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Nitrogenase Activity and IAA Production of Indigenous Diazotroph and Its Effect on Rice Seedling Growth

AGRIVITA, Journal of Agricultural Science · Vol. 39 No. 1 (2016) · hlm. 31–37

DOI
10.17503/agrivita.v39i1.653
ISSN
2477-8516, 0126-0537
Terbit
2016-12-19
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0/

Abstrak

The diazotroph bacteria as ecofriendly biofer-tilizers play an important role in improving the N status and availability of paddy soil. Laboratory experiment to study nitrogenase activity and IAA production of diazotroph from rice rhizosphere and to assess its effect on the growth of rice seedling has been conducted from September to October 2014 in Agronomy and Horticulture Laboratory Faculty of Agriculture Jenderal Soedirman University, Purwokerto. The experiment was arranged as a completely randomized design and consisted of seven treatments and provided with 4 replications. The treatments were the isolates of indegenous diazotroph (T1 = A11003, T2 = A230041, T3 = A24001, T4 = A230022, T5 = A230021, T6 = A230042 and T7 = without inoculation). The nitrogenase activity measured by acetylene reduction assay method and IAA production was measured by HPLC method. Plant height, leaf greeness, leaf area, total dry weight and total root length were determined on 21 days after sowing. The experimental results showed that the isolat A230021 was identified as Rhizobium sp. LM-5 and have the highest nitrogenase activity at 0.07 µM C2H4 ml-1 h-1 and IAA production reached 19.01 ppm. Inoculation with strains of diazotroph enhanced chlorophyl content, total root length, and biomass production.

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  • Cenderawasih University
  • Hasanuddin University
  • State University of Malang
  • Universitas Gajayana Malang
  • Universitas Muhammadiyah Metro
  • Universiti Utara Malaysia
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Rekan penulisOrganisasiArtikel bersama
Mieke Rochimi SetiawatiAfiliasi tidak diketahui5
Gunadi GunadiUniversitas Gajayana Malang4
Dedi RuswandiAfiliasi tidak diketahui3
Widyatmani Sih DewiAfiliasi tidak diketahui3
Istadi IstadiAfiliasi tidak diketahui3
Luqman BuchoriAfiliasi tidak diketahui3
Supriyadi SupriyadiAfiliasi tidak diketahui3
Anne NurainiAfiliasi tidak diketahui3
Muhammad Isran RamliHasanuddin University2
Ni Wayan Anik LeanaAfiliasi tidak diketahui2
Eka OktavianiAfiliasi tidak diketahui2
Triyanto TriyantoAfiliasi tidak diketahui2
Yenny Aman SerahAfiliasi tidak diketahui2
Resmaya Agnesia Mutiara SiraitAfiliasi tidak diketahui2
Agustinus AstonoAfiliasi tidak diketahui2
Fakhri Nasharul SyihabAfiliasi tidak diketahui2
Nadia Nuraniya KamaluddinAfiliasi tidak diketahui2
Betty Natalie FitriatinAfiliasi tidak diketahui2
Budiyono BudiyonoAfiliasi tidak diketahui2
Sumani SumaniAfiliasi tidak diketahui2
Denny Nugroho SugiantoAfiliasi tidak diketahui2
Muliyadi MuliyadiAfiliasi tidak diketahui2
Sri SumiyatiAfiliasi tidak diketahui2
Rosye H.R. TanjungCenderawasih University1
Suriani Br. SurbaktiCenderawasih University1
Dian Dwi Apriliyani ArsdinHasanuddin University1
Nuzul HidayatAfiliasi tidak diketahui1
SUDIRMAN SUDIRMANState University of Malang1
Nego LinuhungUniversitas Muhammadiyah Metro1
Sukoriyanto SukoriyantoState University of Malang1
Mohd Isha AwangUniversiti Utara Malaysia1
Ibnu SiswantoAfiliasi tidak diketahui1
Agus Puji PrasetyonoAfiliasi tidak diketahui1
Sudarwanto SudarwantoAfiliasi tidak diketahui1
Atha Fawwaz RudiyantoAfiliasi tidak diketahui1
Nuroktav AdeAfiliasi tidak diketahui1

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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">Nitrogenase Activity and IAA Production of Indigenous Diazotroph and Its Effect on Rice Seedling Growth</dc:title>
	<dc:creator>Purwanto, Purwanto</dc:creator>
	<dc:creator>Yuwariah, Yuyun</dc:creator>
	<dc:creator>Sumadi, Sumadi</dc:creator>
	<dc:creator>Simarmata, Tualar</dc:creator>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:subject xml:lang="en-US">diazotroph; IAA; N fixation; nitrogenase; plant growth</dc:subject>
	<dc:description xml:lang="en-US">The diazotroph bacteria as ecofriendly biofer-tilizers play an important role in improving the N status and availability of paddy soil. Laboratory experiment to study nitrogenase activity and IAA production of diazotroph from rice rhizosphere and to assess its effect on the growth of rice seedling has been conducted from September to October 2014 in Agronomy and Horticulture Laboratory Faculty of Agriculture Jenderal Soedirman University, Purwokerto. The experiment was arranged as a completely randomized design and consisted of seven treatments and provided with 4 replications. The treatments were the isolates of indegenous diazotroph (T1 = A11003, T2 = A230041, T3 = A24001, T4 = A230022, T5 = A230021, T6 = A230042 and T7 = without inoculation). The nitrogenase activity measured by acetylene reduction assay method and IAA production was measured by HPLC method. Plant height, leaf greeness, leaf area, total dry weight and total root length were determined on 21 days after sowing. The experimental results showed that the isolat A230021 was identified as Rhizobium sp. LM-5 and have the highest nitrogenase activity at 0.07 µM C2H4 ml-1 h-1 and IAA production reached 19.01 ppm. Inoculation with strains of diazotroph enhanced chlorophyl content, total root length, and biomass production.</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>2016-12-19</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<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/653</dc:identifier>
	<dc:identifier>10.17503/agrivita.v39i1.653</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 39, No 1 (2017): FEBRUARY; 31-37</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v39i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/653/831</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2016 AGRIVITA Journal of Agricultural Science</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0/</dc:rights>
</oai_dc:dc>