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ComfortablyDumb

Root development, all around edge of pots

20 posts in this topic

Hi folks,

 

Been doing some testing before starting another compost grow, as it's quite new to me and trying to get watering right before I start proper.

 

Just checked one after circa 2 weeks growth, roots well developed around edge but when pulled apart found very little in center. Not noticed this before, is it typical ? 

 

Plant obviously not rootbound but thought getting there. Would they have eventually grown in the middle if I'd left it longer ?

 

Thought I'd had it on a wet/dry cycle, growing well and in the death had to water daily, possibly due to temps in high 20's, never let it wilt but no sign of overwatering.

 

Anything I've done wrong or can I crack on ?  These were regs, Auto's now it little pots..

 

Cheers,

 

 

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roots will spread out laterally, being contained they'll redirect themselves which is usually down, then when they hit the bottom they'll start spiralling

 

large.20200212_124147_copy_1209x1121.jpglarge.20200212_124102_copy_1209x1343.jpglarge.20200211_150117_copy_1378x1378.jpg

 

If you're missing root mass in the middle though it sounds like you've gone in to too large a pot too quickly, I make sure to build a decent root mass and then pot in to something around twice as big.

 

Some people are tempted to pot on early with a poorly developed root mass when they notice the plant slowing down but i'll usually introduce some feed and make sure I can squeeze the pot/rootball without the spongey give you get from soil occupying the space it should be firm and should have no problems being removed from the pot.

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Root porn :D 

 

Beautiful white roots

 

 

:yinyang:

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On 18/11/2020 at 3:20 PM, Exhale said:

roots will spad out laterally, being contained they'll redirect themselves which is usually down, then when they hit the bottom they'll start spiralling

self adjusting spanner

 

If you're missing root mass in the middle though it sounds like you've gone in to too large a pot too quickly, I make sure to build a decent root mass and then pot in to something around twice as big.

 

Some people are tempted to pot on early with a poorly developed root mass when they notice the plant slowing down but i'll usually introduce some feed and make sure I can squeeze the pot/rootball without the spongey give you get from soil occupying the space it should be firm and should have no problems being removed from the pot.

 

Very nice M8, must take another look at your diary..

 

These are starter pots 0.5 ltr, about 16days from seed, not quite on par with what you've shown but were getting there, around the edge that is, the core was defiantly lacking.

 

Quite surprised with this, but there again I don’t usually rip the roots apart. :no:   Just curious really, plant was growing well so probably down to watering somewhere along the line, possibly too dry at times ?

 

But thanks, won’t be doing it again so will probably never know..

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56 minutes ago, ComfortablyDumb said:

These are starter pots 0.5 ltr

 

That's quite big for a starter pot I only use a 7cm/3" square/round pot to start

 

large.5fb2702add9e2_161120PsychoAnimalStomperxMAC1.jpglarge.5fb2702ce144c_161120PsychosisBX2.jpg

 

These are much bigger now after just a few days and still haven't quite rooted out the pots.

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2 minutes ago, Exhale said:

 

That's quite big for a starter pot I only use a 7cm/3" square/round pot to start

 

They're the one's, 3" square.  Checked them out a while ago and I thought they took 1/2 liter volume, I'll check again..

 

2 minutes ago, Exhale said:

 

 

These are much bigger now after just a few days and still haven't quite rooted out the pots.

 

When they do fancy ripping them apart lol

 

Do you think they may have got too dry ?

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11 minutes ago, ComfortablyDumb said:

When they do fancy ripping them apart

 

This is why I'm giving them more time and feeding them, I can feel the bottom of the pot is firmer but coming halfway up there's a bit of squeeze, the pots are also still taking days to dry with just a 50ml irrigation of each plant

 

11 minutes ago, ComfortablyDumb said:

Do you think they may have got too dry ?

 

I think you're not giving them enough time, i'm at 14 10 days since these broke the surface and they've still not fully rooted the pot

Edited by Exhale
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59 minutes ago, ComfortablyDumb said:

Do you think they may have got too dry ?

Possibly not left to dry out enough before re-waterind, 

difficult to tell without feeling the weight of the pots. 

 

 

:lucky:

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23 hours ago, Exhale said:

 

 

I think you're not giving them enough time, i'm at 14 10 days since these broke the surface and they've still not fully rooted the pot

 

Sure you're right and I would have if I was going to grow it out but it was begining to need feed so decided enough was enough.

