citrus rootstocks which significantly limited the reproduction of tylenchulus semipenetrans ( cobb ) `` '' citrus '' '' and `` '' poncirus '' '' biotypes responded to infection by producing a hypersensitive-type response in the root hypodermis , wound periderm and/or cavities in the root cortex , and/or abnormal vacuoles in nurse cell cytoplasm .
C0042219
mal vacu
C0010834
cytop