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photoperiodism

 Subject
Subject Source: Nalt
Scope Note: The physiological and behavioral response of an organism to the relative duration of light and darkness.

Found in 2 Collections and/or Records:

Harry Alfred Borthwick Papers

 Collection
Identifier: MS0026
Content Description

The Harry Alfred Borthwick Papers contain reprints, experiment results, correspondence, abstracts, manuscripts, photographs, negatives, positives, maps, graphs, tables, charts, slides, and notebooks. There are indexes to the reprints, abstracts, photographs, and negatives.

Dates: 1901-1967
Found in: National Agricultural Library Special Collections

William Nicholas Sullivan Papers

 Collection
Identifier: MS0165
Content Description

The William Nicholas Sullivan Papers include research, correspondence, and publications on insect biorhythms, aircraft disinsection, and aerosols.

Dates: 1945-1978; Majority of material found within 1963-1978
Found in: National Agricultural Library Special Collections