GALL FORMATION ON CIRSIUM-ARVENSE BY DITYLENCHUS-DIPSACI

  • 1 January 1979
    • journal article
    • research article
    • Vol. 11  (1) , 16-22
Abstract
Stem galls were characterized by extensive hypertrophy and hyperplasia, differentiation of nutritive tissue, nuclear modification and a central cavity containing nematodes. These findings emphasize the importance of host response in investigations of host-parasite interactions and suggest that D. dipsaci may be evolving a host race by reproductive isolation within the confines of a plant gall.

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