文章基本信息

标题：Effectiveness Test of Piper methysticum Extract Against Crocidolomia pavonana larvae
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作者：Johana Anike Mendes ; Jefri Sembiring ; Diana Sri Susanti 等
期刊名称：E3S Web of Conferences
印刷版ISSN：2267-1242
电子版ISSN：2267-1242
出版年度：2021
卷号：328
页码：1-4
DOI：10.1051/e3sconf/202132808007
语种：English
出版社：EDP Sciences
摘要：Application synthetic insecticide with high frequency and continuously can give to negative impact. Alternative control which secures is botanical insecticide. This research aimed to effectiveness tests of P. methysticum plant against C. pavonana larvae using root and leaves this plant. The tested insecticide activity including mortality and feeding inhibition tests. The extract was tested at five concentration levels and repeated five times. The results showed that P. methysticum root extract was able to cause C. pavonana larvae mortality of 94% with a concentration of 419.7 gram/100 ml in water meanwhile, the testing using leaves extract causes mortality 98% from concentration 342 gr/100 ml in water. The feeding inhibition test showed the P. methysticum roots extract give effect with very weak criteria at some concentrations used a no choice method while Leaves extract P. methysticum does not show feeding inhibition.
关键词：Piper methysticum;Mortality;Feeding inhibition;C. pavonana