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What is this symptom?
koronkonkostarted grow question 4 years ago
Have a symptom of something that I could not understand. Started with yellow color from the edge of leaves, suddenly become a brown/yellow color and top of the leaves dried too fast like burned. any ideas?
under plant:
pH 6,6;
EC 1,7;
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Joej1990answered grow question 4 years ago
It could be cal mag over because she need in veg most of it so may decrease cal mag for few weeks and also may need pk anyway I had similar problems last time I couldn’t fix but the buds was nice try also to increase to 40-50 % umidity and 26 Celsius may help to don’t dry the top leaf I hope I helped you good luck mate enjoy your grow will be nice !!
Burmeseanswered grow question 4 years ago
Hi there,Plants are less defensive during flowering stage and they are using all the energies for bud production.They will show heat stress( mostly if temp is above 25C or intense heat at buds,hot spot heat stress)and might show some symptoms or leaves discoloration(may be different from strain to strain.As long as I can keep my substrate pH in proper range and proper feed, I will not worry a bit about those symptoms and discoloration).All I would do is making her as comfortable as I can until harvest and focus on buds for pests, mold or rot.BTW even your RQS strain representing photo got symptoms like yours.My another sense said it’s look like Phosphorus deficiency.Happy growing... ✌️
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koronkonkoanswered grow question 4 years ago
@smoke24 , Other plants is higher and no complane. From begin flo i have about 30cm(12"). In diary you can see that other lower part is yellow/brown too.
@Joej1990 , I have a canna terra professional soil
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smoke24answered grow question 4 years ago
You have signs of light/heat stress, raise the light 5 inches, and see if problems improve. Happy growing.
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