Week 6 flower looking like week 3/4

[Dirrtybirdy]

So I'm on the first day of week 6 of flower and the development of the buds are not as they should. It actually looks like they're in week 3 or 4. I am running half Jack's and half mega crop.

Here are the stats of the room
Room temp is 81 degrees
Lead temp is around 78degrees(+/- 1 degree)
Room humidity is 50-55%
Grown in rockwool
Spectrum king sk600 1000w led

Jacks side
1.4ec
6.0-6.2 ph

Megacrop side
1.4ec mega crop
. 2ec sweet candy
. 4 bud explosion
Total 2.0 ec
6.0-6.2 ph

Now the thing is in weeks 3 and 4 I was running the room at 83RT and 75%RH. I researched vpd and thought I could run that climate all the way through. At the beginning of week 5 I noticed that the it wasn't doing much so I switched it to the current climate.

My question is, can I still save this round? Would I have to go back to week 4 feed or just keep going and harvest when the plant is ready?

Any help is appreciated! Thanks!

Sorry if thread is redundant. I've looked the 8-10 pages in the search feature but didn't really see anything that helped.

 

[f-e]

Just 1.4 with a 600w led? Interesting that they are not showing any deficiency signs. Tiny buds though. What is it? I reckon it will be a nice smoke, from all the resin forming right out on the leaves. Some plants just don't yield though.

Is the light proven to work, Or proven to use electric. Tiny buds, low feed requirement, unknown light to me. Could it be useless?

 

[Dirrtybirdy]

Just 1.4 with a 600w led? Interesting that they are not showing any deficiency signs. Tiny buds though. What is it? I reckon it will be a nice smoke, from all the resin forming right out on the leaves. Some plants just don't yield though.

Is the light proven to work, Or proven to use electric. Tiny buds, low feed requirement, unknown light to me. Could it be useless?

This is my second time running blue dream. First grow was decent, the ac cradled out on week 8 and almost killed most of the plants. They definitely weren't this small at this stage. Since I'm running 2 different nutrient lines, I think it was the high temp and humidity that stunted the plants. I'm just worried they're not going to grow anymore or if it's just going to need to be prolonged.

Lights are 1000w leds

 

[bushed]

I would check for mites, if it was temp they would probably look more fried. Just an idea.

 

[Dirrtybirdy]

I would check for mites, if it was temp they would probably look more fried. Just an idea.

No spider mites and a very tiny amount of PM. What kind of notes should I look for? Never really had anything else...

 

[f-e]

Quick search shows other posters with this kind of problem, this year. It's possible the high RH reduced feed uptake a bit, but there is no sign of it. If anything, under the lighting used for the pics, it's quite dark green. A trait associated with some pheno's and likely where the name comes from. Loading up on N delays flowering though, or you could be low on P. Darkening is an early sign of that though, with hints of blue. Same as the strain shows anyway.

I imagine they might go to 10 weeks, but also in the blur I see quite a few brown hairs. A sign of over feed, often mistaken for maturity. It's blurry though, I could be seeing things that are not there. Plus with an ec of just 1.4 you really should be getting underfeed signs using decent leds. Not browning hairs. A sign of choking them.

No real answer for you, but Perhaps I have touched base somewhere

 

[Dirrtybirdy]

Quick search shows other posters with this kind of problem, this year. It's possible the high RH reduced feed uptake a bit, but there is no sign of it. If anything, under the lighting used for the pics, it's quite dark green. A trait associated with some pheno's and likely where the name comes from. Loading up on N delays flowering though, or you could be low on P. Darkening is an early sign of that though, with hints of blue. Same as the strain shows anyway.

I imagine they might go to 10 weeks, but also in the blur I see quite a few brown hairs. A sign of over feed, often mistaken for maturity. It's blurry though, I could be seeing things that are not there. Plus with an ec of just 1.4 you really should be getting underfeed signs using decent leds. Not browning hairs. A sign of choking them.

No real answer for you, but Perhaps I have touched base somewhere

Yeah, I saw that post. Didn't think anyone got to the bottom of it either and it just died out. The hairs started to brown out a few days ago. I think when I lowered the RH and RT.

I could be wrong, but I have not seen any signs of deficiencies. I think the feed is OK and I think just having the room at a high temp/humidity really stressed it out. The first 3 weeks were great, but when the flowers started to get to the point where it's at right now, they pretty much stopped growing.

I think that they put on a little bit more size than a couple days ago though. Idk probably just wait it out. Lol just wanted to see if anyone had any suggestions for future reference

 

[Deke]

"Not browning hairs. A sign of choking them."

Can you clarify this?
I have 2 plants that are at 64 days and one is a WW and the other a BB Domina. Both have zero colored pistols, but the other BB is coloring up nicely ( trichomes are cloudy as well) and the other WW has completely quit flowering as of about 2 weeks ago.

 

[f-e]

The VPD graphs I have seen, I have to presume, are plotting leaf temperature against RH.

If we think sodium, the leaf temperature could be higher than the surrounding air. You have seen a hot drink in a cold place steaming away.

If we look at leds, the leaf will be colder than the surrounding air, as it is basically sweating. Does the hot drink steam so much, when the air around it is hotter than the beverage.

K is a common enough deficiency. It's involvement with stomata opening, and thus plant cooling, is where we see it lacking. With the leaf extremities torching. Under led, I have heard people talk on N,P,Ca and mg deficiencies. All the main ones except for K.

