Although there are other honor societies with chapters in the divisions, schools, or colleges of agriculture, Gamma Sigma Delta is unique and serves a special role. In many instances, however, Gamma Sigma Delta members maintain membership in one or more of the other honor societies.
Gamma Sigma Delta is a faculty governed society that selects its members from junior and senior students, graduate students, faculty, and alumni for the promotion and recognition of high achievement. While Gamma Sigma Delta is an honor society of agriculture, it may elect members from related fields such as biology, botany, chemistry, economics, entomology, forestry, home economics, plant pathology, sociology, statistics, veterinary medicine, or zoology when the work of the individuals is related to agriculture. Officers, committee chairpersons, and others leading the chapter are faculty or alumni.
Alpha Zeta is a professional, service and honorary fraternity in agriculture. Both undergraduate and graduate students are eligible for membership. Alpha Zeta, a student organization with student officers and faculty advisors, elects its members based on scholarship, leadership, and extracurricular activities. Students elected must be in the upper 40 percent of their class scholastically and must have completed at least one academic year of studies.
Phi Kappa Phi selects its membership from seniors, graduate students and faculty from several divisions, schools, and colleges of a university. Elections is based on scholarship, and seniors must rank in the upper 10 percent of their class.
Phi Beta Kappa, the oldest and often best known of honor societies, selects its members from programs in the university that fulfill the definition of a liberal education. Seniors, graduate students, and faculty may be elected to membership. Seniors must rank in the upper 10 percent of their class.
Sigma Xi is an honorary research organization. Graduate students, faculty and alumni in science who have demonstrated outstanding research ability and achievement may be selected for membership.