BN—29529 
White clover selections at the U.S. Regional Pasture Research Laboratory, University Park, Pa., inoculated with a 
crown rot fungus. Effective inoculation techniques are needed for many economically important diseases. 
BN—29528 
Alfalfa breeding lines resistant to the spotted alfalfa aphid show good growth; damaged rows were planted to a 
susceptible variety. 
10 
