Disease resistance information— Continued 



Sclerotica Crown and 

 Stem Rot 



Sclerotinia trifoliorum 

 Eriks. 



Spring Black Stem 



Phoma medicaginis 

 Malbr. & Roum. 

 (Ascochyta imperfecta) 



Stagonospora Crown and 

 Root Rot and Leaf Spot 



Stagonospora meliloti 

 (Lasch) Petr. 



Stemphylium Leaf Spot 



Pleospora herbarum 

 (Pers. ex. Fr.) Rab. 

 (Stemphylium botryosum 

 Wallr.) 



Distribution and severity map: Figure 13 

 Scientists and locations with expertise: 6 and 37 



Check cultivars: 



Dormant and semidormant types: 

 Nondormant types: 



Resistant 



Susceptible 



Screening procedures: L and F 

 Evaluation procedures: None 



Distribution and severity map: Figure 14 

 Scientists and locations with expertise: 8, 9, and 17 



Check cultivars: 



Dormant and semidormant types: 

 Nondormant types: 



Resistant 



Susceptible 



Ramsey 



Lahontan, Ranger 



Screening procedures: L and F 



Evaluation procedures: May be possible on occasion in field. 



Distribution and severity map: None 



Scientists and locations with expertise: 7, 9, and 34 



Check cultivars: 



Dormant and semidormant types: 

 Nondormant types: 



Resistant 



Susceptible 



Screening procedures: None 

 Evaluation procedures: None 



Distribution and severity map: Figure 15 



Scientists and locations with expertise: 9, 17, and 36 



Check cultivars: 



Dormant and semidormant types: 

 Nondormant types: 



Resistant 



Susceptible 



Screening procedures: F 



Evaluation procedures: May be possible on occasion in field. 



Summer Black Stem 



Cercospora medicaginis 

 Ell. & Ev. 



Distribution and severity map: Figure 16 

 Scientists and locations with expertise: 31 and 32 



Check cultivars: 



Dormant and semidormant types: 

 Nondormant types: 



Resistant 



Screening procedures: F 



Evaluation procedures: May be possible on occasion in field. 



Susceptible 



Lahontan 



