Control of the Cyclamen Mite on Jasminum sambac (L.) Ait. in Hawaii1

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During the spring of 1956, fields of pikake, Jasminum sambac (L) Aitken, in Honolulu were so badly infested (about 90% of the shoots) with cyelamen mite, Steneotarsonemus pallidus (Banks), that there was almost no production of leis from this flower crop. In chemical control experiments conducted during March and April, three spray matcrials—10% endrin wettable powder (WP) at 2 lb. Per 100 gal., 25% parathion WP at 2 lb. per 100 gal., and Metacide emulsifiable concentrate (EC) at 2 qt. Per 100 gal.—effected 40 to 50% control over the cheek on a basis of infested shoots, with concentrations of one-half this. amount for each material giving poorer control. However, parathion and Metacide produced severe phytotoxicity at each concentration, while endrin produced none. During July, endrin EC became available locally, and growers were urged to apply this material at 1 pt. per 100 gal. every 2 to 3 weeks. Complete control of the mite was obtained within 2 months. The continued use of endrin EC has apparently exterminated the mite in all commercial plantings, as infested shoots cannot he found there at present (September 1957). Any ecological factors that may have contributed to the mite's disappearance remain unknown.

Document Type: Research Article

Publication date: August 1, 1958

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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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