Plant Moisture Stress - symptoms and solutions - Page 40

Katatawnic · #**391** 08-28-2009, 06:45 PM

Seems like you were able to read this thread, else you wouldn't be able to say whether or not he knows his stuff.

hostile · #**392** 09-01-2009, 02:08 AM

UB, please help my plants have a severe issue that has me stumped. All of the leaves are starting to completly die. They seem to be dying back to the stem but the stems are still green.

Uncle Ben · #**393** 09-01-2009, 11:47 AM

Quote:

Originally Posted by hostile

UB, please help my plants have a severe issue that has me stumped. All of the leaves are starting to completly die. They seem to be dying back to the stem but the stems are still green.

Tell me what your day to day activities are and then I might have a stab at it.

hostile · #**394** 09-01-2009, 12:17 PM

Quote:

Originally Posted by Uncle Ben

Tell me what your day to day activities are and then I might have a stab at it.

UB, water every 2-3 days, ph never above 6.5, ppm averages about 800.

My room temp has been around 95 degrees with a few days above 100.

I have gave them nothing but straight water for the last few feedings.

I left for 3 days came back and my pots were still wet. Im thinking I have a root issue.

one more thing my water temp was reaching the 90's also so I started to fill my container half way then filling it the rest of the way before watering to keep the temp down. All the leaves along the buds have died all the way to the bud.

Please help I dont want to lose this crop.

Uncle Ben · #**395** 09-03-2009, 07:55 AM

Quote:

Originally Posted by hostile

UB, water every 2-3 days, ph never above 6.5, ppm averages about 800.

My room temp has been around 95 degrees with a few days above 100.

I have gave them nothing but straight water for the last few feedings.

I left for 3 days came back and my pots were still wet. Im thinking I have a root issue.

one more thing my water temp was reaching the 90's also so I started to fill my container half way then filling it the rest of the way before watering to keep the temp down. All the leaves along the buds have died all the way to the bud.

Please help I dont want to lose this crop.

Pot still wet? Yep, it's a root issue. Not enough roots left to wick moisture out of the soil and the loss of leaves just exacerbates the problem (your "wicking" transpiration unit is gone). Pop a plant out and take a look at the rootball. If the roots are bad, sorry to bring you the bad news but there is no hope for a recovery.

Water only when the pot feels light to the lift, but, do not allow the soil to get to the point to where the plant looks stressed i.e. droopy leaves.

Good luck

hostile · #**396** 09-03-2009, 11:27 AM

Quote:

Originally Posted by Uncle Ben

Pot still wet? Yep, it's a root issue. Not enough roots left to wick moisture out of the soil and the loss of leaves just exacerbates the problem (your "wicking" transpiration unit is gone). Pop a plant out and take a look at the rootball. If the roots are bad, sorry to bring you the bad news but there is no hope for a recovery.

Water only when the pot feels light to the lift, but, do not allow the soil to get to the point to where the plant looks stressed i.e. droopy leaves.

Good luck

UB, I did pull one and the roots extended all the way to the outside of the soil although not thick they really dont look any different for any other plants I have done. I agree there is an issue do you think not letting my water sit for 12-24hr period could also have something to do with this? I also checked my run off my ph 6.53 ec 2100 and ppm 1200. I have been giving them straight water for about 3 feedings now. I appreciate your imput. Hos

Ps: the pots only atay wet for 2-3 days and I never water until they are light never droopy just light.

Uncle Ben · #**397** 09-04-2009, 06:41 AM

Quote:

Originally Posted by hostile

UB, I did pull one and the roots extended all the way to the outside of the soil although not thick they really dont look any different for any other plants I have done.

Do they look like photos #8 & 10 in this thread? Spin-Out for chemical root pruning
If not, then that still may be your issue. The leaves are not being supported for some reason - insufficient water uptake, abuse of high P foods, insect issues, etc. Could be multiple things, one or more.

Quote:

I agree there is an issue do you think not letting my water sit for 12-24hr period could also have something to do with this?

No. What is your water source and why are you letting it sit around? Ya gotta ask yourself as you go thru life, "is this a feeling, or is this a fact." Enough of the philosophy.

Quote:

I also checked my run off my ph 6.53 ec 2100 and ppm 1200. I have been giving them straight water for about 3 feedings now. I appreciate your imput. Hos

And what were you giving them before?

Quote:

Ps: the pots only atay wet for 2-3 days and I never water until they are light never droopy just light.

You know long my pots stay "wet". For about 8 hours, and that's in a 3 or 5 gallon pot. When they are ramping up, they require a liter twice a day. I have the abundant leaf mass to wick off alot of soil moisture. Side bennie is it produces alot of bud too.

