hybrid vigor


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hybrid vigor

n.
Increased vigor or other superior qualities arising from the crossbreeding of genetically different plants or animals. Also called heterosis.

het•er•o•sis

(ˌhɛt əˈroʊ sɪs)

n.
the increase in growth, size, yield, or other characters in hybrids over those of the parents.
[1910–15; < Late Greek hetérōsis an alteration. See hetero-, -osis]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hybrid vigor - (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent
tendency, inclination - a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink"
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
References in periodicals archive ?
However, the challenge is that this hybrid vigor appears to get lost across each generation of the plant.
These hybrids should grow better than the parent species because of hybrid vigor and show stronger disease resistance while fetching the same price in fresh fish markets.
When parents contribute very different genes to an offspring, as in their case, the resulting organism possesses what scientists call "hybrid vigor." "It's a widely known effect in other areas, but no one had studied it in coffee," says Benoit Bertrand, a researcher for the French Agricultural Research Centre for International Development and a leading authority on coffee breeding.
NILI-Ravi cross-bred buffalo is an admirable example of hybrid vigor as the traits from both Nili and Ravi breeds were naturally inculcated into this new breed.
Although, commercially the two botanical groups are known only as "Robusta coffee," separation of botanical varieties allows the systematic production of hybrid progenies, exploiting the hybrid vigor manifested in the intervarietal crossing, with the possibility of bringing together in the same genotype the best characteristics of the botanical varieties Conilon and Robusta.
Hybrid rice has both greater vigor and higher yield than either parent variety - this is commonly called 'hybrid vigor'.
As Gould noted about these projects, "although the two disciplines may usually communicate in different dialects, when juxtaposed they strikingly reflect upon and enhance one another." Purcell calls it "hybrid vigor." And when she is photographing junkyard finds that she finds fascinating, she asks "When does an object become worthy of a scientific name?"
Additive gene action is effectively responsive to selection whereas, non-additive gene action (dominance and epistatic) enhances the hybrid vigor in cross combination of inbred lines.
canephora, a program of reciprocal recurrent selection was conducted using the hybrid vigor observed between genotypes of different origins [8, 23, 24].
Russian comfrey demonstrates hybrid vigor and grows larger and faster than true comfrey.