Daily Egg Production of Tetranychus urticae1 on Metal Chelate-Treated Leaves2,3

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The daily number of eggs laid by the two-spotted spider mite. Tetranychus urticae Koch, on bean leaves treated with either Fe-DTPA (sodium ferric diethylenetriamine pentaacctate) or Mg-EDTA (disodium mag- nesium ethylene diamine tetraacetate) was compared with that on untreated leaves. Both chelates caused an immediate reduction in number of eggs laid, and this effect persisted throughout the 7-day test period.

Document Type: Research Article

Publication date: April 1, 1970

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  • 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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