| 11. | Being a legume capable of symbiosis with Rhizobia, the pigeon pea enriches soil through symbiotic nitrogen fixation.
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| 12. | Rhizobia are specific to particular host species although a rhizobia species may often infect more than one host species.
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| 13. | Rhizobia are specific to particular host species although a rhizobia species may often infect more than one host species.
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| 14. | Specific strains of rhizobia are required to make functional nodules on the roots able to fix the N 2.
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| 15. | In this interaction, rhizobia bacteria induce root nodule formation in legume plants via an exchange of molecular signals.
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| 16. | The word " rhizobium " is still sometimes used as the singular form of " rhizobia"
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| 17. | Having this specific rhizobia present is beneficial to the legume, as the N 2 fixation can increase crop yield.
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| 18. | As with birds, variation is introduced in each generation of rhizobia through immigration, mutation, and gene transfer.
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| 19. | Likewise, wild lupine plants allocate fewer resources to nodules containing less-beneficial rhizobia, limiting rhizobial reproduction inside.
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| 20. | Thus, he was able to provide a mixed culture of Rhizobia capable of inoculating plants belonging to several groups.
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