Crop Biodiversity: An Unfinished Magnum Opus of Nature - PubMed
- ️Tue Jan 01 2019
Review
Crop Biodiversity: An Unfinished Magnum Opus of Nature
Matthew B Hufford et al. Annu Rev Plant Biol. 2019.
Free article
Abstract
Crop biodiversity is one of the major inventions of humanity through the process of domestication. It is also an essential resource for crop improvement to adapt agriculture to ever-changing conditions like global climate change and consumer preferences. Domestication and the subsequent evolution under cultivation have profoundly shaped the genetic architecture of this biodiversity. In this review, we highlight recent advances in our understanding of crop biodiversity. Topics include the reduction of genetic diversity during domestication and counteracting factors, a discussion of the relationship between parallel phenotypic and genotypic evolution, the role of plasticity in genotype × environment interactions, and the important role subsistence farmers play in actively maintaining crop biodiversity and in participatory breeding. Linking genotype and phenotype remains the holy grail of crop biodiversity studies.
Keywords: farmer selection; gene flow; genetic diversity; parallel and convergent evolution; phenotypic plasticity; seed systems.
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