The effects of root pruning on growth and physiology of two Acer species in New Zealand

Benson, Andrew R.; Morgenroth, Justin; Koeser, Andrew K.

doi:10.1016/j.ufug.2018.11.006

Cited by 24 publications

(13 citation statements)

References 67 publications

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“…Like Ricinus , Jatropha produced more biomass in its stem than in its roots, but these roots were heavier and thicker compared to Ricinus . Thus, we state that Jatropha benefited from root pruning because this species usually does not develop highly branched roots during its juvenile stage [11], and the number of roots increased more than six times after this treatment. Other research of three-year-old plants indicate that this species can grow fine roots of greater lengths in the surface soil [46], same as are found in juvenile plants, but it has a conservative root system, which means that these roots will not be as good as the ones of Ricinus at capturing nutrients and water; consequently, plant development of Jatropha is slower.…”

Section: Discussionmentioning

confidence: 99%

“…This relationship can be a consequence of Jatropha being a stem succulent species [44], which depends more on its stem to avoid drought than Moringa or Ricinus . The allometric relationships of the three species indicate that they maintained their natural biomass partition after pruning and transplant, recovering from the shock in less than 83 days, which is a shorter time compared with other perennial species that required more than 100 days [11].…”

Section: Discussionmentioning

confidence: 99%

“…Although there are not specific recommendations for how to trim the roots of these species, it is known that this practice induces a “transplant shock”, which is a condition of distress caused by root injuries and the need for the plant to adapt to a new environment [9]. Besides this, it has been reported that root pruning can decrease vegetative growth rates in trees and crops of different species but, at the same time, it can stimulate the development of new roots, contributing to the improvement of root biomass [10,11].…”

Section: Introductionmentioning

confidence: 99%

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Seedling Characteristics of Three Oily Species before and after Root Pruning and Transplant

Valdés-Rodríguez

Pérez-Vázquez

2019

Plants

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Moringa oleifera Lam. (Moringa), Jatropha curcas L. (Jatropha), and Ricinus communis L. (Ricinus) are oily species known by their capability to grow in tropical and subtropical lands. However, there are no studies comparing their growth and recovery capabilities after root pruning and transplant. The purpose of this research was to compare and analyze propagation, growth, and recovery performance of these species after root pruning and transplant. We sowed 100 seeds per species and monitored their survival and growth during a 63-day period; after this, we uprooted the plants and pruned their roots 4.0 cm from their base and transplanted them. We monitored their recovery over 83 days, and then uprooted plants and measured above- and belowground data, digitized their roots in three dimensions, and calculated biomass fractions. With this information, we established allometric equations to estimate biomass fractions and root distribution models. Results indicated that Ricinus had the highest propagation capabilities. Jatropha and Ricinus had similar recovery after root pruning and transplant. Moringa had the lowest propagation and recovery from transplant. Concerning belowground data, root pruning increased root density more than three times in Moringa, four times in Ricinus, and six times in Jatropha. Nevertheless, the three species maintained natural root trays. Ricinus had the longest and thinnest roots and the highest number of branches, followed by Jatropha, and finally Moringa, with the smallest quantity and the shortest and thickest roots. We concluded that the three species recovered well from root pruning and transplant, with improved root structure upon applying these practices.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Seedling Characteristics of Three Oily Species before and after Root Pruning and Transplant

Valdés-Rodríguez

Pérez-Vázquez

2019

Plants

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“…Vários fatores ambientais podem afetar a produção dessa biomassa, pois as plantas são constantemente influenciadas no metabolismo secundário do vegetal, interferindo no acúmulo de biomassa e na produção de princípios ativos das espécies medicinais (WU et al, 2016;TAKSHAK;AGRAWAL, 2019;THAKUR et al, 2019). Portanto, há necessidade de melhorar o rendimento das culturas, bem como o entendimento de práticas específicas que possam auxiliar no manejo (BENSON; MORGENROTH; KOESER, 2019;MASHAMAITE;DUBE;PHIRI, 2019).…”

Section: Introductionunclassified

“…A poda na raiz é uma forma de modular o crescimento das culturas, a alocação de matéria seca, o uso da água e o rendimento, sendo os efeitos diferentes nas espécies (MA et al, 2013;BENSON;MORGENROTH;KOESER, 2019;HU et al, 2019;KANG et al, 2019).…”

Section: Introductionunclassified

Incrementos Na Produção De Biomassa Total De Citronela Por Estresse Severo No Sistema Radicular

Daflon

Hüther

Santos

et al. 2019

Rev. Bras. Ciênc. Ambient. (Online)

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Para se obter a melhor qualidade terapêutica e produtividade das plantasmedicinais, o manejo adequado da cultura é fundamental, pois diversosfatores podem interferir. Assim, analisou-se o crescimento das plantas decitronela submetidas a diferentes níveis de cortes na parte aérea e nas raízes.Cinco diferentes proporções de desbaste na raiz (0, 25, 50, 75 e 100%), após145 dias do plantio das mudas e 4 cortes na parte aérea (folhas): sem corte; umcorte aos 145 dias após o plantio (DAP), juntamente com o corte da raiz; um corteaos 228 DAP; e cortes aos 145 e 228 DAP (dois cortes). Foram realizadas quatrocoletas para dados de acúmulo de matéria seca e partição de fotoassimilados.O tratamento com 100% de corte na raiz, mas sem corte nas folhas, aumentouo acúmulo de massa seca em relação aos demais tratamentos, para o últimoperíodo de análise, demonstrando uma recuperação.

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The effect of root shaving and biostimulant application on the transplant success of six common Australian urban tree species

Cinantya,

Manea,

Leishman

2024

Urban Ecosyst

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To enhance the establishment of container-grown trees, nursery and urban forest practitioners use root pruning to improve plant root structure. However, some methods of root pruning may cause stress to the plant and reduce shoot growth. One potential approach to mitigating tree stress is the application of biostimulants. This study aimed to determine the impact root shaving, a type of root pruning, has on the growth of urban plant species, and whether biostimulant application mitigates this impact. To address these aims, we applied root shaving (not shaved, shaved) and biostimulant (control, humic substance, protein hydrolysate, seaweed extract) treatments to six tree species that are commonly planted in the Sydney metropolitan area, Australia in a factorial design. The study consisted of a glasshouse and field experiment to simulate nursery production and urban field conditions, respectively. We found that the assimilation rate of the plants was not affected by root shaving but four of the species still experienced reductions in shoot growth in the short-term. This reduction was a result of the plants allocating resources to root growth to compensate for the root loss. However, in the long-term, the plants were able to compensate for this reduction in shoot growth. We found that biostimulant application did not mitigate the short-term impacts of root shaving on plant growth. We can conclude that root shaving and biostimulant application do not affect plant establishment in the long-term.

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The effects of root pruning on growth and physiology of two Acer species in New Zealand

Cited by 24 publications

References 67 publications

Seedling Characteristics of Three Oily Species before and after Root Pruning and Transplant

Seedling Characteristics of Three Oily Species before and after Root Pruning and Transplant

Incrementos Na Produção De Biomassa Total De Citronela Por Estresse Severo No Sistema Radicular

The effect of root shaving and biostimulant application on the transplant success of six common Australian urban tree species

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