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Leaf issues! Please advise.

Kirsten
Kirstenstarted grow question a month ago
Does anyone know what the problem is with this? I've cut it off as it was shading other bud sites, but there are others in the new growth at the top of the plant. The plants are in late stage of flower, Fat banana autoflowers. Any advice / insight would be greatly appreciated! 😊
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Organoman
Organomananswered grow question a month ago
Potassium deficiency.
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AsNoriu
AsNoriuanswered grow question a month ago
all npk i would say ;) verge - usually potassium, some spots of necrosis is massive, so guess phosphorus is needed too, purple stem - either too intense light ( but leaves with many fingers, so bottom one) . so its potash, phosphorus or magnesium. i see a bit striping too in leaf downgrade, so would guess magnesium is needed . you in flower , plant is hungry. thats my look from one photo. attach diary, provide more info in question.
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