E3S Web Conf.
Volume 328, 2021International Conference on Science and Technology (ICST 2021)
|Number of page(s)||4|
|Section||Natural Science, Natural Resources Management, Bio Technology, Microbiology|
|Published online||06 December 2021|
Effectiveness Test of Piper methysticum Extract Against Crocidolomia pavonana larvae
Department of Agrotechnology, Faculty of Agriculture, Musamus University, Merauke 99600, Indonesia.
* Corresponding author: firstname.lastname@example.org
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.
Key words: Piper methysticum / Mortality / Feeding inhibition / C. pavonana
© The Authors, published by EDP Sciences, 2021
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