2 days under MH from full cycle LED looks like nute burn?

grg61458

grg61458

Active Member
Had these clones under LED full cycle 220 wattDSC00830.JPG LED 5 days, Now using LED as sup and using MH 600 watt at 25%. Notice what I thought was nute burn. PPM of nutes never exceeded 370. This is a Blackberry my Haze sativas don't seem to be very affected. Last few waterings have been with PH water only. Did a couple of FIMs today notice the top seems to be okay now. Just want some more experience advice ;)
 
weedenhanced

weedenhanced

Well-Known Member
grg61458 said:
Had these clones under LED full cycle 220 wattView attachment 3392478 LED 5 days, Now using LED as sup and using MH 600 watt at 25%. Notice what I thought was nute burn. PPM of nutes never exceeded 370. This is a Blackberry my Haze sativas don't seem to be very affected. Last few waterings have been with PH water only. Did a couple of FIMs today notice the top seems to be okay now. Just want some more experience advice ;)
Click to expand...
Spidermites looks like
 
weedenhanced

weedenhanced

Well-Known Member
First Sign of Spider Mite Damage - Tiny Specks (Bite Marks) On Leaves



Picture of spider mites on a cannabis leaf - they're tiny and often found under the leaves
 
majins

majins

Well-Known Member
Doesn't look like spider mites to me. They leave white spots not amber spots.

Cal deficiency leaves amber spots
http://www.growweedeasy.com/calcium-deficiency-cannabis

Mag deficiency leaves light green areas and eventually whole leave goes light green and vains become pronounced with purple stems.
http://www.growgreenerguru.com/2012/03/magnesium-mg/


Cal mag problems very common under LED, had them myself
With my plants ones that started under LED took about 4 weeks to show a deficiency.
Ones I started out side took a week to show deficiency after moving under LED.
 
weedenhanced

weedenhanced

Well-Known Member
I've had spidermites and I've had cal mag probs
Cal mag is more lightening of leaves with green veins and
Spidermites make rust coloured spots
As well is what I got
Here is another example
They are very difficult to identify if you have an inexperienced eye, but you can see them when you’re motivated, and sick plants motivate you.

Spider mites like warmth (over 85 degrees) and they like a dry environment. That is why they are usually an indoor garden problem, but they can occur outdoors as well if it’s hot enough.

What They Do

They generally live on the underside of leaves, and that’s where you’ll usually see them. Females lay eggs on the plants and they hatch soon after. After hatching they feed for a few days then go into a new stage. The nymphs feed and then molt again into adults.
They have a quick life cycle, which means they can populate quickly.

All that feeding damages your plants. They cause damage by puncturing the leaf walls and sucking out enzymes. This weakens the plant and can cause death.

How You Know You Have Spider Mites?

There are several signs to indicate that you have spider mites. White dots will appear on the top of the leaves. They also make fine webs that are visible to the eye. If you mist the plants the webs sometimes show up better.


Spider mite webs



If left long enough the leaves start turning brown and dropping off.


Spider mite damage


Tiny white dots under the leaves are the eggs, which means you have mites.


Last, if your eyesight is good or if you use a magnifying glass you can see them.
 
weedenhanced

weedenhanced

Well-Known Member
majins said:
Cal mag problem.
Click to expand...
It looks nothing like cal mag sick of ppl like u reakon everything is cal mag
Lmfao

It looks more like ph fluctuation then cal mag

But I still reakon it's spider mites
And cal defiency start on new growth
And his new growth is fine

Spider mites start at the bottom and they infest upward
 
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