Physiological studies on endorhizospheric establishment of Azotobacter chroococcum in wheat.
J Basic Microbiol
; 50(3): 266-73, 2010 Jun.
Article
em En
| MEDLINE
| ID: mdl-20473953
ABSTRACT
Ten strains of Azotobacter chroococcum were studied for their ability to invade the endorhizosphere of wheat. Strain W-5 exhibited ability to invade endorhizosphere as shown in the microscopic observations. This strain was compared with the strain OA-3 which did not invade the endorhizosphere zone. Strain W-5 showed higher production of cellulase and pectinase than OA-3. Both the strains induced defense enzymes in the host plant. However, induction of peroxidase and phenylalanine ammonia lyase activities (PAL) was higher in OA-3 than W-5. Quantitative differences in flavonoid like compounds obtained from root extracts and root exudates of plants inoculated with these strains were observed.
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1
Base de dados:
MEDLINE
Assunto principal:
Azotobacter
/
Triticum
/
Raízes de Plantas
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article