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Offlinearaucaria
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Registered: 04/21/08
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Ok, so what's wrong with my plant
    #15273 - 04/29/08 09:41 PM (9 years, 1 month ago)

zinc deficiency? something else? help a noob out. pics should be explanatory, but feel free to ask for details if needed



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InvisibleHarry_Ba11sachM
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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #15276 - 04/29/08 09:58 PM (9 years, 1 month ago)

Ouch.

Pics are really not that explanatory unless we're just shooting in the dark. It could be anything from a deficiency to nute burn... can we get some details on nutes, concentrations, growth stage, where does it occur (old/new leaves), soil or anything else?


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: Harry_Ba11sach]
    #15281 - 04/29/08 10:14 PM (9 years, 1 month ago)

yes. sorry i'm a noob and dont know what to tell you

so it's vegged for 30 days and now has been on 12/12 for almost another 30 days. it's been fed foxfarm grow big and big bloom, at low concentrations and about 1nce a week.


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Offlinem3kgt
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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #15487 - 04/30/08 06:09 AM (9 years, 1 month ago)

From the above pic I can only presume that this sign starts at the older lower leaves. A full plant shot would be better to detect where the problem starts and like said above some more in dept info such as your PH level your soil and the PH of your nutrient solution. What is your solution of the nutes? Be cautious with the Grow Big as that is a not a full organic but only organic based and can easily burn the plant. The Big Bloom is some good pure organic stuff and that’s pretty much what I used throughout my entire grow (along with other nutes of course). I started out with the Fox Farm trio pack but ended up just using the big bloom. This could be anything from late signs of nute-burn to fluctuation in the ph level to a Magnesium deficiency. A quick guess would lead me to believe that your soil is too acidic, but you would need to answer that. peace


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Edited by m3kgt (04/30/08 06:11 AM)


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Invisiblecoda


Registered: 04/20/08
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Re: Ok, so what's wrong with my plant [Re: m3kgt]
    #15548 - 04/30/08 11:59 AM (9 years, 1 month ago)

PH problems are usually characterized by upward curling and crisping of the leaves. Seems to effect the new growth first, but, this is not always the case.

You should answer the following questions to help us diagnose it better.

What type of soil are you using?
Have you PH tested the soil?
Have you PH tested your nutrient solutions?
What is a "low concentration"?
How much water do you give your plants?
What is the high temps of your room with lights on?
Did you foliar feed?
What is the size of the pots you are growing in?
What type of water did you use (tap, spring, distilled, reverse osmosis)?
What are the color(dark green, light green, white etc) of the "healthy" leaves on your plant?

At a first glance i would say that's a sign of nute burn. If you're using fox farm soil and you didn't cut it heavily with an additive like perlite or verm, or peat, it's quite possible they're just getting overloaded. FF soil is great but it's really rich, it has the tendency to burn plants quick if you're not careful. I learned pretty quickly you didn't need any veg nutes with FF:OF soil. They tend to suffer from N overload if you feed them veg nutes like grow big.


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: coda]
    #15566 - 04/30/08 12:37 PM (9 years, 1 month ago)

well, i'm sure there are many problems with my tek. i don't have a pH meter. i use tap water. the leaves that are showing these symptoms are older leaves. tmps don't go over 85F. all i used is grow big and big bloom. i'm using an organic potting soil mix with some perlite. i'm guessing nute burn would make sense if the soil is rich enough


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Invisiblecoda


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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #15577 - 04/30/08 01:00 PM (9 years, 1 month ago)

Quote:

all i used is grow big and big bloom.




what was the ratio? (xxx tsp/tbsp per gal)

You won't be able to get those leaves to go back to normal, but, i think a flush would do you good. If you have any excess salts built up that should take care of it. You need to take care of any plant problems (especially nute related) as early as you can with flowering plants. If you don't your yield will suffer greatly.

