6 Week Flowering Yellowing Ok or Not

I have 4 plants in a wilma , 2 strains are the same (church) ,1 Unknown strain , and 1 killer queen .
First off let me point out that i have been struggling with what i believe to be white powdery mildew throughtout flower , seemed to start at beginning of flower.
Now the plant im concerned about is the killer queen as its yellowing quite bad and quicker than the others and also seems to get more powdery mildew on than the rest for some reason.
I have been told she should finish between and 8-9 weeks of flower. But going by the pics below will she make it through another 4 weeks , shes only just starting the 6th week of flower? The other 3 seem to be ok with the fan leaves yellowing normally so dont really want to add anything to the rez that will affect them.
I have been wiping the leaves affected with the powdery mildew with a dilution of milton or a spray of bicarb of soda etc to try and keep it at bay but have noticed it on a couple of the trim leaves which i trimmed off. Are there any signs to lookout for if it spreads to the buds?

Plants are in 1x1x2m tent under a 600w HPS bulb.
Daytime Temps are 24-28 degrees celcius with rh 35%
Nightime temps are 19-23 degrees celcius with rh 40-50%
PH drifts from 5.4 up to 6.2 then lowered again.
EC steady at 1.3
In the rez for feed is vitalink base nutients A+B , vitalink buddy , silicone, dutch pro multi total , rot stop and evoponic forcefield.

pics are of all plants under hps , you can see the yellowing slightly against how the rest are in the last pic .
the pics taken out from the hps are of the killer queen . Does the root look ok?

Hey fat, they look pretty good overall. Your roots have a little bit of algae up top but it is the health of the roots down below that is important. Are they nice and white? The early yellowing may just be she is a heavy feeder and she faded a bit early on ya. Keep feeding her and she should be some nice smoke. You probably won't get her to her absolute highest potential, but you'll be darn close and still have some wonderful buds.

I had a little powdery mildew come in as well this year during mid flower. I haven't seen any in more than a week but I keep doing daily sprays of diluted hydrogen peroxide mixed at 1 TBS 35% H2O2 to 1 gallon water. I was rotating my daily spray between Actinovate, H2O2 and Green Cure but am just doing the daily H2O2 spray now that it seems well under control and I'm nearing harvest. A light spray of the diluted H2O2 on your up top roots will wipe out that algae as well.

Cheers, Do you just spray that on ? Or do you have to avoid getting it on the buds ?

been and got some h2o2 17.5% today at what ratio should i add to a spray thats safe to spray on.

roots underneath are nice and white

Remove the yellow fan leaves after they are at least 50% yellow. BigSteve.

bigsteve said:

Remove the yellow fan leaves after they are at least 50% yellow. BigSteve.

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I wouldnt remove any leaves despite the want to make everything pretty. can cause excess stress possible bannanas. when they want to come off they will naturally.

fatc2k3 said:

I have 4 plants in a wilma , 2 strains are the same (church) ,1 Unknown strain , and 1 killer queen .
First off let me point out that i have been struggling with what i believe to be white powdery mildew throughtout flower , seemed to start at beginning of flower.
Now the plant im concerned about is the killer queen as its yellowing quite bad and quicker than the others and also seems to get more powdery mildew on than the rest for some reason.
I have been told she should finish between and 8-9 weeks of flower. But going by the pics below will she make it through another 4 weeks , shes only just starting the 6th week of flower? The other 3 seem to be ok with the fan leaves yellowing normally so dont really want to add anything to the rez that will affect them.
I have been wiping the leaves affected with the powdery mildew with a dilution of milton or a spray of bicarb of soda etc to try and keep it at bay but have noticed it on a couple of the trim leaves which i trimmed off. Are there any signs to lookout for if it spreads to the buds?

Plants are in 1x1x2m tent under a 600w HPS bulb.
Daytime Temps are 24-28 degrees celcius with rh 35%
Nightime temps are 19-23 degrees celcius with rh 40-50%
PH drifts from 5.4 up to 6.2 then lowered again.
EC steady at 1.3
In the rez for feed is vitalink base nutients A+B , vitalink buddy , silicone, dutch pro multi total , rot stop and evoponic forcefield.

pics are of all plants under hps , you can see the yellowing slightly against how the rest are in the last pic .
the pics taken out from the hps are of the killer queen . Does the root look ok?View attachment 3278768View attachment 3278769 View attachment 3278770 View attachment 3278771 View attachment 3278772 View attachment 3278773 View attachment 3278774 View attachment 3278775 View attachment 3278782 View attachment 3278783

Click to expand...

Looks pretty nice! not to much of a problem. i would say next round give a coupple extra/heavier feedings near this time.

looks legit to me! nothing to worry about at all

Yeah Im not seeing much wrong with anything myself. If it is in that 6th week, it is nearing its lifecycle and the plant will start to yellow up and look like its dying. Give it a few days and start a good flush on that.

ok maybe start a flush in a week or so. Didn't see all the pics right away. Still has a little bit to go. probably a 9 weeker

Thanks for all your replys , started the 7th week today so 42 days in , was planning on starting to flush on the 8th November for a 10 day flush. Which would bring it to 9 weeks including flush . Still got the powdery mildew though , wiping daily whever i see it and snipping any that gets onto the trim leaves .

Powdery mildew does cause budrot if it gets into the bud? If someone could clarify?

Still using the root rot stop and evoponics force field to add good bacteria and help fight it off. Should i be avoiding spraying the bicarbonate on now this late into flower, its only a light misting every few days to try and combat the mildew?
pic took this morning of all 4 plants

Well ended up chopping early as the mildew was getting to close to the bud for my liking . I did read a post earlier stating it only affects the leaves though and not the bud . This was after id already chopped Still i got a good look at the trich`s after chop and there were more cloudy than what i originally thought and got 100g wet , so hoping for around an oz dry . Should i have trimmed closer to the buds?

Trimming is a preference thing. You could take some in a little closer but no big deal. Can still be cleaned up after they dry out. I actually keep the trim and dry it and smoke it too.