Henry A. Jones

Photo of Henry A. Jones, Professor Emritus

In Memoriam
Professor, Chairman of Truck Crops
1889-1981

HENRY ALBERT JONES

Birth: May 6, 1889, Deer Park, Illinois
Death: February 24, 1981, Cave Creek, Arizona

Education

  • B.S., Botany and Plant Pathology, University of Nebraska, 1916
  • Ph.D., Plant Physiology, University of Chicago, 1918

Employment

  • USDA Bureau of Markets, Massachusetts (Onion Storage Studies), 1918
  • Associate Professor, West Virginia University, 1919–1920
  • Professor of Vegetable Gardening, University of Maryland, 1920–1922
  • Associate Professor and Chairman, Division of Truck Crops, UC Davis, 1922–1936
  • Head Horticulturist, USDA Agricultural Research Service, Beltsville, Maryland, 1936–1955
  • Director of Research, Desert Seed Company, El Centro, California,1955–1979

Honors, Awards, and Professional Societies

  • President, American Society for Horticultural Science (1932)
  • Vaughan Award, American Society for Horticultural Science (1943)
  • Herbert Medal, American Plant Life Society (1944)
  • Honorary Doctor of Science, University of Nebraska (1952)
  • USDA Distinguished Service Award (1953)
  • Vegetable Man of the Year, Vegetable Growers Association of America (1955)
  • Honor Medallion, American Seed Trade Association (1966)
  • Genetics and Plant Breeding Award, National Council of Commercial Plant Breeders (1966)
  • Award of Honor, California Chapter of the American Society of Agronomy (1977)

Research Contributions and Impact

Henry A. Jones is regarded as the father of hybrid onions, one of the most transformative advances in modern horticulture. In 1925, at UC Davis, he discovered a self-sterile plant in the cultivar Italian Red onion that revealed the phenomenon of cytoplasmic-genic male sterility. Over the following decades, he developed methods to harness this discovery for the production of hybrid seeds.

By 1944, his release of California Hybrid Red No. 1 became the first hybrid cultivar in any crop produced using cytoplasmic-genic male sterility. This breakthrough revolutionized onion breeding and seed production, enabling the development of hybrids with greater vigor, yield, and uniformity. His discovery subsequently influenced breeding in many other crops, including carrots, beets, maize, sorghum, rice, and wheat.

At USDA, Jones organized the National Onion Breeding Program, building a nationwide cooperative network of researchers and seed producers. He developed more than 50 onion hybrids, several still in production, and advanced resistance to major diseases and pests, including pink root, smut, and downy mildew. His work bridged scientific discovery with practical application, reshaping both the seed industry and global agriculture.

Publications and Scholarly Leadership

Jones co-authored Truck Crop Plants (1928) with J.T. Rosa, a foundational text in vegetable crop science, and later, with L.K. Mann, the definitive reference Onions and Their Allies (1963). Throughout his career, he published extensively on the reproductive biology of onions, asparagus, lettuce, spinach, and other vegetable crops, leaving a scientific record that has influenced horticulture for generations.

Teaching and Mentorship

At UC Davis, Jones trained an influential group of graduate students, including S.L. Emsweller, G.C. Hanna, O.H. Pearson, Helen Pearson, and T.W. Whitaker, all of whom went on to significant contributions in horticultural science. His teaching style was described as rigorous yet inspiring, with an emphasis on clarity and practical demonstration.

Collaboration and Community

Jones was known as an organizer and leader. At UC Davis and later at the USDA, he established broad-based cooperative research programs that linked state and national efforts in vegetable breeding. His leadership style encouraged autonomy while demanding excellence, creating a culture of accountability and innovation. He was deeply respected in both public and private sectors, seamlessly transferring discoveries from research to seed companies and growers.

Legacy

Henry A. Jones’s 1925 discovery of male sterility in onions marked the beginning of a major revolution in agriculture and the seed industry. His work established the foundation for hybrid vegetable breeding worldwide and transformed commercial onion production. Through his research, leadership, and mentorship, Jones left an indelible legacy as one of the greatest horticulturists of the 20th century.

References

For additional tributes, interviews, and biographies, see the following resources: