Issue with one of the plants/deficiency?

ReggieDobson

Active Member
Hi,

I’m running autos in canna terra pro plus soil, Im guessing they’ve got approximately 4 weeks left to be finished. Temperature and other conditions are spot on, other plants doing well except one. It had a little nute burn in 4-5 week, I wasn’t feeding it tho it’s just that soil is a bit too hot for autos I guess, anyways I’ve fed them maybe twice with very little dosage of bloom nutes since she’d begun flowering and than I’ve just been giving her little cal mag agent and just the water as the leaves are dark green I suppose so I didn’t want to burn her. I gave her plenty of water 6.7 ph today with nothing else, just plain water. I’ve checked the run off at first was 6.9.
Now I’m wondering if she’s not lacking the potassium as them top leaves looks like deficiency but on the other hand leaves are dark green, I don’t think it’s a nute burn as I haven’t fed her almost at all except them two or maybe three times (can’t remember exactly but haven’t gave her too much nutes tho, just bit of cal mag) so I’m thinking whether I should just carry on with plain water for next few waterings or just start lightly feeding her with bloom nutes as it might be some form of deficiency ? Any help much appreciated.
 

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Phytoplankton

Well-Known Member
Based on your statement that it’s been a while since you fed her, I think I’d start back on the bloom nutes, but not at full strength try 1/2 strength then after a week or so see how it handles.it and then adjust accordingly. IMHO, I think there’s a lot more overfeeding causing issues than there is underfeeding causing issues.
 
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