Gregory Gambetta
@gregorygambetta.bsky.social
Prof. of Viticulture, at Bordeaux Sciences Agro and @isvv-bordeaux.bsky.social, focused on adaptation of viticulture to climate change, drought tolerance, and sustainability.
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Jane Anson The Wine Podcast: E6- Climate Resilience and Wine Grapes with Greg Gambetta
Host Suzanne Mustacich speaks with viticulture expert Greg Gambetta to discuss the challenges and innovations in the wine industry, particularly in the context of climate change. They explore the…
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Thank you to Suzanne Mustacich and @janeanson.bsky.social for the opportunity to have this conversation about adaptation to climate change. 🍇🌡️ #Wine #Viticulture #ClimateChange #Adaptation
👇If you think about drought and water resource issues you need to be aware of this dire situation in Tehran. I almost cannot believe that the 1mm precipitation figure in the past year is real? 😢#climatechange #drought
Climate crisis or a warning from God? Iranians desperate for answers as water dries up
As rainy season fails to bring relief, authorities try cloud seeding – while others across the country pray for a miracle
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November 19, 2025 at 4:00 PM
👇If you think about drought and water resource issues you need to be aware of this dire situation in Tehran. I almost cannot believe that the 1mm precipitation figure in the past year is real? 😢#climatechange #drought
👇Been having some fun classes with students over the past few weeks and this topic keeps coming up. And in light of the Chateau Lafleur AOC exit I want to reiterate that irrigating winegrapes does not dilute the fruit. I found this article below which is nice! #viticulture #wine
buff.ly/rmrLD54
buff.ly/rmrLD54
Wines & Vines - Grapes and Irrigation Myths Debunked
winebusinessanalytics.com
October 9, 2025 at 3:33 PM
👇Been having some fun classes with students over the past few weeks and this topic keeps coming up. And in light of the Chateau Lafleur AOC exit I want to reiterate that irrigating winegrapes does not dilute the fruit. I found this article below which is nice! #viticulture #wine
buff.ly/rmrLD54
buff.ly/rmrLD54
👇Regarding varietal innovation and hybrids. Consider reducing humankind's experience with winegrape growing to 24 hours, and then compare with the time using hybrids or growing in tropical regions. The laters have way more potential than we realize. Learning takes time. #viticulture #wine
September 26, 2025 at 2:31 PM
👇Regarding varietal innovation and hybrids. Consider reducing humankind's experience with winegrape growing to 24 hours, and then compare with the time using hybrids or growing in tropical regions. The laters have way more potential than we realize. Learning takes time. #viticulture #wine
👇From time to time I want to share some geeky 🤓 science articles that shed light on how grapevines really behave in the field. This one breaks down one of the fundamental reasons why two cordons of the same vine can differ even more than two separate vines. #viticulture #wine
Functional hydraulic sectoring in grapevines as evidenced by sap flow, dye infusion, leaf removal and micro-computed tomography
Grapevine xylem exhibited hydraulic sectoring, where transport was limited to discrete packets of the water-conducting vascular tissue. Detailed anatomical
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September 23, 2025 at 2:30 PM
👇From time to time I want to share some geeky 🤓 science articles that shed light on how grapevines really behave in the field. This one breaks down one of the fundamental reasons why two cordons of the same vine can differ even more than two separate vines. #viticulture #wine
👇I shared Yishai Netzer's commentary about irrigation in Bordeaux; here is a response. Also very thoughtful. The two are complementary; this not really being a "rebuttal". Also I know Yishai, being from Israel, is 110% conscious of water resource issues.
#irrigation #viticulture
#irrigation #viticulture
Water, water, not quite everywhere
Need a map, vintage report or just the basics of getting the most out of your wine glass? It’s all here, and much more.
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September 12, 2025 at 3:04 PM
👇I shared Yishai Netzer's commentary about irrigation in Bordeaux; here is a response. Also very thoughtful. The two are complementary; this not really being a "rebuttal". Also I know Yishai, being from Israel, is 110% conscious of water resource issues.
#irrigation #viticulture
#irrigation #viticulture
👇😂This is classic...❤️😂
Orcas are ramming boats again and scientists now think it’s a game
Experts say the whales seem to learn to play with boats from a young age. "Believe me: if they wanted to sink the boats, they'd be sinking the boat."
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September 11, 2025 at 9:29 AM
👇😂This is classic...❤️😂
👇A good example of expanding irrigation in EU viticulture. Here a drastic increase in Spain (y-axis is wine volume). We are working on a commentary piece with Vicente Pinilla and others and this trend has continued; production from irrigated vineyards has now surpassed rain-feed.
