29/08 - First day in week 8. The plant had an amazing stretch in just one week! Very pleased to grow this strain.
31/08 - The plant is drinking a lot! Continuing with LST and rotating the pots trying to even the canopy. The stretch continues.
02/09 - Did a heavy cleaning for better energy distribution. Struggling with the RH, very dry here. I'm watering every other day with 2l of water. The stretch continues.
04/09 - Last day in week 8. The plant is stretching well. Did a little research in other diaries from the same strain and seems that the problems that I had in the previous weeks delayed its development by 1.5-2 weeks.
Only on one leaf of one plant. Is this some fungus or virus?
It looks a bit like coffee rust, but I couldn't find anything else like it.
How should I proceed?
Thanks in advance!
Pretty certain this is Leaf Spot Fungus otherwise known as Rust Fungus... and you'll need to jump on this quickly as it spreads fast... it spreads by spores that you can't even see so don't think you've got any time to waste here... I won't go into all the details of what you need to do as this article is very thorough.. Do give it a read and get going so you don't lose your entire grow...
https://www.urbanorganicyield.com/rust-spots-on-leaves-during-flowering/
Good luck!