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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제19권 제10호
- 발행연도
- 2009.1
- 수록면
- 1,213 - 1,222 (10page)
이용수
초록· 키워드
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The search for diverse plant growth-promoting (PGP)
diazotrophic bacteria is gaining momentum as efforts are
made to exploit them as biofertilizers for various economically
important crops. In the present study, 17 diazotrophic
strains belonging to eight different genera isolated from
rice paddy fields were screened for multiple PGP traits
and evaluated for their inoculation effects on canola
and rice plants. All of the strains tested positive for 1-
aminocyclopropane-1-carboxylate (ACC) deaminase activity
and production of indole 3-acetic acid (IAA) and ammonia
(NH3). Additionally, four of the strains were able to
solubilize phosphorus (P), five tested positive for zinc (Zn)
solubilization and sulfur (S) oxidation, and eight strains
produced siderophores. Based on the presence of multiple
PGP traits, 10 strains were selected for inoculation studies.
Treatment with Herbaspirillum sp. RFNB26 resulted in
maximum root length (54.3%), seedling vigor, and dry
biomass in canola, whereas Paenibacillus sp. RFNB4
exhibited the lowest activity under gnotobiotic conditions.
However, under pot culture conditions, Paenibacillus sp.
RFNB4 significantly increased plant height and dry
biomass production by 42.3% and 29.5%, respectively.
Canola plants and rhizosphere soils inoculated with Bacillus
sp. RFNB6 exhibited significantly higher nitrogenase
activity. In greenhouse experiments, Serratia sp. RFNB18
increased rice plant height by 35.1%, Xanthomonas sp.
RFNB24 enhanced biomass production by 84.6%, and
rice rhizosphere soils inoculated with Herbaspirillum sp.
RFNB26 exhibited the highest nitrogenase activity. Our
findings indicate that most of the selected strains possess
multiple PGP properties that significantly improve the
growth parameters of the two plants when tested under
controlled conditions.
목차
등록된 정보가 없습니다.
참고문헌 (21)
참고문헌 신청
Anandham R / 2009 / Thiosulfate Oxidation and Mixotrophic Growth of Methylobacterium goesingense and Methylobacterium fujisawaense / Journal of Microbiology and Biotechnology
Arnow, E. / 1937 / Colorimetric estimation of the components of 3,4-dihydroxyphenylalanine-tyrosine mixtures / J. Biol. Chem 118 : 531 ~ 537
Atkin, C. L. / 1970 / Rhodotorulic acid from species of Leucosporidium, Rhodosporidium, Rhodotorula, Sporidiobolus, and Sporobolomyces, and a new alanine-containing ferrichro
Balandreau, J. / 2001 / Burkholderia cepacia genomovar III is a common plant-associated bacterium / Appl. Environ. Microbiol 67 : 982 ~ 985
Baldani, V. L. D. / 2000 / Inoculation of rice plants with the endophytic diazotrophs Herbaspirillum seropedicae and Burkholderia spp / Biol. Fertil. Soils 30 : 485 ~ 491
Arnow, E. / 1937 / Colorimetric estimation of the components of 3,4-dihydroxyphenylalanine-tyrosine mixtures / J. Biol. Chem 118 : 531 ~ 537
Atkin, C. L. / 1970 / Rhodotorulic acid from species of Leucosporidium, Rhodosporidium, Rhodotorula, Sporidiobolus, and Sporobolomyces, and a new alanine-containing ferrichro
Balandreau, J. / 2001 / Burkholderia cepacia genomovar III is a common plant-associated bacterium / Appl. Environ. Microbiol 67 : 982 ~ 985
Baldani, V. L. D. / 2000 / Inoculation of rice plants with the endophytic diazotrophs Herbaspirillum seropedicae and Burkholderia spp / Biol. Fertil. Soils 30 : 485 ~ 491
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