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Help, white spots!!
Posted 14 May 2010 - 04:08 AM
There is an attachment showing this, its hard to see but its all those lighter looking spots.
Also I'm in veg, under 1000w mh+hps, fox farm, cool mist humidifier, good ventilation, 6wks from clones
Im worried about this affecting anything long term, hoping its not mold. Let me know what you think and I'd appreciate it.
Similar Topics: Help, white spots!! x
Posted 14 May 2010 - 04:17 AM
Posted 14 May 2010 - 04:26 AM
Posted 14 May 2010 - 06:49 PM
Posted 14 May 2010 - 07:13 PM
Is anything else in your grow room covered in this powder? Walls, fans, pots, hood, etc..?
That's a good question. It's starting to sound like powdery mildew to me.
Posted 14 May 2010 - 07:25 PM
Posted 14 May 2010 - 07:42 PM
It's possible your water has large amounts of lime and calcium in it. When you run it through your humidifier it could be leaving deposits on your plants.
Mine do fine at 30% humidity. Clean off all your leaves, shut off the humidifier, and see if it comes back.
Make sure you fix this before you flower while you still can.
You may need to take evasive action.
"Identification, Symptoms and damage:
Early signs of powdery mildew include white powder/fuzzy patches on leaves (usually low in the canopy) and a fuzzy white coating on lower stems. Note: powdery mildew can be wiped off the leaves for a quick visual check"
Edited by toilofday, 14 May 2010 - 07:44 PM.
Posted 14 May 2010 - 08:19 PM
Anyone know any surefire ways to eliminate this problem before flowering? I'll start removing infected leaves and turn my humidifier off.
Any rinsings solutions or anything?
Posted 15 May 2010 - 12:25 AM
Posted 15 May 2010 - 12:54 AM
Works very good.
Sounds like PM for sure. There are a few ways to deal with it. I suggest doing some research and deciding which will work best for you. You'll have to keep an eye on your plants all the way through flower. Good luck.
Posted 15 May 2010 - 05:17 AM
Anyone had success with baking soda?
Posted 16 May 2010 - 04:20 AM
Next time I dusted the girls with it, I'd dump a spoonfull in my had and blow it over
Maybe somebody has a known ratio to mix up a spray, I'm very cautious now.
Posted 16 May 2010 - 08:31 PM
I mixed 1/2tps baking soda, 1/2 tsp dish soap, to 1 quart water.
Seems to not be harming the plant so far, too soon to tell if its worked but I haven't noticed as much spreading since removing the infected leaves and spraying
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