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Effect of Stink Bug1-Damaged Soybean Seeds on Germination, Emergence, and Yield2

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Abstract:

Stink bug-damaged seeds from 17 soybean varieties were separated into 4 arbitrary categories depending upon the amount of visual damage to the seeds. The categories of damage were: none or check―no visual damage; light―seeds showing punctures but without shriveling of the seedcoat; moderate―seeds with some shriveling of the seedcoat; and heavy―extensive shriveling of the seedcoat.

Soybean seed stained using a tetrazolium technique showed that with regard to viability the location of a stink bug puncture is probably more important than the number of punctures. One puncture in the radicle-hopocotyl axis of the seed can prevent germination.

Greenhouse tests showed highly significant differences among the arbitrary categories with respect to emergence and yield. A small-plot field test using the 'Bossier' variety showed no significant difference in yield between the lightly damage seeds and those with no visual damage, but it showed significant decreases in yield between the light vs. moderate and moderate vs. heavy categories 01' stink bug-damaged seeds.

Document Type: Research Article

Publication date: February 1, 1972

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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