TY - BOOK ED - International Conference on Plant Growth Substances ED - Boyce Thompson Institute for Plant Research. TI - Plant growth regulation U1 - 581.134 PY - 1961/// CY - Ames PB - Iowa State University Press KW - Plant regulators KW - Congresses N1 - "Fourth International Conference on Plant Growth Regulation sponsored by the Boyce Thompson Institute for Plant Research, the New York Botanical Garden, the Brooklyn Botanic Garden."; Includes bibliographies and index ER -