Leslie Coleman
Leslie Charles Coleman (16 June 1878 – 14 September 1954) was a Canadian
entomologist,
plant pathologist and
virologist who worked as the first director of agriculture in
Mysore State in southern India. He conducted pioneering research on the pests and diseases affecting agriculture in the region and was instrumental in establishing several agricultural research and educational institutions including the Hebbal Agricultural School which later became a part of the
University of Agricultural Sciences, Bangalore and the Coffee Research Station at
Balehonnur which became the Central Coffee Research Institute. He introduced improved tillage implements, sprayers, tractors, and played a key role in the establishment of the Mysore Sugar Company in Mandya. His major contributions to plant protection included measures to control a rot disease of coffee caused by ''Pellicularia koleroga'' (now ''
Ceratobasidium noxium'') known in southern India as ''koleroga''. Coleman established measures for ''koleroga'', a generic name for rot-causing diseases in Kannada, that caused complete destruction in
areca plantations. Sprays of inexpensive
Bordeaux mixture on the growing crowns helped control infection caused by what he described as ''Phytophthora arecae'' (now considered as ''
Phytophthora palmivora'').
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