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Drooping Leaves With Shiny White Spots and Grey Patches

CoffeeAndCannabis

New Member
Hello everyone,

I am a new member to the forums here at rollitup.org and have been using these forums as a resource to help out in growing cannabis plants under a 400W HID light. I am hoping that the expertise of the growing community here can assist me with a plant diagnosis, and provide some direction as to what to do.

I seem to have been having a couple of problems with my plants as of late, and I believe there to be multiple factors effecting it:
The first thing that you will notice on the panned out photo is the back two plants exhibiting drooping. I believe this to be due to over watering, as my friend in charge of watering the plants oversaturated the soil over the past couple of days by mistake.
The next thing that you will notice on the other photos are some shiny white/silver spots on the leaves accompanied by the occasional grey patch as seen clearly in one photo. Another problem noticed was one of the leaves curling over and being partially split, almost as if being eaten away. After reading up on these symptoms, I believe that I have a case of thrips. I do have good airflow in the growroom, however it wasn't cleaned completely pre-grow and it is in a cool basement which may affect the affinity for insects to reproduce on the plants.

My proposed course of action is to cease watering for a couple of days, and spraying it with a product sold at the local Home Depot called Scotts EcoSense Insecticidal Soap, due to the scarcity of locally available Spinosad products where I live, and treating it with the insecticidal soap as necessary. Can you guys advise me on my diagnosis and course of action? This is my very first grow and I have no practical experience with treating problems such as these.

Thanks guys
 

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mike4c4

Well-Known Member
Hello everyone,

I am a new member to the forums here at rollitup.org and have been using these forums as a resource to help out in growing cannabis plants under a 400W HID light. I am hoping that the expertise of the growing community here can assist me with a plant diagnosis, and provide some direction as to what to do.

I seem to have been having a couple of problems with my plants as of late, and I believe there to be multiple factors effecting it:
The first thing that you will notice on the panned out photo is the back two plants exhibiting drooping. I believe this to be due to over watering, as my friend in charge of watering the plants oversaturated the soil over the past couple of days by mistake.
The next thing that you will notice on the other photos are some shiny white/silver spots on the leaves accompanied by the occasional grey patch as seen clearly in one photo. Another problem noticed was one of the leaves curling over and being partially split, almost as if being eaten away. After reading up on these symptoms, I believe that I have a case of thrips. I do have good airflow in the growroom, however it wasn't cleaned completely pre-grow and it is in a cool basement which may affect the affinity for insects to reproduce on the plants.

My proposed course of action is to cease watering for a couple of days, and spraying it with a product sold at the local Home Depot called Scotts EcoSense Insecticidal Soap, due to the scarcity of locally available Spinosad products where I live, and treating it with the insecticidal soap as necessary. Can you guys advise me on my diagnosis and course of action? This is my very first grow and I have no practical experience with treating problems such as these.

Thanks guys
I dont see much to worry about. Just let the two dry a bit and they will be ok. The other looks like some heat stress.I would get those plants out of that tub as its so deep air cant get to those plants and heat will build up in there. Other than that they look good. Do you PH the water?
 

CoffeeAndCannabis

New Member
I dont see much to worry about. Just let the two dry a bit and they will be ok. The other looks like some heat stress.I would get those plants out of that tub as its so deep air cant get to those plants and heat will build up in there. Other than that they look good. Do you PH the water?
Okay, sounds good man. They will be going in their permanent containers in a couple of days (5 Gallon Buckets modified for drainage) where the drainage tray won't affect the airflow between the plants and the lights. I currently am not metering the pH of the water, and am chancing it with city treated tap water. I am currently waiting on a shipment of a pH meter and pH Up/Down so that I can pH the water properly. Right now I am just feeding it with the Fox Farms Trio according to the standard feeding schedule for soil.
 

mike4c4

Well-Known Member
Okay, sounds good man. They will be going in their permanent containers in a couple of days (5 Gallon Buckets modified for drainage) where the drainage tray won't affect the airflow between the plants and the lights. I currently am not metering the pH of the water, and am chancing it with city treated tap water. I am currently waiting on a shipment of a pH meter and pH Up/Down so that I can pH the water properly. Right now I am just feeding it with the Fox Farms Trio according to the standard feeding schedule for soil.
Yea looked like you might of had a small PH swing.Just make sure you calibrate it before you use it. I have some PH charts that might come in handy, just click on the link in red under my post.
 
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