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September 7, 2025 at 4:03 PM
👇A good example of expanding irrigation in EU viticulture. Here a drastic increase in Spain (y-axis is wine volume). We are working on a commentary piece with Vicente Pinilla and others and this trend has continued; production from irrigated vineyards has now surpassed rain-feed.
👇This grounded, thoughtful commentary by Yishai Netzer et al (a great researcher for whom I have a lot of respect) is actually a re-post from 2022. Here we are again. And gotta love the provocative headline; was that purposefully created to piss people off?😂 #wine #terroir
Bordeaux, Burgundy – it's time to irrigate!
Need a map, vintage report or just the basics of getting the most out of your wine glass? It’s all here, and much more.
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September 5, 2025 at 2:16 PM
This is a sobering and extremely well done documentary on extreme climate events.😬😟
buff.ly/Lfp9Sg5 #ClimateChange #ExtremeWeather
buff.ly/Lfp9Sg5 #ClimateChange #ExtremeWeather
Climate Extremes: Extreme Weather (Full Documentary)
Share Climate Extremes with your friends and followers!
Learn about extreme weather, climate adaptation, and planetary behavior from leading global scientists!
Click the "share" button above…
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September 3, 2025 at 3:02 PM
This is a sobering and extremely well done documentary on extreme climate events.😬😟
buff.ly/Lfp9Sg5 #ClimateChange #ExtremeWeather
buff.ly/Lfp9Sg5 #ClimateChange #ExtremeWeather
Reposted by Gregory Gambetta
Classified St-Emilion estate began earliest ever harvest. Château Troplong Mondot announced the start of picking, Thursday 28 August, marking the earliest harvest date in its history.
www.decanter.com/wine-news/cl...
www.decanter.com/wine-news/cl...
Classified St-Emilion estate begins earliest ever harvest today - Decanter
Bordeaux's 2025 red harvest has begun in earnest, with Château Troplong Mondot leading the charge on what might be one of the earliest vintages on record
www.decanter.com
September 2, 2025 at 5:24 PM
Classified St-Emilion estate began earliest ever harvest. Château Troplong Mondot announced the start of picking, Thursday 28 August, marking the earliest harvest date in its history.
www.decanter.com/wine-news/cl...
www.decanter.com/wine-news/cl...
In this grower participative study on Pinot Noir, the “high yield = low quality” paradigm proved grossly oversimplified: yield reductions didn’t consistently improve ripeness or quality.🍇🍇#viticulture #wine
buff.ly/HzoTSs4
buff.ly/HzoTSs4
August 29, 2025 at 4:06 PM
In this grower participative study on Pinot Noir, the “high yield = low quality” paradigm proved grossly oversimplified: yield reductions didn’t consistently improve ripeness or quality.🍇🍇#viticulture #wine
buff.ly/HzoTSs4
buff.ly/HzoTSs4
👇100% Agree. The AOC regulations are antiquated. Although established with good intent; the climate in Bordeaux is completely different today. Most producers lack the acclaim to leave the AOC making exits like this important in that they could influence positive change for the remaining producers.
Celebrated producer Lafleur leaves the Pomerol and Bordeaux appellations. What are we to make of this news? wineanorak.com/2025/08/27/w...
August 27, 2025 at 2:43 PM
👇100% Agree. The AOC regulations are antiquated. Although established with good intent; the climate in Bordeaux is completely different today. Most producers lack the acclaim to leave the AOC making exits like this important in that they could influence positive change for the remaining producers.
👇Some of this data was already shared by @wineecon.bsky.social , but the fine grain data in the article is worth checking out. It is interesting in that although yes there are differences the negative trend is universal. #wine
U.S. Drinking Rate at New Low as Alcohol Concerns Surge
A record-low 54% of Americans say they drink alcohol, as a majority now believe moderate drinking is unhealthy.
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August 26, 2025 at 4:46 PM
👇Some of this data was already shared by @wineecon.bsky.social , but the fine grain data in the article is worth checking out. It is interesting in that although yes there are differences the negative trend is universal. #wine
Happy to have contributed to a couple of the articles in this special JXB issue on grapevines, "Grapevine Research: Expanding Knowledge to Secure a Sustainable Future".
Volume 76 Issue 11 | Journal of Experimental Botany | Oxford Academic
The official journal of the Society of Experimental Botany. Publishes papers that describe novel and rigorous research addressing broad principles in plant science.
