Barley Endosperm Bioassay for Gibberellins. of the Response System I. Parameters

Summiary. Parameters of the bioassay based on the gibberellin-indluced reducing suigar release of barley endosperm were investigated. Procedures for the rapid handling and processing of utp to several hundred treatments witholut loss in sensitivity of the test are described, and the effects of variations in many aspects of the bioassay were assessed. In general, the variations in varieties, techniquies, additives, conditions, and even gibberellins, all illustrate the stability, sensitivity, and adaptability of the hormoneind(uiced respoiise anid emphasize its uttility as a gibberellini bioassay.