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What type of stress is this? (lemmy.zip)

submitted 2 months ago by Gingerino to c/[email protected]

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cross-posted from: https://lemmy.zip/post/23778058

Hi guys, I'm back again 😏 Do you know what type of stress could have done this to the leafs?

Thanks and keep it up!

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[–] Gingerino 1 points 2 months ago

thank you for your availability. I'll tell you right away that I don't buy random things. I fertilize my plants with the complete PLAGRON organic line: Grow/bloom algae etc... I always check the pH of my water at every irrigation, furthermore the soil I put is rich in earthworm humus, guano, perlite and a good dose of Mycorrhizal fungi right from germination. I detached that leaf immediately after both water and heat stress (the cooling system turned off while I was away, reaching 37/38 C° with 20% humidity for almost 36 hours! It's a miracle that they didn't die, you can see that they are F1 genetics. ☺️. in my opinion that is a light/heat damage in a dry environment. as you can see now they're back to being nice and green. don't you think?