This journal provides immediate access to some articles. Volume 43(9 Pt B); September 1968 Articles Environmental Factors in the Physiology of Abscission PMCID: PMC1087141 Hormonal Regulation of Leaf Abscission PMCID: PMC1087142 Senescence Processes in Leaf Abscission PMCID: PMC1087143 Ethylene, Plant Senescence and Abscission PMCID: PMC1087144 Anatomical Aspects of Abscission PMCID: PMC1087145 Cell Wall Dissolution and Enzyme Secretion During Leaf Abscission PMCID: PMC1087146 Control of Abscission in Agricultural Crops and Its Physiological Basis PMCID: PMC1087147 Role of RNA and Protein Synthesis in Abscission PMCID: PMC1087148 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||