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The European Corn Borer, Clean-Up Methods

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Abstract:

Conditions under which corn is grown in northern Ohio make clean-up work for European corn borer, Pyrausta nubilalis Hubn., difficult to carry out. In much of the infested area the corn is cut by hand and much of the stalk is left in the stubble. Machine cutting is being advocated to remove from the field more of the stalks, which later should be shredded or otherwise disposed of in a way that will kill the overwintering larvae.

A county-wide effort was directed towards cleaning up and burning surplus corn stalks and suspected sweet corn stubble in Ashtabula County, Ohio, during the spring of 1923. A "corn borer burning week" was announced and carried out April 23-28. Through this organized effort of the corn growers there was secured approximately eighty percent destruction of stalk remnants which are normally allowed to remain. A study of results showed a considerable increase of corn borer infestation to have occurred in Ashtabula County during the summer of 1923, but that the intensity of this infestation was so reduced as to remove the county from first place in the number of insects found per unit of area examined.

Indications are that stubble infestation and migration from outside areas make the burning of such surplus stalks as is practicable only a partial control and not sufficient in itself to avoid rapid increase of the pest.

Document Type: Research Article

Publication date: February 1, 1924

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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