George A. Zentmyer

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George A. Zentmyer

Jr.
Born(1913-08-09)August 9, 1913
North Platte, Nebraska, US
DiedFebruary 8, 2003(2003-02-08) (aged 89)
Palo Alto, California, US
Resting placeOlivewood Memorial Park, Riverside, California
Education
A.B University of California, Los Angeles (1935)
OccupationProfessor of Plant Pathology at University of California, Riverside
Years active1962–1981[3]
Organization
Sigma Xi
TitleProfessor Emeritus of Plant Pathology[5]
Board member of
The Explorers Club
[3]
Spouse(s)Dorothy Anne Dudley
Awards
American Phytopathological Society's Lifetime Achievement Award
  • UCR's Emeritus Faculty Award
  • UCLA's 1996 Professional Achievement Award[6]
Signature
George A. Zentmyer signature.tif

George Aubrey Zentmyer, Jr. (August 9, 1913 – February 8, 2003) was an American plant physiologist and professor emeritus at University of California, Riverside. He was known as one of the world's foremost authorities on Phytophthora.[7]

Early life[]

Zentmyer was born in North Platte, Nebraska to Mary Elizabeth Strahorn and George Aubrey Zentmyer, Sr. While an undergraduate at University of California, Los Angeles Zentmyer was a sportswriter for the Bruin.[8] He went on to graduate work at University of California, Berkeley. Both Zentmyer's master's and doctoral theses discussed the cytospora attacking the Italian cypress.[1][2]

Career[]

Zentmyer started work in 1937 at the San Francisco office of the United States Department of Agriculture's Department of Forest Pathology where he studied the spread of White Pine Blister Rust across the Pacific Northwest.[a] In 1940 Zentmyer transferred to the Connecticut Agricultural Experiment Station where he worked on developing chelation and fungicidal chemotherapy to treat Dutch elm disease.[10] The results of his experiments with hydroxyquinoline were published in Science in 1944. That same year Zentmyer was hired at the University of California Citrus Experiment Station to replace then-recently deceased William T. Horne.[11] Zentmyer was one of the Station's first employees to specialize outside of citrus plants.[12] He then began his career-long study of Phytophthora cinnamomi which had been ruining avocado crops across California at the time.[13] After cinnamoni had been isolated in South Africa in 1942 Zentmyer was subsequently able to prove it was behind the plague harming avocado trees.[14] Zentmyer began teaching plant physiology at University of California, Riverside. in 1962. In 1963 he and Donald C. Erwin were awarded a US$61,500 (equivalent to $519,876 in 2020) grant by the National Science Foundation to study "Physiology, Nutrition, and Morphology of the Reproductive and Growth Processes of the Genus Phytophthora."[15][16] Zentmyer was recognized by University of California, Riverside as faculty research lecturer for the 1963–1964 school year.[4]

Zentmyer was awarded a Guggenheim fellowship in 1965, during which he studied a pandemic sweeping eucalyptus trees in the Jarrah Forest in western Australia.[17][6][18] In 1971 Zentmyer, along with Guggenheim fellow Peter H. Tsao and Donald Erwin, whom he had shared a National Science Foundation grant with years earlier, sought funding from the National Academy of Sciences for an international survey of Phytophthora they conducted across Africa and Latin America.[19] From 1974 to 1975 Zentmyer was the President of the Pacific Division of the American Association for the Advancement of Science.[20]

Zentmyer was elected to the National Academy of Sciences in 1979.[17] From 1972 to 1994 he was an associate editor of the Annual Review of Phytopathology. In 1981 Zentmyer retired from teaching and was awarded the American Phytopathological Society's Award of Distinction after having been a longtime member and officer.[21] That same year the California Avocado Society gave Zentmyer a "special award of merit", only the third in their 65-year history, to recognize his work to save the avocado.[22] In 1983 he was a resident at the Rockefeller Foundation's Bellagio Center.[23]

In 2013 an eponymous cultivar of Persea americana Mill was patented.[24][25] The "Zentmyer" rootstock was isolated in 1993 and underwent inoculation and testing for resistance to root rot.[24][25]

Published works[]

  • Zentmyer, GA (1942). "Toxin formation by Ceratostomella ulmi". Science. 95 (2472): 512–513. Bibcode:1942Sci....95..512Z. doi:10.1126/science.95.2472.512. PMID 17802486.
  • "Mechanism of action of 8-hydroxyquinoline". Phytopathology. 33: 1121. 1943.
  • Zentmyer, GA (1944). "Inhibition of metal catalysis as a fungistatic mechanism". Science. 100 (2596): 294–295. Bibcode:1944Sci...100..294Z. doi:10.1126/science.100.2596.294. PMID 17753084.
  • "A laboratory method for testing soil fungicides, with Phytophthora cinnamomi as a test organism". Phytopathology. 45: 398–404. 1955.
  • Zentmyer, G. A. (1961). "Chemotaxis of zoospores for root exudates". Science. 133 (3464): 1595–1596. Bibcode:1961Sci...133.1595Z. doi:10.1126/science.133.3464.1595. PMID 17781128. S2CID 23381075.
  • "Biological control of Phytophthora root rot of avocado with alfalfa meal". Phytopathology. 53: 1383. 1963.
The standard author abbreviation Zentmyer is used to indicate this person as the author when citing a botanical name.[26]

