the submitted articles to iranian congress of physiology and pharmacology could be analyzed for the distribution of research in different fields. based on field distribution of articles in 20th congress, it seems that a strategic planning for research development in the field of physiology and pharmacology is essential. it is also suggested to revise the congress scientific structure, and to us...

objective: ageing of the stored seed is a natural phenomenon and the seeds tend to lose viability even under ideal storage conditions. accelerated ageing has been recognized as a good predictor of the storability of seed lots. aged seeds show decreased vigor and produce weak seedlings that are unable to survive once reintroduced into a habitat. the characteristics of the chemical composition of...

drought is still limited in most crops is produced. morphological and physiological knowledge to improve drought resistance under drought conditions created problems important is the fact each of these genetic relationships and processes associated with the exact amount of important plant and grain yield is unknown. the other hand, heritability of grain yield under water is reduced. improve the...