symbiotic association between rhizobium and leguminous plant is considered as one of the significant event in nature. explain why it is significant and describe chemical and physical events reactions if any involved in this event.

Dear student,

Rhizobium exist in a symbiotic association with leguminous plants and form root nodules in legumes. They can form nodules only in leguminous plants as they are specific for legumes. Legumes synthesize various chemical attractants in soil which attract Rhizobia. Also, legumes have specific receptors and structures required for forming symbiotic association.



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