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标题：KAJIAN PRODUKSI BIOINSEKTISIDA DARI Bacillus thuringiensis subsp israelensis PADA MEDIA TAPIOKA
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作者：Abdul Aziz Darwis ; Khaswar Syamsu ; Ummi Salamah 等
期刊名称：Jurnal Teknologi Industri Pertanian
电子版ISSN：2252-3901
出版年度：2004
卷号：14
期号：1
语种：Indonesian
出版社：Asosiasi Agroindustri Indonesia
摘要：Bacillus thuringiensis subsp israelensis (B.t.i) as one of the Bacillus thuringiensis (B.t) species produces crystal protein called delta endotoxin.As other B.t crystal protein,this crystal is specifically toxic to mosquitoes and blackflies.This research of B.t.i fermentation used tapioca as carbon source and urea as nitrogen source.The composition of media fermentation used were 0.5%,1.0%,1.5%,2.0%,2.5% and 3.0% of tapioca,and 1% urea.The result shows that B.t.i was able to grow in all treatment units.Bioassay shows that the best performance was obtained from media with 2.0% tapioca.
关键词：Bacillus thuringiensis;tapioca