Columnar fruit trees

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Columnar growth:  Tracing a key player in the regulation of plant architecture: the columnar growth habit of apple trees ( Malus  ×  domestica) | SpringerLink Columnar Fruit Trees, Plant Architecture, Malus Domestica, Columnar Trees, Apple Varieties, Apple Trees, Transcription, Apple Tree, Plant Growth

Plant architecture is regulated by a complex interplay of some key players (often transcription factors), phytohormones and other signaling molecules such as microRNAs. The columnar growth habit of apple trees is a unique form of plant architecture characterized by thick and upright stems showing a compaction of internodes and carrying short fruit spurs instead of lateral branches. The molecular basis for columnar growth is a single dominant allele of the gene Columnar, whose identity…

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