apple stands upright on the stem Fig. 17. — Two later. K
Size: 1004px × 2489px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
