The specific interaction of the bacteria with alfalfa root hairs results in the development of root nodules, differentiated plant structures containing intracellular bacteria. These bacteria reduce ...

Phenotype analysis of 171 alfalfa samples based on six root system architecture (RSA) traits. (A) Comparison of six root traits among different improved statuses. (B, C) Box plots that display RDW ...

Affected root systems contain irregular, large growths, called galls. Galls can be distinguished from beneficial nitrogen fixing bacterial nodules by breaking open the structure; galls will be ...