Author
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Hollender, Courtney |
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Dardick, Christopher - Chris |
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Submitted to: New Phytologist
Publication Type: Peer Reviewed Journal Publication Acceptance Date: 10/30/2014 Publication Date: 12/5/2014 Citation: Hollender, C.A., Dardick, C.D. 2014. Molecular basis of angiosperm tree architecture. New Phytologist. 206(2):541-556. Interpretive Summary: Tree shape, also known as tree architecture or growth habit, is an important aspect of orchard management. Controlling tree size by regular pruning as well as chemical sprays and the use of dwarfing rootstocks is essential for growers but very costly. The breeding of orchard trees to have more ideal architectural traits that can enable high density planting and reduced need for pruning is highly desired. New technology, including low cost DNA sequencing, is quickly advancing scientific knowledge behind the development of a tree’s natural shape. The more knowledge acquired on this topic, the more likely molecular biology can aid in breeding for beneficial tree growth habits. This review highlights current knowledge of the molecular and genetic factors that lead to tree architectures. Much of this knowledge has been amassed in the past two or three years. In addition, the basic components that make up tree architecture are described. This paper will update researchers in the tree biology field with the recent advances as well as provide background information for molecular biologists who wish to enter this field. Technical Abstract: The shoot architecture of trees greatly impacts orchard and forest management methods. Amassing greater knowledge of the molecular genetics behind tree form can benefit these industries as well as contribute to basic knowledge of plant developmental biology. This review covers basic components of tree shoot architecture as well as the current genetic and hormonal controls associated with it. |
