In this article we will discuss about:- 1. Concept of Host Plant Resistance 2. Types of Host Plant Resistance 3. Mechanism 4. Genetics 5. Durable Plant Resistance 6. Induced Plant Resistance 7. Economic Impact. Concept of Host Plant Resistance: A plant is neither susceptible to all the phytophagous insects nor any insect species is the pest of all the species [...]
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 affects the host plant resistance: [...]
Host plant resistance as a method of insect pest control in the context of IPM has a great potential than any other method of pest suppression. The use of insect resistant cultivars improves the efficiency of other pest management practices, including the synthetic insecticides. In some cases, it is the only practical and effective method of pest management. Insect-resistant varieties [...]