The response of field crops to abiotic stress conditions and the evaluation of resistant mechanisms in terms of plant morphology and physiology. To determine breeding methods and selection criteria used for improving stres tolerant cultivar varieties.

The definition of abiotic stress factors and the effect of stress on plant growth and photosynthesis, the cellular perception of the stress, the response and adaptation mechanisms of plants against abiotic stress, plant breeding methods and selection criterias to improve stress tolerant varieties.