Saskatoon, Saskatchewan, Canada

7 - 11 July 2019

Monday July 8, 2019

Morning sessions

Keynote address (8:30 - 9:30; Salon B & C)

  Tiina Roose:  Multiscale image based modelling of rhizosphere processes

Poster pitches (9:30 - 10:00; Salon B & C)

Health break (10:00 - 10:30)

Parallel sessions (10:30 - 12:30)

1. The root microbiome (Gallery A)

    Chairs: Sue Grayston & Simeon Smaill

     10:30 - 11:00    Plant microbiome: Unravelling the biota black box          

                              V. Gupta

     11:00 - 11:15    Does the seed microbiome persist in the plant rhizosphere over time?     

                              C.L. Khodadad

     11:15 - 11:30    Development of the rhizosphere microbiome is dependent on root age

                              and the preceding detritusphere

                              M.D. Denton

     11:30 - 11:45    Plant functional group and their associated root traits as predictors of the

                              saprophytic fungal communities in experimental grasslands

                              D. Francioli

     11:45 - 12:00    Contrasting long-term fertilization regimes differentially impact

                               root-associated microbial communities during the development of

                               field-grown maize

                               A. Bourceret

     12:00 - 12:15    Soil-borne legacies of plant disease

                              G. Vismans

     12:15 - 12:30    Structural equation modelling of a winnowed soil microbiome identifies

                               how invasive plants re-structure microbial networks

                              S.D. Siciliano

2. Spatio-temporal organization in the rhizosphere (Gallery B)

    Chair: Doris Vetterlein

     10:30 - 11:00    X-ray CT based platform for integration of physical, chemical and

                              biological information on spatiotemporal patterns at single root and root

                              system scale

                              D. Vetterlein

     11:00 - 11:15    Roots change the pore structure only if they have to – development of

                              biopores and compaction around roots

                              M. Lucas

     11:15 - 11:30    Rhizosphere modelling reveals the spatiotemporal distribution of

                              daidzein, which alters bacterial communities in the rhizosphere

                              A. Sugiyama

     11:30 - 11:45    Hydraulic bridges at the root-soil interface: insights from high-resolution

                              synchrotron X-ray CT

                              M.A. Ahmed

     11:45 - 12:00    Contrasting impacts of rhizodeposits on the physical formation and

                              functioning of the rhizosphere

                              P.D. Hallett

     12:00 - 12:15    Simulating and characterizing spatio-temporal patterns of

                              rhizodeposits-the development of the rhizosphere in 3D

                              C. Sheng

     12:15 - 12:30    Response of soil microbial community to photosynthetic product secretion

                              activity of plant roots indicated by rhizosphere live imaging method

                              Y. Unno

3. Root exudates (Gallery C)

    Chairs: Melissa Arcand & Eduardo Mitter

     10:30 - 11:00    Sampling root exudates – mission impossible?

                              E. Oburger

     11:00 - 11:15    Digging into soil chemistry – metabolomics analysis of root exudates

                              and rhizosphere metabolites

                              A. Weinhold

     11:15 - 11:30    Quantifying citrate-enhanced phosphate uptake by roots

                              D. McKay Fletcher

     11:30 - 11:45    Organic acids and phosphatase enzymes determine phosphorus

                              availability in the rhizosphere of different plant species

                              D. Touhami

     11:45 - 12:00    How rice root exudates shape the nitrification process

                              W.M. Shi

     12:00 - 12:15    Who’s your neighbor? Plants neighbors induce species-specific changes

                              in a focal plants’ root exudation and rhizosphere community composition

                              T.C. Ulbrich

     12:15 - 12:30    Comparative analysis of root exudates and bacterial diversity in

                              aeroponics and soil

                              A. Zancarini

Lunch, Poster & exhibit viewing, and Campus tours (12:30 - 2:00)

Download a list of posters here:

Afternoon sessions

Keynote address (14:00 - 15:00; Salon B & C)

  Corné Pieterse:  The soil-borne supremacy: root microbiome and plant immunity

Parallel sessions (15:15 - 16:45)

4. The root microbiome (Gallery A)

    Chairs: Davide Francioli & Sue Grayston

     15:15 - 15:45    How biotic interactions shape the movement of fresh and decaying root

                              carbon into soil

                              J. Pett-Ridge

     15:45 - 16:00    Close-up on informational war between Gram opposite rhizobacteria

                              A. Chane

     16:00 - 16:15    Shotgun metagenomics sequencing of the rhizosphere microbiota

                              associated to seven ecotypes of Medicago truncatula

                              B. Pivato

     16:15 - 16:30    Intended and unintended consequences of planted forest management for

                              microbial rhizobiome properties

                              S.J. Small

     16:30 - 16:45    A synthetic community approach to understanding the Poplar microbiome

                              D. Carper

5. Spatio-temporal organization in the rhizosphere (Gallery B)

    Chairs: Doris Vetterlein

     15:15 - 15:45    Insights into the spatial organization of rice-associated diazotrophs and

                              their nitrogen fixation activity

                              H. Schmidt

     15:45 - 16:00    Spatial evaluation of carbon flow and microbial function through the

                              root-rhizosphere-soil continuum

                              J. Moran

     16:00 - 16:15    Benchmarking models of root architecture and function

                              A. Schnepf

     16:15 - 16:30    Influence of root mucilage gel properties on pore-scale processes in the


                              M. Brax

     16:30 - 16:45    Root position and trait shifts depending on a neighbor’s

                              nutrient-acquisition strategy in kwongan nutrient-impoverished soils

                              P. de Britto Costa

6. Rhizosphere of extreme environments (Gallery C)

    Chair: Steve Siciliano, Marcus Griffiths & Milko Jorquera

     15:15 - 15:45    Rhizobacterial communities associated with flowering desert phenomenon

                              (Atacama Desert, Chile) and their potential as plant growth-promoting


                              M. Jorquera

     15:45 - 16:00    Flavonoids are involved in phosphorus deficiency-induced cluster-root

                              formation in white lupin

                              C.Y. Xiong

     16:00 - 16:15    Root system architecture and salt dynamics at the root zone

                              U. Nachshon

     16:15 - 16:30    Rhizosphere microbiome of halophytes as a source of osmoregulatory


                              S. Mukhtar

     16:30 - 16:45    Bacterial communities associated with the native Antarctic grass

                              Deschampsia antarctica

                              A. Znoj

Poster session, exhibits, and drinks (16:45 - 18:00)

Graduate Student Social (19:00 - 23:00)

An opportunity for graduate students to meet, socialize and talk about Science (or not).  Meet at the Cathedral Social Hall (located at 608 Spadina Crescent E) at 7:00 pm for drinks, appetizers and conversation.

Author present on Tuesday

Author present on Monday

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Black Fox Distillery Tour (18:00 - 21:00)

(prior registration required)

Tour Includes:

·   Round trip transportation from TCU Place

·   Distillery tour and tasting (includes charcuterie and sampling of Black Fox spirits

·   Farm tour (tour of flower, orchard, and pumpkin fields)

·   A catered light supper

To download a copy of today's program, click here:

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