Clara H. Hasse’s biography, net worth, fact, career, awards and life story

Intro American botanist
A.K.A. C.H.Hasse
Is Scientist 
Botanist 
From United States of America 
Type Science 
Gender female
Death 10 October 1926, Muskegon

Clara Henriette Hasse (1880 – 10 October 1926) was an American botanist whose research focused on plant pathology.

Biography

After graduating from the University of Michigan in 1903 with a PhB. She went to Washington, D.C., to take up an appointment as assistant horticulturist and botanist in the Bureau of Plant Industry at the U.S. Department of Agriculture under Erwin Frink Smith, the USDA’s pathologist-in-charge. Hasse was one of the twenty assistants that Smith hired during his tenure at the USDA. She later worked at the Florida Agricultural Experiment Station. Hasse died at her home in Muskegon, Michigan, aged 46.

Research

Her paper “Pseudomonas citri, the cause of Citrus canker”, published in the Journal of Agricultural Research in 1915, was the first to identify the cause of citrus canker. While originally it was believed that citrus canker was of fungoid origin, Hasse found that bacteria are at its source. The discovery led to the development of methods for controlling the disease which saved the citrus crops in Florida, Alabama, Texas and Mississippi from being wiped out.

Partial Bibliography

  • Pseudomonas citri, the cause of Citrus canker (1915). Journal of Agricultural Research
The standard author abbreviation C.H.Hasse is used to indicate this individual as the author when citing a botanical name.
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