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American Phytopathological Society

Logo: American Phytopathological Society, Non-free logo, via Wikipedia3

American scientific learned society

The American Phytopathological Society (APS) is an international scientific organization devoted to the study of plant diseases (phytopathology). APS promotes the advancement of modern concepts in the science of plant pathology and in plant health management in agricultural, urban and forest settings. The Society has nearly 5,000 plant pathologists and scientists worldwide.2 It was founded by Donald Reddick and Cornelius Lott Shear.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1908Founded1

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The American Phytopathological Society (APS) is an international scientific organization devoted to the study of plant diseases (phytopathology). APS promotes the advancement of modern concepts in the science of plant pathology and in plant health management in agricultural, urban and forest settings.2

The story

Founded by Cornelius Lott Shear and Donald Reddick in 1908.1

The society was founded in December 1908 by a group led by Cornelius Lott Shear. The first regular meeting was held in December 1909. It was the first scientific organization in the world to be devoted exclusively to phytopathology.

In 1929, its Canadian Phytopathological division was spun off into an independent organization, the Canadian Phytopathological Society.

From Wikipedia’s article on American Phytopathological Society, shared under CC BY-SA 4.0.4

Leadership

Who has led American Phytopathological Society, and when. Pick a name to see everywhere that person has worked.

Chair

  1. Helen Hart1955–1956
197019801990200020102020

Timeline

  1. 1908Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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