Reaction of pedigree selections, inbred lines, and hybrids to the black-stem disease of alfalfa, and the influence of environmental factors on variability of infection

Arneson, Morris Albin2017-07-242017-07-24http://hdl.handle.net/2097/35893Typescript, etc.Alfalfa--Disease and pest resistanceReaction of pedigree selections, inbred lines, and hybrids to the black-stem disease of alfalfa, and the influence of environmental factors on variability of infectionText