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Attacus atlas (L.) sericin extract as an effective UV Protectant of Bacillus thuringiensis serotype kurstaki for controlling Spodoptera litura (Fab.)

Journal of Tropical Biodiversity and Biotechnology · Vol. 8 No. 1 (2023)

DOI
10.22146/jtbb.74633
ISSN
2540-9581, 2540-9573
Terbit
2023-01-03
Penerbit
Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Bacillus thuringiensis serotype kurstaki is an entomopathogenic bacteria commonly used to control the cutworm Spodoptera litura (Fab.). However, B. thuringiensis has disadvantage of being easily degraded due to exposed sunlight. The objective of this research was to determine the effectiveness of adding A. atlas (L.) cocoon extract as UV protectant B. thuringiensis to the mortality of S. litura. This research formulated 2.5% of the original substance of A. atlas cocoon extract and B. thuringiensis serotype kurstaki strain HD-7 applied from commercial product DiPel-WP®. The formulation was exposed to sunlight for 0, 1, 2, and 3 weeks. The suspension treated for 20 individuals of first instar larvae S. litura shifted into the artificial diet using 3-5 replicates. The scanning electron microscope (SEM) method began from a sample that was vacuumed, sample coated, and observed on SEM with the electron in a certain level probe. This research showed that the mortality of S. litura decreased with the growth of S. litura. The mortality of S. litura achieved 20%-100% mortality after treatments. The A. atlas cocoon extract was effective as UV protectant B. thuringiensis for three weeks of exposure to sunlight. The SEM analysis represented that formulation of B. thuringiensis and A. atlas cocoon extract sunlight exposure for one week has harsher surface than exposed during three weeks.

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  • Universitas Gadjah Mada
  • University of Indonesia
  • Universitas Halu Oleo
  • King Saud University
  • Sultan Ageng Tirtayasa University
  • University of Nusa Cendana
  • Universitas Syiah Kuala
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Rekan penulisOrganisasiArtikel bersama
Abdulrahman S. AldawoodKing Saud University5
Siti SumarmiUniversitas Gadjah Mada4
Suwarno HadisusantoUniversitas Gadjah Mada4
Hari Eko PurwantoUniversitas Gadjah Mada3
R.C. Hidayat SoesilohadiUniversitas Gadjah Mada3
Sudaryatno SudaryatnoUniversitas Gadjah Mada2
Andhika Puspito NugrohoUniversitas Gadjah Mada2
SudaryatnoUniversitas Gadjah Mada2
RC Hidayat SoesilohadiUniversitas Gadjah Mada2
Bellia Alda Ayu PrasetyaUniversitas Gadjah Mada2
Ignatius SudaryadiUniversitas Gadjah Mada2
Suparmin SuparminUniversitas Gadjah Mada2
Marta PramuditaSultan Ageng Tirtayasa University1
Mohammad NasikinUniversity of Indonesia1
Slamet SlametUniversity of Indonesia1
Athiek Sri RedjekiUniversity of Indonesia1
Laurentius Hartanto NugrohoUniversitas Gadjah Mada1
Endah RetnaningrumUniversitas Gadjah Mada1
Syarafina Ratna PutriUniversitas Gadjah Mada1
Ign. SudaryadiUniversitas Gadjah Mada1
S. AmiruddinUniversity of Nusa Cendana1
Mursal MursalUniversitas Syiah Kuala1
Toto WinataBandung Institute of Technology1
L. UsmanUniversitas Halu Oleo1
Mifta ArlindaUniversitas Gadjah Mada1
Afifah Nur HidayahUniversitas Halu Oleo1
Budi Setiadi DaryonoUniversitas Gadjah Mada1
Laras Nur JanahUniversitas Gadjah Mada1
Anisa Azmi Nurrisky AprilianiUniversitas Gadjah Mada1
Vania AdheliaUniversitas Gadjah Mada1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ugm.ac.id/jtbb/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Attacus atlas (L.) sericin extract as an effective UV Protectant of Bacillus thuringiensis serotype kurstaki for controlling Spodoptera litura (Fab.)</dc:title>
	<dc:creator>Ningtyas, Nindita Sabila</dc:creator>
	<dc:creator>Rahmatullah, Rahmatullah</dc:creator>
	<dc:creator>Wiranto, Aryo Seto Pandu</dc:creator>
	<dc:creator>Sa’adah, Nadya Sofia Siti</dc:creator>
	<dc:creator>Alwandri, Hipny</dc:creator>
	<dc:creator>Asma’, Asma’</dc:creator>
	<dc:creator>Salsabila, Tiara Purti</dc:creator>
	<dc:creator>Adi, Hanindyo</dc:creator>
	<dc:creator>Sukirno, Sukirno</dc:creator>
	<dc:subject xml:lang="en-US">Biology; Entomology</dc:subject>
	<dc:subject xml:lang="en-US">Spodoptera litura, mortality, pathogenicity, SEM (Scanning Electron Microscope)</dc:subject>
	<dc:description xml:lang="en-US">Bacillus thuringiensis serotype kurstaki is an entomopathogenic bacteria commonly used to control the cutworm Spodoptera litura (Fab.). However, B. thuringiensis has disadvantage of being easily degraded due to exposed sunlight. The objective of this research was to determine the effectiveness of adding A. atlas (L.) cocoon extract as UV protectant B. thuringiensis to the mortality of S. litura. This research formulated 2.5% of the original substance of A. atlas cocoon extract and B. thuringiensis serotype kurstaki strain HD-7 applied from commercial product DiPel-WP®. The formulation was exposed to sunlight for 0, 1, 2, and 3 weeks. The suspension treated for 20 individuals of first instar larvae S. litura shifted into the artificial diet using 3-5 replicates. The scanning electron microscope (SEM) method began from a sample that was vacuumed, sample coated, and observed on SEM with the electron in a certain level probe. This research showed that the mortality of S. litura decreased with the growth of S. litura. The mortality of S. litura achieved 20%-100% mortality after treatments. The A. atlas cocoon extract was effective as UV protectant B. thuringiensis for three weeks of exposure to sunlight. The SEM analysis represented that formulation of B. thuringiensis and A. atlas cocoon extract sunlight exposure for one week has harsher surface than exposed during three weeks.  </dc:description>
	<dc:publisher xml:lang="en-US">Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US">Ministry of Technology and Higher Education</dc:contributor>
	<dc:contributor xml:lang="en-US">The PDUPT Research</dc:contributor>
	<dc:date>2023-01-03</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/jtbb/article/view/74633</dc:identifier>
	<dc:identifier>10.22146/jtbb.74633</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Tropical Biodiversity and Biotechnology; Vol 8, No 1 (2023): April; jtbb74633</dc:source>
	<dc:source>2540-9581</dc:source>
	<dc:source>2540-9573</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/view/74633/35361</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/downloadSuppFile/74633/21441</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/downloadSuppFile/74633/21442</dc:relation>
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	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2023 Journal of Tropical Biodiversity and Biotechnology</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
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