Trying to figure out WTF this is

[kamyo]

FYI: I'm running a pc cab with 1 80mm intake and 1 80mm exhaust. Only 2 14 watt daylight CFLs(veg/mother/clone cab)

This has happened a couple times in the last few weeks. After thorough searching, I thought I finally got it figured out and thought it was damping off.
It happened to me again yesterday around noon when I added a third 14watt and raised the little guys/girls to around 4 inches below the bulbs. Around 5pm, I checked them and they weren't looking so hot. I thought maybe the roots needed some oxygen, so I squeezed the bottoms of the cups a little to break up the soil. I also removed the added bulb, and brought them down to normal height. This morning, they looked like the pictures above, but the soil was dry(so I watered them). Anyway, I've tried this with coco, and now a mixture of local clay soil(30%) and some commercial potting mix. Both times I encountered this.

As I write this , it looks like the leaves have gone back down to a normal state, so I think they may be salvageable (thank god).
Just trying to dial in my cab so I won't lose any mom(s) or clones I have going. Any help with diagnosing the problem is much appreciated. Thanks.

 

[purple clouds]

what exactly are you talking about? if your talking about the leaves being up in the air that is normal. its from being a little too hot or dry and they do that when the lighting is high in the red spectrum. it wont hurt them unless it gets too hot/dry. hope that helps.

 

[kamyo]

Thanks, it does help. The leaves up in the air is exactly what I was worried about. I've had a few other seedlings to this in the last few weeks and none of them seemed to recover. The leaves all just slowly turned up, closed, and died away. I'll keep the current setup for a while to see how it goes. My main worry was any sort of fungus that may be in the cab. After I get these outside, I'll probably work on the cab a little. Maybe eliminate the intake and make sure the exhaust is pushing enough hot air out(less dry, cooler). Thanks again.

 

[purple clouds]

if the leaves don't burn/dry up on the edges when they die you have a problem somewhere in the roots. when they dampen off the leaves will feel wilted and you will see the stem die from the bottom up. then your plant will fall over.

i've had some bugs before that eats the roots and the plant just dies without much symptoms other then not looking the greatest. if these die i would dig up the roots right away and check. they are very small and only move when disturbed. i find these little bugs in most of the commercial potting soils anymore(at least in my area). they seem to love pot plants more then any other plant too.

 

[Stress_test]

FYI: I'm running a pc cab with 1 80mm intake and 1 80mm exhaust. Only 2 14 watt daylight CFLs(veg/mother/clone cab)

This has happened a couple times in the last few weeks. After thorough searching, I thought I finally got it figured out and thought it was damping off.
It happened to me again yesterday around noon when I added a third 14watt and raised the little guys/girls to around 4 inches below the bulbs. Around 5pm, I checked them and they weren't looking so hot. I thought maybe the roots needed some oxygen, so I squeezed the bottoms of the cups a little to break up the soil. I also removed the added bulb, and brought them down to normal height. This morning, they looked like the pictures above, but the soil was dry(so I watered them). Anyway, I've tried this with coco, and now a mixture of local clay soil(30%) and some commercial potting mix. Both times I encountered this.

As I write this , it looks like the leaves have gone back down to a normal state, so I think they may be salvageable (thank god).
Just trying to dial in my cab so I won't lose any mom(s) or clones I have going. Any help with diagnosing the problem is much appreciated. Thanks.

Well now that is pretty weird. I see thumbnails up there in the OP... With 6 posts?

But clicking on em errors.

Kamyo, I can't see your pics but from what you are describing I think you are overdoing the light a little. Those lil babies will be kinda sensitive to direct bright light for probably another week.

And if you feared damping off then you know to be careful about over watering.

 

[Noobian]

Bro why are you planting so low in the cups? Should fill those bad boys up to the top and let your babies grow out of the cup. The leaves are standing up like that cause they are reaching for light, which looks like they are having a hard time getting to cause they are so deep in the cup. I'd re-pot them and make sure you fill up your containers to the top so they are outside of the cup. Water less often early on as well, you actually want them to dry out a little bit so the roots have to search for water. That gives you bigger root system (in theory) and bigger roots means bigger/more bud.