Tio Bendejo

hostile · #**398** 09-04-2009, 04:05 PM

Quote:

Originally Posted by Uncle Ben

Do they look like photos #8 & 10 in this thread? Spin-Out for chemical root pruning
If not, then that still may be your issue. The leaves are not being supported for some reason - insufficient water uptake, abuse of high P foods, insect issues, etc. Could be multiple things, one or more.

No. What is your water source and why are you letting it sit around? Ya gotta ask yourself as you go thru life, "is this a feeling, or is this a fact." Enough of the philosophy.

And what were you giving them before?

You know long my pots stay "wet". For about 8 hours, and that's in a 3 or 5 gallon pot. When they are ramping up, they require a liter twice a day. I have the abundant leaf mass to wick off alot of soil moisture. Side bennie is it produces alot of bud too.

Tio Bendejo

My roots are not quite as thick as #10 but I am also using 10 gal pots these plants are 5 1/2 feet tall and about 8ft around.

Also I was told and read in the growers bible you let your water sit 12-24 hours to evaporate chlorine and other crap out.

before straight water they were getting around 800-1000 ppms 6.5ph

no bugs or mold issues period.

I will shake one of the pots out tonight to see what the main root ball looks like.

I appreciate your time and help.

Hos

Uncle Ben · #**399** 09-05-2009, 07:40 AM

Quote:

Originally Posted by hostile

My roots are not quite as thick as #10 but I am also using 10 gal pots these plants are 5 1/2 feet tall and about 8ft around.

Also I was told and read in the growers bible you let your water sit 12-24 hours to evaporate chlorine and other crap out.

I never have and was at the start of the water distribution system where chlorine is at its highest levels.

10 gallon is a huge pot unless you have the foliage and a massive root system to require its use. When you pop a plant out, not only look at the color and structure of its root system, but smell the soil. It should smell sweet, not rancid. Also, by this time that plant should be rootbound as reflected by spin-out. If not, downsize to a 3 - 5 gallon pot next time. I have a suspicion that in your case "less is more" regarding pot size. I think you're trying too hard and providing exactly the opposite of what you're needing to achieve regarding plant health.

Quote:

before straight water they were getting around 800-1000 ppms 6.5ph

Of what? What's the NPK value?

Quote:

I will shake one of the pots out tonight to see what the main root ball looks like.

I appreciate your time and help.

Hos

Quote:

My pleasure,
Ben

eyeco · #**400** 09-09-2009, 07:55 AM

Hi every one and thaks for what looks like a really cool site!.

Ok here is the prob. This is my first eva grow ( and my first time in a forum! strange hoe the to go togeather!.)

I am growing Big Budda Blue Cheese and Ressin seeds Bubblegum lavender cross.

I started the seeds in jiffy plugs ( small peat filled bags dont know if you use them in the states ( i from the uk) did ten seeds 9 germed and within 24 hours i had small shoots! i used rhitzotonic from canna at 4ml per liter in spray form in the propy and roots flew out of the lil buggers temp 24. ( by the way i can not recomend ritzotonic enough its amazing), all went well as you can see by the pics at end of post after only 4 days the roots where bursting out of the sides of the net bag the jiffy plugs are in, So i potted thm in to pint cups, And then made the normal noob mistakes, over watered and over fed, the long and the short is i have repoted in to 7.5 liter pots reducced feed to 1/4 streangth and got a proper watering plan ( every 3/4 days seems good) But thr plants have piled on so much root mass and leaf but no streach at all! plants are 3.5 weeks old with really chunky stems roots thick as a pencil lead coming out the bottom of potts ( new thick and white v healthy) but no vertical growth to match v short stocky plants compered to others i have seen on this site if anyone can help i will be very greatfull. (Just want to know if i shud start again from scratch.)

Ok Here the skinny.
Growing in Canna Coco
CoCo A+b Neuts 2ml per liter now 1/4
Ritzotonic 4ml/liter
Canazyime 2.5/liter

Started under 125w cfl 24 hours a day for 2 weeks then 400w wide spec hps at 1 meter from top of plants 24 hours.

Temps:Room 22'
:under lights 24-27 degs
Ph: 6.5 in the medium and 6 in my neuts.

In uk we tend to use Cf than ppm and mine about 1.6/1.9

i have 1 extractor 2 fans.

In the pics you can see the damage my over feeding and water stress has done but think i fixed that but shud i just star again?.
opps i cant post pics as it asking for a url and my pics not posted. Sorry for wasting your time!!!.

Good look with all your ladys!!. Eyeco

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