One of the most frustrating things a cannabis/hemp farmer goes through when cultivating their crops is the unforeseen risks that can creep up on a new farm. One of the most disheartening of those issues that creep up is known as Powdery Mildew.
Powdery Mildew is the name for the horrific pathogenic fungus that attacks cannabis plants – amongst many other highly valuable plant species. It can affect both indoor and outdoor cannabis crops – particularly in wet months such as late September and into October. Once the fungus punctures the cell wall, the cannabis should be cut down, chopped up and recycled using vermicomposting. No consumption of this flowered material should be consumed as it can cause serious health issues, especially in the lungs.
Powdery Mildew first appears as a thin layer of white mold on the fan leaves of your cannabis plant, before the fungus begins spreading across the entire grow. This GREATLY diminishes photosynthesis, slowly causing your cannabis crop to die from lack of energy. Your leaves will start to shrivel, turn yellow and begin to die, causing DRAMATIC crop loss!
Powdery Mildew can sometimes be detected early on as small bumps appearing on infected fan leaves. Heavily developed Powdery Mildew produces little black spores in its advanced stages, which can easily be carried by air movement to other parts of the grow room.
How To Distinguish Powdery Mildew?
Here are the standard processes cannabis plants undergo when they become infected with Powdery Mildew:
To treat powdery Mildew effectively, it is essential to detect it at an early stage. Be alert when the first symptoms begin to show as early detection can make the difference between active and effective treatment or a completely ruined flip. The more time that elapses from the start of the infection, the more the fungus will begin to spread, and the more difficult it will be to eradicate this flip as well as future flips!
Organic Fungicides To Use For Heavy Infections
Obviously, being proactive and keeping a prevention mindset is the most effective way to keep your cannabis farm investments safe. It makes more sense to take some extra early safety measures and monitor the overall health of your growing environment. Otherwise, you are going to face an uphill battle to try and actually cure an outbreak of this fungal infection.
Three conditions need to be met for Powdery Mildew to take hold.
Outdoors is a little trickier. A lack of breeze, cold nights and rain can all stack the odds against you and help Powdery Mildew set in. As such, it is crucial to choose your grow site with care, ensuring there is ALWAYS good airflow. Some growers will erect a tent-like structure over their bud if they know heavy rain is on the way. Proactive farmers take the time to shake their cannabis plants after a heavy rain to shake out any excess water that may have the potential to penetrate fan leaves and buds.
When it comes to these fungal diseases, PREVENTION is the MINDSET.
We here at Everflux Technologies compiled a specific list of organic fungicides you can use for prevention and eradication.
*Use this recipe once a week for prevention and every 2 days for eradication.
What If Powdery Mildew Occurs During Late Flower?
About the Author
Daniel Enking is the founder of Everflux Technologies. He is a life-long environmentalist and practical dreamer who is obsessed with resource efficiency and imaged an "everything recycling machine" at age 10.