Steroidal oestrogens and the regulation of growth and development in Phaseolus vulgaris L

In this thesis the effects of steroidal oestrogens (a group of sex hormones in animals) on various aspects of the physiology of the dwarf French bean plant, Phaseolus vulgaris, are investigated in an attempt to clarify the roles, if any, of these substances in higher plants. Chlorophyll levels of leaf discs senescing in darkness were not affected by solutions of oestrone and oestradiol (10