lec30 (dragged) 1 - 2 Lecture 30 Thomas Andrew Knight...

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2 Lecture 30 Thomas Andrew Knight president of the London Horticulture Society (later Royal Horticultural Society) from 1811–1838, can be considered the father of horticultural science. He was the f rst of the 18th century naturalists to devote himself to the emerging science of horticulture, having an interest both in basic issues in botany as well as applications in practical horticulture. He was both an observer/naturalist and an experi- mentalist. His interests were wide ranging and embraced the disciplines that we now call plant physiology, structural biology, and genetics. Knight investigated physiological problems such as the ascent and descent of sap, gravitational biology, tropisms, and the nature of the cambium. He was interested in relating mor- phology and anatomy to development and function. His studies on the effects of pollen in the garden pea on seed characters presaged the work Gregor Mendel carried out 40 years later. He describes dominance and segregation, although he fails to make the brilliant leap of Mendel in relating phenotypic characters to the factors we now know as genes. He reports observations on the genetics of animal behavior, a f eld not truly explored until the end of the 20th century. Knight’s true love, however, was horticulture.
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This note was uploaded on 11/18/2011 for the course HIST 302 taught by Professor Jensic during the Summer '10 term at Purdue University-West Lafayette.

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