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Leaves
WEedwardstarted grow question 6 months ago
For grow newbies it is pretty hard to figure what the leaves are telling.
What is wrong with my plants? Not enough Kalium? To much water? Normal age signs?
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Organomananswered grow question 6 months ago
Nothing to do with water or aging, this is a calcium deficiency.
You can increase your dosage of cal/mag quite safely, but at this late stage, there will be little sign of improvements before harvest day.
Increasing the cal/mag will help prevent the situation from getting too much worse, but the already damaged leaves will not recover.
No need to remove the damaged leaves, only remove them once they are nearly all yellow.
Remember, what is showing in the leaves now, is a direct reflection of what was occurring in the root zone 2-3 weeks ago, so judging by the pictures, this deficiency has been manifesting itself for roughly 4 weeks already.
AsNoriuanswered grow question 6 months ago
calcium deficiency and lockout from too much nitrogen, thats how it looks, could be ph drift or watering issue too, but calcium and overfeeding is first thing i would say.
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modmyplantsanswered grow question 6 months ago
Water problems dont come without dropping leaves, either the plants get too much water and leaves are too heavy for the plant or they become too weak to hold their own structure, this happens inbetween hours of wrong waterings.
You can check where on the plant it occurs, if its next to your light, its the light. But then all leaves should look the same, if there are healthy ones next to it, its something else.
Normal age signs would appear on the oldest leaves, the ones that are the lowest on your plant, not on the canopy
Its probably a deficiency, wouldnt say its potass UNBF UANFA what ever the word is, its phosphorus i guess.
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