Notes[]

  1. ^ The USDA Division of Forest Pathology had been created in 1907 as part of what was then the Bureau of Plant Industry. The division was transferred in 1954 to the United States Forest Service.[9]

References[]

Citations[]

  1. ^ Jump up to: a b "Degrees Conferred". Register-University of California. University of California. 2: 52. 1936.
  2. ^ Jump up to: a b "The Seventy-Fifth Commencement". University of California, Berkeley. May 21, 1938: 81. Cite journal requires |journal= (help)
  3. ^ Jump up to: a b Europa Publications, ed. (2003). The International Who's Who 2004. International Who's Who. 67. Psychology Press. p. 1872. ISBN 9781857432176.
  4. ^ Jump up to: a b "George Aubrey Zentmyer Honored by Riverside by Colleagues for 1963–64 Academic Year". University Bulletin. University of California. 12 (2): 13. July 15, 1963.
  5. ^ Barton, Kathy (November–December 1996). "Q & A: George Zentmyer, Plant Pathologist". California Agriculture. 50 (6): 38. doi:10.3733/ca.v050n06p38.
  6. ^ Jump up to: a b "George Zentmyer '35". University of California, Los Angeles.
  7. ^ Menge, John (2002). "In MEMORIAM – George Aubrey Zentmyer" (PDF). California Avocado Society Yearbook. California Avocado Society. 86: 43–45. Archived from the original (PDF) on 2016-03-04.
  8. ^ Cooksey 2014, p. 8.
  9. ^ F. H. Tainter; F. A. Baker (1996). Principles of Forest Pathology. John Wiley & Sons. pp. 7–8. ISBN 9780471129523.
  10. ^ Cooksey 2014, p. 4.
  11. ^ "Plant Expert Joins U.C. Riverside Staff". Berkeley Daily Gazette. August 21, 1944. p. 5.
  12. ^ Kendrick, Jr., James B. (1987). Lage, Ann (ed.). "From Plant Pathologist to Vice President for Agriculture and Natural Resources, University of California, 1947–1986" (PDF). Bancroft Library. Cite journal requires |journal= (help)
  13. ^ Cooksey 2014, p. 5.
  14. ^ Coffey, Michael (1987). "Phytophthora Root Rot of Avocado" (PDF). Plant Disease. American Phytopathological Society. 71 (11): 1046. doi:10.1094/PD-71-1046 (inactive 31 May 2021).CS1 maint: DOI inactive as of May 2021 (link)
  15. ^ National Science Foundation (January 15, 1964). "National Science Foundation Thirteenth Annual Report for the Fiscal Year Ended June 30, 1963" (PDF). US Government Printing Office: 188. Cite journal requires |journal= (help)
  16. ^ "News from the Campuses". University Bulletin. 11 (33): 161. April 29, 1963.
  17. ^ Jump up to: a b Cooksey 2014, p. 6.
  18. ^ Erwin, Donald C.; Menge, John A.; Weathers, Lewis G. "In Memoriam: George A. Zentmyer Professor of Plant Pathology, Emeritus UC Riverside 1913 – 2003". University of California. Archived from the original on 2015-04-14. Retrieved 2015-01-10.
  19. ^ "Research Programs Constituting U.S. Participation in the International Biological Program". Report, United States National Committee for the International Biological Program. National Academies Press (4): 80. 1971.
  20. ^ "AAAS Pacific Division Officers". American Association for the Advancement of Science. November 13, 2013.
  21. ^ Cooksey 2014, p. 7.
  22. ^ "Dr. George Zentmyer Honored". The San Bernardino County Sun. San Bernardino, California. October 20, 1981. p. 42 – via newspapers.com.
  23. ^ "The List" (PDF). Rockefeller Foundation: 271. Cite journal requires |journal= (help)
  24. ^ Jump up to: a b US application 13/200,179, Menge, John A.; Martin, Gray E. & Bergh, Berthold O. et al., "Avocado Rootstock Named 'Zentmyer'", published 2013-03-21, assigned to The Regents of the University of California 
  25. ^ Jump up to: a b Menge, John A.; Douhan, Greg W.; McKee, Brandon; Pond, Elinor; Faber, Ben; Bender, Gary S. (August 2012). "Three New Avocado Rootstock Cultivars Tolerant to Phytophthora Root Rot: 'Zentmyer', 'Uzi', and 'Steddom'". HortScience. American Society for Horticultural Science. 47 (8): 1191–1194. doi:10.21273/HORTSCI.47.8.1191.
  26. ^ IPNI.  Zentmyer.

Bibliography[]

Further reading[]

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