LED and other Lighting
Thatsmessedup's Blackstar 500 LED, LST Grow #2 in the
Indoor Growing forums; Day 49 Of Flower:
Hey guys, Iv got a bit of a problem that maybe you can help identify. Only ...
07-02-2012, 07:47 PM
Day 49 Of Flower:
Hey guys, Iv got a bit of a problem that maybe you can help identify. Only one plant is showing these signs.
Day 49 Of Flower Pictures:
07-02-2012, 09:13 PM
Looks like P or K deficiency to me -- can't remember which maybe hit'em with both?
07-02-2012, 09:56 PM
So definitely deficiency and not over fert? Might make sense because I only fed 850ppm last feeding. Now if I could narrow it down to P or K.
07-03-2012, 12:22 AM
There's also a good thread in the plants and plant problems forum with pics. Don't really know much about ppm so I couldn't comment on that. It doesn't look like nutrient burn to me but like I said I'm also not a hydro guy so maybe something I'm not used to seeing. I checked the thread above and I don't think it's P or K deficiency now at least it didn't look like the pics there. Not sure what you got there -- any environmental stress?
07-03-2012, 12:52 AM
Thanks for the info... BTW I'm using soil not hydro
07-03-2012, 01:18 AM
oh yeah that's right i remember now just not used to measuring ppm for soil
07-03-2012, 05:12 AM
I'm not great at diagnosing deficiencies but from that charts and pictures I can find that looks like a phosphate deficiency... Hope that steers ya in the right direction...
07-03-2012, 12:42 PM
It looks like either a calcium defieciency or a boron deficiency. if it started as spots its calcium. If it was p they would bedark tips and edges.and light green and droopy. N def would be spotty yellow. Mag def edges yellow. Phos toxicity would look like over watering. Brown and dried out and crispy.
Life's a garden, dig it
Prop 215 / SB 420 Compliant
07-03-2012, 12:54 PM
I would flush.......seems like you have quite a strong nute regiment....plain aerated water does wonders for plant health, defs are rare in soil.......try it once they dry out and see if it improves........good luck
07-03-2012, 03:07 PM
Day 50 Of Flower:
I think the burning has stoped or at least slowed down. Yesterday I watered with plain water. I think it may have been over nutes. Thanks for all your help in the matter^^. I will keep an eye out. Plant #2 is definitively a different pheno then plant #1. Its just not as fruitful but it still looks healthy. They both seem slow to finish. The newcomers to the tent are growing rapidly and are just about the same height as my Great White Sharks.
Day 50 Of Flower Pictures: