Tetranactin, a New Miticidal Antibiotic. IV. Some Properties of Tetranactin
Authors: Hirano, Seiji; Sagawa, Takao; Takahashi, Hironobu; Tanaka, Nobuhiko; Oishi, Hideo; Ando, Kunio; Togashi, Kunihuko
Source: Journal of Economic Entomology, Volume 66, Number 2, 16 April 1973 , pp. 349-351(3)
Publisher: Entomological Society of America
Abstract:Tetranactin is ineffective against the carmine spider mite, Tetranycus cinnabarinus (Boisduval), and the twospotted spider mite, T. urticae Koch, by the film-contact method, but the dry film of the antibiotic on leave is reactivated by spraying Water. This fact suggests that the antibiotic exerts miticidal activity by direct contact of mites with the aqueous suspension. This idea is supported by the fact that humidity has no effect on miticidal activity.
Tetranactin is relatively stable, as no activity loss is observed at pH 2–13 for 5 hours at room temperature, at 60°C for 15 days, and on exposure to sunlight for several days. Residual activity was present 10 days after spraying because of the resistant property to weathering. No systemic matricidal activity was observed in the system in which the mites were transferred on the host plants cultivated in an aqueous medium containing tetranactin. The antibiotic sowed no phytotoxicity to apple mandarin orange, and tea when splayed at 1000 ppm.
Document Type: Research Article
Publication date: 1973-04-16
- 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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