Potato root system development and factors that determine its architecture

Joshi, M. C.; Fogelman, Edna; Belausov, Eduard; Ginzberg, Idit

doi:10.1016/j.jplph.2016.08.014

Cited by 61 publications

(47 citation statements)

References 61 publications

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“…Several studies have shown that potato cultivars differ in the size of the entire root mass and distribution of the roots of the individual layers of the soil (Opena and Porter 1999, Stalham and Allen 2001, Battiliani et al 2008, Joshi et al 2016. Roots are concentrated mostly in the plowed layer, up to 30 cm deep, and even under the mother tubers.…”

Section: Discussionmentioning

confidence: 99%

Differences in size and architecture of the potato cultivars root system and their tolerance to drought stress

Zarzyńska¹,

Boguszewska-Mańkowska²,

Nosalewicz³

2017

Plant Soil Environ.

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Drought can cause substantial yield losses, particularly for crops with shallow root systems, such as potato (Solanum tuberosum). This study tested whether root system architecture could affect potato yield under drought conditions. The following parameters of the roots were measured: depth range, total length, total area, surface area, average diameter, and total dry weight of the root system. These parameters in soil layers were also measured at different depths. Five potato cultivars from a group of mid-early cultivars were examined in this study. The same cultivars were tested under two conditions: control with optimal irrigation and drought stress treatment without irrigation for three weeks after the end of tuberization to check the tuber yield. Significant differences were observed among cultivars in the size of the root system and its architecture. The biggest differences in the individual layers of soil profile related to the diameter of the root, the root length, and the surface area. Also a relationship between the size of the root system and yield of tubers was found. The strongest correlations involved the root length and the root surface area with the decrease in tuber yield under the drought, then the dry root mass with the decrease in yield. These correlations were negative: the higher the value of the parameter, the smaller the observed decrease in yield. This showed a relationship between root length and mass with the decrease of yield; this relationship was stronger for roots in deeper layers than in the shallowest layers. Therefore, this study indicates that breeding potato cultivars with deep root systems might improve tuber yields under drought conditions.

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Section: Discussionmentioning

confidence: 99%

Differences in size and architecture of the potato cultivars root system and their tolerance to drought stress

Zarzyńska¹,

Boguszewska-Mańkowska²,

Nosalewicz³

2017

Plant Soil Environ.

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“…Root pruning of wheat has also been reported to increase LR number and auxin content ( Vysotskaya et al 2001 ). Joshi et al (2016) reported that root cutting or heat ablation of adventitious root cap enhanced CYCLIN B1 expression in potato lateral root primordium (LRP) and suggested that this occurred through the activation of auxin signaling.…”

Section: Introductionmentioning

confidence: 99%

YUCCA9-Mediated Auxin Biosynthesis and Polar Auxin Transport Synergistically Regulate Regeneration of Root Systems Following Root Cutting

Miao

Yumoto

et al. 2017

Plant and Cell Physiology

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Recovery of the root system following physical damage is an essential issue for plant survival. An injured root system is able to regenerate by increases in lateral root (LR) number and acceleration of root growth. The horticultural technique of root pruning (root cutting) is an application of this response and is a common garden technique for controlling plant growth. Although root pruning is widely used, the molecular mechanisms underlying the subsequent changes in the root system are poorly understood. In this study, root pruning was employed as a model system to study the molecular mechanisms of root system regeneration. Notably, LR defects in wild-type plants treated with inhibitors of polar auxin transport (PAT) or in the auxin signaling mutant auxin/indole-3-acetic acid19/massugu2 were recovered by root pruning. Induction of IAA19 following root pruning indicates an enhancement of auxin signaling by root pruning. Endogenous levels of IAA increased after root pruning, and YUCCA9 was identified as the primary gene responsible. PAT-related genes were induced after root pruning, and the YUCCA inhibitor yucasin suppressed root regeneration in PAT-related mutants. Therefore, we demonstrate the crucial role of YUCCA9, along with other redundant YUCCA family genes, in the enhancement of auxin biosynthesis following root pruning. This further enhances auxin transport and activates downstream auxin signaling genes, and thus increases LR number.

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“…Potato ( Solanum tuberosum L.) is the fourth largest crop in terms of production, and the most important non-grain food crop in the world [ 5 – 7 ]. The total potato production worldwide is approximately 400 million tons per year; the most important potato producers are China, India, Russia, and the United States [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, it is extremely important to research and understand this interaction to establish a three-dimensional(3D) model construction of the potato tuber root system. Moreover, understanding the development of the potato root system has the potential to increase yield, optimize agricultural land use [ 7 ], and promote the genetic improvement of crops [ 12 ]. It also provides a reference for the stem-root model construction of other block, root, and bulb crops.…”

Section: Introductionmentioning

confidence: 99%

Potato (Solanum tuberosum L.) tuber-root modeling method based on physical properties

Zhao

Tian

et al. 2020

PLoS ONE

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The development of tuber-root models based on the physical properties of the root system of a plant is a prominent but complicated task. In this paper, a method for the construction of a 3D model of a potato tuber-root system is proposed, based on determining the characterization parameters of the potato tuber-root model. Three early maturing potato varieties, widely planted in Northeast China, were selected as the research objects. Their topological and geometric structures were analyzed to determine the model parameters. By actually digging potatoes in the field, field data measurement and statistical analysis of the parameters were performed, and a model parameter database was established. Based on the measured data, the root trajectory points were obtained by simulating the growth of the root tips. Then MATLAB was used to develop a system that would complete the construction of the potato tuber-root 3D visualization model. Finally, the accuracy of the model was verified experimentally. Case studies for the three different types indicated an acceptable performance of the proposed model, with a relative root mean square error of 6.81% and 15.32%, for the minimum and maximum values, respectively. The research results can be used to explore the interaction between the soil-tuber-root aggregates and the digging components, and provide a reference for the construction of root models of other tuber crops.

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Potato root system development and factors that determine its architecture

Cited by 61 publications

References 61 publications

Differences in size and architecture of the potato cultivars root system and their tolerance to drought stress

Differences in size and architecture of the potato cultivars root system and their tolerance to drought stress

YUCCA9-Mediated Auxin Biosynthesis and Polar Auxin Transport Synergistically Regulate Regeneration of Root Systems Following Root Cutting

Potato (Solanum tuberosum L.) tuber-root modeling method based on physical properties

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