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DETECTION OF GENES RESISTANT TO BACTERIAL LEAF BLIGHT IN RICE CULTIVARS FROM SITUBONDO AND JEMBER, INDONESIA

JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA · Vol. 19 No. 2 (2019) · hlm. 127–134

DOI
10.23960/j.hptt.219127-134
ISSN
2461-0399, 1411-7525
Terbit
2019-10-07
Penerbit
Universitas Lampung
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Detection of genes resistant to bacterial leaf blight in rice cultivars from Situbondo and Jember, Indonesia. Xanthomonas oryzae pv. oryzae (Xoo), causing bacterial leaf blight, is a destructive pathogen that significantly affects rice production. The use of resistant varieties is the most effective and economical strategy to reduce the impact of the disease. This study aimed to analyze the genetic basis of resistance to Xoo in rice. The incidence and severity of bacterial leaf blight were assessed in the field through a diagonal random sampling method. PCR was used to detect resistant genes in rice with eight Xa-specific primers. The presence of Xa genes and environmental conditions were statistically analyzed to determine whether the disease incidence and disease severity were related to average temperature and rain intensity. The means for disease incidence and severity at the generative stage were higher than those at the vegetative stage. The 12 rice cultivars were categorized into four groups based on the presence of Xa gene sequences; most cultivars had Xa10 and Xa13, and one cultivar had five Xa genes. Disease incidence and severity were weakly correlated to the presence of resistance genes, as well as to environmental factors. Most rice cultivars from the Regencies of Jember and Situbondo carry Xa10 and Xa13 resistance genes.

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  • Universitas Jember
  • National Taiwan Normal University
  • University of Brawijaya
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  • Organisasi berbeda
  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Ali WafaAfiliasi tidak diketahui3
Wahyu Indra Duwi FanataAfiliasi tidak diketahui2
Bevo WahonoNational Taiwan Normal University1
Anjar Putro UtomoUniversitas Jember1
K. YuanaUniversitas Jember1
Kamalia FikriUniversitas Jember1
Wiwiek Sri WahyuniAfiliasi tidak diketahui1
BUDI ARMANAfiliasi tidak diketahui1
TRI CANDRA SETYOWATIAfiliasi tidak diketahui1
Kuswati KuswatiUniversity of Brawijaya1
Aliza ZahroAfiliasi tidak diketahui1
Nadhiratuzzahra Alifiah DaudAfiliasi tidak diketahui1
Yayuk FatmawatiAfiliasi tidak diketahui1
Bambang SugihartoAfiliasi tidak diketahui1
Weny Nailul HidayatiAfiliasi tidak diketahui1
Retnosari ApriastiAfiliasi tidak diketahui1
Nur Elia NadhiraAfiliasi tidak diketahui1
Wulan Arum HardiyaniAfiliasi tidak diketahui1
Sigit PrastowoAfiliasi tidak diketahui1
Ankardiansyah Pandu PradanaAfiliasi tidak diketahui1
Widi Kusuma WardhaniAfiliasi tidak diketahui1
Zul Fauzi Nugroho HadiAfiliasi tidak diketahui1
M Azam BaihaqiAfiliasi 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">DETECTION OF GENES RESISTANT TO BACTERIAL LEAF BLIGHT IN RICE CULTIVARS FROM SITUBONDO AND JEMBER, INDONESIA</dc:title>
	<dc:creator xml:lang="en">.,, Rasmiyana</dc:creator>
	<dc:creator xml:lang="en">Addy, Hardian Susilo</dc:creator>
	<dc:creator xml:lang="en">Narulita, Erlia</dc:creator>
	<dc:subject xml:lang="en">bacterial leaf blight</dc:subject>
	<dc:subject xml:lang="en">Xa genes</dc:subject>
	<dc:subject xml:lang="en">Xanthomonas oryzae</dc:subject>
	<dc:subject xml:lang="en">Xa specific primers</dc:subject>
	<dc:description xml:lang="en">Detection of genes resistant to bacterial leaf blight in rice cultivars from Situbondo and Jember, Indonesia. Xanthomonas oryzae pv. oryzae (Xoo), causing bacterial leaf blight, is a destructive pathogen that significantly affects rice production. The use of resistant varieties is the most effective and economical strategy to reduce the impact of the disease. This study aimed to analyze the genetic basis of resistance to Xoo in rice. The incidence and severity of bacterial leaf blight were assessed in the field through a diagonal random sampling method. PCR was used to detect resistant genes in rice with eight Xa-specific primers. The presence of Xa genes and environmental conditions were statistically analyzed to determine whether the disease incidence and disease severity were related to average temperature and rain intensity. The means for disease incidence and severity at the generative stage were higher than those at the vegetative stage. The 12 rice cultivars were categorized into four groups based on the presence of Xa gene sequences; most cultivars had Xa10 and Xa13, and one cultivar had five Xa genes. Disease incidence and severity were weakly correlated to the presence of resistance genes, as well as to environmental factors. Most rice cultivars from the Regencies of Jember and Situbondo carry Xa10 and Xa13 resistance genes. </dc:description>
	<dc:publisher xml:lang="en">Universitas Lampung</dc:publisher>
	<dc:date>2019-10-07</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/534</dc:identifier>
	<dc:identifier>10.23960/j.hptt.219127-134</dc:identifier>
	<dc:source xml:lang="en">Jurnal Hama dan Penyakit Tumbuhan Tropika; Vol. 19 No. 2 (2019): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA; 127-134</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/534/pdf</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2019 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>