The critical factor which determines the damaging capacity or otherwise of an insect pest in its population level. The concept of injury level was propounded to enable us to identify the population level at which an insect would cause damage to a crop. Factor # 1. Economic Injury Level (EIL): The critical factor that determines […]
Damaging Capacity of an Insect Pest: 4 Factors | Agriculture
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Factors Affecting Host Plant Resistance | Pest Management
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The most desirable form of insect resistance is one which is stable across location and seasons. However, the level and nature of insect resistance are influenced by several climatic and edaphic factors. Several environmental factors are known to influence the inherited characters, especially those involving physiological characteristics of crop plants. Following are the factors which […]
List of Chemicals Used for Pest Control | Agriculture
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Here is a list of chemicals that will help you to control pests: 1. Insecticides 2. Acaricides 3. Nematicides 4. Rodenticides 5. Molluscicides. 1. Insecticides: I. Chlorinated Hydrocarbons: (i) DDT (Dichlorodiphenyltrichloroethane): DDT (C14H9Cl5) (Fig. 7.1) was introduced in 1942 by J.R. Geigy under the trade names Gesarol, Guesarol and Neocid. Its insecticidal properties were, however, […]