Tree breeding
View article
Quantitative Genetics and Genomics Converge to Accelerate Forest Tree Breeding Open
Forest tree breeding has been successful at delivering genetically improved material for multiple traits based on recurrent cycles of selection, mating, and testing. However, long breeding cycles, late flowering, variable juvenile-mature c…
View article
Genotype by environment interactions in forest tree breeding: review of methodology and perspectives on research and application Open
Genotype by environment interaction (G×E) refers to the comparative performances of genotypes differing among environments, representing differences in genotype rankings or differences in the level of expression of genetic differences amon…
View article
Evaluating the accuracy of genomic prediction of growth and wood traits in two Eucalyptus species and their F1 hybrids Open
Made available in DSpace on 2017-11-06T23:23:04Z (GMT). No. of bitstreams: 1\n128702017Article1059.pdf: 2101406 bytes, checksum: 226abf079095dc200b0f93ee4d20d340 (MD5)\n Previous issue date: 2017-11-06
View article
Genomic Selection for Forest Tree Improvement: Methods, Achievements and Perspectives Open
The breeding of forest trees is only a few decades old, and is a much more complicated, longer, and expensive endeavor than the breeding of agricultural crops. One breeding cycle for forest trees can take 20–30 years. Recent advances in ge…
View article
Modern Strategies to Assess and Breed Forest Tree Adaptation to Changing Climate Open
Studying the genetics of adaptation to new environments in ecologically and industrially important tree species is currently a major research line in the fields of plant science and genetic improvement for tolerance to abiotic stress. Spec…
View article
Genomics-assisted breeding in fruit trees Open
Recent advancements in genomic analysis technologies have opened up new avenues to promote the efficiency of plant breeding. Novel genomics-based approaches for plant breeding and genetics research, such as genome-wide association studies …
View article
Accuracy of genomic selection for growth and wood quality traits in two control-pollinated progeny trials using exome capture as the genotyping platform in Norway spruce Open
The study indicates that GS would be efficient in reducing generation time of breeding cycle in conifer tree breeding program that requires long-term progeny testing. The sufficient number of trees within-family (16 for growth and 12 for w…
View article
The Road to Resistance in Forest Trees Open
In recent years, forests have been exposed to an unprecedented rise in pests and pathogens. This, coupled with the added challenge of climate change, renders forest plantation stock vulnerable to attack and severely limits productivity. Ge…
View article
Optimizing genomic selection for blight resistance in American chestnut backcross populations: A trade‐off with American chestnut ancestry implies resistance is polygenic Open
American chestnut was once a foundation species of eastern North American forests, but was rendered functionally extinct in the early 20th century by an exotic fungal blight ( Cryphonectria parasitica ). Over the past 30 years, the America…
View article
Benefits and risks of using clones in forestry – a review Open
The use of vegetative propagation in forestry has a long history. In this chapter of special issue, the genetic gain from clonal forestry relative to family forestry is reviewed. Both theoretical studies and experimental data from progeny …
View article
The viability of a breeding programme for ash in the British Isles in the face of ash dieback Open
Societal Impact Statement The current ash dieback epidemic in Europe caused by Hymenoscyphus fraxineus poses a key question to policy makers: whether or not to commit time and resources to the initiation of a breeding programme for the dev…
View article
Twelve Years into Genomic Selection in Forest Trees: Climbing the Slope of Enlightenment of Marker Assisted Tree Breeding Open
Twelve years have passed since the early outlooks of applying genomic selection (GS) to forest tree breeding, initially based on deterministic simulations, soon followed by empirical reports. Given its solid projections for causing a parad…
View article
Single-Step BLUP with Varying Genotyping Effort in Open-Pollinated <i>Picea glauca</i> Open
Maximization of genetic gain in forest tree breeding programs is contingent on the accuracy of the predicted breeding values and precision of the estimated genetic parameters. We investigated the effect of the combined use of contemporary …
View article
275 years of forestry meets genomics in<i>Pinus sylvestris</i> Open
Pinus sylvestris has a long history of basic and applied research that is relevant for both forestry and evolutionary studies. Its patterns of adaptive variation and role in forest economic and ecological systems have been studied extensiv…
View article
Improving genomic prediction of growth and wood traits in Eucalyptus using phenotypes from non-genotyped trees by single-step GBLUP Open
Genomic Best Linear Unbiased Prediction (GBLUP) in tree breeding typically only uses information from genotyped trees. However, information from phenotyped but non-genotyped trees can also be highly valuable. The single-step GBLUP approach…
View article
