Results 251 to 260 of about 188,733 (294)

A novel resistance locus from an unexploited East Asian Vitis coignetiae confers resistance to grapevine downy mildew. [PDF]

Theor Appl Genet
Malagol N, Werner A, Töpfer R, Hausmann L.   +3 more
europepmc   +1 more source

Rhizosphere microbial patterns and climatic correlates of phenotypic variation in <i>Rosa roxburghii</i>. [PDF]

Front Microbiol
Qin H, Gong H, Wang X, Liu Y, Song W, Li Z, Xiang H.   +6 more
europepmc   +1 more source

The evolutionary ecology of phenotypic variance

, 2023
Individual variation lies at the foundation of evolutionary theory. Trait differences among individuals can drive ecologically significant changes in the abundance, distribution, and composition of populations and communities. Phenotypic variance is particularly relevant in the context of global change, where plasticity can buffer evolutionary ...
Peterson, Christopher R., 0000-0002-7336-5532   +1 more
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Psoriatic Arthritis: Phenotypic Variance and Nosology

Current Rheumatology Reports, 2013
Psoriatic arthritis (PsA) has been recognized as a distinct entity different from rheumatoid arthritis. Classification and phenotyping of PsA have progressed substantially since the first classification criteria of the disease were published in 1973 by Moll and Wright. The initial disease patterns described by Moll and Wright have been found to overlap
Lihi, Eder, Dafna D, Gladman
openaire   +2 more sources

Variance of Heritability Ratios Estimated from Phenotypic Variance Components

Biometrics, 1972
Heritability ratios are considered from observations on genotypes grown in a series of environments, sampling sites, and years. Two random models, appropriate to randomised complete block designs, are examined: one classifying the environments into sites and years, the other not distinguishing between these effects but considering both simply as ...
I L, Gordon, D E, Byth, L N, Balaam
openaire   +2 more sources

The phenotype and the components of phenotypic variance of crop traits

Field Crops Research, 2013
Abstract Field Crops Research focuses on both experimental and modelling research at the field, farm and landscape level on temperate and tropical crops and cropping systems, with a focus on crop ecology and physiology, agronomy, plant genetics and breeding.
V.O. Sadras, G.J. Rebetzke, G.O. Edmeades   +2 more
openaire   +1 more source

The Distribution Among Populations in Phenotypic Variance with Inbreeding

Evolution, 1996
The effects of inbreeding on the phenotypic variance within populations were measured in a set of 30 bottlenecked lines derived from a single source population of Drosophila melanogaster. Inbred lines had significant variance among lines in the amount of phenotypic variance within lines, for thorax length, and sternopleural bristle scores.
Michael C, Whitlock, Kevin, Fowler
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Partitioning the phenotypic variance of reaction norms

2023
Temporal variation in natural selection is predicted to strongly impact the evolution and demography of natural populations, with consequences for the rate of adaptation, evolution of plasticity, and extinction risk. Most of the theory underlying these predictions assumes a moving optimum phenotype, with predictions expressed in terms of the temporal ...
Pierre de Villemereuil, Luis-Miguel Chevin   +1 more
openaire   +1 more source

Variant evolutionary trees under phenotypic variance

Journal of Theoretical Biology, 2004
Evolutionary branching, which is a coevolutionary phenomenon of the development of two or more distinctive traits from a single trait in a population, is the issue of recent studies on adaptive dynamics. In previous studies, it was revealed that trait variance is a minimum requirement for evolutionary branching, and that it does not play an important ...
Nishimura, Kinya, Isoda, Yutaka
openaire   +3 more sources