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August 23, 2025 at 4:44 PM
Happy to have contributed to a couple of the articles in this special JXB issue on grapevines, "Grapevine Research: Expanding Knowledge to Secure a Sustainable Future".
👇Thought I would share the long term data. Here the # of days >34° C, right on the heals of 2022. Will there will be one last heatwave? Regardless a scorcher this season. Also just a totally different climate since 2000 that cannot be addressed via historical thinking. #GlobalWarming #BordeauxWine
August 22, 2025 at 5:41 PM
👇Thought I would share the long term data. Here the # of days >34° C, right on the heals of 2022. Will there will be one last heatwave? Regardless a scorcher this season. Also just a totally different climate since 2000 that cannot be addressed via historical thinking. #GlobalWarming #BordeauxWine
Thank you to Suzanne Mustacich and @janeanson.bsky.social for the opportunity to have this conversation about adaptation to climate change. 🍇🌡️ #Wine #Viticulture #ClimateChange #Adaptation
Jane Anson The Wine Podcast: E6- Climate Resilience and Wine Grapes with Greg Gambetta
Host Suzanne Mustacich speaks with viticulture expert Greg Gambetta to discuss the challenges and innovations in the wine industry, particularly in the context of climate change. They explore the…
buff.ly
August 22, 2025 at 4:32 PM
Thank you to Suzanne Mustacich and @janeanson.bsky.social for the opportunity to have this conversation about adaptation to climate change. 🍇🌡️ #Wine #Viticulture #ClimateChange #Adaptation
Once again @chloedelmas.bsky.social leading a great work. Thanks Chloé 🙏
Our last work on #drought x #grapevine x #phytopathology is online in Plant Physiology!
We showed that the reduced canopy area in esca-symptomatic grapevine plants leads to lower canopy transpiration and mitigates water stress url: academic.oup.com/plphys/artic...
We showed that the reduced canopy area in esca-symptomatic grapevine plants leads to lower canopy transpiration and mitigates water stress url: academic.oup.com/plphys/artic...
The reduced canopy area in esca-symptomatic grapevine plants leads to lower canopy transpiration and mitigates water stress
Esca disease mitigates acute water stress in grapevine.
academic.oup.com
August 21, 2025 at 3:25 PM
Once again @chloedelmas.bsky.social leading a great work. Thanks Chloé 🙏
🔍Was in my happy place a few weeks ago hiking in the Pyrenees. Lots of diversity in this 2x2 cm rock depression. 😊❤️#Nature ⛰️
August 20, 2025 at 4:50 PM
🔍Was in my happy place a few weeks ago hiking in the Pyrenees. Lots of diversity in this 2x2 cm rock depression. 😊❤️#Nature ⛰️
👇Some severe water stress in our experimental vineyards @isvv-bordeaux.bsky.social Shedding leaves is adaptive, reducing leaf area and thus water loss. The negatives: yield decreases can be significant and leaf drop exposes fruit making it more susceptible to sunburn. #Drought #Vineyards
August 17, 2025 at 4:39 PM
👇Some severe water stress in our experimental vineyards @isvv-bordeaux.bsky.social Shedding leaves is adaptive, reducing leaf area and thus water loss. The negatives: yield decreases can be significant and leaf drop exposes fruit making it more susceptible to sunburn. #Drought #Vineyards
👇Not exactly the type of record you want to break, but here we are. 😟 2025 shaping up to be possibly the hottest year on record in Bordeaux... rivaling 2022 (depending on the metric you consider). #ClimateChange #GlobalWarming
Europe heatwave: French city of Bordeaux hits record temperature
The French city of Bordeaux hits its highest temperature since records began with 41.2C (106.1F).
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August 16, 2025 at 4:20 PM
👇Not exactly the type of record you want to break, but here we are. 😟 2025 shaping up to be possibly the hottest year on record in Bordeaux... rivaling 2022 (depending on the metric you consider). #ClimateChange #GlobalWarming
I abandoned X some time ago and am now launching into the void here at Bluesky. Hoping to share insights via our work on viticultural sustainability and adaptation to climate change. 🌱🌍 #SustainableViticulture #ClimateAdaptation #Wine
August 16, 2025 at 3:52 PM
I abandoned X some time ago and am now launching into the void here at Bluesky. Hoping to share insights via our work on viticultural sustainability and adaptation to climate change. 🌱🌍 #SustainableViticulture #ClimateAdaptation #Wine