If you don't know how to flush take the size of your pot and double(triple if you want) it. That is the amount of water you need to flush your plants with.

So, for example, if you use 2 gal pots you should flush with a least 4 gallons of water. Flush with plain water, if you can afford it i'd buy distilled water from the store.


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: coda]
    #15639 - 04/30/08 01:39 PM (9 years, 1 month ago)

i might try to give it a flush tonight. the funny thing is there are 3 other plants with the same life but only this one had the yellowing leaves.


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Invisiblemel_lonta_tauda
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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #15739 - 04/30/08 05:35 PM (9 years, 1 month ago)

a flush should be the last thing you want to do. try to find out what the problem is first and take care of it. you might just end up killing the whole plant


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Invisiblecoda


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Re: Ok, so what's wrong with my plant [Re: mel_lonta_tauda]
    #15793 - 04/30/08 08:23 PM (9 years, 1 month ago)

Quote:

a flush should be the last thing you want to do. try to find out what the problem is first and take care of it. you might just end up killing the whole plant




flushing won't kill your plant. Not flushing will. If he is suffering from salt buildup, or a lockout, flushing is probably one of the only ways to save it.


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: coda]
    #15829 - 04/30/08 09:36 PM (9 years, 1 month ago)

well, i'll flush it tonight


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Invisiblemel_lonta_tauda
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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #15848 - 04/30/08 09:49 PM (9 years, 1 month ago)

go ahead and do it.  my bad, i wasn't thinking clearly. :frown:


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OfflineHanky
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Re: Ok, so what's wrong with my plant [Re: mel_lonta_tauda]
    #15962 - 04/30/08 11:03 PM (9 years, 1 month ago)

LOL, not clearly at all. Flushing is a first line of defense, if you flush with ph corrected water at the first sign of any nute or PH related problem it gives you a time buffer so you can look at your nutrient and PH factors and try and work out where the problem lies.


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Invisiblemel_lonta_tauda
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Re: Ok, so what's wrong with my plant [Re: Hanky]
    #15970 - 04/30/08 11:07 PM (9 years, 1 month ago)

yeah. i forgot for some reason that it was a nute's problem and flushing is another method of fixing it. i'm somewhat of a newbie myself when it comes to being an experienced grower.

but good thing you corrected me as well. now i know what to do next time in case something happens


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OfflineHanky
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Re: Ok, so what's wrong with my plant [Re: mel_lonta_tauda]
    #16087 - 05/01/08 12:06 AM (9 years, 1 month ago)

That's the good thing about flushing, even if it turns out to be a mold or insect problem it'll never hurt your plants to do it anyway.


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Invisiblemel_lonta_tauda
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Re: Ok, so what's wrong with my plant [Re: Hanky]
    #16090 - 05/01/08 12:11 AM (9 years, 1 month ago)

i actually thought about flushing my plant two days ago, but i didn't have the money to buy any nute's for it. so it diesd while flowering. it's a shame


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: mel_lonta_tauda]
    #16098 - 05/01/08 12:50 AM (9 years, 1 month ago)

i should really get a pH meter soon


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OfflineGROWEED
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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #18932 - 05/04/08 02:54 PM (9 years, 1 month ago)

Or come cheap test strips :shrug:


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Offlinearaucaria
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Re: Ok, so what's wrong with my plant [Re: GROWEED]
    #19066 - 05/04/08 03:36 PM (9 years, 1 month ago)

btw, i flushed it. the plant looks really healthy other than this issue. i will start testing the water runoff from now on.


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Invisiblecoda


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Re: Ok, so what's wrong with my plant [Re: araucaria]
    #19086 - 05/04/08 03:42 PM (9 years, 1 month ago)

if the problem is only affecting one or two leaves and is not spreading, don't beat yourself up too much over it. However if the problem moves onto your new growth or is starting to affect the newer leaves, you need to move on it.

If the rest of your plant is nice and healthy though you should be ok.


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