hybrid vigor

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Related to hybrid vigor: Hybrid vigour

hybrid vigor

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


(ˌhɛt əˈroʊ sɪs)

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 ?
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.
The lower production of TDM of the hybrids in relation to the Azulao genotype may have been caused by the low capacity of the combination between the genitors, which resulted in lowered hybrid vigor in the progenies.
Russian comfrey demonstrates hybrid vigor and grows larger and faster than true comfrey.
The materials are divided into six sections including an introduction, domestication, hybrid vigor, genome sequencing, jumping genes, and biofortification.
Utilization of hybrid vigor seems to be the best option to ensure food security worldwide.
Bacterial transconjugants were evaluated for their hybrid vigor in relation to the mid parents and better parent.
Teasing out the hidden subtleties of a type of hybrid vigor involving just one gene has provided the scientists with means to tweak the length of time that bushy tomato varieties can produce flowers.
Many breeders favor crossing Watusi with Texas Longhorns; Watusi are already built for horns and the product is a well-built calf with good hybrid vigor.
Interspecific crossing is also an effective method for exploiting hybrid vigor in many aquatic animals, including molluscs (Menzel 1977, Zouros et al.
When hybrids are stocked, you get a fish with hybrid vigor, technically, heterosis.
In contrast to previous studies, these findings confirm significant genetic diversity in Jatropha which enables SGB breeders to maximize hybrid vigor by identifying the most genetically diverse parental lines to use for the creation of elite hybrid seeds.