Leaf holes and separtion points.

[gmanwho]

Hi all, gotta a question. With no bugs in the room, ( i checked & checked & checked and found nothing) none visible with the naked eye.

What can cause leaf separation between veins. leaf circle holes. Leaf circle holes with shrinking/ crunching together?

effects lower fans, upper and upperfan

feminished ice clones. REcirc Bio DWC. Also happens to my ice in the preveg mag drive aero/ vegger. running at 800 ppm ish.

Seems maybe only ICE strain related. PH around 5.6 veg, 6.0 approx 900 ppm in flower, ( in this recirc system, 900ppm is kinda high, nutes go along way in this enviroment. In the past if i go above 1000, they stop feeding). feeding well. Transpiring well.

Happens at 24/0 and 12/12 as well.

Under t5's and under hps 600's.

running canna aqua A & B, light cannazyme. 2-3 mill per gall of cal-mag. No other def's visable. Some light stem purpling, but not bad. Nice lush green Fan leaves the size of volleyballs.

these ice love phosphorous , p hogs. Wonder if p can cause this shrinking & absence of leaf mattter? other then purpling.?

the area surrounding the missing leaf is not brown or yellow. like it was cut out, and some where cut and squished together.

feeding well.

Any thoughts?

B-safe

 

[MynameStitch]

You got any pics?

 

[gmanwho]

Hey stich, thanks for the reply.

U know, the more and more i look close, it almost seems as if the separation are like the leaf in its course of expanding tore itself. strange.

Some have that tear effect, some holes.

Another thought was My circulating fans, but they would never even come close to damaging the leaves.


Hummmmm

 

[MynameStitch]

Is your grow in a basement or something? THat looks like either an animal/pet or bugs...... THat is most definatly not a nutrient problem or a PH problem....... Did you check on the underside of the leaves too? even in areas where there were no signs?


Bite marks that big... would be bugs you cold see with the naked eye....
You got any pets?

 

[gmanwho]

Yes basement, & bugs are still unnoticed. Moved everything around to see if something is hiding, nope. checked under leaves, nothing.

No animals go to this area, nor have i seen any droppings if it is rodents.


the kicker is thou, I have 6-8 other strains within the area that are not effected.

I have an early pearl test run in the same system, not effected.


Very weird, i have never seen a bug do this in 10 yrs, if it is a bug. Or an MJ plant do this

HUmmmm. It's driving me nuttier.


B-safe

 

[MynameStitch]

COnsidering it's in a basement, anything can happen! It does look a lot like nibble marks...... where at on the plant are these leaves affected?
Lower part? are they near something that a pest can have access to it easily?
Do you mist your plants?

 

[Guest]

Afternoon all. I've looked at the pictures and to me. I think it's some sort of pest. If you got a magnifying glass. I would give them another quick over and make sure you don't have any pests. There are bugs you will not see, unless you use a magnifying glass. Some are pretty darn small.

I personally don't think it's PH or PPM. Looks at the pictures and notice a couple of things. One the damn is kind of cross grain and little holes. I think this is bug damage. I could be wrong, but I would bet. This damaga is done by them. The damage is also isolated to a area. If this was ph or ppm damage. The plant would be showing signs. All over the plant and not in one area. Try spraying the plants with some neem and see if it clears it up.
Good luck,
BG

 

[gmanwho]

Stitch , GDW, thank you for the input. I looked the past 2 nights, couldn't find anything flying jumping or eating, from front to back of the leaves.
I opened a Hotshot , and sprayed some neem on the undersides. Hope fully those holes will not continue spreading.

As for the tears, im stumped. Not overly concerned, but still would like to pinpoint why.


Another question, if i still have you attention, what would you say is the maximum ppm of co2 you should have in a room? My meters set at 1500ppm.

My CO2 is pulled in from a remote Gas water heater & furnace. Now with the pilot lights from both sources, my room stays approx 750-900 ppm, when either co2 sources turn on, the room is filled within 20 secs and the meter shuts the co2 intake fans down, and the water heater or furnace exhaust continues up the chimney.

But i was wondering, since both sources eventually stop, and ppm falls to 750-900, which is still better then fresh air. should i set my meter to say 2000 ppm? So that last co2 cycle, it will take longer to reach the " IDle" ppm.

Thanks all.

B-safe..

 

[MynameStitch]

how big are your plants and how much room is in your grow space? 2,000 sounds very high unless they are over 5 feet tall........

 

[gmanwho]

They are about 3 Ft in the buckets, and another section some 4 +. the room is 640 cf. 20ft wide x 4ft long x 8ft ceilings.

See the thing is thou, I THINK, i read elsewhere in a diary that someone kept his levels at 2000 continually. But i dont remeber where, I searched, but couldn't find it.

So what you maybe saying, is that 2000ppm might be to much, depending on the size of the plant?


The room would reach 2000, then slowly decline to the 750-900 " idle".However long it takes to reach that 2000, all depends on when either sources are burning.

So there may be a 3 hr gap before i get a supply of co2. so instead of the co2 level starting decline at 1500, it now begins at 2000. Just basically storing my room up with extra fat before it goes into slight deprivation.

That 2000 peak may only hit that mark 3-6 times during a 12 hr session. Still much more investigation on that. It depends on how cold things are, furnace cycling, showers taken, dishes done. Very random.

Lights are on at nighttime, already the coldest time,more furnace cyling. i take showers at night. So i believe that is setup at best.

Im already using the gas to heat my house, it is great to be able to benefit off its waste. Plus its something i dont have to pay for already. just the power for the CO & Co2 meters, and a 24volt inline fan.

Im syked about it, been running for 5 days now. But the co2 intake fan runs more then i like. Just trying to tweak her to her full potential.

Thanks for the help, B-safe

 

[MynameStitch]

I would tone that down to 1500 max really.... 2,000 ppms is used for tree grows man.... I mean you can use it, but I find some ill effects. It's up to you but I would not let it go over that, considering even more that there is different size plants.

 

[Kr@kEn]

Are these plants getting dripped on by anything or foliar fed? If so make sure they plants are completely dry before powering the light back on. Could be light burn from moisture. Water droplets are like magnifying glasses under HID lighting.

 

[gmanwho]

Kraken,That thought had once crossed my mind, But they where never dripped on or foliar feed.

Whatever the pests were, even thou i couldn't find them, i believe it has stopped. Thank you pest strips, atleast For now, Till i find out they poisoned me. Ahhhh

As for the slices in the leaves, Beats the FU** out of me. Seems to have stopped as well.

thanks all & B-safe