Floating article for improved control of aquatic insects

A molded non-layered unitary article (serving as a larvicide carrier) is formed solely from a substantially homogeneous mixture consisting of cork particles and a molding- type of plaster into which a larvicidal micro-organism, such as B.t.i., has been added. The article may be dispensed convenientl...

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Bibliographische Detailangaben
Hauptverfasser:	BRANTON, PHILIP L, KASE, LAWRENCE E
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CATCHING, TRAPPING OR SCARING OF ANIMALS FISHING FORESTRY HUMAN NECESSITIES HUNTING PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	A molded non-layered unitary article (serving as a larvicide carrier) is formed solely from a substantially homogeneous mixture consisting of cork particles and a molding- type of plaster into which a larvicidal micro-organism, such as B.t.i., has been added. The article may be dispensed conveniently, on to either small or large bodies of water, without regard for its orientation relative to the body of water. The article has a specific gravity of less than 1.0 and floats freely on the surface of the water, but if desired, may have a restrained-floating application. A sustained release of the larvicidal micro-organism is assured for effective mosquito control. All of the ingredients are found in nature, are bio-degradable, and are non-toxic to non-target organisms; hence will not adversely affect the environment. In a preferred embodiment, the article is substantially-toroidal and slightly-tapered and is provided with a central opening therein.