Repeated cultivation of the same crop like paddy results in a huge food reserve to a given pest, which encourages a rapid growth of the pest population. Any change in the crop would create a deficit in its food supply which results in a considerable mortality. Sometime a given pest population may be wiped out [...]
Systemic Insecticide: Insecticides that get into the body with food and affect different systems. e.g., Lead Arsenate, NaF. Contact Insecticide: Insecticides that kill the insect on contact through toxic effects. e.g., BHC, DDT, Aldrin.
Insecticide: Chemical agents used for destroying insects. eg. DDT. Pesticide: Chemicals meant for destruction of pests of any kind. e.g., Endrine, Drimecron etc. Fumigation: The method of pests control through fume of some specific pesticides. Fumigants. e.g., Methyl Bromide.
Integrated Pest Management is a system which utilizes all suitable techniques and methods used as compatible a manner as possibly to maintain pest population at levels those causing economic injury. Basic features of IPM are- 1. utilizes two or more control techniques together in an integrated fashion. 2. to make maximum use of natural mortality [...]
Effective pest control may be envisaged as reduction or maintenance of a pest population belong the damage threshold. The concept of some lower level of population below the damage threshold is referred to as the “Economic Threshold”.
