Is this some kind of defiency/burn/problem?? Yellow spots and stripes

Benua

Member


    • Hello everybody!

      This seedling is a White Dragon (100% Indica) about 17 days from germinating.

      Medium: 30% Peat, 30% Worm Castings, 30% Perlite
      Indoor
      150 W Metal Halide (30 cms away, 12 inches)
      Ventilating Fan
      11 Litres Pot (3 Gallons)

      Hey guys. As you can see in the picture, there are some kind of yellow stripes or little spots. I have to say that the leaf was born like that (It wasnt fine at the begining, since the leaf was small you could see the little stripes).

      I fed her yesterday (first feed) and it was very diluted. So this cannot be the problem, and as I said before, the leaf was born with the yellow part.

      Is there some kind of problem, or is it just something normal.

      Thanks everybody and continue smokin!! :leaf::leaf::leaf:
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DannyBlaze

Member
I thinking slightly under feeding of nutrients do you check the ppm of the nutes and what nutes are you using mate..
 

Benua

Member
Hey thanks for the help.

As I said, the first time I fed her was the day before the first pictures. The fertilizer recomends 2-3 ml/ 1 Liter of water weekly. I used 1,5 ml/ 1 Litre

The nutrients are organic. It includes fulvic and humic acids. Top Crop

Here is a recent picture, where you can see the same issue on the new leaves.
I just bought a Ph meter, so I will use tomorrow to water.
The fertilizer says to fertilize once weekly, should I just water it tomorrow and wait 4 more days to fertilize or should I just feed her tomorrow?? (last fed 2 days ago)

Thanks everybody and pass the joint!:weed::weed:

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AimAim

Well-Known Member
Look very carefully on bottom of leaves. Looks like a sucking insect to me, mites or thrips.
 

Benua

Member
Hey everybody.

I dont see anything on the bottom of the leaves, no insects.

Thank for the help and keep smokinnn!
 

Benua

Member

Jimdamick

Well-Known Member
Benua, looks to me like a magnesium, and maybe also a calcium deficiency. Peat doesn't have any, and worm casting has zilch also.. Add some Calmag (which you should be doing anyway) and I think that should take care of it. Happy 420 and the plants look good. Peace
 

AimAim

Well-Known Member
Still looks like a bug suckin your leaves, anyway it's very minor whatever you have going on, if you even have anything going on. Look hard enough at any plant of any kind and you're gonna find a freckle or wart on all of them.
 

Benua

Member
Jimdamick and AimAim thanks for the help.

To Jimdamick, when you say add calmag, does it mean epsom salts?? I was looking at pictures of deficiencies and I dont think its a calcium deficiency, maybe a little magnesium, but no quite sure thats what it is. The fertilizer I use has some magnesium. Here is the description of the fertilizer:

Guaranteed riches W/V
Humic acids ≥ 8.3%
Fulvic acids ≥ 1.7%
Nitrogen, N ≥ 6.7%
Phosphorus, P2O5 ≥ 3.4%
Potassium, K2O ≥ 6.7%
Magnesium, MgO ≥ 0.06%

EDTA Chelated Microelements:
Boron, B ≥ 0.08%
Copper Cu, ≥ 0.025%
Iron, Fe ≥ 0.043%
Manganese Mn ≥ 0.024%
Zinc Zn ≥ 0.043%

-pH 7.8
-Rapid absorption.

AimAim, I am almost positive its no insects, as I have not seen any of them. As I said in the begining, the leaves are born with the yellow. What I mean is that you can see the little leaves growing from the begining with the yellow spots, it never changes or gets worst. (The leaves that grow without yellow from the begining never get any yellow spot). Thats why I think it has nothing to do with insects.

Yesterday I fed it a little, 1/4 strength aproximately or even less than that. Anyway, I started using the Ph meter and the water was at pH 6,6.

Please help me guys, the plant is growing fine ( I think, this is my first grow) but the yellow keeps driving me crazy. I just want no know for sure what it is and solve it.

Here are more recent pictures. I also put a picture of the stem, is it normal to have some purple as you can see in the picture??

Thanks smokers and keep growing:weed:

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Apomixis

Active Member
It is possible to have a little variation in leaf color, but that's not likely to be your problem. IMO, I don't see a problem in your pictures, given there aren't any pests.
I don't think it's anything to worry about until you can clearly see detrimental effects.
Your plants look fine. Don't worry so much.
That being said, I agree with the pest diagnosis. Look very closely at the undersides of the leaves. Spider mites start off so small, you need a scope to see them. Look again, if no pests, no worries. A deficiency will develop and get worse, if these spots don't develop, don't worry.
 

AimAim

Well-Known Member
Benua - I wasn't really looking at the yellowing, rather the small irregular white patches in post #1 pic #1. that looked kinda like mites or thrips. It's possible you had a couple and they left for greener pastures, or maybe not a bug at all, they are EXTREMELY small like Apomixis said. The spots have an irregular border which is pretty common on many insect feeding symptoms. That is, mites, thrips, aphids are all classed as Piercing-Sucking insects (seriously), and generally feed from the bottom of the leaf where it is tender and they are protected. They basically pierce the leaf and suck out the juices, leaving white, yellow or brown patches of dead cells.

New leaves always come out a little pale, it takes them a couple days to build up chlorophyll. I think they generally look OK, but if they were mine I'd up the N nutes a notch and give them cal-mag every watering. They look a little paler green than I like to see in my plants.

Anyway I bet you're OK, best of luck. - AIM
 

Benua

Member
Thank guys for the help.

Ive been looking a lot to try to spot a bug or something, I just dont see anything. As you say they may be extremely small and my vision isnt capable of seeing them.

To AimAim, thanks for your constant help and support. I just have a question for you: What do you mean with "the left for greener pastures"?

On another subject, as you say my plants are a little pale, and as I am using a organic fertilizer and the plant is in a 11 litres pot (3 gallons), I only water it twice a week. So should I feed her every watering or every other watering??

Here are more recent pictures, the new growth has some yellow on it, so the problem (if it is a problem) hasnt stoped.

Thanks and please keep the help coming, this yellow has me worried all the time. Peace to everyone!!

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Benua

Member
Comon guys some help please.

I just bought the neem oil so i am gonna start using it. The only thing I can say is that the yellowish spots dont resemble the pictures that show damage by white fliesP4030048.jpgP4030055.jpgP4030056.jpgP4030057.jpgP4030058.jpgP4030059.jpgP4030060.jpg
 

FilthyFletch

Mr I Can Do That For Half
Two questions. Do you ever mist your plants? An second in your last pictures you posted the first one is that a larvae on the underside of the leaf your flipping over?
 

Benua

Member
Hey man

I have never mist my plants, but i am about to do it now with the neem oil.

Second, yeah i forgot to post that same picture, it is a fukin white fly, that why iam using the neem oil.

Thanks and keep growing!
 
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