【摘要】 烟酰苯胺的盐酸盐和硫酸盐溶液对钉螺在25℃作用24h的LC₅₀和LC₉₀分别约为0.3mg/L和0.5mg/L。在实验室和现场,以1—2mg/L浓度浸泡钉螺3d,可杀死90％以上钉螺;1—2g/m²剂量喷洒,在20℃以上,钉螺接触1—3d的死亡率为18.4—100％。该药对早期（细胞期）钉螺卵有高效,对中期卵和后期卵无明显效果。对鳙鱼和麦穗鱼的LC₅₀为200mg/L。白鲫和草鱼在10mg/L浓度中1个月无死亡。小鼠口服急性LD₅₀约为2g/kg。以1—2g/m²喷洒对植物无明显影响,≥5g/m²时部分叶子枯萎,双子叶植物的反应尤为明显。在群众性灭螺中,接触烟酰苯胺可湿粉频繁者曾发生皮炎。更多还原

【Abstract】 Both nicotinanilide hydrochloride and nicotinanilide sulfate are water-soluble, their LC50 and LC90 against Oncomelania snails being around 0. 3mg/L and 0. 5mg/L, respectivly, during 24 hour exposoure at 25℃ 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 1-2mg/L, and that 18.4%-100% snails on moist soil were killed at over 20℃, exposed to spraying dosage of 1-2g/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 Pseu-dorasbora parva is about 200mg/L. The acute oral LD50 in mice is about 2g/kg. Plants tolerate the chemical at 1-2g/m2, but some leaves wilted at ≥5g/m2, dicotyledon in particular. Dermatitis has been reported in individuals frequently exposing to nicotinanilide wettable powder during massive spraying.更多还原