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Conidial Density and Viability of Beauveria bassiana Isolates from Java and Sumatra and Their Virulence Against Nilaparvata lugens at Different Temperatures

AGRIVITA, Journal of Agricultural Science · Vol. 41 No. 2 (2019) · hlm. 335–350

DOI
10.17503/agrivita.v41i2.2105
ISSN
2477-8516, 0126-0537
Terbit
2019-06-17
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The brown planthopper (BPH), Nilaparvata lugens can cause direct damage and transmit rice diseases. Beauveria bassiana is used to control BPH, however the success of the fungal efficacy on rice fields is affected by external factors, such as temperature. This research aimed to evaluate the conidial viability and density of B. bassiana isolates from Java and Sumatra, exposed to 25 and 34°C and their virulence against BPH nymphs. Twenty six isolates of B. bassiana cultures incubated at 25 and 34°C for 7 days were observed on their conidial density, viability, and virulence against BPH nymphs. The incubation temperature of 34°C was able to decrease conidial density and viability, and virulence of the isolates. However, some isolates of B. bassiana originated from soils or insects in Sumatra, especially from South Sumatra still produced high conidial density and viability as well as high virulent against BPH nymphs, such as TS1D3A, TSID3B, TS1D2A and TS1D2B isolates. The TS1D2B isolate incubated at 34°C still caused the highest percentage of BPH mortality (43.33%) among other isolates. Therefore, the isolates can be used as promosing candidate for biocontrol for N. lugens on rice planted in tropical ecosystem, such as wetland or lowland rice ecosystems in Indonesia.

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  • Universitas Sembilanbelas November Kolaka
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Chandra IrsanAfiliasi tidak diketahui17
Erise AnggrainiAfiliasi tidak diketahui4
Suparman SuparmanUniversitas Sembilanbelas November Kolaka4
Khodijah. .Afiliasi tidak diketahui4
Haperidah NunilahwatiAfiliasi tidak diketahui4
Fuad NurdiansyahAfiliasi tidak diketahui4
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Suwandi SuwandiAfiliasi tidak diketahui3
Abu UmayahAfiliasi tidak diketahui3
Elsa FebrianiAfiliasi tidak diketahui2
Bambang GunawanGunadarma University2
Rahmat PratamaAfiliasi tidak diketahui2
Puji LestariJenderal Soedirman University2
Araz MeilinAfiliasi tidak diketahui2
Jauharlina JauharlinaAfiliasi tidak diketahui2
Tri AtmowidiAfiliasi tidak diketahui2
RIKA RAFFIUDINAfiliasi tidak diketahui2
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Sumber metadata: OAI-PMH (metadata jurnal) https://agrivita.ub.ac.id/index.php/agrivita/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Conidial Density and Viability of Beauveria bassiana Isolates from Java and Sumatra and Their Virulence Against Nilaparvata lugens at Different Temperatures</dc:title>
	<dc:creator>Sumikarsih, Eka</dc:creator>
	<dc:creator>Herlinda, Siti</dc:creator>
	<dc:creator>Pujiastuti, Yulia</dc:creator>
	<dc:subject xml:lang="en-US">pest or disease-plant sciences</dc:subject>
	<dc:subject xml:lang="en-US">Biocontrol; Brown planthopper; Entomopathogenic fungus; Mortality</dc:subject>
	<dc:description xml:lang="en-US">The brown planthopper (BPH), Nilaparvata lugens can cause direct damage and transmit rice diseases.  Beauveria bassiana is used to control BPH, however the success of the fungal efficacy on rice fields is affected by external factors, such as temperature. This research aimed to evaluate the conidial viability and density of B. bassiana isolates from Java and Sumatra, exposed to 25 and 34°C and their virulence against BPH nymphs. Twenty six isolates of B. bassiana cultures incubated at 25 and 34°C for 7 days were observed on their conidial density, viability, and  virulence against BPH nymphs. The incubation temperature of 34°C was able to decrease conidial density and viability, and virulence of the isolates.  However, some isolates of B. bassiana originated from soils or insects in Sumatra, especially from South Sumatra still produced high conidial density and viability as well as high virulent against BPH nymphs, such as TS1D3A, TSID3B, TS1D2A and TS1D2B isolates. The TS1D2B isolate incubated at 34°C still caused the highest percentage of BPH mortality (43.33%)  among other isolates. Therefore, the isolates can be used as promosing candidate for  biocontrol for N. lugens on rice planted in tropical ecosystem, such as wetland or lowland rice ecosystems in Indonesia.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Agriculture University of Brawijaya in collaboration with PERAGI</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2019-06-17</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://agrivita.ub.ac.id/index.php/agrivita/article/view/2105</dc:identifier>
	<dc:identifier>10.17503/agrivita.v41i2.2105</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 41, No 2 (2019); 335-350</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v41i2</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/2105/1123</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1258</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1259</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1260</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1261</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1383</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/2105/1384</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2019 Universitas Brawijaya</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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