powdery mildew HELP!

[stucklikechuck]

hello all,
i am in the 3rd day of the 6th week of flower and i am having powdery mildew!!!!! i know neem oil will help, but is it safe to use this late into flowering? PLEASE HELP!!!!! thanks...

 

[julsbagell]

Do not spray neem oil that late in flower unless you want your herb to taste like ass use dutch masters zone and penatrator it works look it up cant remember the thread its in here green cure works good too.

 

[Barnt]

No neem. I've used seranade late into flower but do not recommend it.

Your best best would be zonedoctor + penetrator (I think thats right) or ph 9-10 water with a drop of soap.

 

[Skipload]

Check your airflow, humidity, and temps. If your leaves are touching your growing medium or within a couple inches you can promote mold growth.

 

[Syndicate]

If you can't get zone (which I've also heard is the best) you can try a tablespoon of baking soda per gallon of spray.A friend of mine tried it 10 days before harvest and it worked with no ill effects.

 

[stucklikechuck]

thanks all! im going to use zone/penetrator combo. should i spray on all plants or just the affected areas?

 

[Barnt]

Spray all plants. The spores are already in the room. When you see the PM fuzz it means that the cells have already been infected weeks prior as it takes a good week for PM to create fuzz.

As I've had PM in past grows, I was using serenade up till 2 weeks in flower and have switched to ph 9 water as a preventative. So far so good, but I've also increased ventilation and rh has been staying 55-60 so far...

Good luck in your fight

 

[stucklikechuck]

anyone know the ratio for foliar spray for penetrator and zone?