MOLLUSCICIDAL QUALITIES OF THREE ORGANOTIN COMPOUNDS REVEALED BY 6-HOUR AND 24-HOUR EXPOSURES AGAINST REPRESENTATIVE STAGES AND SIZES OF AUSTRALORBIS GLABRATUS,
ARMY TROPICAL RESEARCH MEDICAL LAB NEW YORK 09851
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Tri-n-butyl tin acetate and tri-n-propyl tin oxide were to have similar toxic effects on Australorbis glabratus, with the LC- values ranging from 0.033 to 0.054 ppm for newly hatched snails to 0.1 to 0.13 ppm for 13-15 mm snails. Tri-n-propyl tin oxide was the more effective against 4-day eggs. Tri-n-phenyl tin acetate was considereably less effective than the other two compounds tested, and probably no longer merits consideration as a potential molluscicide.