Pest control monitoring orchards

In order to be able to effect plant protection in a way that is as economical as possible and does the least possible harm to beneficials, it is important to precisely monitor the occurrence of pests and beneficials in the orchard. Direct control measures should be carried out only after the damage threshold is exceeded. 

Protection Offered Use sticky red spheres in your apple orchard to monitor the arrival and departure of apple maggot flies this knowledge is useful if you choose to spray your trees to control apple maggots. You can also control these pests by concentrating several traps in small areas. 

This section will review selected field tests that have been carried out to establish monitoring or control systems with behavior modifying chemicals. Actually, four orders of insects, Lepidoptera, Coleoptera, Hymenoptera, and Diptera, contain most pests for which manipulation by behavior modifying chemicals has been attempted. (A few studies of tick pheromones have been reported.) It is convenient to divide them into pests of forest and shade trees, orchard trees and vines, field crops, stored products, and those that directly afflict humans or animals. 

Throughout the apple and pear orchards of Canada and northwestern U. S., only a few major pests need be contained population monitoring and control are especially promising. Monitoring, combined with visual inspection for the codling moth, Laspeyresia pomonella, is successfully... 

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