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#41 DWB

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Posted 02 February 2019 - 10:34 AM

Probably an inconsequential update but I went back and checked my files and notes about my yellow spots.

 

I only saw this on newer leaves that got the most direct afternoon sun. I also found leaves that were only spotted on the portion sticking out from underneath the protection of spotted leaves. The leaves that got direct morning sun were just fine. This is a July 2016 picture of a scorpion that still lives. I don't recall seeing the spots on my plants ever since but maybe I didn't notice because it all turned out to be a non-event.

 

Maybe it will become an event for me this year because for the first time ever, I'll be growing peppers in absolute full sun with zero shade. Thanks for jogging my memory UncleEc.

 

xfpbyT8.jpg



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#42 Uncle_Eccoli

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Posted 02 February 2019 - 10:38 AM

That does look a lot like what I'm seeing.  Thanks for digging up the photo!


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#43 Uncle_Eccoli

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Posted 03 February 2019 - 01:48 PM

Twilights are canoeier today.  I just watered the one in the center last night, but the one next door's doing it, too.  New leaves on the secondary branches are also now curling up at the sides, wasn't so last night.

 

Recent changes:

:think: Switched to tap water a couple days ago wondering if the ro/di water is too bare, but the tap water is pretty hard, so not sure about that change.. 

:think: Ambient humidity is up to 32%. 

:think: This jug of solution's pH measures closer to 6 than 6.5. 

:think: Used less than the directed 15mL of fertilizer goo this time, maybe 10 - 12mL. 

:think: Oscillating fan's been going since Friday evening.

 

None of these except the fan should be affecting the Twilight left of center, though, since it hasn't been watered yet from this jug.  This is really bugging me.

:confused:

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#44 DWB

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Posted 03 February 2019 - 03:12 PM

How many hours of light per day?



#45 Uncle_Eccoli

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Posted 03 February 2019 - 03:15 PM

Sixteen.  How far should I cut it back, do you think?  I raised it another inch and a half this morning.


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#46 DWB

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Posted 03 February 2019 - 03:30 PM

I don't think that's a problem. Altitude of the light should be good too if it's like it was when you started the thread. That looked like a couple feet. If still nothing is getting hot, I guess I'd quit feeding them a while.



#47 Uncle_Eccoli

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Posted 03 February 2019 - 03:36 PM

If still nothing is getting hot, I guess I'd quit feeding them a while.

 

k, thanks.  Will try that, report back.


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#48 Walchit

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Posted 03 February 2019 - 05:42 PM

I think ro water can cause calcium deficiency. Google calcium deficiency and see if thats what it looks like

#49 DWB

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Posted 03 February 2019 - 06:04 PM

Nice catch Walchit. I missed that part. I don't know that ro water is gonna "cause" anything but it damn sure isn't gonna provide anything either. Ours is always below 10 ppm. No minerals there.


Edited by DWB, 03 February 2019 - 06:04 PM.


#50 Uncle_Eccoli

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Posted 03 February 2019 - 06:11 PM

I think ro water can cause calcium deficiency. Google calcium deficiency and see if thats what it looks like

 

Many of those look very much like what I've got happening, too.  I thought the calcium content of the fert I'm using would set me up, but those photos look enough like my own gnarliness to shatter that assumption.  So.. should I dose those affected?  Rely on the switch to tap water, wait for improvement?  I'm a little worried about how hard this tap water is.  We don't need hairspray here.


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#51 Uncle_Eccoli

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Posted 03 February 2019 - 06:30 PM

Found this. 

 https://luv2garden.c...ic_calcium.html

All this dicking with the humidity.    :rolleyes:

How much humidity do I want ideally, anyway?

 

I have noticed a white powderiness at the drain holes in the bottom of my pots.  As I've been using ro/di water, should it be fertilizer residue?  Mold or fungus?  I'll see if I can get a picture..

 

This is actually a very healthy-looking DouglahTX.  What's this?  

20190203_183321.jpg


Edited by Uncle_Eccoli, 03 February 2019 - 06:41 PM.

