Nute Burn or Deficiency? *PICS*

hotrodharley

Well-Known Member
Nutrient burn! Figure it out. 3 weeks old? How can any plant show a deficiency this marked at 3 weeks? The chain breaks on its weakest link. You began feeding far too soon.
 

bicoastal

Member
Yeah I would lower your PH to 6.2. To me that looks like a textbook magnesium deficiency but it also could be a sulfur deficiency. I would check your runoff water and see what PH/ PPM/EC it as. Whats most likely happened is the PH was too high and and all the salts from your tap water and your nutes have built up and caused a nutrient lockout. For a plant to take in all its nutrients, its PH is the most important factor as it is what allows the plants to absorb its necessary nutrients... flush with a bunch of RO water or if you cant use RO use tap water that has been in an open container for atleast 24 hours, then start your regimen again; during veg i like to keep my EC between .8-.1.2 depending on genetics.
 

mrCRC420

Well-Known Member
IMO it's like 60% Deficiency, 40% Nute Burn. But my best advice is this. When you are healing a sick plant you need to take it slowly! When you throw any Therapy at your plant it will take 2+ days to fully react. So try one Thing at a time, wait for a clear reaction. If it didn't solve the problem then try something else; if it worsens the issue or causes a different problem, stop doing it. I feel like you've been throwing too many tricks at the plant and it's just freaking out at you. And 3 weeks into veg is way too early for nutes; you've got nutes in your soil for at least a month bro. Balance. GL!
 

bicoastal

Member
It's NOT a nutrient burn! if it were a nutrient burn the damage would be on all the new growth sites not all the old leaves!
 

Flaming Pie

Well-Known Member
Deficiency symptoms of mobile nutrients start at the bottom of the plant. Conversely,deficiency symptoms of immobile nutrients first appear on the younger leaves orgrowing shoots at the top of the plant. N, P, K, Mg, B, and Mb are mobile in the plant. Mn and Zn are less mobile, and Ca, S, Fe, andCu are generally immobile.

 

hotrodharley

Well-Known Member
3 weeks old. It's been fed - unnecessarily and probably too much. When you see "Nute burn or deficiency?" and see a 3 week old plant then figure it out. Burn nearly every single time.
 

Fresh 2 De@th

Well-Known Member
dude you're having a deficiency related issue, and yes at 3wks. if that medium is waterlogged, you will see all kinds of problems.

there's no way in hell in them picks that shows sings of nute burn, this board is notorious for passing out bad and bogus info.

P and K is your main issue, the picks tell it all.

what size pots do you have the affect plant in? if still small let it go completely dry and tp and make sure you add more than enough perilite. also watch how you water, don't just pour water on top, if anything try to water evenly. another tip would be to place expanded clay pebbles on top.

for future reference, if you really want to some help, go to thcfarmer or icmag, because all they do here is pass on bogus info and swear as it is gospel.
here is another reference you can use to help assist in the future.
http://www.420magazine.com/forums/problems-pests-disease-control/81275-cannabis-plant-pest-problem-solver-pictorial.html
 

70's natureboy

Well-Known Member
I'm surprised by the disagreement on this one. Isn't the classic sign of over fertilizing supposed to be cats claw leaves? I don't see any, so it has to be a nute deficiency in my book. The ph is probably way off so that should be checked asap.
 

Fresh 2 De@th

Well-Known Member
pH yes. Deficiency at 3 weeks? Not unless it's old and way tired soil. Or some weird shit that isn't soil.
yes deficiency and it doesn't have to be from old tired soil. like i said, it appears to be from water logged soil.
also if you look at the link i posted in my post above, you will see that nute burn doesn't even fit into the equation.
 

zoslick

Well-Known Member
Wow, Thanks All for the wonderful advice, suggestions and comments... I'll do some analysis first and let you all know what it is... this is what I plan to do:

1. Flush out the plant - see what the runoff of the water is. If its more-less in the range of the preferred pH level, then its definitely not a pH lockout problem
2. I'll stop the nutes for about a week. See if that will make any changes, if not, then most likely a deficiency problem
3. Will go nutes at 1/4 of the recommended dosage.

Remarks:
- Although the plant is only at 3 weeks, please remember that this is a clone, meaning its been about 3 weeks (now 4 weeks) since I took it from its mother and is not 3 weeks from seed. I'm not sure how you would calculate this but here are the details:
1. Mother plant: Germinated Nov 7th, 2012
2. Clones taken: Dec 31, 2012
3. Mother plant did not have any signs of these symtoms
4. Clones were transplanted from small pots to now 3 gallon pots on soil mixed perlite. Clone #1 on Jan 28 and Clone #2 on Jan 30.
5. Both clones shared these symptoms, but since transplantation, clone #1 seems to be getting 'better'
6. Both clones have healthy white roots, *see pics
 

Attachments

Fresh 2 De@th

Well-Known Member
as i said, over watering. from what, it seems that your roots have outgrown it's home and all the excess water (runoff) has affected the roots. tp asap and you should start seeing the plant recoup immediately.
 

