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Hi guys any advice for me, yellowing leaves gettin...

TheUndercoverGrower
TheUndercoverGrowerstarted grow question 6 years ago
Hi guys any advice for me, yellowing leaves getting worse and dark purple stems. Upped my bloom nutes a bit but no benefit yet. Any ideas?
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Week 8
Other. Other
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mad_scientist
mad_scientistanswered grow question 6 years ago
Hello @Undercovergrower ! What you have there is nitrogen and phosphorus deficiencies.The purple stems and petioles can be occurred from many different things so its not very reliable indicator. Ideally the nitrogen deficiency should start at around week 8 but that's not a big problem, the problem is the phosphorus deficiency . The fact that you have a phosphorus deficiency so soon tells me that your plant didn't develop its buds at its full potential. Anyway, since your are at week 8 there is no need to raise the grow nutrients. What you can do is to raise the bio bloom. A dosage of 1 ml/l bio bloom for this stage of flowering is very very low even if you were using all mix. Raise it at 4 ml/l for 1 maybe 2 weeks and then flush. One thing is sure man, you are going to have a very smooth smoke without nutrients taste. Happy growing ! 👊
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Mrs_Larimar
Mrs_Larimaranswered grow question 6 years ago
Hi, your Girl has cannibalised herself during the stretch in / before Flowering. There the plants have a big need in Nitrogen. Your plant took it out of her leaves. The Damage is done and you cant change it.The Leaves will stay green/ get brown and Die. But htat is now no big Problem. She has a need for P and K now. Give her any Blooming/ Fertiliser/ Bosster of choice. Put some Sugarbeet sirup/ blackstrap molasses into her Water. She will love that feeding. And the buds will taste very good (2 Tablespoon in 2-3 l water) happy growing
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The_Projexx
The_Projexxanswered grow question 6 years ago
Alright so there's a few things happening here brotha ! Firstly your not using enough CalMg in your nutrient solution this is causing the purpling stems . You also have Potassium and Phosphorous deficiency . So in order to fix what I see in front of me I would do the following : Boost the CalMg to 2ml per litre of nutrient solution and adjust your flowering nutrients to be stronger as the plants simply aren't getting enough , last but not least I would trim away all the super yellow leafs and the ones that look like they are about to become all yellow this way you can prevent against unwanted pests such as Spider mites , Russet Mites , Scale . If you do these things within a week you will see a vast improvement in your plants the yellowing will stop and the darkened stems will come back to a nice lush green and everything will resume happily! I hope this helps . Sending positive vibes to your ladies -Happy Growing!
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OrganicGreenGoddess
OrganicGreenGoddessanswered grow question 6 years ago
Looks like a pretty serious Cal-mag deficiency, I could be wrong but the purple stems and yellowing narcotic tissues look like cal-mag deficiency to me.
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Athos
Athosanswered grow question 6 years ago
At this point it's normal. No matter how much you up the nutes, the yellowing will continue.
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CRiSPrGrow
CRiSPrGrowanswered grow question 6 years ago
that's pretty bad N defficiency, you can try to combat it with biogrow , just don't over do it and keep the wet dry cycle , the buds should still get buff don't worry.
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