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MEKANISME ANTIBIOSIS BACILLUS SUBTILIS B315 UNTUK PENGENDALIAN PENYAKIT LAYU BAKTERI KENTANG

JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA · Vol. 15 No. 1 (2015) · hlm. 64–71

DOI
10.23960/j.hptt.11564-71
ISSN
2461-0399, 1411-7525
Terbit
2015-03-02
Penerbit
Universitas Lampung
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Antibiosis mechanism of Bacillus subtilis B315 for controlling potato bacterial wilt disease. Bacillus subtilis B315 isolated from rhizospheric potato has antibiosis mechanism against Ralstonia solanacearum in vitro and become potentially used as controlling method of bacterial wilt in the field. The objectives of this research were to study the mechanism of B.subtilis B315 in controlling bacterial wilt disease, to study of B. subtilis B315 potency as both biocontrol and plant growth promoter, and to evaluate the mechanism as biocontrol agent. This green house experiment used CRD (Completely Randomized Design) with 5 treatments and 6 replicates. The treatments were control (without B. subtilis B315), B. subtilis B315 wild type, antibiosis mutant M16, antibiosis mutant M4, and antibiosis mutant M14. Variables observed were incubation period, disease index, infection rate, effectiveness of control, and growth components (i.e number of bud, plant height, leaf area, plant fresh and dry weight). The result of this research showed that B. subtilis B315 could delay incubation period, suppressed the disease index up to 64,9% and could promote the plant growth (leaf area). B. subtilis B315 had the antibiosis and other mechanisms that induced sistemic resistance. The implication of this research was that B. subtilis B315 could be used for biocontrol the bacterial wilt and promoted the potato growth.

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  • Universitas Gadjah Mada
  • Jenderal Soedirman University
  • Universitas Halu Oleo
  • Bandung Institute of Technology
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Heru Adi DjatmikoAfiliasi tidak diketahui6
Loekas SoesantoAfiliasi tidak diketahui3
Siti KabirunAfiliasi tidak diketahui3
Irfan Dwidya PrijambadaAfiliasi tidak diketahui3
Puji LestariJenderal Soedirman University3
Bambang Hendro SunarmintoAfiliasi tidak diketahui3
La Ode Santiaji BandeUniversitas Halu Oleo2
SUSAMTO SOMOWIYARJOAfiliasi tidak diketahui2
Tri WibawaUniversitas Gadjah Mada2
Endang MugiastutiAfiliasi tidak diketahui2
Endang SemiartiAfiliasi tidak diketahui2
N. NgadimanAfiliasi tidak diketahui2
Reni NurjasmiAfiliasi tidak diketahui2
Widya AsmaraUniversitas Gadjah Mada2
M. MustofaAfiliasi tidak diketahui2
A. AlimuddinAfiliasi tidak diketahui2
Donny WidiantoAfiliasi tidak diketahui2
Sri WedhastriAfiliasi tidak diketahui2
Heru Adi DjatmikoAfiliasi tidak diketahui2
Lisnawita LisnawitaAfiliasi tidak diketahui1
Ahmad Rafiqi TantawiAfiliasi tidak diketahui1
Haryono SemangunAfiliasi tidak diketahui1
I HartanaAfiliasi tidak diketahui1
Diani MentariAfiliasi tidak diketahui1
Nastiti WijayantiUniversitas Gadjah Mada1
Erminawati ErminawatiAfiliasi tidak diketahui1
Hening KurniasihAfiliasi tidak diketahui1
Suprayogi SuprayogiBandung Institute of Technology1
Sumarno SumarnoAfiliasi tidak diketahui1
Sudadi SudadiAfiliasi tidak diketahui1
Tri Joko RaharjoAfiliasi tidak diketahui1
Stalis Norma EthicaAfiliasi tidak diketahui1
Oedjijono OedjijonoAfiliasi tidak diketahui1
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Sukmana Siswandana PutraAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jhpttropika.fp.unila.ac.id/index.php/jhpttropika/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">MEKANISME ANTIBIOSIS BACILLUS SUBTILIS B315 UNTUK PENGENDALIAN PENYAKIT LAYU BAKTERI KENTANG</dc:title>
	<dc:creator xml:lang="en">Prihatiningsih, Nur</dc:creator>
	<dc:creator xml:lang="en">Arwiyanto, Triwidodo</dc:creator>
	<dc:creator xml:lang="en">Hadisutrisno, Bambang</dc:creator>
	<dc:creator xml:lang="en">Widada, Jaka</dc:creator>
	<dc:description xml:lang="en">Antibiosis mechanism of Bacillus subtilis B315 for controlling potato bacterial wilt disease. Bacillus subtilis B315 isolated from rhizospheric potato has antibiosis mechanism against Ralstonia solanacearum in vitro and become potentially used as controlling method of bacterial wilt in the field. The objectives of this research were to study the mechanism of B.subtilis B315 in controlling bacterial wilt disease, to study of B. subtilis B315 potency as both biocontrol and plant growth promoter, and to evaluate the mechanism as biocontrol agent. This green house experiment used CRD (Completely Randomized Design) with 5 treatments and 6 replicates. The treatments were control (without B. subtilis B315), B. subtilis B315 wild type, antibiosis mutant M16, antibiosis mutant M4, and antibiosis mutant M14. Variables observed were incubation period, disease index, infection rate, effectiveness of control, and growth components (i.e number of bud, plant height, leaf area, plant fresh and dry weight). The result of this research showed that B. subtilis B315 could delay incubation period, suppressed the disease index up to 64,9% and could promote the plant growth (leaf area). B. subtilis B315 had the antibiosis and other mechanisms that induced sistemic resistance. The implication of this research was that B. subtilis B315 could be used for biocontrol the bacterial wilt and promoted the potato growth.</dc:description>
	<dc:publisher xml:lang="en">Universitas Lampung</dc:publisher>
	<dc:date>2015-03-02</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jhpttropika.fp.unila.ac.id/index.php/jhpttropika/article/view/11</dc:identifier>
	<dc:identifier>10.23960/j.hptt.11564-71</dc:identifier>
	<dc:source xml:lang="en">Jurnal Hama dan Penyakit Tumbuhan Tropika; Vol. 15 No. 1 (2015): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA; 64-71</dc:source>
	<dc:source>2461-0399</dc:source>
	<dc:source>1411-7525</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jhpttropika.fp.unila.ac.id/index.php/jhpttropika/article/view/11/11</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2015 Jurnal Hama dan Penyakit Tumbuhan Tropika</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>