Res.(llcter.)»14 



TABLE 7 



Tests of the resistant S.. andlgena - S.. tuberosum cross, Z3/7, 



against various local races of potato root eelworm: 

 cumulative results from three visual assessments 



of cysts on the peripheral root system 



Jersey 



++ ++ 



3rd Batch 



Ramsey 



jRothamsted (2) 



Fosdyke 



Deeping 



Scilly 



Gulval 



Controls (1 

 (2 

 (3 



Key: See foot of Table ,^. 