Spittn4cash

Well-Known Member
It looks like you have nute lock out due to pH being off.



^^This pic has twisting leaves, I suspect due to pH imbalance, and a severe potassium deficiency due to nute lockout (caused by the pH imbalance)^^



^^This plant is showing nitrogen deficiency (yellow leaves), potassium deficiency (brown "rust" spots, green veins) and phosphorus deficiency (purple stem and dark brown edges) all of which is probably due to nute lockout caused by pH imbalance^^




^^ This photo looks like you're getting close to being root bound, I would transplant as soon as possible ^^

My advice would be:

  1. Trim off the dead leaves - if they arent green, then they arent helping the plant in photosynthesis.
  2. Transplant both clones into larger pots - dont wait until they become root bound; be proactive
  3. Buy some superthrive - helps the plants deal with transplant shock and pruning shock
  4. Flush both plants with fresh 6.5 pH'd water + 2.5 ml of superthrive per gallon of water
  5. Wait until the soil dries out, then flush again with fresh 6.5 pH'd water + 2.5 ml of superthrive per gallon of water
  6. Wait until the soil dries out, then give the plants a feeding of 1/4 strength veg nutes

Hope this helps

-Cash

View attachment 2505673fuuuuck.jpgphChart2.jpg
 

Alexander Supertramp

Well-Known Member
Why is it every time a plant has a deficiency everyone starts yelling pH off? 99% of the time its just a deficiency, plain and simple. An element lacking in the diet. If pH where off bad enough to lockout one element then you would be having other issues as well. AKA leaf twisting, margins striping among other things. I know FF nutes and they do not contain dick for calcium or magnesium. And if your tap water does not contain enough. Or you didnt amend your medium with dolomite and/or EWC then you must supplement cal/mag in their diet.
 
dude dont even waste your time trying to figure this out. transplant TODAY if you havent already and watch your problems go away. Do not feed it any nutes for the first few waterings depending on the next size pot your going to (unless your in a soiless mix, sorry didnt see what medium your using exactly),

Also I see that POS soil moisture meter in one of the pics. Throw that thing out its completly useless. I hope yoiur not relying on that to know when to water!
 

Spittn4cash

Well-Known Member
Why is it every time a plant has a deficiency everyone starts yelling pH off? 99% of the time its just a deficiency, plain and simple. An element lacking in the diet. If pH where off bad enough to lockout one element then you would be having other issues as well. AKA leaf twisting, margins striping among other things.
His photo has leaf twisting, by your own admission that is a pH issue.
 

Alexander Supertramp

Well-Known Member
That leave twisting is from necrosis of the plant tissue aka deficient and dying. I see no green matter on that plant twisting in any fashion. Anyone ever see twist from pH? Entire leaves flip up side down. They can twist and contort like a gymnast. And what is posted above is not pH twisting.
 

Spittn4cash

Well-Known Member
That leave twisting is from necrosis of the plant tissue aka deficient and dying. I see no green matter on that plant twisting in any fashion. Anyone ever see twist from pH? Entire leaves flip up side down. They can twist and contort like a gymnast. And what is posted above is not pH twisting.
In extreme cases, yes the entire leaf can twist and flip. But pH issues aren't always that extreme. Usually the first sign of a pH issue is 'multiple nutrient deficiencies'/ nute lockout. That is why everyone always says check your pH first when a plant is exhibiting multiple deficiencies.

You say cal/mag, but I disagree because the Mother would also have the same cal/mag issues and deficiencies. Also, he didn't mention the ppm of his tap water, so it's not that easy to suggest that his tap water is deficient in cal/mag, because you don't have enough information.
 

Spittn4cash

Well-Known Member
Wow, Thanks All for the wonderful advice, suggestions and comments... I'll do some analysis first and let you all know what it is... this is what I plan to do:

1. Flush out the plant - see what the runoff of the water is. If its more-less in the range of the preferred pH level, then its definitely not a pH lockout problem
2. I'll stop the nutes for about a week. See if that will make any changes, if not, then most likely a deficiency problem
3. Will go nutes at 1/4 of the recommended dosage.

Remarks:
- Although the plant is only at 3 weeks, please remember that this is a clone, meaning its been about 3 weeks (now 4 weeks) since I took it from its mother and is not 3 weeks from seed. I'm not sure how you would calculate this but here are the details:
1. Mother plant: Germinated Nov 7th, 2012
2. Clones taken: Dec 31, 2012
3. Mother plant did not have any signs of these symtoms
4. Clones were transplanted from small pots to now 3 gallon pots on soil mixed perlite. Clone #1 on Jan 28 and Clone #2 on Jan 30.
5. Both clones shared these symptoms, but since transplantation, clone #1 seems to be getting 'better'
6. Both clones have healthy white roots, *see pics
What was the pH of your runoff?

Have you seen any improvement??
 
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