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Begin of week 3 and barely any growth last week. Some signs of problems showing - purple leaves, stunted growth, droopy leaves, brown spots.
EC has been 0.8 since week 1 - no new nutrients added. EC probably too high for plants of this age.
They have had to deal with stress from humidity and temperature dropping a bit low while I 'tuned' the grow tent conditions (18C and 35%!)
Biggest problem has probably been over watering. EC has been 0.8. Day 5 in the week I changed the resevoir and gave them only water for a day before adding nutes. This was because I was told they had nutrient burn but day 8 and they still look fucked.
In the last day of the week I fucked up. I diagnosed what I thought was calcium deficiency so gave the plants 5ml of vitalink calmag. I did not check pH after (the nutes I have used so far have not altered pH much) but found the plants the next morning looking much worse and the pH was 6.5.
Hopefully this week the plants can have some stress free growth and recovery.
These plants havn't had the best start. I followed the house and garden feed chart but used roots gold instead of silver. Imonitored ph, temp, EC, humidity often, everything was good.?
everything you've mentioned sounds like a phosphorus deficiency (Purplish Or Reddish Leaves and Stem, and Stalled Growth). To fix this issue flush your system with clean, pH’d water that contains a regular dose of nutrients that includes phosphorus. This will remove any nutrient salts that may be affected the uptake of phosphorus and help restore pH to the proper levels.
Please help diagnose problems in the "one week later" pictures. EC 0.7,pH 5.6 - 6.0. Humidity 47-55%. 1-2cm distance from basket to water, high air flow... Not sure what is going so wrong. Over watering? Nutrient shortage? Brown spots on leaves. New growth curling, dark and slow
Looks like it could be Ca or Mg deficiency.
source:
https://www.thcfarmer.com/threads/there-is-no-such-thing-as-a-cal-mag-deficiency.62747/#lg=attachment393229&slide=0
Removed two plants that had suffered too much stress and were not growing.
Remaining two plants topped to 5th node, LST on main lower branches.
Had to remove some weak branches with dead leaves. They were weak from nutrient defiency. Newer growth is green and healthy looking (compared to before).
The larger plant doesn't look too bad for a 5 week old. The other one is slow
Using LST on select branches to try get it to take up more space. May begin scrog in a week or 2.
They are sharing the grow space with a White Widow which is 2-3 weeks younger but just as big already!
Done my best at trimming the leaves. I took about the bottom third off and also large fan leaves and fan leaves that appeared to have no further growth from that stalk.
This is my first go at this so all feedback and help to improve is welcome.
I also have used some wire to LST by pulling branches down tand out to the sides to take up wider space.
Trimming the plants revealed just how small and stunted plant 2 is by comparison.
Please advise me on final pruning before flower. In the picture you can see some big fan leaves without budsites and many younger leaves which appear to be with budsites. I want to know what to trim and what to keep
At the start of the week I have lollipopped bottom up to remove all small shoots and branches from the lower third of the plant. The canopy has a lot of fan leaves and is much bushier than I have seen in other peoples final, pre-flower trim. I need to learn how to do this better. I am just going to see what happens now.
I am giving the plants 1-2 days to recover from the stress and then I am switiching to 12-12 to initiate flower.
On photo 2 it seems like bananas, cut them of and keep watching. My friend had hermies too and we watched them every day and we cut them when they appeared. Now he harvesting and it seem good
47 days into flower. This strain should flower for 56-63 days. Under digital microscope I can see some darker spots in the trichomes though so I want to ask if these are due to harvest?
I would keep as you are for about 5 days then most likely start a 2 weeks flush. Looking real good. Last few weeks is where they will really fatten up and trichomes will go cloudy.
as seen in last weeks close ups, trichomes with amber heads and cloudy, shiny appearance to buds.
Flushed for 4.5 days in pH water snd thej just tap water. Final EC 0.3(tap water here is 0.2)
Dr Widow from londonseedcentre.
Absolutely massive yield. I got 7oz and threw away 3 or more on top of that because of mold and that is just half of a 1m2 tent.
The plant foxtailed all over and did not make dense buds. Temp got too high so probably my fault. Good yielder but no intention of doing it again
thebiologist
