outbreeding

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outbreeding

[′au̇t‚brēd·iŋ]

(genetics)

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Outcrossing rate MLEs for individual families were highly variable, ranging from 0.5 to 1.0 in the parental-like groups and from 0.42-1.00 in the hybrid fraction of each hybrid zone [ILLUSTRATION FOR FIGURE 2 OMITTED].

Patterns of mating in wild sunflower hybrid zones

They benefit strongly from outcrossing facilitated by bee visitation.

Breeding biology of the threadstalk milkvetch, Astragalus filipes (Fabaceae), with a review of the genus

Outcrossing results from these hybrids gave an empirical measure of flowering synchrony with the source, and provided a baseline of outcrossing at very short distance.

Isolation of maize from pollen-mediated gene flow by time and distance

If seeds within fruits are indeed the products of self-pollination, the relatedness of seeds within fruits should have an outcrossing rate (t) close to zero, and the undispersed seedling aggregations around the maternal plant should be related as full siblings.

ANT-MEDIATED SEED DISPERSAL ALTERS PATTERN OF RELATEDNESS IN A POPULATION OF TRILLIUM GRANDIFLORUM

A test for proximity dependent outcrossing in the alpine skypilot, Polemonium viscosum.

The relationship between cross success and spatial proximity of Eucalyptus globulus ssp. globulus parents

The authors are not aware of any outcrossing studies for cotton in California, where both the environment and the varieties differ from those in the southeastern USA.

Pollen-mediated gene flow in California cotton depends on pollinator activity

Natural selection may therefore favor selfing over outcrossing under some conditions.

Contribution to delayed autonomous selfing to reproductive success in Mountain Laurel, Kalmia latifolia (Ericaceae)

To determine the effects of herbivory on the mating structure of this population, we compared outcrossing rates between 23 protected and 23 exposed plants.

The effect of floral herbivory on male and female reproductive success in Isomeris arborea

In this case, the self progeny can be the result of either a maternal plant derived from selfing or from outcrossing. Only in the former case is the maternal component expressed.

Fitness consequences of maternal and nonmaternal components of inbreeding in the gynodiodecious Phacelia dubia

Wheat is classified as an inbreeding species; however, low rates of outcrossing (usually less than 2%) can occur via wind-borne pollen (Lersten, 1987; Poehlman and Sleper, 1995).

Pollen-mediated gene flow from blue aleurone wheat to other wheat cultivars

Because isozyme studies have shown that the Virginia sites predominantly outcross (over 85% of their seeds on average, with as much as 95% outcrossing in some years; M.

The role of resources and pathogens in mediating the mating system of Kalmia latifolia

This association can allow selfing variants to invade an outcrossing population even if population-level inbreeding depression is high enough to counteract the transmission advantage inherent to selfing (Fisher 1941).

The effects of five generations of enforced selfing on potential male and female function in Mimulus guttatus

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