@LJLamarque

Research scientist, Natural Ressources Canada

 Québec
Joined March 2017
  • Tweets176
  • Following167
  • Followers233
9Media
Laurent Lamarque retweeted
Peter Petrík@PeterPetrk88 Sep 2023
Our PhD internship experiment at @univbordeaux /@INRAE_Intl has been finally published in @JXBot 😍🥳 We analysed drought response of four coniferous tree species🌲 and introduced new integrative Stomatal Margin Retention Index🌿doi.org/10.1093/jxb/erad352 #ecophys #drought
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Laurent Lamarque retweeted
Scientific Reports
@SciReports18 May 2023
.@LJLamarque @SDelzon and colleagues assessed the resistance of different grapevine 🍇 varieties and wine regions in a future dry climate. If you enjoy a glass 🍷 of Pinot noir or Merlot don't panic, they're amongst the most resistant nature.com/articles/s41598-0…

Quantifying the grapevine xylem embolism resistance spectrum to identify varieties and regions at...

Scientific Reports - Quantifying the grapevine xylem embolism resistance spectrum to identify varieties and regions at risk in a future dry climate

nature.com
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🍇 NEW ARTICLE on IVES #TechnicalReviews "One or the other: under #drought, #grapevines do not express #esca leaf symptoms" 👉 Read on: bit.ly/4403LL0 👏 By @GiovanniBortol3 @gregorygambetta and @cel_delmas 🔓 Available in 6 languages 🇺🇸🇫🇷🇩🇪🇪🇸🇮🇹🇵🇹
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Des scientifiques @univbordeaux & @INRAE_France ont étudié la résistance à la sécheresse de l’appareil vasculaire de la vigne. Ils ont mis en évidence une grande variabilité de vulnérabilité entre cépages et identifié les régions viticoles les + à risque : u-bordeaux.fr/actualites/une…
Suivi en continu de l'état hydrique de la vigne (psychrometres, flux de sève et dendromètres) © Laurent Lamarque

ALT Suivi en continu de l'état hydrique de la vigne (psychrometres, flux de sève et dendromètres) © Laurent Lamarque

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Thrilled to see this study out! The wide variation in drought resistance of the vascular system in grapevines outlines the heterogeneous risk of drought vulnerability of wine growing regions worldwide rdcu.be/dcah1 @SDelzon @cel_delmas @gregorygambetta @BurlettRegis
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Laurent Lamarque retweeted
Annals of Botany@annbot21 Mar 2023
❄🌿 Join us to learn about the newly published paper ‘Is a seasonally reduced growth potential a convergent strategy to survive drought and frost in plants?’ by Florence Volaire and co-authors in @annbot doi.org/10.1093/aob/mcac153 #AoBpapers (1/11)
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Thrilled to see this paper out @EcosystemsJ where we show that accounting for functional traits related to C supply and N demand help understanding effects of #Arcticshrubs on tundra #carbonstocks @cen_nord @UQTR #BylotIsland link.springer.com/article/10…
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Laurent Lamarque retweeted
Chloé Delmas@cel_delmas14 Mar 2023
Our photo of esca symptoms on Sauvignon blanc leaves taken @INRAE_NA_BDX made the cover of Tree Physiology! We published a paper on xylem occlusions and hydraulic failure in vine leaves led by @GiovanniBortol3 @gregorygambetta @SDelzon @LJLamarque @GianfRomanazzi @biovitis...
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Today is #WorldWetlandsDay | Wetlands account for up to 80% of the total surface area in some Arctic regions, but many are becoming drier as a function of climate-induced permafrost degradation. Read more from @LJLamarque and @cen_nord @UQTR colleagues: buff.ly/3HUW93F
Decorative image

ALT Decorative image

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Our review on the strategies involved in dehydration stress survival in plant is out @annalsofbotany. Led by #FlorenceVolaire from @cefemontpellier academic.oup.com/aob/advance…

Is a seasonally reduced growth potential a convergent strategy to survive drought and frost in...

AbstractBackground. Plants have adapted to survive seasonal life-threatening frost and drought. However, the timing and frequency of such events are impact

academic.oup.com
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Just published: To -8 MPa and back: in-situ annual water relation in non-irrigated olive trees jplanthydro.org/article/view…
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Up now at #XIM5: @_deborahcorso is telling us about the impact of selection and domestication on drought resistance in wheat 🌾
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Laurent Lamarque retweeted
Plant Physiology@PlantPhys11 Aug 2022
Model-assisted ideotyping reveals trait syndromes to adapt viticulture to a drier climate (Silvina Dayer, Laurent J Lamarque, Régis Burlett, Giovanni Bortolami, Sylvain Delzon, José C Herrera, Hervé Cochard, Gregory A Gambetta) #PlantSci @ljlamarque buff.ly/3zLnxLV
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Laurent Lamarque retweeted
Chloé Delmas@cel_delmas25 Jul 2022
This is the end 🍂! #drought x #esca experimentation on old grapevine plants for @PlanDepVignoble and @GPR_BPS ! Monitoring canopy stomatal conductance, stem growth, plant water status, leaf gas exchange, fungal activities using RNAseq… @inrae_save @UMREGFV @INRAE_BIOGECO
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Laurent Lamarque retweeted
Isla Myers-Smith@IslaHMS29 May 2022
A few months ago, I gave an interview for the latest issue of @TIME ‘The Cold Truth: Lessons from the Melting Poles’ by @arynebaker with photos by @_AcaciaJohnson. Read about how climate change is impacting Alaska Native traditions and Arctic geopolitics. time.com/magazine/us/6176477…
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La forêt expérimentale à l'honneur sur @francetv @INRAE_BIOGECO @INRAE_France @univbordeaux francetvinfo.fr/meteo/climat…

Environnement : en Gironde, des chercheurs imaginent la forêt du futur

Près de Bordeaux, des chercheurs de l’INRAE université identifient les arbres qui seront le plus résistant à des vagues de chaleur et au manque d’eau. 

franceinfo.fr
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The #Cavi1000 flow centrifugation technique has now its own publication @BurlettRegis @SDelzon @HCochard annforsci.biomedcentral.com/…

Measuring xylem hydraulic vulnerability for long-vessel species: an improved methodology with the...

Annals of Forest Science - Understanding plant resilience and adaptation to drought is a major challenge in crop and forest sciences. Several methods have been developed to assess the vulnerability...

link.springer.com
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Are coarse roots more vulnerable to xylem embolism than branches? Check out the latest work from @schuldt_lab @SDelzon @torresruizjm @BurlettRegis here: besjournals.onlinelibrary.wi…

High variation in hydraulic efficiency but not xylem safety between roots and branches in four...

A free Plain Language Summary can be found within the Supporting Information of this article.

besjournals.onlinelibrary.wiley.com
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Cross-validation of the high-capacity tensiometer & thermocouple psychrometer for continuous monitoring of #xylem water potential in saplings bit.ly/3lCw7He by Roberta Dainese @LJLamarque @SDelzon Alessandro Tarantino et al. #openaccess
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La cavitation, un problème pour les plantes mais aussi pour la course au large @GitanaTeam youtube.com/watch?v=QFnWEnbd…
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