Received for publication November 21, 1972. Journal Article No. 6144 from the Michigan Agricultural Experiment Station, East Lansing.
Research Associate on leave from the Research Institute of Pomology, Skierniewice, Poland.
Present address: Department of Mathematics and Science, Centre College, Danville, Kentucky.
Hopping, M. E. Isolation, characterization and role of endogenous auxins and cytokinins in sour cherry (Prunus cerasus L. cv. Montmorency) fruit development. Ph.D. Thesis, Michigan State University. 207 p. 1972.