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Puri, Sunil; Thompson, F.B.

doi:10.1023/a:1025494221846

Cited by 23 publications

(4 citation statements)

References 15 publications

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“…Water is critical for the successful rooting and root growth of stolon cuttings [25][26][27]. Increased water uptake capacity induced by cold plasma treatment might improve the rooting capacity of stolon cuttings [22,28].…”

Section: Discussionmentioning

confidence: 99%

Influence of low-vacuum helium cold plasma pre-treatment on the rooting and root growth of zoysiagrass (Zoysia Willd.) stolon cuttings

Li¹,

Guo²,

Zong³

et al. 2019

Plasma Sci. Technol.

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The influence of low-vacuum helium cold plasma treatment on the rooting percentage, root growth and physiochemical properties of zoysiagrass stolon cuttings was studied. Zoysiagrass stolon cuttings were pre-treated with 0, 100, 200, 300 and 400 W of cold plasma for 15 s. The cold plasma positively stimulated rooting and improved the root growth of the zoysiagrass stolon cuttings, and the 300 W treatment produced the best effect. The rooting percentage and root growth parameters, including the root length, total root surface area, total root volume, average root diameter, and root dry weight, significantly improved in response to the cold plasma treatment. In addition, the water uptake and relative conductivity of the stolon cuttings increased significantly in response to the cold plasma treatment. The results revealed that cold plasma-stimulated rooting and root growth appear to be a consequence of the improvement in permeability and water absorbing capacity of zoysiagrass stolon cuttings. The results of the present study will provide inspiration and support for the application of cold plasma in the vegetative propagation of plants.

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Section: Discussionmentioning

confidence: 99%

Influence of low-vacuum helium cold plasma pre-treatment on the rooting and root growth of zoysiagrass (Zoysia Willd.) stolon cuttings

Li¹,

Guo²,

Zong³

et al. 2019

Plasma Sci. Technol.

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“…Hansen and Phipps (1983) and Phipps et al (1983) also showed that warming and pre-soaking cuttings before planting had a positive effect on rooting of cuttings of different poplar hybrids. Subsequently, Puri and Thompson (2003) studied the influence of three levels of initial water content (dried, soaked and fresh) on the rooting capacity of different soil water potentials in stem cuttings of the hybrid Populus × euramericana. Their results showed that soil moisture as well as pre-soaking of cuttings had a positive effect on rooting.…”

Section: Pre-planting Treatmentsmentioning

confidence: 99%

Adventitious Rooting in Populus Species: Update and Perspectives

Bannoud

Bellini

2021

Front. Plant Sci.

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Populus spp. are among the most economically important species worldwide. These trees are used not only for wood and fiber production, but also in the rehabilitation of degraded lands. Since they are clonally propagated, the ability of stem cuttings to form adventitious roots is a critical point for plant establishment and survival in the field, and consequently for the forest industry. Adventitious rooting in different Populus clones has been an agronomic trait targeted in breeding programs for many years, and many factors have been identified that affect this quantitative trait. A huge variation in the rooting capacity has been observed among the species in the Populus genus, and the responses to some of the factors affecting this trait have been shown to be genotype-dependent. This review analyses similarities and differences between results obtained from studies examining the role of internal and external factors affecting rooting of Populus species cuttings. Since rooting is the most important requirement for stand establishment in clonally propagated species, understanding the physiological and genetic mechanisms that promote this trait is essential for successful commercial deployment.

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“…In Populus, formation of adventitious roots (i.e. plant roots that form from any non-root tissue) is enhanced by increased substrate moisture content (Puri and Thompson 2003), so more roots may have formed in the lower, moister substrate profile than in the upper, drier profile. This effect may have been exacerbated given that cuttings often generate most roots at their base, which in this study would have been positioned lower in the container and in substrate that stayed moisture longer.…”

Section: Discussionmentioning

confidence: 99%

Asymmetrical copper root pruning may improve root traits for reforesting steep and/or windy sites

et al. 2022

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Our research demonstrates that plant material can be produced in the nursery with asymmetrical root systems, which may have utility for reforestation of difficult planting sites characterized by steep slopes and/or windy conditions. Such a root system can be generated using chemical root pruning by applying cupric carbonate (Cu) that can arrest the development of, or cause mortality to, root apical meristems resulting in the formation of new lateral roots with an overall increase in the biomass, length, and volume of the root system. Our objective was to investigate the effect of chemical root pruning on the morphological and architectural traits of adventitious roots produced by poplar cuttings (Populus nigra L.) grown in containers coated with Cu in various symmetrical (Side, Bottom, Side + Bottom) and asymmetrical (half side + half bottom) patterns. After six weeks, roots of the cuttings were extracted from different container depths (Top, Middle, and Bottom) and portions (non-coated, Cu-coated), and analyzed. The root systems reacted to all coating patterns by increasing length, biomass, volume, and average diameters, but magnitude of increase was further affected by depth. In particular, root growth was unaffected at the Top of the container, and length was the highest at the Bottom depth. The Middle depth had a significant increment in both biomass and volume. Also, the root population increased in diameter as a possible response to Cu exposure. Interestingly, in the asymmetrically coated containers this depth response in the non-coated portions was of higher magnitude than in the Cu-coated portions.

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Cited by 23 publications

References 15 publications

Influence of low-vacuum helium cold plasma pre-treatment on the rooting and root growth of zoysiagrass (Zoysia Willd.) stolon cuttings

Influence of low-vacuum helium cold plasma pre-treatment on the rooting and root growth of zoysiagrass (Zoysia Willd.) stolon cuttings

Adventitious Rooting in Populus Species: Update and Perspectives

Asymmetrical copper root pruning may improve root traits for reforesting steep and/or windy sites

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