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IMPACT OF SOME PGPR ON ZEA MAYS “IN VITRO” DEVELOPMENT AS ENVIRONMENTAL BIOTECHNOLOGY APPLICATION

S. Stefan, Z. Olteanu, O. Lacramioara, D. Simona, VINTU

First published: 2006DOI pendingView metrics

Abstract

Plant growth-promoting rhizobacteria (PGPR) can effect plant growth and development in two different ways: indirectly or directly. Indirect promotion of plant growth occurs when these bacteria decrease or prevent some of the deleterious effects of phytopathogenic microorganism. The most important way is the direct way, when bacteria promote plant growth by providing the plant with a compound that is synthesized by the bacteria from plant rhizosphere. From this point of view there are many studies that show the importance of rhizobacterial population’s usage in the context of ecological agriculture. Our paper, in line with this context, aimed at pointing out the influence of some bacterial strains (isolated from the rhizosphere of maize cultivars) on the total carbohydrates and soluble proteins contents of the Zea mays L. plants during in vitro development. Biochemical tests were performed in two ontogenetically stages, at the ages of 25 and 47 days. The results show a rhizobacterial influence on the carbohydrates and soluble proteins contents of the maize plants.

Publication details

Title
IMPACT OF SOME PGPR ON ZEA MAYS “IN VITRO” DEVELOPMENT AS ENVIRONMENTAL BIOTECHNOLOGY APPLICATION
Authors
S. Stefan, Z. Olteanu, O. Lacramioara, D. Simona, VINTU
Proceedings
6th International Scientific Conference - SGEM
Publisher
SGEM Scientific GeoConference
Year
2006
Pages
57-66
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
References2

  1. 1. Artenie, V., Elvira Tănase, 1981 - Practicum de biochimie generală, Ed. Univ. „Al. I. Cuza” Iaşi, 110 -111, p. 135 -138.

  2. 2. Bowen, G. D., and Rovira, A. D. 1999 - The rhizosphere and its management to improve plant growth, Adv. Agron., 66, p. 1-102.

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