Abstract
Abstract Insecticides were applied to 35-yr-old 'Montmorency' trees in single unreplicated blocks of approximately one-half acre, each with about 40 trees. Applications were made with a 32 TMG Myer sprayer, which traveled at 4.03 km/h and delivered 100 Jal/acre. Dates of application were 13 May (petal fall) for plum curculio control and 1 and 14 Jul for maggot control. The first maggot application was timed jne week after the first adult catch on yellow sticky boards baited with ammonia acetate. The fungicide program consisted of Tilt at 240 ml/acre at petal fall ind Benelate 50WP at 680 g/acre included with the two maggot control applications in July. Evaluations of the treatments consisted of picking 8 pints of cherries from centrally located trees in each treatment block. The fruit was then blended in an electric blender at low speed. The resulting slurry was sieved to remove the pulp, and the remaining material was examined for maggot larvae.
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