Home >> Journal of Economic Entomology, Volume 67, Number 1

Methods of Application and Numbers of Eggs of the Corn Earworm Required to Infest Ears of Corn Artificially

Authors: Wiseman, B. R.; Widstrom, N. W.; McMillian, W. W.

Source: Journal of Economic Entomology, Volume 67, Number 1, February 1974 , pp. 74-76(3)

Publisher: Entomological Society of America

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Abstract:

Methods of artificially infesting corn with eggs of Heliothis zea (Boddie) were evaluated by using 4 applicators, various rates of eggs per silk, 2 infestation dates (100% silk and 7 days later), and 2 times (AM or PM) on 4 different sweet-corn hybrids. Infestation with 30 eggs/silk yielded larvae adequate to obtain damage equal to 3 larvae/silk. A pressure applicator (handlotion dispenser) was judged superior to other applicators (chromatographic sprayer, hypodermic syringe, and squeeze bottle) because of its overall performance with respect to accuracy, ease in handling, and capacity to transfer the eggs suspended in agar with minimum egg damage.

Document Type: Research article

Publication date: 1974-02-01

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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