Developmental and Environmental Control of Adventitious Root Formation in Cuttings: Towards Understanding of Underlying Principles

Dear Colleagues,

This Special Issue focusses on recent experimental work and concepts towards the understanding of the action of critical factors at stock plant and cutting level that modify adventitious root formation in cuttings. In addition to plant genetics, several other factors, such as stock plant maturation, cutting position (topophysis) within the stock plant, plant nutrition, light/dark exposure, temperature, abiotic stress factors, and beneficial microorganisms modify the rooting of cuttings. Even though fundamental research on model plants has widened our understanding of the main processes that underly the reprogramming of source cells and subsequent differentiation and growth of adventitious roots, the way that the different non-genetic factors act on adventitious root formation of the diverse plant species is far from understood. Filling this gap of knowledge is necessary to improve our general understanding of the development and plasticity of plants and to further enhance the options for growers, thus reducing losses and fine-tuning propagation systems towards more efficient and sustainable protocols.

In this Special Issue, manuscripts that address the impact of various factors at stock plant and cutting level on adventitious rooting of cuttings and examine the underlying factors and processes are invited. In this context, we encourage contributions that consider the involvement of molecular factors, plant hormones, cellular processes, and primary and secondary metabolism. Papers investigating key processes taking place both at the rooting zone and at the upper parts of cuttings in response to the factors under consideration are welcome. Reports of in vitro studies are also within scope if they contribute to the understanding of developmental and/or environmental control of adventitious rooting.

Dr. Uwe Druege
Prof. Dr. Arthur G Fett-Neto
Guest Editors

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