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Industry Terms

Hybrid vigor such that an F1 hybrid falls outside the performance range of cannabis parents with respects to some character or characters – usually applied to size, the rate of growth or general vigor.

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Merriam-Webster Online Dictionary
heterosis (noun)
the marked vigor or capacity for growth often exhibited by crossbred animals or plants - called also hybrid vigor
Heterosis (Wikipedia)
Not to be confused with Heterozygosity, or with Heterotic string theory.
See also: Heterozygote advantage
"Heterotic" redirects here. For the musical group Heterotic, see Mike Paradinas.

Heterosis, hybrid vigor, or outbreeding enhancement is the improved or increased function of any biological quality in a hybrid offspring. An offspring is heterotic if its traits are enhanced as a result of mixing the genetic contributions of its parents. The heterotic offspring often has traits that are more than the simple addition of the parents' traits, and can be explained by Mendelian or non-Mendelian inheritance. Typical heterotic/hybrid traits of interest in agriculture are higher yield, quicker maturity, stability, drought tolerance etc.

Time course imaging of two maize inbreds and their F1 hybrid (middle) exhibiting heterosis.
Heterosis (Wiktionary)

English

Etymology

From hetero- +‎ -osis.

Noun

heterosis (countable and uncountable, plural heteroses)

  1. (genetics) The tendency of cross-breeding to produce an animal or plant with a greater hardiness than its parents; hybrid vigour.

Related terms

  • heterotic

Translations

Anagrams

  • isotheres, otherises, theorises

Welsh

Etymology

Borrowed from English heterosis. Analysable as hetero

... Read More
Hybrid vigor, Outbreeding enhancement, Crossbreeding advantage, Genetic superiority, Hybrid advantage

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