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Role of Microorganisms in Agricultures

D Ramprasad

 The immunity which an individual posseses by birth or naturally is called innate immunity. Such an Immunity is non specific. The innate immunity is of several types.The innate immunity is because of several factors such as-physical barriers (skin,mucosa), physiological (saliva,tears,gastric juice),cellular(WBC’s),cytokines.Innate immunity is of several types such as Species immunity,Racial immunity,Individual immunity.lmmunity differs from one species to another.eg:- All birds are immune to tetanus. Different races within a species show differences in immunty.eg:-african race is more resistant to malaria as compared to Asians or americans. Immunity differs from one individual to another.eg:- Diabetic individuals are susceptible to certain infections. Keywords: Immunity, Natural, Physical, saliva, mucus, cellular, cytokines, species, racial, Individual.