Powdery mildew?

AC Infinity
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
ROSTERMAN said:
Spray with Potassium Bicarbonate
Potassium bicarbonate additives can help kill powdery mildew spores on contact, while also increasing the pH level on the surface of the leaves. A pH level above 8.3 on the surface of the leaves discourages fungi.

https://sumogardener.com/potassium-bicarbonate-powdery-mildew/
Click to expand...
I did this method yesterday evening and now look. I think I killed my plant😢
0A21F507-401D-4AA9-ABD6-CD1B103AB38E.jpeg
6AE14181-F9E3-4503-9E7E-A7EB17766BEC.jpeg

52811AED-952A-4535-B887-52D7C885FF18.jpeg
 
What did you use and what amounts did you add to the gallon of water
Never had that happen in yrs, did you spray with lights off or not during day outside, Looks like you cooked the pistils thats all the plants should be fine
 
ROSTERMAN said:
And if you tried it yesterday why wou

Josey You used this method and worked good for you too Correct?
Click to expand...
Yes, I was blown away at how well it worked for me. I'm very happy you shared that with me and i followed you recommendation to the letter. How ever I find myself in a disadvantaged position not able to see some pictures of the PM on those plants before the treatment.
 
JoseyWales said:
Yes, I was blown away at how well it worked for me. I'm very happy you shared that with me and i followed you recommendation to the letter. How ever I find myself in a disadvantaged position not able to see some pictures of the PM on those plants before the treatment.
Click to expand...
Yep when applied properly it has worked great for all the APM I ever had myself. Use to be called a product called GreenCure, until people found out it was only over priced Poss/Bicarb.
 
Spray applications and dry conditions can mimic this look on plants that are not yet ready to harvest.

Potassium bicarbonate is a common organic fungicide that can be effective in controlling powdery mildew. But if applied during the flowering cycle, it will dry all of the pistils and turn them brown. To the inexperienced eye, this can give a crop the appearance of maturity.

Chronically dry or hot conditions can also cause pistils to wither.

Fortunately, after a spray application or dry event, healthy plants will continue producing new white pistils until the crop is truly ready for harvest.
 
ROSTERMAN said:
What did you use and what amounts did you add to the gallon of water
Never had that happen in yrs, did you spray with lights off or not during day outside, Looks like you cooked the pistils thats all the plants should be fine
Click to expand...
It was 500ml of water and 1 tbs of baking soda 1/2 a tsp of soap and a tsp oil😳
It was a video on YouTube.
Obviously that’s wrong 😑Also it said to do it in the evening.
But you think it should be ok? I didn’t see the PM on there this morning so hopefully that’s gone. But do you think I should wash it with water at harvest? I’m only a few weeks away.
 
Tabby said:
It was 500ml of water and 1 tbs of baking soda 1/2 a tsp of soap and a tsp oil😳
It was a video on YouTube.
Obviously that’s wrong 😑Also it said to do it in the evening.
But you think it should be ok? I didn’t see the PM on there this morning so hopefully that’s gone. But do you think I should wash it with water at harvest? I’m only a few weeks away.
Click to expand...
Not sure why you added all the other things
This close to harvest, but washing it might be a good idea
But I have never wash any of my buds
 
ROSTERMAN said:
Spray applications and dry conditions can mimic this look on plants that are not yet ready to harvest.

Potassium bicarbonate is a common organic fungicide that can be effective in controlling powdery mildew. But if applied during the flowering cycle, it will dry all of the pistils and turn them brown. To the inexperienced eye, this can give a crop the appearance of maturity.

Chronically dry or hot conditions can also cause pistils to wither.

Fortunately, after a spray application or dry event, healthy plants will continue producing new white pistils until the crop is truly ready for harvest.
Click to expand...
That didn't happen to me, I found no difference in the Pistils. I should also say my pump sprayer provides has a very fine mist almost like a fogger.
 
This is way to much Potass/Bicarb
500ml of water and 1 tbs of baking soda 1/2 a tsp of soap and a tsp oil😳
But I am sure she will recover
 
ROSTERMAN said:
Not sure why you added all the other things
This close to harvest, but washing it might be a good idea
But I have never wash any of my buds
Click to expand...
Wash after harvest tonight it might be good to spray your plants with fresh water on mist like giving them a shower
 
ROSTERMAN said:
Not sure why you added all the other things
This close to harvest, but washing it might be a good idea
But I have never wash any of my buds
Click to expand...
They say the oil is to make the baking soda stick to the leaves and the soap is in case you have any bugs. And I do see a lot of those little pesky flies flying above my plant so I added it. Do you think I can smoke it without washing it? I was going to wash just incase there was PM. It’s my first grow ever and if I don’t have to wash I would rather not because of all the horror storey about rot because it doesn’t dry fast enough.
 
JoseyWales said:
That didn't happen to me, I found no difference in the Pistils. I should also say my pump sprayer provides has a very fine mist almost like a fogger.
Click to expand...
I used a spray bottle. Maybe that’s the difference. I used the mist setting but it’s nothing close to a pump sprayer.
 
JoseyWales said:
Wash after harvest tonight it might be good to spray your plants with fresh water on mist like giving them a shower
Click to expand...
It’s going to rain here tomorrow. Do you think I should leave it in the rain for a bit?
I’m just worried that would put me back to square one again because there calling for rain for the next week and the plant won’t dry quickly and then we get PM again.
 
ROSTERMAN said:
Not sure why you added all the other things
This close to harvest, but washing it might be a good idea
But I have never wash any of my buds
Click to expand...
No problem 5 gal bucket and fresh water. Now if they spay the plants down in a mist that will do it.
 
ROSTERMAN said:
Can you get Potassium Bicarbonate ? (in a pinch I have heard Baking soda will do almost the same thing it raises the PH factor and kills the PM)
I use a mix 1/2 to 1 tablespoon per gallon in pump sprayer and spray under and on top of all the leaves ,
Spray when lights are off so it does not burn them.
I have used this for the last 5 yrs with no harm and beat the PM ever time,

@bigsur51 Big have you ever tried this method or know anyone else that has
I use this every two weeks as a preventer also.................
Click to expand...
Hey @rostcan yoi explain how to use this powdery mildew spray and its just baking soda and water i have seen some on my larger fan leaves that hold the dew i believe lmk ty
 
You must log in or register to reply here.

Similar threads

Joes grows ct
How to fight wwhite powdery mildew
Replies
0
Views
81
Joes grows ct
Joes grows ct
Dan789
Powdery Mildew in Bloom
Replies
18
Views
761
Hippie420
Hippie420
StickyGuerillaGrower
HELP! WTF IS THIS!?
2
Replies
37
Views
2K
StickyGuerillaGrower
StickyGuerillaGrower
sharonp
Growing outside in Virginia or states of equal climate
Replies
14
Views
733
SubmarineGirl
SubmarineGirl
zipsick
Marijuana left in a Termite Fumigated House
Replies
2
Views
107
RosterMan
RosterMan

Latest posts

Back
Top