chapter  Chapter 12
17 Pages

Time-Sequential Sampling for Taking Tactical Action

ByLarry P. Pedigo

A primary objective of most established Integrated pest management (IPM) programs is to cure an acute or chronic crop disorder caused by pests. Time-sequential sampling plans are used similarly to those of conventional (spatial) sequential sampling. Either the damaging stage or the non-damaging stage of a pest can be sampled for use in IPM decision making. Samples of adult moths were taken by using a flushing technique. In some instances it may be advantageous or even necessary to delay pest management decisions until the damaging stage of a pest is present, rather than sampling the non-damaging stage. A computer program, written by J. W. van Schaik and modified by M. J. Wallendorf, performs necessary calculations for the development of a TSS plan. The code listing was written in BASIC language and prompts the user for all information required for calculations.