An economic threshold (ET) is defined as: ‘the pest population likely to cause damage equal in value to the cost of control (pesticide plus application).’ Such a population is known as the ‘critical’ or ‘break …

This level of injury occurs before economic loss. Expressed in terms of yield, economic loss is reached at the gain threshold, and the gain threshold is beyond the damage boundary. For high value …

Economic thresholds can be expressed in a variety of ways including the number of insects per plant or per square metre, the amount of leaf surface damage, etc. In many cases, thresholds have been …

An economic threshold (ET) is typically the pest population density at which a pest control action (e.g., pesticide, biological control, cultural control, etc.) should be taken in order to prevent an increasing …

Economic threshold. The pest density at which management action should be taken to prevent an increasing pest population from reaching the economic injury level."

Read the following two fact sheets for a description of Integrated Pest Management and the terms that Stern and his colleagues defined in 1959, which are still used today (economic injury level, economic …

Apr 10, 2025 · Thus, “Economic Threshold” linguistically signifies the ‘financial limit’ or ‘cost-based point of entry’ for action. Its adoption in IPM cemented this meaning → the pest population level at which …