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Just noticed a couple of leaves on one plant are s...
DixonCiderstarted grow question 5 years ago
Just noticed a couple of leaves on one plant are showing some ‘yellow’ spotting. Tried to diagnose but I am unsure what it is.
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Frodoanswered grow question 5 years ago
PH fluctuations or a beginning of root rot, have you checked the pH and color of the roots?
NobodysBudsanswered grow question 5 years ago
raise your pH as first try to increase Ca availability.. i bet you provide enough and it is pH related.
think of ~5.5 for hydro as a guideline that should be disregarded when you see problems. my hydro fertilzier specifically says to use at 6-6.5. They know better than bro-science on web. they have phDs and labs and tests.. et al..
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Fruitgroweranswered grow question 5 years ago
It looks like magnesium deficiency to me. Give that a Google and see if it matches your plant. Easy to fix. If not I suggest check for bugs under the spots....!👍🌱
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Nor_Cal_Kannablissanswered grow question 5 years ago
leaf septoria is characterized by yellow and brown spots forming on both the upper and lower sides of leaves. The spots tend to be circular with dark brown margins and tan or greyish centers. They usually measure between 1.5 to 6.5mm.
If this seems like what you got look into it. Here's a link.
https://www.royalqueenseeds.com/blog-leaf-septoria-yellow-leaf-spot-on-cannabis-plants-n678
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