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P32: Soil and rhizobiological tools in the soil science, B. Oldal, B. Biro

Title:

Prof.Dr.

First Name:

Borbala

Family Name:

Biro

Position:

Head of laboratory of Rhizobiology

Name of organization:

Research Institute for Soil Science and Agricultural Chemistry of the Hungarian Academy of Sciences

Address:

Herman Otto Str. 15.

Postcode:

1022

City:

Budapest

Country:

Hungary

Telephone:

++36 1 2257495

Fax:

++36 1 2257495

E-mail:

biro@rissac.hu

Website:

www.taki.iif.hu

Title:

Mr

First Name:

Balint

Family Name:

Oldal

Position:

junior member

Name of organization:

Research Institute for Soil Science and Agricultural Chemistry of the Hungarian Academy of Sciences

Address:

Herman Otto Str. 15.

Postcode:

1022

City:

Budapest

Country:

Hungary

Telephone:

++36 1 2149007 / 1

Fax:

++36 1 2149007 / 5

E-mail:

oldal@rissac.hu

Website:

www.taki.iif.hu

Proposed Title

Soil and rhizobiological tools in the soil science

Abstract

Research Institute for Soil Science and Agricultural Chemistry of the Hungarian Academy of Sciences (RISSAC) is the scientific centre in Hungary for soil science, agrochemistry and soil biology having fundamental and applied research, education, advisory and information activities, and extensive national and international cooperation. Dept. of Soil Biology and -biochemistry, including the Laboratory of Rhizobiology Conventional and up-to-date soil and rhizosphere investigations are offered to study the microbiological state of the soil from different origins (agricultural and polluted sites). Correlation and regression analyses are used to study the interrelations between physical, chemical and biological characteristics. Ongoing projects: 1/ The use of mycorrhizal fungi for phytoremediation (EU-FP5 RTD-project). 2/ The use of cyclodextrin products to enhance phytoremediation potential of metal polluted soils (RTD project funded by the Hung. Ministry of Education). 3/ Long-term pot and field experiment to study the effect of heavy metals (13 metals in 4 levels) spicked separately or with sewage sludge on the beneficial soil microbiota. 4/ Microbial inocula from nitrogen-fixing bacteria (Rhizobium and Azospirillum) in the agriculture (RTD project funded by the Hung. Ministry of Education). 5/ Risk assessment of GM Organisms (GMO) in the environment through the model plant of \"Bt-corn\". According to these project the use of soil and biological characteristics are offered to detect and to remediate the different environments. Methods used are: - classical plate counts of most important microbes (r, k, and l strategists in the soils and the rhizosphere); - enzimatic activities (i.e. phosphatase, invertase, FDA); - to study the symbiotic structures in the rhizosphere (nodulation, acetylene reduction, colonization of AM fungi); - PCR methods for strain characterization of Rhizobia or as a tool in the inoculation methodologies, furthermore to study the diversity of various microbes in the soil. References: 1. BALLA I., VÉRTESI J., KÖVES-PÉCHY K., VÖRÖS I., BUJTÁS Z., BIRÓ B. (1998): Acclimation results of micropropagated black locust improved by inoculated microsymbionts. Plant Cell Tissue Org. Cult. 52: 113-116. 2. KÖVES-PÉCHY K., BIRÓ B., VÖRÖS I., TAKÁCS T., OSZTOICS E., STRASSER R.J. (1999): Enhanced activity of microsymbiont-host systems probed by the OJIP test. In: Photosynthesis: Mechanisms and Effects, (Ed. by G. Garab) Vol. 4: 2765-2770. Kluyver Academic Publishers. 3. BIRÓ B., KÖVES-PÉCHY K., VÖRÖS I., TAKÁCS T., EGGENBERG P., STRASSER R.J. (2000): Interrelation between Azospirillum and Rhizobium nitrogen-fixers and arbuscular mycorrhizal fungi in the rhizosphere of alfalfa at sterile, AMF-free or normal soil conditions. J. Appl. Soil Ecol. 15: 159-168 4. LANDWEHR M., HILDEBRANDT U., TOTH T., BIRÓ B., BOTHE H. (2002): The arbuscular mycorrhizal fungus Glomus geosporum, colonizes halophytes in European saline, alkaline and gypsum soils. Mycorrhiza: 12: 199-211.

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