P deficient?

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Complicatestarted grow question 6y ago
I think this might be P deficient, want to get some other opinions. I was getting crispy yesterday but the change has been very rapid and today it is showing up brown with purple and crispy. should be cutting down in the next few days.
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Leaves. Color - Yellow
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Bloombuster
Bloombusteranswered grow question 6y ago
Hey, buddy! 👋 This is a phosphorus deficiency, as GaiaGreenGiant says > But! It's caused by a previous nitrogen overdose (bright green leaves with a glossy shine). Right now, you have that shine in the flowering leaves, so you could say that the buds are also experiencing a slight phosphorus deficiency, blocked by excess nitrogen (Gro supplement). The seed producer indicates a 9-week flowering for the girl to call her ripe! I looked at your diary, and your flowering started in week 5, not week 4 as you noted in the diary! Counting the flowering weeks - there are already 8! So, week 9 of flowering will be week 13 of growth, and it should be the final one (Flush week)! 👌 I wouldn't worry about it at all and would just flush the substrate with water for the next week, expecting further nutrient deficiencies, to consider the harvest healthy! 👌 You're doing great, bro! No need to take any action or worry! Good luck, buddy! ✊😇
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Experimentgreen
Experimentgreenanswered grow question 6y ago
Hello If you're having a p deficiency the leaves will usually fall off easily. Your plant didn't look bad last week other than some mildly dark leaves...for it to have made such a change so quickly I would suggest either cutting off one bud and cut it open to look for bud rot, or just cut the whole plant down entirely so it can't spread any possible spores to any other plants you're growing. If it is bud rot your dealing with I'm not sure what all can be done other than cutting away any infected bits. I know Cervantes does a bud washing with hydrogen peroxide that washes away powdery mildew so maybe it could help this too. Good luck with the harvest, hopefully were all wrong and it just got pissed off overnight and decided to senesce hardcore.👍
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GaiaGreenGiant
GaiaGreenGiantanswered grow question 6y ago
Hi there, phosphorus deficiencies are known to affect the older leaves. Your plants are are showing this problem on the actual bud leaves which leads me to be leave you may be suffering from botrytis commonly known as bud rot. Sudden yellowing of bud leaves overnight is usually the first sign. Take a closer look as deep as you can inside the bud to confirm. If so, chop her down before it affects the other buds. Most likely caused by poor air circulation. I hope I’m wrong. Cheers 🍻
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