12/12 jack
Active Member
yh older and middle leaves.. im pretty sure new growthg is fine but lights are off now. its only on a few leaves. any ideas?
The 12-12 From Seed Thread
- Thread starter del66666
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mantiszn
Well-Known Member
are you using Miracle grow by any chance?
if not is it soil? coco? hydro? can't see from the pictures.
also hate to ask this.. but do you know what your ph is? haha
if not is it soil? coco? hydro? can't see from the pictures.
also hate to ask this.. but do you know what your ph is? haha
supchaka
Well-Known Member
Ill take a wild stab and say wind damage. Are they in the air flow?
Serial Violator
Well-Known Member
Thats what i was thinking
12/12 jack
Active Member
im in coco/perlite mix... using hesi nutes and buddahs tree pk 9/18...
haha yh i know my ph... 5.8
12/12 jack
Active Member
yes strangely enough they are.. i have oscillating fans and the ones thgat have it worst are nearer the fans. also a couple of bud sites on branches that are in the airflow as well have a few slightly shrivelled pistols turning brown... could this be connected as well??
12/12 jack
Active Member
12/12 jack
Active Member
i first noticed it a couple of weeks ago. id say it is beginning to affect more leaves but its very very slow. and most of the plants dont have it. thats why i havnt really bothered mentioning it. i just dont want anything going wrong that i could have prevented!! i will have a proper inspection in the morning when the lights are on.
what do you reckon it could be?
thatsmessedup
Well-Known Member
looks like slight over fertilization. definitely not powdery mildew.
12/12 jack
Active Member
although if it was mildew wouldnt it be like a residue?? and wipe off like a powder?? this is just like patches that are turning orange/brown and then dying!!
12/12 jack
Active Member
i wasnt thinking powdery mildew i was thinking downy mildew. i can deal with slight over fertilisation if thats the case
... Shift+R improves the quality of this image. CTRL+F5 reloads the whole page.12/12 jack
Active Member
oh and id just like to say thanks to you all for trying to help... its much appreciated. theres some good people on this thread
mantiszn
Well-Known Member
isn't downy mildew an internal thing though? like inside the tissue
not really sure.. don't know that much about it.
if it was lockout or build up would expect to see a bit of yellowing, but having another look its just brown, like dried out chlorophyll gone
this happened on one of my runs, it was only the very bottom older leaves though, so didn't really care too.
what are the chances you spilt some water/feed on the leaves affected?
the leaves that were affected for me were right at the bottom sitting on the coco, so would get a bit wet sometimes.
they looked very similar come to think of it
not really sure.. don't know that much about it.
would say that supchaka's wind burn might be a good call.
if it was lockout or build up would expect to see a bit of yellowing, but having another look its just brown, like dried out chlorophyll gone
this happened on one of my runs, it was only the very bottom older leaves though, so didn't really care too.
what are the chances you spilt some water/feed on the leaves affected?
the leaves that were affected for me were right at the bottom sitting on the coco, so would get a bit wet sometimes.
they looked very similar come to think of it
12/12 jack
Active Member
its on some leaves that theres no chance i could have spilt anything on! and im pretty careful with feeding.
i will just keep an eye on it as its pretty slow progression anyway.
i dont know anything about downy mildew either!! im just trying to find some pics that look similar. hopefully it is slight over fertilisation or wind burn. its just this is my first grow and id be devestated if something serious goes wrong as its going so well...
thanks for your input, greatly appreciated!! if it gets worse or when i look in morning i notice on new growth then i will post some more pics.
12/12 jack
Active Member
ive just had a quick look as i have a green torch. definitely seems to be on ones in direct contact from airflow from the fans. should i slow fan speed or just leave it?? i have a 12" extraction going 24/7 or else i get high humidity.. (60ish in day and drops to 45ish at night with full extraction) so i have the fans on pretty strong to aid air circulation
12/12 jack
Active Member
seems like we are on the same wavelength then. i definitely agree!!! i have a few budsites near these leaves that have a few withering pistols... could that be due to the wind as well??
Serial Violator
Well-Known Member
i woulnt just leave it or it will get worse and worse and fuck up that part of the plant