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1. Allen Hammer, holding plant runner Allen Hammer, holding plant runner Purdue University--Faculty; Plants; Horticulture Allen P. Hammer solves Chlorophytum Secret---Dr. P. Allen Hammer, Purdue University extension horticulturist, holds long runner on a Chlorophytum plant that has been given special photoperiod treatment...

2. Professors examining plantings of different lots of seeds Professors examining plantings of different lots of seeds Purdue University--Faculty;Botany;Plants Dr. A.J. Ullstrup, professor of botany & plant pathology, and Dr. John Suite (l.), associate professor of plant pathology, examine plantings of different lots of seeds obtained from seed analyst's laboratories....

3. Purdue faculty and administrators at U.S. War Dept. plant protection Purdue faculty and administrators at U.S. War Dept. plant protection Potter, A. A. (Andrey Abraham), b. 1882; Purdue University--Faculty; Hockema, Frank C., 1892-; Stewart, Robert Bruce; Fingerprinting;Cameras U.S. War Dept. Plant Protection. R.B. Stewart, controller being photographed. F.C. Hockema being fingerprinted as A.A. Potter looks on; ca. 1940s.

4. Professors examining vials filled with fungus cultures Professors examining vials filled with fungus cultures Purdue University--Faculty;Laboratories;Botany Dr. John L. Tuite, associate professor of plant Pathology and Rodney W. Caldwell (MS 69) are busy examining glass vials filled with fungus cultures that cause damage to the food grains such as corn. April...

5. George Griese observing wheat grown under varying conditions George Griese observing wheat grown under varying conditions Purdue University--Faculty;Wheat; Dr. Geo Gries, Assoc. Plant Physiologist observing wheat grown under different conditions of light & temperature in controlled climate facilities.

6. George Gries observing wheat grown under varying conditions George Gries observing wheat grown under varying conditions Purdue University--Faculty;Wheat; Dr. Geo Gries, Assoc. Plant Physiologist observing wheat grown under different conditions of light & temperature in controlled climate facilities.

7. John A. Wott and two people looking at plans John A. Wott and two people looking at plans Purdue University--Faculty; Horticulture;Purdue University. Horticultural Park John A. Wott-Plan addition to Park--West Lafayette, Ind. Dr. John A. Wott, left, Purdue University associate professor of horticulture, goes over plans for the addition of an aquatic plant area at Purdue's...

8. Dan Szymanski in laboratory Dan Szymanski in laboratory Purdue University--Faculty;Scientific equipment;Laboratories Purdue University Faculty. Dan Szymanski, plant geneticist and cellular biologist

9. Charles Woloshuk inside silo Charles Woloshuk inside silo Purdue University--Faculty; Purdue University Faculty. Charles Woloshuk, a Purdue plant pathologist studying fungus genetics
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