淀粉酶产色链霉菌杀灭钉螺研究  

STUDIES ON MOLLUSCICIDING ACTION OF STREPTOMYCES DIASTATOCHROMOGENES

作　　者：胡代炎[1] 石孟艺 姚超素 

机构地区：[1]湖南省寄生虫病防治研究所,岳阳414000

出　　处：《中国血吸虫病防治杂志》1995年第1期16-19,共4页Chinese Journal of Schistosomiasis Control

基　　金：本项目得到联合国开发计划署/世界银行/世界卫生组织热带病研究和培训特别规划署的部分资助

摘　　要：从钉螺孳生土壤中分离得一株放线菌(编号218),经鉴定为淀粉酶产色链霉菌。实验室用摇瓶培养物0.1％浸杀钉螺,48h校正死亡率为96.0％—100.0％;以工业生产菌粉10mg/L浸杀钉螺,48h校正死亡率达98.0％,100mg/L浸泡螺卵,48h孵出率为9.0％。现场用菌粉75mg/L浸泡48h,钉螺校正死亡率为96.9％,试验区植物无枯黄。对鱼类有一定的毒性,但作用缓慢。A strain of actinomyces (named as 218 powder) was seperated from snail-inhabitated soil and was identified as streptomyces diatatochromogenes. The corrected mortality rate of snails exposed to 0. 1 % concentration of the shaking fermentation liquid was 96% -100%, and that of the snails exposed to 10 mg/L of 218 powder as industrial product for 48 h in the laboratory was 98.0%. The hatching rate of snail eggs exposed to 100 mg/L of the bacterial powder for 48 h was 9. 0%. The corrected mortality of snails exposed to 75 mg/L of bacterial powder for 48 h in the field was 96. 9%, and this biological molluscicide did not damage plants but had some slow acting toxicity to fish.

关 键 词：淀粉酶产色链霉菌 摇瓶培养物 菌粉 钉螺 

分 类 号：R184.38[医药卫生—流行病学]