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 ...

University of Minnesota Extension During the 2006 dry spell, Peter Jeranyama, South Dakota state forage specialist, described the affects of drought on alfalfa this way: Alfalfa can go dormant ...

By Paul Peterson, Dave Nicolai and Dan Martens, University of Minnesota Extension Winter survival of alfalfa is a complex process influenced by many factors. For many years the rule was to avoid ...

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 ...