Meaning of self-incompatibility in English:

self-incompatibility

noun

Botany

See self-incompatible

  • ‘They may also have roles in pollen tube self-incompatibility and in plant defence responses.’
  • ‘Gametophytic self-incompatibility is a widespread mechanism in flowering plants that prevents self-fertilization and promotes out-crossing.’
  • ‘This cryptic self-incompatibility may effectively reduce geitonogamous self-fertilization, because stigmas probably receive outcross and geitonogamous pollen simultaneously.’
  • ‘It is reasonable to conclude that there are at least three separate origins of gametophytic self-incompatibility in angiosperms.’
  • ‘On the other hand, recent studies have pointed out the existence of late-acting self-incompatibility, in which self-pollen rejection occurs after the pollen tubes enter the ovary.’