hybrid vigor


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Related to hybrid vigor: Hybrid vigour

hybrid vigor

[′hī·brəd ′vig·ər]
(genetics)
References in periodicals archive ?
In his previous work, CSHL Associate Professor Zach Lippman and Israeli colleagues identified a rare example of hybrid vigor involving a genetic defect in the gene that makes florigen, a hormone that controls the process of flowering and flower production.
This finding is inconsistent with the results of former studies in which the ME always masked the expression of hybrid vigor at the beginning of the larval stage (Cragg & Crisp 1991, Cruz & Ibarra 1997).
That may well be the real basis for hybrid vigor," says Dooner.
Hybrid vigor, also known as heterosis, is the miraculous phenomenon by which intercrossing two varieties of plants produces more vigorous hybrid offspring with higher yields.
The results "clearly support hybrid vigor," says Fitzpatrick.
For more than 50 years, one of the most cherished dreams of plant breeders has been to find a way to transform corn and other cereal grains into super-plants able to reproduce by themselves without losing hybrid vigor, desirable agronomic traits, or useful disease- or insect-resistance.
MPSS has jump started our efforts to understand, at the genomic level, the genetic and physiological bases of hybrid vigor in oysters, a non model species," said Professor Dennis Hedgecock.
Because of the advantages of hybrid vigor (heterosis) gained when utilizing crossbreeding in a beef production program, almost every major breed has jumped on the bandwagon to get in on the action by creating and promoting composites that utilize their breed as one of the components.
Observations of heterosis or hybrid vigor (Shull 1914) are centuries old.
Rice is important because it is a model species for learning about traits such as yield, hybrid vigor, and single and multigenic disease resistance of all grass plants including wheat and corn.
You can maximize the hybrid vigor that comes from crossbreeding by incorporating a third breed," explains Brown.