TOXIC AND REPELLENT EFFECT OF DIFFERENT SUBSTANCES TO Sarasinula linguaeformis (SEMPER, 1885) (MOLLUSCA, VERONICELLEDAE)
Abstract
Four trials in randomized complete blocks design were carried out in the Laboratory of Centro de Pesquisa para Pequenas Propriedades, of Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina, Chapecó, western Santa Catarina, Brazi I, to study repellent and toxic products to Sarasinula linguaeformis (Semper, 1885) (Mollusca, Veronicellidae). Repellents tested were: copper sulfate 2%, creolin 2%, ammoniac salt 2%,and sodium hydroxide 0.125%, sprayed on the leaves of cabbage used for feeding the slugs. The evaluation was done 96 hours after measuring the remains of the food. The toxicity of different products were tested with: sodium hydroxide 2%, copper sulfate 2%, tobacco extract 3%, detergent 3%, slugs extract 10%, creolin 2%, ammoniac disinfectant 3%, kerosene 3%, ammoniac salt 2%, sodium chloride 3% and 5%, and urea 3%, sprayed directly on the slugs. The mortality of the slugs was evaluated 24; 48 and 72 hours after spraying. The best repellent was copper sulfate. The most toxic products were sodium hydroxide, kerosene, creolin, and ammoniac salt.
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