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#52 Walchit

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Posted 03 February 2019 - 07:23 PM

That's a good article. I really don't have much advice. I had curled leaves last year. And I've seen a coue trying to do it this year. It pissed me off if you wanna know the truth lol

#53 Walchit

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Posted 03 February 2019 - 07:35 PM

And that looks kinda like mold to me... Hard tellin

#54 Uncle_Eccoli

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Posted 03 February 2019 - 07:37 PM

And that looks kinda like mold to me... Hard tellin

 

Well that can't be good..  What do you do for that?  Peroxide?


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#55 Walchit

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Posted 03 February 2019 - 07:45 PM

Maybe try letting them dry more between watering, the consensus seems to be that overwatering causes causes calcium uptake issues, I know TrentL killed some mold by dumping peroxide in his pots. It just turns to oxygen and water.

Depending on what type of fungi it is it may not even be a problem. In hoping someone more knowledgeable than me will have some advise for you

#56 Uncle_Eccoli

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Posted 03 February 2019 - 10:07 PM

Found something else.  :(   Edema?

 

20190203_215756.jpg


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#57 CaneDog

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Posted 04 February 2019 - 12:14 AM

Those are Intumescences. Similar to and often called edema, but not technically the same.  Seems to happen where UV light is reduced, so indoors versus outdoors. Believed to also be related to issues of water transmission.



#58 CaneDog

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Posted 04 February 2019 - 12:24 AM

You're situation looks frustrating and it's hard to source these types of problems. The first things I'd consider are that you may have too much heat/intensity from the lights at the top of the plants.  That could cause canoeing and also the minor interveinal chlorosis. Might try lifting the light a little or taking temps at the top of the plants to see how warm they are. Another thing that could be at play is inconsistent watering as it's hard to water optimally in smaller containers.  Are you giving them a deep watering until they drain out the bottom of the pot at least periodically?  Once they root into a pot that will help give them more consistent moisture and also flush salts out that could build up and create lock against nutrient uptake.  The reaper looks in rough shape. I'd pop it out of it's pot to get a look at the roots and the condition of the soil to see what's up.

 

Just my 2 cents.  Maybe it gives you an idea or two.  No fun having these types of issues that don't have easy cures.

 


Edited by CaneDog, 04 February 2019 - 12:27 AM.


#59 Uncle_Eccoli

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Posted 04 February 2019 - 03:23 AM

Thanks, CaneDog.

 

I've raised the light a couple times lately, but the tops of the plants were never very warm.  Playing an IR thermometer against the upper leaves has never given a reading as high as 80° and the back of my hand has never disagreed.

 

It's hard for me to say how much I've been watering, except that I've cut back a lot the past few days.  I've taken to checking for moisture in the medium at the drain holes rather than hefting the pots for an indication as to when I should water.  My aim has been to wet the pot through, though I haven't let much run out the bottoms when I do water for fear of too much water (and fertilizer) reaching other pots that may not need it via the tray.

 

My reading suggests moisture and calcium problems often go hand in hand.  Some of it makes me want to try flushing affected plants, but my crystalline shame makes me think twice about that..  I've also wondered a lot lately whether I'm using too much or too little fertilizer.  It's been easy enough to follow the directions on the bottle, but I saw something on the website about reducing fertilizer strength by 50-57% for DWC..  So.. is my solution too strong in the vodka bottles?  Not DWC, exactly, but seems closer to that to me than coco and perlite in little pots..

 

What bothers me most is having begun to second guess what little I thought I'd learned.  I thought I was keeping it pretty simple with a neutral, well-draining medium, a single complete fertilizer (the thinking done for me, I'd hoped), mixed into the plainest water available, and a plug-n-play light.  It sure feels like these problems have come about as a direct result of my not knowing what the hell I'm doing.  That's an awful lot to type to have it amount to tautology, lol.  I suppose the only good cure for paralysis is sitting still.  What say I do like this for the next few days - keep the horizontal fan on 'em, ignore the humidity, quit futzing with the light, and continue watering very sparingly with the slightly reduced nutrient solution?  Fighting the urge to flail, here..


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#60 CaneDog

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Posted 04 February 2019 - 03:46 AM

Sure, I wouldn't do any big second guessing in your spot. You've got some great looking plants in your grow and I think this is mostly just fine-tuning stuff and waiting and watching what happens. Some varieties and plants are more finicky than others.  Just figured I'd throw a few ideas out there for you to consider and hopefully it gets better!






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