 

Just expected more roots at the core, guess they grow from the outside in lol

 

Cheers ,

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They do effectively grow from the outside in, they send there roots outwards, they are trying to get as far as possible to reach water in a natural setting, if they then hit on obstacle they sort of bounce back, so in a pot they will go out to edges of the pot and then head around them and back to the centre when they have no where else to go. Its common with all sorts of recently potted plants to find a lot of roots on the bottom/sides of the pots but not much inside yet, they have to be pot bound for a while to do that. Its why with photo plants the potting up works well, you want the roots to be pot bound for long enough that they populate the central soil, before moving on to the next pot size (if that makes sense, I'm half asleep and stoned), if you repeat that process with the right timings and the right pot size increments, you will end up with a much greater mass of roots in your final pot size, bigger roots=bigger plant=bigger yield.

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22 hours ago, Shumroom said:

Possibly not left to dry out enough before re-waterind, 

difficult to tell without feeling the weight of the pots. 

 

 

:lucky:

 

Possibly, I was letting it get pretty dry to see how far I could push it. Never did wilt though so maybe not enough..

 

This was the reason I was running the test, never quite sure about watering seedlings.

 

Some say to get on a wet/dry cycle from the off, others, like @Exhale, water little and build up. I've been more inclinded to do the wet/dry but perhaps I should re-think that.

 

Maybe it depends on the type of compost ?  I was using "sandy stuff" which when too dry was a pig to re-hydrate and cause all sorts of problems for me.  Now on Clover which is a peat base which doesn't seem to dry out so much and takes the watering much better, but still not sure :headpain:

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24 minutes ago, btk1977 said:

They do effectively grow from the outside in, they send there roots outwards, they are trying to get as far as possible to reach water in a natural setting, if they then hit on obstacle they sort of bounce back, so in a pot they will go out to edges of the pot and then head around them and back to the centre when they have no where else to go. Its common with all sorts of recently potted plants to find a lot of roots on the bottom/sides of the pots but not much inside yet, they have to be pot bound for a while to do that. Its why with photo plants the potting up works well, you want the roots to be pot bound for long enough that they populate the central soil, before moving on to the next pot size (if that makes sense, I'm half asleep and stoned), if you repeat that process with the right timings and the right pot size increments, you will end up with a much greater mass of roots in your final pot size, bigger roots=bigger plant=bigger yield.

 

Cheers m8,  that's what I wanted to know. All good to go then..

 

Unfortunately this lot just gone under lights are Auto's so a new set of problems lol

Edited by ComfortablyDumb
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18 minutes ago, ComfortablyDumb said:

 

Cheers m8,  that's what I wanted to know. All good to go then..

 

Unfortunately this lot just gone under lights are Auto's so a new set of problems lol

 

:yep:

 

Yeh its a different kettle of fish with autos (which I'm getting accustomed to as the vast majority of my grows have been photos). When you pot up you do some damage to the roots, which isn;t an issue with photos as you control the length of veg so you can give them the time they need for any root damage to recover from the potting up before you let them flower.

 

With autos you don't have enough veg time for that so the potting up does more harm than good. I seriously messed up the yield with my first auto grow as I potted up 3 or 4 times. This time they were meant to go straight into their final pot size, although I then decided my pots (6l) were too small, so I really carefully potted them up during the start of their second week (seems you have a bit of leeway during the first week or two). Most of them have done fine, but I;ve got one girl who is struggling a bit and I'm pretty sure she;s the one where the rooted soil broke up on me while transferring to her new pot, so will have had more noticeable root damage.

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I haven't yet tried this myself but there was a thread around a week or two ago where someone suggested starting an auto in a small pot with the bottom cut off and buried in the final pot.  Then you just water the smaller pot until it's big enough to take water in the bigger pot.  I hate having to transplant them at just under 2 weeks because the root-balls often aren't developed enough to hold together.

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49 minutes ago, OctoMan said:

I haven't yet tried this myself but there was a thread around a week or two ago where someone suggested starting an auto in a small pot with the bottom cut off and buried in the final pot.  Then you just water the smaller pot until it's big enough to take water in the bigger pot.  I hate having to transplant them at just under 2 weeks because the root-balls often aren't developed enough to hold together.

 

That's a really good idea, think I'll do that for the next grow. I don't like them being straight into huge pots as the watering is a pain, equally as you say the transplanting is tricky. I found that watering them half an hour before hand helped keep the soil clumped around the roots, the one plant where the soil fell apart on me and there must have been some root damage (that's the one plant that hasn't been very happy for a couple of days) was one I did the day after watering, but the chop the bottom of the pot trick would carry far less risk.

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