Different types of stress such as biotic and biotic influence the physiology of plant. Heat or drought influence effect on proline content, chlorophyll content, stay green, canopy temperature and other physiological activities. It ultimately effect on yield of crops. This stress influences the breeding programe and selection a new variety. Rapid development of new varieties with the help of analytical breeding would be the most attractive approach. The role of physiological traits in enhancing the crop yield and their tolerance to stress. Stress is the most significant and severe factor inhibiting plant growth and production. Stress in plant impairs the numerous physiological and metabolic functions. Selection of plant varieties that can tolerant stress would be helpful tools for breeding program aiming to development of stress tolerance. Genetic grains through the use of empirical or conventional breeding approach have been difficult. Now scientist look forward modern or analytical breeding approaches to evaluate the complex phenomena of stress with the help of secondary physiological traits. Physiological changes of crop plants to stress are useful tool to understanding the mechanisms of stress tolerance.

Aims and Scopes
1. Stress effect on plant growth and development.
2. Stress effect on plant physiology.
3. Stress tolerance can be a tool of selection of varieties.
4. It can be helpful tools for breeding.
5. It can be used for introduction about the present scenario of food insecurity.