problem plants ....... any ideas

Liamp1603

Liamp1603

Well-Known Member
hi any ideas what the cause of this is 4th week of flower yellowing really bad tried flushing thru water to get rid of salts but as soon as i feed nutes it goes yellow ? soil is coco, canna a and b 40 ml pro xl bloom 2ml to 8 litres any ideas ????
 

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hotrodharley

hotrodharley

Well-Known Member
Liamp1603 said:
hi any ideas what the cause of this is 4th week of flower yellowing really bad tried flushing thru water to get rid of salts but as soon as i feed nutes it goes yellow ? soil is coco, canna a and b 40 ml pro xl bloom 2ml to 8 litres any ideas ????
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Yellowing in the middle? Phosphorus deficency. On the bottom of the plant? Needs nitrogen. Be cautious on nitrogen.
 
rhys2018

rhys2018

Member
I use full canna range and never had any problems like this try feeding a little more..also might want to cut back the massive fan leafs.
 
B

Beachwalker

Well-Known Member
Liamp1603 said:
hi any ideas what the cause of this is 4th week of flower yellowing really bad tried flushing thru water to get rid of salts but as soon as i feed nutes it goes yellow ? soil is coco, canna a and b 40 ml pro xl bloom 2ml to 8 litres any ideas ????
Click to expand...
I am not a Coco grower but I see this often in Coco (which is why I'm not a Coco grower) my guess is this:

https://www.growweedeasy.com/zinc-deficiency-cannabis

But the bigger problem is why are you locking out?, information on ph in & out and runoff ppm would help, good luck!
 
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