Historical Records of Australian Science Historical Records of Australian Science Society
The history of science, pure and applied, in Australia and the southwest Pacific
RESEARCH ARTICLE

Lloyd Thomas Evans 1927–2015

Roderick W. King

Historical Records of Australian Science 27(2) 144 - 159
Published: 07 November 2016

Abstract

Lloyd Evans, a leading plant scientist, published extensively on the regulation of flowering and on crop production during a lifetime spent in research at CSIRO. His significant achievements included: identification of a gibberellin plant hormone as a flowering regulator in the grass Lolium temulentum; discovery of a synthetic gibberellin growth retardant that blocked endogenous gibberellin synthesis; and discovery in Pharbitis of a novel biological flowering clock with a 12h (semidian) period. In crops, he established the impact on yield of photosynthate production and transport to competing sinks. Two of his books, Crop Evolution: Adaptation and Yield and Feeding the Ten Billion have had a major influence on agricultural research and policy. His ability to define research options led to many years of international advisory work. He was an Officer of the Order of Australia (AO), and was elected a Fellow of the Royal Society (FRS), and of the Australian Academy of Science (FAA) (including a term as president).

https://doi.org/10.1071/HR16014

© Australian Academy of Science 2016


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