These graphs of temp V RH are not telling us our VPD under led lights, in my opinion. I have just exploited the virtues of leds, and got my RH up into the magic zone, where I couldn't reach with my hid's. Plants hated it. Couldn't drink. Sat there draining every bit of feed from the fertigation, and stripping the Ca+mg cations from the coco to. Fertigating at ec 2.1 wasn't enough, because I couldn't get a second fertigation to them before the food run out. They would of been permanently wet through.


This is just this weeks thoughts on the subject, as I evolve my methods of led growing. While using mainstream examples of what else should work. My plants turned a huge corner when I dropped the RH, from omg that's shit, to ain't that lovely. With a 10% drop in RH. Though that might not be the only significant change, as I'm battling on a few fronts.

It stands to reason, that your 75% could of slowed them down as you suggest.



Deke, some white strains don't cloud up. The widow can be one of them. The Domina is a mixed bag, but can show a LOT of colour. I was just talking about the white hairs though. If they take on a lot of feed, they can be browning off at 4 weeks. I knew a domina grower who always chopped at 4.5 weeks. Convinced it was a 4.5 week strain. Thing is, I gave them the cutting, and while it was very fast, they were in fact just killing it. Well, killing it for me anyway. They and their friends thought it fine. It was a 6.5 week pheno and would just sit and do nothing if left longer. Getting ruined by feeding it well past it's due date. Feed it couldn't use.

At 64 days, I would be chopping it down anyway. You could go another week, if we simply use a calendar as guidance. But I won't risk things going over the hill, and it's certainly not too early. I presume it was a fruitful grow of buds that look ok, but at 9 weeks it is what it is anyway. Get them out, and your next seedlings in. The calendar says so. Both your plants are known to just stall and go off, not finish off, if you're expecting to watch the trichs.

 

[Grassizgreener]

U running co2 with those temps n humidity? If not would suggest dropping temps mid 70’s n humidity around 50’s. Also the strain doesn’t look like blue dream...

 

[TanzanianMagic]

So I'm on the first day of week 6 of flower and the development of the buds are not as they should. It actually looks like they're in week 3 or 4. I am running half Jack's and half mega crop.

Here are the stats of the room
Room temp is 81 degrees
Lead temp is around 78degrees(+/- 1 degree)
Room humidity is 50-55%
Grown in rockwool
Spectrum king sk600 1000w led

Jacks side
1.4ec
6.0-6.2 ph

Megacrop side
1.4ec mega crop
. 2ec sweet candy
. 4 bud explosion
Total 2.0 ec
6.0-6.2 ph

Now the thing is in weeks 3 and 4 I was running the room at 83RT and 75%RH. I researched vpd and thought I could run that climate all the way through. At the beginning of week 5 I noticed that the it wasn't doing much so I switched it to the current climate.

My question is, can I still save this round? Would I have to go back to week 4 feed or just keep going and harvest when the plant is ready?

Any help is appreciated! Thanks!

View Image
View Image

Sorry if thread is redundant. I've looked the 8-10 pages in the search feature but didn't really see anything that helped.

1. The plants look fine.

2. Even the fanleaves are covered with trichomes.

3. You probably just need a little more silica and a micro-nutrient complex - 0.1 EC of each to start. Resin is made of silica, so if the plants produce a lot of trichomes, they might run out. Also, the cannabinoids are indirectly produced by micro-nutrients. If this was soil I would say Mineral Magic silica clay which also has many micro-nutrients. In hydro sea minerals or ionic sea minerals for micro-nutrients (especially high in manganese for THC) and for instance AN's Rhino Skin for silica.

So because the plants are basically ok, we're just talking about a minor tweak.

 

[Dirrtybirdy]

The VPD graphs I have seen, I have to presume, are plotting leaf temperature against RH.

If we think sodium, the leaf temperature could be higher than the surrounding air. You have seen a hot drink in a cold place steaming away.

If we look at leds, the leaf will be colder than the surrounding air, as it is basically sweating. Does the hot drink steam so much, when the air around it is hotter than the beverage.

K is a common enough deficiency. It's involvement with stomata opening, and thus plant cooling, is where we see it lacking. With the leaf extremities torching. Under led, I have heard people talk on N,P,Ca and mg deficiencies. All the main ones except for K.

These graphs of temp V RH are not telling us our VPD under led lights, in my opinion. I have just exploited the virtues of leds, and got my RH up into the magic zone, where I couldn't reach with my hid's. Plants hated it. Couldn't drink. Sat there draining every bit of feed from the fertigation, and stripping the Ca+mg cations from the coco to. Fertigating at ec 2.1 wasn't enough, because I couldn't get a second fertigation to them before the food run out. They would of been permanently wet through.


This is just this weeks thoughts on the subject, as I evolve my methods of led growing. While using mainstream examples of what else should work. My plants turned a huge corner when I dropped the RH, from omg that's shit, to ain't that lovely. With a 10% drop in RH. Though that might not be the only significant change, as I'm battling on a few fronts.

It stands to reason, that your 75% could of slowed them down as

They're slowly starting to recoup from the off climate(high humidity) I read somewhere that high humidity can stunt the plant in flower. It also causes all the white hairs to turn brown. Not 100% sure if that was the cause but I'm leaning towards that.

I think it's been about a week since switching the humidity down to 50% and temp to 78 degrees. The plants are growing white hairs again and started to get bigger, albeit slowl(at least they're growing again) Lol.

I think I'm going to let this go for a couple weeks extra and see where it goes

 

[chronic82]

They got overfed in early flower. They’re in lock out mode now. Just Finnish them up and focus on the next crop