2019
DOI: 10.29080/biotropic.2019.3.1.39-48
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Toksisitas Ekstrak n-heksana Serbuk Gergaji Kayu Sengon (Albizia falcataria l. Forberg) terhadap Mortalitas Serangga Penggerek Buah Kopi (Hypothenemus hampei ferr.) (Scolytidae: Coleoptera)

Abstract: Research on the toxicity of n-hexane extract of Albizia falcataria sawdust against Hypothenemus hampei has been conducted. The method of research was contact method. The concentrations used in the experiment were control (aquadest); 0.25%; 0.5%; 1%; 2%; and 4%. Every concentration was sprayed on the female imago. Observations were performed 120 hours after treatment. The results showed that there was an effect of the length of observation time and concentration on the mortality of H. hampei (GLM Test α= 5%). T… Show more

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Cited by 5 publications
(6 citation statements)
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“…Terpenoids function as appetite inhibitors and cause dizziness in insect pests. Steroids have a function as inhibitors of the growth of insect pests (Purwatiningsih et al, 2019). In addition, low concentrations at T1 greatly influence the percentage of larval mortality.…”
Section: Mortality Rate Of S Exiguamentioning
confidence: 99%
“…Terpenoids function as appetite inhibitors and cause dizziness in insect pests. Steroids have a function as inhibitors of the growth of insect pests (Purwatiningsih et al, 2019). In addition, low concentrations at T1 greatly influence the percentage of larval mortality.…”
Section: Mortality Rate Of S Exiguamentioning
confidence: 99%
“…Saponin juga memiliki sifat menyerupai detergen. Sifat ini berdampak pada tegangan permukaan kulit serangga akan rusak sehingga senyawa racun masuk kedalam tubu serangga (13) . Senyawa saponin juga dapat mematikan serangga karena mampu menyebabkan hemolisis sel-sel darah merah (14) .…”
Section: Pembahasanunclassified
“…Menurut King et al, (2013) serbuk kayu sengon mengandung senyawa aktif seperti saponin, anthraquinon, fenol, flavonoid, alkaloid, tannin, sterol, dan triterpenoid. Ekstrak serbuk kayu sengon diketahui memiliki efek mortalitas terhadap imago Hypothenemus hampei (Purwatiningsih, 2019). Senyawa-senyawa aktif pada batang sengon juga diketahui mampu membuat tanaman sengon lebih resisten terhadap penyakit gall rust yang diakibatkan oleh jamur Uromycladium falcatarium (Rahmawati et al, 2019).…”
Section: Sengon (P Falcataria L)unclassified