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virology:c:cold_damage [2026/07/01 05:19] – Promoted after review (cloned) clonebotvirology:c:cold_damage [2026/07/03 03:38] (current) – gate discussion/citations/confidence/credibility sections to trusted groups clonebot
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 +> ⚙️ **Auto-generated, pending human review.** This page was compiled automatically by a bot from community discussions and has **not yet been verified by an editor**; details may be imperfect and corrections are welcome. //Editors: delete this line once you have reviewed the page.//
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 ====== cold damage ====== ====== cold damage ======
 {{virology:c:media:cold_damage:4d6d7fdcfb30caf1.jpg?400}} {{virology:c:media:cold_damage:4d6d7fdcfb30caf1.jpg?400}}
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 * **Seasonal Feeding Adjustments:** During colder weather, growers should transition to a flowering nutrient formula or incorporate a PK (phosphorus-potassium) booster into their feeding regimen to bolster the plants' defenses. * **Seasonal Feeding Adjustments:** During colder weather, growers should transition to a flowering nutrient formula or incorporate a PK (phosphorus-potassium) booster into their feeding regimen to bolster the plants' defenses.
  
 +<ifauth @trusted_grower,@admin>
 ===== Community Discussion & Citations ===== ===== Community Discussion & Citations =====
 The community discussion centered on identifying the root cause of sudden epidermal spotting following winter frosts. While some members initially attributed the blemishes to general environmental stress or seasonal humidity shifts, topic expert Gee Bee clarified that susceptibility to frost damage is directly linked to potassium availability and cellular resistance. The community discussion centered on identifying the root cause of sudden epidermal spotting following winter frosts. While some members initially attributed the blemishes to general environmental stress or seasonal humidity shifts, topic expert Gee Bee clarified that susceptibility to frost damage is directly linked to potassium availability and cellular resistance.
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 Growers Zachary Oak, Brian Booton, and Lawrence Smith confirmed that these markings appear rapidly overnight after a frost event, with a high concentration of cases occurring on Trichocereus pachanoi monstrose (TPM) and non-monstrose (TPnonM) varieties. Gair Tyson Lowery raised a question regarding why these blemishes fade in the summer if feeding regimens remain constant, suggesting humidity might play a role. However, the consensus remains that the primary trigger is frost, and optimizing potassium uptake is the most effective preventative measure. Growers Zachary Oak, Brian Booton, and Lawrence Smith confirmed that these markings appear rapidly overnight after a frost event, with a high concentration of cases occurring on Trichocereus pachanoi monstrose (TPM) and non-monstrose (TPnonM) varieties. Gair Tyson Lowery raised a question regarding why these blemishes fade in the summer if feeding regimens remain constant, suggesting humidity might play a role. However, the consensus remains that the primary trigger is frost, and optimizing potassium uptake is the most effective preventative measure.
  
-^ Date ^ Speaker ^ Confidence Score ^ Key Insight/Quote ^ +^ Date ^ Speaker ^ Key Insight/Quote ^ 
-| 2025 (approx) | Gee Bee | 10 | "potassium is going to give the column resistance to cold and cold damage. Potassium sulfate should also work as it will not appreciable lower soil ph, but if it is too low already... so start there. The other option is to use a PK booster with y9ur nutes or run a flowering formula during this colder weather, etc" | +| 2025 (approx) | Gee Bee | "potassium is going to give the column resistance to cold and cold damage. Potassium sulfate should also work as it will not appreciable lower soil ph, but if it is too low already... so start there. The other option is to use a PK booster with y9ur nutes or run a flowering formula during this colder weather, etc" | 
-| 2025 (approx) | Chan Chandra | 6 | "Gee Bee give me some banana 😋" | +| 2025 (approx) | Chan Chandra | "Gee Bee give me some banana 😋" | 
-| 2025-12-30 | Zachary Oak | 8 | "This pattern showed up overnight after the first frost. This plant did this last year over winter, then it disappeared over summer." | +| 2025-12-30 | Zachary Oak | "This pattern showed up overnight after the first frost. This plant did this last year over winter, then it disappeared over summer." | 
-| 2026-01-06 | Brian Booton | 6 | "I’ve got the same thing showing up on my TPM." | +| 2026-01-06 | Brian Booton | "I’ve got the same thing showing up on my TPM." | 
-| 2026-01-06 | Lawrence Smith | 6 | "I see it the most on my TPM and TPnonM" |+| 2026-01-06 | Lawrence Smith | "I see it the most on my TPM and TPnonM" | 
 + 
 +===== Contributor Confidence ===== 
 +//Visible to trusted reviewers only.// 
 + 
 +^ Contributor ^ Confidence ^ 
 +| Gee Bee | 10/10 | 
 +| Chan Chandra | 6/10 | 
 +| Zachary Oak | 8/10 | 
 +| Brian Booton | 6/10 | 
 +| Lawrence Smith | 6/10 | 
  
 ===== Credibility Notes ===== ===== Credibility Notes =====
-* **Gee Bee** is recognized as a top-tier topic expert (10/10) within the Trichocereus community, providing precise, scientifically grounded botanical advice regarding nutrient lockout, pH ranges, and elemental competition (ammonium/calcium vs. potassium). +* **Gee Bee** is recognized as a top-tier topic expert within the Trichocereus community, providing precise, scientifically grounded botanical advice regarding nutrient lockout, pH ranges, and elemental competition (ammonium/calcium vs. potassium). 
-* **Zachary Oak** (8/10) provided highly detailed, multi-season observational data tracking the exact timeline of the symptoms (overnight post-frost) and their summer resolution, establishing a clear cause-and-effect relationship. +* **Zachary Oak** provided highly detailed, multi-season observational data tracking the exact timeline of the symptoms (overnight post-frost) and their summer resolution, establishing a clear cause-and-effect relationship. 
-* **Chan Chandra**, **Brian Booton**, and **Lawrence Smith** (6/10) provided consistent, corroborating reports of the phenomenon occurring on specific cultivars (TPM and TPnonM), aligning with the broader community consensus.+* **Chan Chandra**, **Brian Booton**, and **Lawrence Smith** provided consistent, corroborating reports of the phenomenon occurring on specific cultivars (TPM and TPnonM), aligning with the broader community consensus. 
 +</ifauth>
virology/c/cold_damage.1782883185.txt.gz · Last modified: by clonebot