Leaf curl... proper posting

[TerraPharma]

Sorry for not following protocol before.

I've noticed some leaf curl on some of the leaves. I believe these are some of the original leaves from the clone transplant.

Does it look like heat stress? I had used the 'back of the hand test' and the temperature was not that hot at the tops.

The room shares space with bubba kush and cheese. Only the bubba kush (which has significantly wider leaves) has shown this problem.

It's not widespread, only a few leaves, and the others seem happy.

I was going to leave the effected leaves in place until they fell off, should I remove them?


What is your experience level? (first timer, novice, experienced...)
NOVICE

Your Equipment:
.1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's)

600watt HPS ebb and flow system

.2) Distance from tops?
Was 10" but recently moved to 24" when the leaf curl began.

.3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...)
enclosed reflector

.4) Is there a consistent fresh air supply?
Yes

.5) Do you have an exhaust fan and a circulation fan?
Yes

.6) What are the bulb wattages, kelvin ratings, and schedule?
600 watt 2100k 18/6


Your medium:
.7) Specific brand and type of soil, (coco, peat based soilless...) and anything you've added to it. (vermiculite, perlite, worm castings...)
Hydroton

.8) Size of container.
2 gal.

.9) Did you use peat pucks (or similar) to root clones or germinate seedlings?
clones

Your nutrients and water:
10) Source of water? (tap, bottled or filtered) What's it's ph before adjusting?
tap 7.0 before adj.

11) Method of checking water ph. (ph pen, test strips, aquarium test kit...)
Hann pen

12) Method of adjusting water ph. (phosphoric acid, white vinegar, hydrated lime, PH Up...)
General Hydroponics PH up/PH down

13) Specific brand and N-P-K ratio for each bottle. List dosages (quantity per gallon) and current feeding schedule.

17-7-18 supernatural Gro aqua

14) How often are you watering between feedings, and how much per watering?

4x per day for 15 minutes (ebb and flow system)

15) Any additives or tea's? (Superthrive, CalMag, molasses, Mother's Earth...)
Cal Mag foliar once per week.

16) Are your ph levels stable, or do they fluctuate?

I start at 5.2 and they tend to rise over the week to about 6. then I change the water.

17) What is your ingoing water's ph? ...your runoff ph?
5.2 to 6.0


18) Do you foliar feed? If so, with what, how often, and at what time do you spray?

CalMag Early morning under leaves where possible

Your growroom:
19) Indoors or outdoors?
in
20) What size of closet, room or hut?
4'x4'x7' Secret jardin

21) What are the temps and humidity levels while lights are on? ...With lights off?
79 degrees with 55% hum when on and 68 degrees and 52 when off. although there were some hot days that got as high as 85 degrees in the tent

22) Have you seen signs of insects in the growroom?
NO

Your strain:
23) What strain are you growing? (Indica dominate or Sativa dom?)
Bubba kush and Cheese

24) From seeds or clones?
clone


25) Is this an autoflower strain?
No

TerraPharma Reviewed by TerraPharma on 08-05-2010. Leaf curl... proper posting Sorry for not following protocol before. I've noticed some leaf curl on some of the leaves. I believe these are some of the original leaves from the clone transplant. Does it look like heat stress? I had used the 'back of the hand test' and the temperature was not that hot at the tops. The room shares space with bubba kush and cheese. Only the bubba kush (which has significantly wider leaves) has shown this problem. It's not widespread, only a few leaves, and the others seem happy. Rating: 5

[Rusty Trichome]

Does it look like heat stress? I had used the 'back of the hand test' and the temperature was not that hot at the tops.

Nope. Not a heat issue. Put the lamp back.

The room shares space with bubba kush and cheese. Only the bubba kush (which has significantly wider leaves) has shown this problem.
It's not widespread, only a few leaves, and the others seem happy.

Old leaves are old news. If the new growth is fine, they'll be fine. Might have been something you sprayed or an additive you used during or just after rooting. Was the plant that the clones came from yours? If not, it might have been adjusting to your nutrients, light, schedules, water...
But it does look like they were over-nutrified at some point.

I was going to leave the effected leaves in place until they fell off, should I remove them?

I usually let the plant discard the leaves, and pick them out of the pot. If they are still green, they're still doing something.

Your nutrients and water:
12) Method of adjusting water ph. (phosphoric acid, white vinegar, hydrated lime, PH Up...)
General Hydroponics PH up/PH down

You shouldn't need both unless sourse water varies.

13) Specific brand and N-P-K ratio for each bottle. List dosages (quantity per gallon) and current feeding schedule.
17-7-18 supernatural Gro aqua

I'm unfamiliar with the product, but have you checked online for a feeding schedule? Ya might want to check HERE.

14) How often are you watering between feedings, and how much per watering?

4x per day for 15 minutes (ebb and flow system)

15) Any additives or tea's? (Superthrive, CalMag, molasses, Mother's Earth...)
Cal Mag foliar once per week.

16) Are your ph levels stable, or do they fluctuate?

I start at 5.2 and they tend to rise over the week to about 6. then I change the water.

Perhaps the PDF I refered you to would verify the schedule. I'm a soil guy, and water once daily in the summer.
I prefer molasses instead of CalMag now-a-days. But CalMag is ok.

Keep an eye on 'em, verify your schedules and such, and good luck. :thumbsup:

Also, there is a hydro troubleshooting form just below this form, on the page you got this one from. (in case you need it again)

[WashougalWonder]

Hey Rusty, notice how the new leaves don't have it? Just the one? Root damage? I am soil guy too, not much help other than that observation

[Rusty Trichome]

Hey Rusty, notice how the new leaves don't have it? Just the one? Root damage? I am soil guy too, not much help other than that observation

Yup...

Old leaves are old news. If the new growth is fine, they'll be fine. Might have been something you sprayed or an additive you used during or just after rooting. Was the plant that the clones came from yours? If not, it might have been adjusting to your nutrients, light, schedules, water...
But it does look like they were over-nutrified at some point.

:thumbsup:

[TerraPharma]

Thanks for all your help.

This quote got me through the worry about the plants.
"Old leaves are old news."

I took a step back and let the plants do their thing and now they are doing GREAT.

The 'old leaves' are still there, they seem brittle and dry but they haven't dropped, I'll let the plants decide when they should go.

I'm now about 2 weeks into flowering and everybody looks happy.

Thanks again.