root nodule


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to root nodule: Rhizobium bacteria

root nodule

[′rüt ′näj‚ül]
(plant pathology)
An abnormal nodular growth on a plant root system caused by the establishment of symbiotic nitrogen-fixing bacteria in the host tissue.
References in periodicals archive ?
A Genomic Encyclopedia of the Root Nodule Bacteria: assessing genetic diversity through a systematic biogeographic survey.
The roots of the plant were washed in sieve with running water and effective root nodules were separated and counted.
Chemical fertiliser was then broadcast and root nodule bacteria were inoculated.
Distribution of roots and root nodules and biomass allocation in young intensively managed grey alder stands on a peat bog.
2]-fixation ability of root nodules under chilling treatment could also be explained by the anti-oxidative activity of the flavonoids with 3', 4'-dihydroxy configuration.
In the root nodule associations, reciprocal induction of gene expression by the partners is essential for all phases of nodule morphogenesis and maturation (Niner and Hirsch, 1998); i.
Lectin genes are expressed throughout root nodule development and during nitrogen-fixation in the Rhizobium-Medicago symbiosis.
bracteata and its associated root nodule bacteria (Bradyrhizobium sp.
The current study used the annual legume Amphicarpaea bracteata and its associated root nodule bacteria (genus Bradyrhizobium) to investigate this issue.
10 Rhizobiunm root nodules per plant) followed by neem cake + carbosulfan treatment with 50.
Numerous bacterial species that belong to the a-proteobacteria and the order Rhizobiales, collectively known as rhizobia, can engage in a symbiosis with plants of the leguminous family forming root nodules in which atmospheric N is fixed.