Closing the gap between phenotyping and genotyping: review of advanced, image-based phenotyping technologies in forestry Open
Key message The lack of efficient phenotyping capacities has been recognized as a bottleneck in forestry phenotyping and breeding. Modern phenotyping technologies use systems equipped with various imaging sensors to automatically collect h…
View article
Cacao breeding in Colombia, past, present and future Open
Cacao (Theobroma cacao L.) is considered a key crop in Colombian social programs aiming at alleviating rural poverty, promoting peace in post-conflict regions and, replacing crops used for illicit purposes. Colombia is thought to be part o…
View article
The effects of clonal forestry on genetic diversity in wild and domesticated stands of forest trees Open
The level of genetic diversity maintained in a population is determined by the combined action of mutation, gene flow, genetic drift and selection. Forest tree breeding is a relatively recent phenomenon compared to most crop species and th…
View article
Achievements and Challenges of Genomics-Assisted Breeding in Forest Trees: From Marker-Assisted Selection to Genome Editing Open
Forest tree breeding efforts have focused mainly on improving traits of economic importance, selecting trees suited to new environments or generating trees that are more resilient to biotic and abiotic stressors. This review describes vari…
View article
Assessing the potential for assisted gene flow using past introduction of Norway spruce in southern Sweden: Local adaptation and genetic basis of quantitative traits in trees Open
Norway spruce ( Picea abies ) is a dominant conifer species of major economic importance in northern Europe. Extensive breeding programs were established to improve phenotypic traits of economic interest. In southern Sweden, seeds used to …
View article
Brief history of Eucalyptus breeding in Brazil under perspective of biometric advances Open
Forest breeding is a science that has been developing in Brazil since 1941 being the Eucalyptus a highlighted genus in this scenario. In a global scene, Brazil is displayed prominently in productivity of Eucalyptus planting, due to favorab…
View article
European and American chestnuts: An overview of the main threats and control efforts Open
Chestnuts are multipurpose trees significant for the economy and wildlife. These trees are currently found around the globe, demonstrating their genetic adaptation to different environmental conditions. Several biotic and abiotic stresses …
View article
Marker-Assisted Selection in Breeding for Fruit Trait Improvement: A Review Open
Breeding fruit species is time-consuming and expensive. With few exceptions, trees are likely the worst species to work with in terms of genetics and breeding. Most are characterized by large trees, long juvenile periods, and intensive agr…
View article
Genetic Parameters and the Impact of Off-Types for Theobroma cacao L. in a Breeding Program in Brazil Open
Breeding programs of cacao (Theobroma cacao L.) trees share the many challenges of breeding long-living perennial crops, and genetic progress is further constrained by both the limited understanding of the inheritance of complex traits and…
View article
Quantitative genetic parameters for growth and wood properties in Eucalyptus “urograndis” hybrid using near-infrared phenotyping and genome-wide SNP-based relationships Open
A thorough understanding of the heritability, genetic correlations and additive and non-additive variance components of tree growth and wood properties is a requisite for effective tree breeding. This knowledge is essential to maximize gen…
View article
Progress in Somatic Embryogenesis of Japanese Pines Open
Somatic embryogenesis (SE) in not only one of the most promising techniques for mass propagation of selected trees, but also is a valuable tool for basic research studies in cell biology and genetic engineering, and it allows the long-term…
View article
A plan to diversify a transgenic blight‐tolerant American chestnut population using citizen science Open
Societal Impact Statement Over four billion American chestnut trees have been killed as a result of an introduced pathogen, the chestnut blight fungus. Recently, transgenic blight‐tolerant American chestnut trees have been produced by inse…
View article
Genetic Variation, Heritability and Genotype × Environment Interactions of Resin Yield, Growth Traits and Morphologic Traits for Pinus elliottii at Three Progeny Trials Open
To better understand the genetic control of resin yield, growth traits and morphologic traits for Pinus elliottii families, genetic relationships among these traits were examined in three 27-year-old progeny trials located in Jingdezhen, J…
View article
Genetic Improvement of Pinus koraiensis in China: Current Situation and Future Prospects Open
Pinus koraiensis (Sieb.et Zucc) is an economically and ecologically important tree species, naturally distributed in northeastern China. Conservation efforts and genetic improvement for this species began in the 1960s and 1980s, with the e…
View article
A high-density exome capture genotype-by-sequencing panel for forestry breeding in Pinus radiata Open
Development of genome-wide resources for application in genomic selection or genome-wide association studies, in the absence of full reference genomes, present a challenge to the forestry industry, where longer breeding cycles could benefi…