Definition of self-sterile in English:

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self-sterile

adjective

Biology
Incapable of self-fertilization.
Example sentences
  • Lower seed numbers in outcrossed fruits of self-fertile versus self-sterile plants probably reflect inbreeding depression due to mating of related individuals.
  • Many plants, apparently physically equipped for self-fertilization, were completely self-sterile.
  • By contrast, mutant hermaphrodites are self-sterile when unmated due to a failure in spermatid activation.

Derivatives

self-sterility

noun
Example sentences
  • This is because the genetic load required for complete self-sterility based on inbreeding depression is so unusually high that it is rarely, if ever, reached by any species.
  • In fact, the evolutionary pathway from obligate outcrossing based on self-sterility to predominant self-fertilization is among the most common and widespread trends in flowering plants.
  • This was accomplished by isolating single-conidium cultures from each progeny and testing for self-sterility and for mating type.

For editors and proofreaders

Syllabification: self-ster·ile

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