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  • Title: [Evaluation of molluscicidal effect of nicotinanilide against Oncomelania snails].
    Author: Chen ZP, Tao HQ, Hua DS, Shen BR, Chan HL.
    Journal: Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi; 1991; 9(3):216-8. PubMed ID: 1959178.
    Abstract:
    Both nicotinanilide hydrochloride and nicotinanilide sulfate are water-soluble, their IC50 and LC90 against Oncomelania snails being around 0.3 mg/L and 0.5 mg/L, respectively, during 24 hour exposure at 25 degrees C followed by a 7-day recovery period. The laboratory tests and field trials showed that over 90% of snails were killed within 3 days exposure at 1-2 mg/L, and that 18.4%-100% snails on moist soil were killed at over 20 degrees C, exposed to spraying dosage of 1-2 g/m2 for 1-3 days. The chemical is highly effective against snails eggs at early stage (cell stage). The LC50 of nicotinanilide to Aristichthys nobilis and Pseudorasbora parva is about 200 mg/L. The acute oral LD50 in mice is about 2 g/kg. Plants tolerate the chemical at 1-2 g/m2, but some leaves wilted at greater than or equal to 5 g/m2, dicotyledon in particular. Dermatitis has been reported in individuals frequently exposing to nicotinanilide wettable powder during massive spraying.
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