Effects of plant genotype and growth stage on the betaproteobacterial communities associated with different potato cultivars in two fields.

ABSTRACT: Bacterial communities in the rhizosphere are dynamic and susceptible to changes in plant conditions. Among the bacteria, the betaproteobacteria play key roles in nutrient cycling and plant growth promotion, and hence the dynamics of their community structures in the rhizosphere should be investigated. Here, the effects of plant cultivar, growth stage, and soil type on the communities associated with potato cultivars Aveka, Aventra, Karnico, Modena, Premiere, and Désirée were assessed for two different fields containing sandy soil with either a high or low organic compound content. Thus, bacterial and betaproteobacterial PCR-denaturing gradient gel electrophoresis analyses were performed to analyze the effects of plant cultivar and growth on the rhizosphere community structure. The analyses

SUBMITTER: Inceoglu O 

PROVIDER: S-EPMC2876460 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature