question_answer 47)

Trace the events starting from the coming in contact of Rhizobium to a leguminous root till nodule formation. Add a note on importance of leg haemoglobin.  

Answer:

                  Formation of Root Nodule The coordinated activities of the legume and the Rhizobium bacteria depend on the chemical interaction between the symbiotic partners. principle stages in the nodule formation are summonsed in the following diagram Leg haemoglobin is an oxygen scavenger, it protects nitrogenase enzyme fromand also creates anaerobic conditions for the reduction of toby Rhizobium.