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Rhizobox Systems for Root and Rhizosphere Studies

The first investigator known to have developed a root box was probably Julius von Sachs in the 19th century (Sachs, 1865). Since then, many soil-based, ex situ growth systems, today referred to as rhizoboxes or root boxes have been developed for research, breeding and education. Different rhizobox designs and sizes are available to study roots, rhizosphere and bulk soil processes under controlled conditions. VSI rhizoboxes are durable and fully customizable - see specifications & rhizobox configurator below.

VSI Rhizobox Systems - Specifications

Rhizobox for studies on root growth and soil properties
Click for example images

VSI is a world leader in commercial rhizobox systems - used globally by a wide range of universities, research organisations and companies. The VSI rhizoboxes

  • are available in three standard configurations (A5 - A3 letter size, 3 cm depth),
  • can be fully customised to meet your research / educational goals,
  • hold independently detachable front and back panels, and flat surfaces (recessed screws) for easy imaging and manipulation,
  • are cost effective (in production and shipping), easily self-assembled / disassembled (for in-depth cleaning and storage; see FAQ for brief Rhizobox assembly instructions), and very durable (by using spacers rather than tapped threat holes), and 
  • a growing number of accessories (racks, light shields, manipulation stands) are available to fit the selected rhizobox dimensions.

Classic rhizoboxes, with "tapped threat holes" in the side walls, remain available. Please fill out a configuration form for each design & quoting. Contact us to discuss unique rhizobox designs (explore examples). Standardized rhizobox sizes (letter sizes A3 to A5, and small volume orders) are available at the online shop for consumer customers within the EU.

Download
VSI Rhizobox / Rhizonbox configuration form - 2023v3
Please fill out and send to quote@ or office@vienna-scientific.com for a quote.
VSI Rhizobox Config Form 2023v3.pdf
Adobe Acrobat Document 827.0 KB
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Custom Rhizoboxes - Contact us for pricing

Custom Rhizobox designs (as well as other options / accessories) can be configured using the Rhizobox Configuration Form (pdf).


Standard Rhizoboxes  - Web Store

Standard Rhizoboxes / Splitboxes & Accessories (Racks, Light Shielding Panels) are available for trials, educational purposes etc. in the online store.


Test your Designs: Rhizobox Configurator

Are you wondering how much soil and rooting space there will be in your rhizobox? How this depends on the size of the planting compartment and drainage layer thickness, or a splitbox design? Is the rooting volume sufficient for the expected plant size? Using the VSI rhizobox calculator (2023), you can easily determine the effects of specific rhizobox designs.

If the Rhizobox Configurator has not loaded (above), click here!

Standard Rhizoboxes - Design Examples

Rhizobox, new design, small, view from front/side
Rhizobox, new design, small, view from top front
Rhizobox, new design, small, view into box incl. perforated bottom
Rhizobox, new design, small, side view
Rhizobox, new design, small, detail corner with metal spacer
Small Rhizobox, spacers not yet mounted (with protective foil)
Rhizobox, perforated bottom for drainage  (with protective foil)
Bulky Rhizobox, top view, for tuber crops  (with protective foil)
Bulky Rhizobox, side view, for tuber crops  (with protective foil)
Bulky Rhizobox, inside view, for tuber crops (with protective foil)
A4 Rhizobox, front-side view (with protective foil)
A4 Rhizobox, back view (with protective foil)

Rhizoboxes with Compartments ("Splitboxes")

VSI Rhizobox for two plants, Splitbox
VSI Rhizobox for two plants, Splitbox, two compartments
VSI Splitbox with cover (protective foil still attached), two compartments
VSI Splitbox without cover (protective foil still attached), two compartments
VSI Splitbox, angled (protective foil still attached)
VSI Splitbox (several compartments), angled, corner

Rhizoboxes with Light Shielding Panel

Rhizoboxes with light shielding panels
Small rhizotrons with cost-effective light shielding front plate, top view
Root boxes with cost-effective light shielding front plate, in standard rack
Rhizobox with cost-effective light shielding front plate, front view
Rhizobox with cost-effective light shielding front plate, top-side view
Rhizobox, light cover removed

Classical "Old" Rhizobox - Design Examples

Three types of rhizoboxes "old design" with screws in the side walls, root boxes in size A4/letter
Example rhizobox classic, detail with rack
VSI - rhizobox "classic", 2 sizes with racks
VSI -larger classic rhizoboxes in rack
VSI - larger rhizoboxes in rack, side view
VSI Rhizobox "classic"

Double Split Design

VSI Double Split Rhizobox (classic)
VSI Double Split Rhizobox (classic), top view with middle separator
VSI Double Split Rhizobox (classic)
VSI Double Split Rhizobox, back view

The Rhizobox designs shown above (as well as other options) can be configured using the Rhizobox Configuration Form. Please have a look at Rhizonboxes (with perforated back panels) or Rhizotrons ("ultra-large Rhizoboxes") for special design. 

