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THE USE OF A BAMBOO POLE DRAG IN ENHANCING THE VALUE OF DUSTS IN THE CONTROL OF THE PEA APHID
Published online by Cambridge University Press: 31 May 2012
Extract
The pea aphid infestation at Howick, Aubrey and Brysonville, Quebec, was severe in 1938. On June 28, complete commercial dusting equipment and a sufficient amount of rotenone-bearing dust were brought to the fields for the treatment of peas against the insect.
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- Copyright © Entomological Society of Canada 1939