Several rhizobial species within a cross- inoculation group should be able to grow with particular legume species such as alfalfa, however the same cross- inoculation group would be unable to associate with other legumes species.

Question

Quizplus · Accepted Answer

This statement is true. Rhizobial species within a cross- inoculation group have the ability to form effective nodules on some legume species but not on others. This is due to the specificity of the symbiotic relationship between the rhizobia and legumes. The degree of specificity varies among different cross-inoculation groups.

Several Rhizobial Species Within a Cross- Inoculation Group Should Be