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5 Ways to Stop Powdery Mildew on Medical Cannabis

Preventing powdery mildew on medical cannabis

Powdery mildew infects a range of plants, but it is particularly harmful to cannabis plants. When growing medical cannabis, it is essential to keep a close eye on plant health. Monitoring signs of mildew will ensure your cannabis crop stays safe. Look for small patches of white mold filaments, curling or dropped leaves, and brown lesions. If you notice any of these signs, take immediate action to stop powdery mildew on medical cannabis.

1. Conventional fungicide.

Conventional fungicides that attack powdery mildew are widely available. For best results, it is important to adhere to the recommended treatment schedule, which often lasts weeks. One of the drawbacks of conventional fungicides is that they contain chemical agents that may be toxic to humans. As a result, many growers shy away from using toxic fungicides to prevent their final product from being tainted.

2. Natural oil sprays.

Fungal spores thrive in damp environments, but they do not appreciate oils. Spraying plants with an oil solution is a great way to stop powdery mildew on medical cannabis. Try spraying plants with a fine mist of sesame oil, fish oil, or neem oil.

3. Milk spray.

It may seem strange, but many growers swear by a milk spray to combat powdery mildew. The advantage of this treatment is that it is 100% natural, making it attractive to organic cannabis producers. Combine milk in a 2:3 ratio with water and apply for 10 consecutive days.

4. Air purification system.

Unfortunately, even if you contain the infection with sprays or fungicide, powdery mildew spores may continue to circulate through the environment. The best way to stop powdery mildew on medical cannabis is to prevent it from taking hold in the first place. An air purification system such as AiroClean420 grabs pathogens from the ambient environment. AiroClean420 then neutralizes the threat by passing air over a bio-conversion reactor bed. The result is a natural, energy efficient method of powdery mildew prevention.

5. Lighting.

Managing plant lighting is crucial to fighting fungal infections. For example, it is important to time plant watering with the light cycle. Water cannabis plants at a time when they will receive five hours or longer of light (it can be artificial or natural). This prevents water from accumulating and damaging plants.

Once powdery mildew infects your plants, it may already be too late for treatment. That is why it is so important to invest in high quality prevention technologies. AiroClean420 specializes in fitting its proprietary air purification system into a range of growing environments to quickly stop powdery mildew and other airborne plant infections. Reach out to learn more about how AiroClean420 can protect your crops from powdery mildew and the dozens of other airborne threats they may be exposed to.

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