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What are the root nodules of leguminous plants?

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Root nodules occur on the roots of plants (primarily Fabaceae) that associate with symbiotic nitrogen-fixingbacteria. read more

Root nodules occur on the roots of plants (primarily Fabaceae) that associate with symbiotic nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria known as rhizobia. read more

In this activity, students will culture nitrogen-fixing bacteria from root nodules of leguminous plants. This will reinforce understanding of the role of bacteria in the nitrogen cycle and explore an example of symbiosis or mutualism. read more

Legumes are dehiscent fruits that release their seeds by splitting open along two seams, though some, such as Peanut (Arachis hypogaea) do not naturally open. read more