Random Weak buds

[kiwiboy]

I am getting some plants that have weak bud delevopment while others even right next to the weak ones are delevoping fine.

Growing in a 4x5 room with 2 x 600w hps.

Nutes are Canna Coco A+B with 0.5ml per litre PK13-14 and 0.5ml per litre Rhizotonic. EC is taken out to 2.2EC.

Perpetual grow with 16plants every 2 weeks, 80plants in total SOG.

temps are around 20 - 24 Degree C with Humidity at around 55%-80%

5weeks and happy bud

5week and sad bud, which is right next to the happy bud.

Same two as above, but together.

same sad bud, different angle

happy bud

Room Pic, which seems to make the room look better than it is.

 

[El Toker]

That's a nice looking grow room. You'd get much better photos with the HPS lights turned off.

Are they all clones of one plant, or have you got a few different mothers?

 

[kiwiboy]

The clones are from two mothers which are sister clones from the orginal. I do have a couple of mothers of a different strain that I have not been using for awhile. But have just started to use in the last couple of weeks, they wont get into the flower room untill next week.

 

[kiwiboy]

re: taken photo the photo's.

Gets pretty dark around the room without the HPS on.

I have just only worked out how to fix the white balance after taking those pics. So the next lot will look better.

 

[cyberwax]

what kind of system are you running, what is the ph of the water, give out the details and a clearer picture might be set.

But i have seen this before tho, and if i were to guess i would say your running your nutemix to hot, but again i need to know what system you are running(dwc, nft, etc).

 

[kiwiboy]

The system is using coco coir as a medium.

Using drippers once a day. It all drains back to a rez that gets replaced with a new mix twice a week(100ltr at a time). PH is around 6.0

 

[cyberwax]

wich way does the ph float? and are you sure your nutrient mix aint too strong?

 

[Grendelkhan]

Could be that those plants that are having problems didn't get as mature as the others. Sometimes I have plants that really didn't get a good strong set of roots and that's the type of growth I see when they are like that. I just happens. Next time try and give them a little more veg time before flipping them. For right I would cut them down and make more room for the ones that are working for you.
Good luck
Gkhan.

 

[kiwiboy]

Just been down to check Ph and ec. PH is on 5.0, shit that is abit lower than I expected.

And EC is on 1.8.

When I put the plants in the flower room, the root delovopment is filling in a 3/4 PB bag.
I am Growing in a SOG style, so the plants get 1 to 1.5 weeks veg from the date that roots show through the jiffy 7 puk.

 

[kiwiboy]

I have just changed the rez tank. Ph is now on 6 and EC is on 1.8.

I'll keep the EC on 1.8 from now on and see if that makes a difference.

 

[cyberwax]

I have just changed the rez tank. Ph is now on 6 and EC is on 1.8.

I'll keep the EC on 1.8 from now on and see if that makes a difference.

You really wont notice any difference on the existing ones if you find a solution, because the damage has already happened, however you will notice no new formations of buggy buds and also you can now avoid any future ones. Thing is im actually experiencing this myself in my new and fancy dwc, so next run ill be starting really low ppm wise and work my way up there. How is your nute regiment? do you just dump the res with 1400ppms(700 scale) of nutes or do you work your way up there, following the plants needs? (plant-english (tm) freezerboy)

But based upon own experiences this is to much nutes in the res, i've yet to try any drip system myself(aside from the diy mother waterer) so i have another question, does the dripper drip all the time or? A system that doesnt flood its roots with nutes all the time is less prone to nute burns even at higher nute consentrations, logically. But im not saying you should change the frequency of the dripping as i have no experience with this, but im just saying.

 

[kiwiboy]

Drippers are not on all the time. Just 1 hour per day. That is enough time to allow for plenty of run off.

 

[kiwiboy]

I always assumed that nute burn looked like the leafs had burnt tips.
I was bringing up the nute EC up slowly and watching out for that burnt tip look.
Never occurred to me to check for this kind of funky devolopment.

 

[DIGITALHIPPY]

thats a lightleak... bud-reveg-rebud is what your seeing...
ive done it before..

if your 249% sure its not then it could be very very weak light actualy getting to thoes sites. id get a lightmeter...

 

[kiwiboy]

I'll check for light leaks next light out.

 

[kiwiboy]

Just got a ph pen today. Have been using PH solution before that.

New and clean nute mixed to !.8EC has got a PH of 6.0.
I'll monitor the ph over the next three days and see if there is any change.

What is the Idea PH for Canna coco nutes with coco coir? Never worried about a precise number before because I had been using a ph solution mix, and that is not very precise.

 

[cyberwax]

Did you check for light leaks aswell?

 

[somebody041]

recently had the same problem-some plants looked fine while others just ceased bud development. a couple weeks later i found a big light leak...

 

[kiwiboy]

I have checked for light leaks. There were no light leaks expect for the dehuey has got green LED display. I have since taped over the display with black tape.


I'll try and take photo's weekly on the progress of the two plants that were pitured above.

It might be interesting to watch the delevopment of them both. See if the changes that I have taken have any impact one the damaged plant.

 

[Admiral Canna]

Yep, me thinks.....

Either light leak, nutes are too hot (which IMO is a good possiblility....some of those plants looks too small for a 1.8-2.0EC feed.) or the environment in the grow room is no good.

Hope you get it sorted.