 

[Stress_test]

Noobian is right of course.
But I wouldn't re-pot for a week, until they have some roots. Until then you should at least cut the tops off so the stems won't stretch as much.

(I can't believe that I didn't catch that.)

 

[SirTOKESalot]

MORE SOILL!!!

MORE SOILL!!!

Thanks, it does help. The leaves up in the air is exactly what I was worried about. I've had a few other seedlings to this in the last few weeks and none of them seemed to recover. The leaves all just slowly turned up, closed, and died away. I'll keep the current setup for a while to see how it goes. My main worry was any sort of fungus that may be in the cab. After I get these outside, I'll probably work on the cab a little. Maybe eliminate the intake and make sure the exhaust is pushing enough hot air out(less dry, cooler). Thanks again.

One thing people beginning to grow pot have an issue with is, they forget ITS a WEED. This plant sometimes thrives on stress!


If you have a decent soil mix and you don't let the sprouts get too dry, your good to go! For most beginners the hard part is getting the bean to pop.
Just add soil, Watch the moisture and for the first 2weeks Sit back and enjoy.... They are at there most self sufficient stage right now.

Also threw-out your growing future you will see leafs pointing every direction!That is for another talk. Right now, Don't stress too much bud, this is the easy part!

 

[Mr. Greengenes]

I can't see the pics either. I think it's pretty obvious that there's a problem with too hot a mix for seedlings (combined with bad drainage), but I don't see any info on nutes in your summary. Any amount of 'local clay soil' in a seedling mix is too much. Even a vigorous, full size plant would have trouble with a slow draining mix with clay. Also, local soil can contain the kinds of fungus that cause damping off. Seedlings need SMALL (half full as you have done is good) pots with a light, well draining soilmix with barely any nutes at all. Cannabis does NOT thrive on neglect or abuse, it merely tolerates stuff that would kill other plants.

 

[SirTOKESalot]

Cannabis does NOT thrive on neglect or abuse, it merely tolerates stuff that would kill other plants.

I had a Side by side last year that me and a buddy did. And we stresed the fuck out of one and did nothing to the other, and we had more frost, and bigger buds... They both came from the same mom.

I said "This plant sometimes thrives on stress!" and by that i do not mean stressing from Start to finish, but there are alot of people that will agree if you stress and plant in late veg as well it will produce more flowers. IE topping and Defoliation.
Just runs in here saying NO WAY NO HOW... and Yes thrive was the wrong word indeed.

 

[Noobian]

I can't see the pics either. I think it's pretty obvious that there's a problem with too hot a mix for seedlings (combined with bad drainage), but I don't see any info on nutes in your summary. Any amount of 'local clay soil' in a seedling mix is too much. Even a vigorous, full size plant would have trouble with a slow draining mix with clay. Also, local soil can contain the kinds of fungus that cause damping off. Seedlings need SMALL (half full as you have done is good) pots with a light, well draining soilmix with barely any nutes at all. Cannabis does NOT thrive on neglect or abuse, it merely tolerates stuff that would kill other plants.

Look at those pics closely, that doesn't look like "half full" to me, looks about 1/4 to a 1/3. You're probably right about the soil being improperly amended for seedlings but the depth they are in that container seems kinda low especially if he's vegging under low watt CFL bulbs. What say you to that greengenes?

 

[kamyo]

Thanks for the info. All of the suggestions make total sense. Honestly, this is the first time I've ever planted in cups. I've usually just gone straight outdoors with my stuff, but I wanted to give these a little more veg time. Aside from what's in the native soil, there should be no nutes. The potting mix is some stuff we had here that's mostly(if all) peat moss. I'll actually be leaving the house for a few weeks, so these will be going outside in just a few days(in different pots with different soil). I wasn't too worried about saving them, but wanted to make sure everything is right for the mom when she's ready. Thanks again.

Oh, and I thought that the post count may have limited me from posting pictures, but I'm not sure. I just added an album and put them up.