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After repotting from 1 to 5 liter airpots the first deficiencies became visible. The plants turned yellow at the lowest leeves.
It seems a cal mag deficiency so I turned up the BioBuzz CalMag nutrients. After 1 day after watering the plants already looks happier.
I also topped the plants for the first time.
This is the first week that the plants have been under the Telos Mesh pro 6 lights and I notice that the plants grow much faster. The lights seems to do very well (80cm above canopy on 100%).
I see some very small black spots on leaves. Shiny black spots. I have no idea what it is and I don’t see any insects. It is noticeable especially on leaves that start to get yellow.
Any idea what is is and how to prevent?
In the two images you have provided there is no WPM that I can see. Ignore the milk wash it wont do shit for you. The white stuff is damaged leaves and faecal matter.
This all boils down to a thrip infestation! thats what there damaged leaves look like.
You need to kill the thrips, the little yellow bugs in the photo you took show them, they are small and annoying. Sometimes they are black or grey, these ones are yellow.
Given you have just entered flower you options are limited but not zero, soap n water can work but needs to be rinsed off. Also Permethrins would work.
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Best Of Luck!
I see some thrips again. Should I buy predator mites again with just a couple of weeks to go before harvest?
As the mites are quite expensive Im not sure if it is necessary.
RootsmanNL
