Plant Problems! Please help .Pertaining to Leaf Burn

whitewidow6 · Feb 24, 2011

My plants have 14 days, they are 4 Pandora`s autoflowering from Paradise Seeds,

I use a 400w MH bulb on a hydroponic flood and drain system.
I build my system from zero.
I use Flora Duo nutrients and roote accelerator.
The ph is around 6, I use filtered wather and lower the ph with ph down...
The temp is around 30 degrees Celcius, but i try to lower it by venting the grow room.
The lamp has a 33 cm hight from the tips of the plant.

My plants have some problems, the lower leafs are crispy and yelow between the nervs ... I don`t know if a nute burn or a problem from the heat,

I`ve uploaded some pics...

Please help,
Need advise quickly

Thx,
WhiteWidow

cruzer101 · Feb 24, 2011

I would say back off nutes to half strength.
This happened to me in a water farm grow with flora nutes.

Bublonichronic · Feb 24, 2011

why would you choose to grow hydroponically using chemicals? u a distributer? soil organic for quality man...

whitewidow6 · Feb 24, 2011

Do you think follial feeding had something to do with that burns ?
I used 1/4 strenth ...

It`s my first grow ... and i thought hydroponic was the way

... and I still think that ...

Bublonichronic · Feb 24, 2011

whitewidow6 said:
Do you think follial feeding had something to do with that burns ?
I used 1/4 strenth ...

It`s my first grow ... and i thought hydroponic was the way ... and I still think that ...

i understand, i did when i started too, i built a ebb n grow set up and ran it a couple times, they do grow faster ill say that... but do a little more reading on the subject my friend... :joint:

whitewidow6 · Feb 24, 2011

Bublonichronic said:
i understand, i did when i started too, i built a ebb n grow set up and ran it a couple times, they do grow faster ill say that... but do a little more reading on the subject my friend...

I`ll try some outdoor`s next month ... they run cheaper

Do you have an opinion on my leaf burns ?

I`ve weaken the strenth to half ... do you think the light has somnething to do, or the follial feed ...
Waitn` for an answer
THx ...

PS what does "flushing" means ?

Bublonichronic · Feb 24, 2011

I don foliar feed, but then again being a medical patient imm all about Recreating a natural enviroment for my plants for best quality possible, but I think cuttin bac nutes will help also

Bublonichronic · Feb 24, 2011

Flushing prevent chemical bonds from formin in you medium that lock out nutriens to The plant... Should be done weekly IMO

greenhydro420 · Feb 26, 2011

from what i see n yur pics, it looks like u over fed it. i have 8 feminized seeds of pandora and would LOVE TO SEE yur plant pics at day 63 so PLEASE keep us posted

....plants grow best at 72f to 76f,at 30c yur plants r to hot! they stop growing at 90f,plants grow best hydroponically within a ph range of 5.5 to 6.5 w/ 5.8,6.0 being ideal.....this info is by a pro grower called jeorge cervantes.....he is one of tha best,writes grow articles in high times and cannabis culture magazines.....KEEP US POSTED!!!

whitewidow6 · Feb 26, 2011

greenhydro420 said:
from what i see n yur pics, it looks like u over fed it. i have 8 feminized seeds of pandora and would LOVE TO SEE yur plant pics at day 63 so PLEASE keep us posted ....plants grow best at 72f to 76f,at 30c yur plants r to hot! they stop growing at 90f,plants grow best hydroponically within a ph range of 5.5 to 6.5 w/ 5.8,6.0 being ideal.....this info is by a pro grower called jeorge cervantes.....he is one of tha best,writes grow articles in high times and cannabis culture magazines.....KEEP US POSTED!!!

Now the girls are 16 days and 2 of them begin the blooming stage, next week i will change the Mh bulb with a HID bulb
The temp is now ... 26 degrees celcius

I will keep u posted ... i`ll add some picz next week

cruzer101 · Feb 26, 2011

Yea, only time I spray my plants is with a miticide.
Ya know, after looking at that one pic with the leaf edges curled a bit it may just heat stress but I still think you are better off at half strength nutes.

whitewidow6 · Feb 28, 2011

cruzer101 said:
Yea, only time I spray my plants is with a miticide.
Ya know, after looking at that one pic with the leaf edges curled a bit it may just heat stress but I still think you are better off at half strength nutes.

Thx for the info,
There are no new burns on the plants ,
all the plants are in flowering now ...

I`ll change the bulb and the nutes in a few days.

whitewidow6 · Mar 3, 2011

New picz ..

Wait for comments

cruzer101 · Mar 3, 2011

There ya go, that new growth looks fine. You are on your way now, good luck.

whitewidow6 · Mar 3, 2011

Thx ... i will need it
I think there are some problems with the roots ... the hydroton is turning white and i don`t know it is the nuts or is mold
I will upload some picz ... in the next days ...

greenhydro420 · Mar 4, 2011

thier doin good now

growin like a champ,although dont like tha sound of yur hydroton tuning white so id keep a strong eye on that

whitewidow6 · Mar 5, 2011

greenhydro420 said:
thier doin good now growin like a champ,although dont like tha sound of yur hydroton tuning white so id keep a strong eye on that

THx ... these are some picz of the hydroton,
I`ve flushed the substrat today because i`ve changed the nuts to flowering.
I wait some sugestions

The problem is between the dryed layer of hydroton and the wet layer.

greenhydro420 · Mar 6, 2011

id take em out n wash em n palmolive and a light bleach water mix and maybe think about gettin a fungucide

whitewidow6 · Mar 15, 2011

New pics, i`ve changed the tank and the hydroton .. had some leacking and some mold problems...

But i think it`s all good now

They are 33 days old...

peace

greenhydro420 · Mar 19, 2011

they look good n healthy,keep it up!!

Plant Problems! Please help .Pertaining to Leaf Burn

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