Custom-Made Rhizobox Designs - Made to Fit Your Research

The VSI Rhizobox System can be fully modified to meet your goals - see the configuration form (below) and the image galerie for ideas. For example, splitting the root compartment ("Splitboxes") is a cost-effective way to double the number of replicates or treatments. As common designs have the screw holes for (independently detachable) front and back plates directly cut in the side walls ("tapped threat holes"), these holes wear out due to use/missuse (in particular dirt, overtightening). The standard VSI Rhizobox design avoids this error source by fitting screws to robust, corrosion resistant metal spacers located adjacent to the inner chamber - facilitating the filling procedure and prolonging the usability. "Old, classic designs" with tapped threat holes are still available for special applications, such as fitting respiration chambers on top of rhizoboxes. In any case, the flat surfaces of your rhizoboxes (countersunk screws) allow for space optimised placement and facilitate imaging by flatbed scanners. Angled rhizobox racks (40°, or custom angle), holding five rhizoboxes each (or custom numbers), are available at two configurations. Cost-effective shading panels protect the root systems from light. See the RhizoNbox webpage if soil pore water sampling / manipulation is part of your research. Finally, the VSI rhizobox design allows unassembled boxes to be shipped in a much smaller volume, massively reducing shipping costs (and the risk of damage by the postal services). 

Design Considerations for Rhizoboxes

Please consider for your rhizobox design ...

  • Inner/outer dimensions (w x h x d) according to species (size, growth rate) and experimental period. See also the rhizobox calculator above to determine suitable rootbox dimensions (i.e. rootable space).
  • Detachability of front and back plates. Lowered hex screws for easier scanning? Wing nuts for easy opening during regular sampling?
  • Split rhizobox design to independently monitor two (or more) plant individuals per rhizobox? 
  • Back plate perforation for soil pore water sampling with MicroRhizons ("Rhizonbox") and holes for insertion of Rhizon samplers from the side?
  • Bottom perforation, allowing for drainage? Did you consider a drainage layer at the bottom? 
  • Rack system to place rhizoboxes? Angled (how much? 40° is our standard)?
  • How do you prevent light reaching the root system? Cover plates? Box systems? Foil or film?

The configuration form and the pictures above provide a good overview on potential rhizobox design, we are, however, allways open to realize your special requirements. For example, ultra large rhizoboxes for educative displays (see above) mandate other construction principles due to the weight of soils and large plants. Contact us via WhatsApp or email!

Consider the Expected Plant Biomass When Planning your Rhizobox Study

Pot size matters: a meta-analysis of the effects of rooting volume on plant growth
Plant biomass as related to pot size. (c) Porter et al. (2012), Funct. Plant Biol.

The majority of controlled experiments in plant sciences use plants grown in some container or pot - or rhizobox. Porter et al. (2012) conducted a meta-analysis on the effect of pot size on growth and underlying variables. On average, a doubling of the pot size increased biomass production by 43%. The appropriate rhizotron / rhizobox size will thus depend on the size of the plants growing in them. The meta-analysis of Porter and colleagues (2012) suggested that an appropriate pot size is one in which the plant biomass does not exceed 1 g per Liter - while current research often exceeds that threshold. Researchers thus need to carefully consider the rhizobox size applied in their experiments, as (too) small root boxes may change experimental results and defy the purpose of the study. See Porter et al. (2012) for details. However, Mašková & Klimeš (2020) found that proportional investment of plants into root biomass was similar in usual pots and in rhizoboxes. The pattern was stable across nutrition treatments and across species. Thus, if the rhizobox size is selected according to the estimated biomass at time of harvest, the geometric shape / form of the root box may have a limited effect on the experimental results. However, shallow- and deep-rooting species may still respond differently to the actual geometry of pots / rhizoboxes given the same volume (von Felten & Schmid 2008). In addition, lateral root system expansion can be limited by too narrow rhizoboxes, and too shallow rhizoboxes may hamper root systems depth development - roots "curling" at the bottom (i.e. drainage layer) of the rhizobox - hampering both growth analysis and interpretation of results incl. biomass depth stratification. Furthermore, the hight of the soil column is also an important factor in determining the water content and its distribution within pots and therefore both the water potential and oxygen availability (Passioura 2006). Thus, selecting appropriate rhizobox dimensions is key for obtaining most relevant results - we are happy to discuss species, temperature and experimental period etc. before your order.

TEMPERATURE EFFECTS ON ROOTS

Please see the brief article on temperature effects on root growth and development on the webpage addressing the novel cooling racks. In brief, many study keep roots (in pots or rhizoboxes) at the same temperature as shoots, with potential consequences for biomass allocation, and root and microbiome functioning. Continue reading on temperature effects. 

INCLINATION AND FILLING EFFECTS ON ROOT VISIBILITY IN RHIZOBOXES

Please see the brief article on rhizobox inclination angle on root visibility on the webpage adressing the rootbox racks. In brief, the soil filling procedure and angled positioning of rhizoboxes during root system development influences the degree of roots visible at transparent front plates. Continue reading on root box angles. 

Selected Readings on Rhizoboxes / Root Boxes for Root Phenotyping, Plant and Soil Studies

  • Biehl, J., et al. (2023). Contrasting Effects of Two Hydrogels on Biomass Allocation, Needle Loss, and Root Growth of Picea Abies Seedlings Under Drought. Forest Ecology and Managment, in press.
  • Beyer, F., D. Hertel, K. Jung, A.-C. Fender, and C. Leuschner. 2013. Competition effects on fine root survival of Fagus sylvatica and Fraxinus excelsior. Forest Ecology and Management 302:14-22.
  • Bontpart, T., C. Concha, V. Giuffrida, I. Robertson, K. Admkie, T. Degefu, N. Girma, K. Tesfaye, T. Haileselassie, A. Fikre, M. Fetene, S. A. Tsaftaris, and P. Doerner. 2019. Affordable and robust phenotyping framework to analyse root system architecture of soil-grown plants. bioRxiv:573139.
  • Cabrera, J., Conesa, C. M., & Del Pozo, J. C. (2022). May the dark be with roots: a perspective on how root illumination may bias in vitro research on plant–environment interactions. New Phytologist, 233(5), 1988-1997
  • Gonkhamdee, S., A. Pierret, J. L. Maeght, V. Serra, K. Pannengpetch, C. Doussan, and L. Pagés. 2010. Effects of corn (Zea mays L.) on the local and overall root development of young rubber tree (Hevea brasiliensis Muel. Arg). Plant and Soil 334:335-351.
  • Hylander, L. D. 2002. Improvements of rhizoboxes used for studies of soil–root interactions. Communications in Soil Science and Plant Analysis 33:155-161.
  • Lohse, M., et al. (2021). Direct imaging of plant metabolites in the rhizosphere using laser desorption ionization ultra-high resolution mass spectrometry. Frontiers in Plant Science: 2733.
  • Mašková, T., & Klimeš, A. 2020. The effect of rhizoboxes on plant growth and root: shoot biomass partitioning. Frontiers in Plant Science, 10, 1693.
  • Passioura, J. B. (2006). The perils of pot experiments. Functional Plant Biology, 33(12), 1075-1079.
  • Poorter, H., Bühler, J., van Dusschoten, D., Climent, J., & Postma, J. A. (2012). Pot size matters: a meta-analysis of the effects of rooting volume on plant growth. Functional Plant Biology, 39(11), 839-850.
  • Rambla, C., Kang, Y., Ober, E. S., Hickey, L. T., Alahmad, S., Voss-Fels, K. P., ... & Van Der Meer, S. 2023. Easy-to-build rhizobox method to support wheat root research and breeding for future production systems.
  • Sachs, J. (1865) Handbuch der Experimental-Physiologie der Pflanzen. Leipzig: Wilhelm Engelmann, pp. 1–536, vol 4.
  • Schmidt, J. E., Lowry, C., Gaudin, A. C. 2018. An optimized rhizobox protocol to visualize root growth and responsiveness to localized nutrients. J. Vis. Exp. (140), e58674.
  • Shi, R., Junker, A., Seiler, C., & Altmann, T. (2018). Phenotyping roots in darkness: disturbance-free root imaging with near infrared illumination. Functional Plant Biology, 45(4), 400-411.
  • Spohn, M., A. Carminati, and Y. Kuzyakov. 2013. Soil zymography–a novel in situ method for mapping distribution of enzyme activity in soil. Soil Biology and Biochemistry 58:275-280.
  • von Felten, S., and B. Schmid. (2008). Complementarity among species in horizontal versus vertical rooting space." Journal of Plant Ecology 1, no. 1 (2008): 33-41.
  • Yao, Q., H. H. Zhu, J. Z. Chen, and P. Christie. 2005. Influence of an arbuscular mycorrhizal fungus on competition for phosphorus between sweet orange and a leguminous herb. Journal of Plant Nutrition 28:2179-2192.
  • Yee, M. O., Kim, P., Li, Y., Singh, A. K., Northen, T. R., & Chakraborty, R. 2021. Specialized plant growth chamber designs to study complex rhizosphere interactions. Frontiers in Microbiology, 507.
  • Zheng, Z., Wang, Z., Wang, X., & Liu, D. (2019). Blue light-triggered chemical reactions underlie phosphate deficiency-induced inhibition of root elongation of Arabidopsis seedlings grown in Petri dishes. Molecular Plant, 12(11), 1515-1523.

See the pages on (hydroponic) rhizoboxes, racks and cooling racks for further references regarding root boxes and theier operation.


Back to Overview - Rhizobox Systems
  • Soil Sampling
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