2PhD candidate in Plant Physiology in the Department of Horticultural Science, University of Minnesota, under a fellowship from the AAUW for research at the University of Vienna, 1971-72, acknowledges and thanks: Pflanzenphysiologisches Institut der Universitat Wein (Prof. Dr. R. Biebl, Chairman: Prof. Dr. Url, Scientific Consultant); Mr. G. Zehedbauer, a chief onion producer of Austria, who supplied MH-30, materials, labor and advice; and special formulations of chemicals from Amchem Products, Inc. (Ethrel), Niagara Chemical Division, FMC Corp. (Nia 10673), and Uniroyal (Alar 85); publication costs: Minn. Agr. Expt. Sta. (Dr. E. Stadelmann: Project 80). Sci. Journal Series, Paper No. 8398.
