Why does ETL dictate pest control?

What is ETL in pest management?

The modern procedure related to pest management system refers to the concept, Economic Threshold Level (ETL). … ETL refers to the density at which control measures should be determined to prevent an increasing pest population from reaching EIL.

Why is it so helpful to determine the EIL and ETL of the insect pest population?

In choosing the kind and amount of pest control, one should establish the ETL first. … EIL is the lowest pest population which will cause economic damage. EIL is very low for the pests infesting the new shoots since their injury directly affects both yield and quality of tea.

What is the purpose of pest control?

Pest control provides protection from harmful insects that can cause public health issues and costly damages to property. When people hear “pest management” or “pest control”, they are typically thinking about the eradication of roaches, a spiders, or fleas.

Why is it important to correctly identify the pest that needs to be controlled?

Pest Identification

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Correct identification of a pest allows you to determine basic information about it, including its life cycle and the time that it is most susceptible to being controlled.

What are the tools of IPM?

Basic Tools of Integrated Pest Management

  • Cultural practices. Cultural methods of pest control consist of regular farm operations in such a way which either destroy the pests or prevent them from causing economic loss. …
  • Mechanical practices. …
  • Genetic practices. …
  • Regulatory practices. …
  • Biological practices. …
  • Chemical practices.

What are ETL and EIL?

Importance of Economic Threshold Level. Concept of Injury Levels. The concept of injury levels helps us to identify the population level at which an insect/pathogen can cause damage to the crop. Most popular terms used in this connection are the economic injury level (EIL) and the economic threshold level (ETL).

What are major pests?

Major pests are the species that need to be controlled. … These are the less serious species of insect that are recorded feeding or ovipositing on a crop plant. Usually they inflict only slight damage on the host, and often their effect is indiscernible.

How is EIL calculated?

The EIL is based on the relation of five primary variables and can be estimated according to the following formula EIL = C/VIDK, in which C represents the cost of management tactic per production unit, V is the price of commodity, I is the injury units per pest, D is the damage per unit of insect injury, and K is the …

What are the limitations of ETL EIL?

Limitations of the EIL Concept and Future Outlook

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Lack of valid EILs. Inability to make cost effective and accurate population estimates. Inability to predict critical ET variables such as market values and population trends. Lack of a simple means to incorporate externalities, especially environmental costs into EILs.

What are the 3 methods of pest control?

Now, let’s see how these pest control methods are used.

  • Physical methods of pest control. This is one of the natural methods of pest control; it is a non-chemical pest control method. …
  • Chemical methods of pest control. …
  • Cultural methods of pest control. …
  • Biological methods of pest control.

What are 3 methods of pest control food hygiene?

Preventing access to food and water:

  • food stores and containers should be pest-proof;
  • spills cleaned up quickly;
  • remove standing water;
  • waste stored in pest-proof containers and storage areas kept clean.
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