Using Fungicides On Orchids

Using Fungicides On Orchids

Fungicides can be an effective tool for controlling fungal diseases on orchids. However, it is important to use them properly to avoid harming the orchid or creating resistance in the fungal population.

Here are some tips for using fungicides on orchids:

1. Identify the problem: Before applying a fungicide, make sure you know what you're dealing with. Different fungi require different treatments, so it's important to correctly identify the problem before proceeding.

2. Follow the instructions: Read the label carefully and follow the instructions for mixing and applying the fungicide. Overuse or misuse of fungicides can harm your orchid and create resistance in the fungal population.

3. Use preventative measures: Fungicides are most effective when used as a preventative measure, rather than as a cure. Keep your orchids clean and well-ventilated, and avoid overwatering, which can create conditions that are conducive to fungal growth.

4. Monitor the situation: Keep an eye on your orchids after applying fungicide, and look for signs of improvement or further deterioration. If the problem persists or worsens, you may need to try a different fungicide or consult a professional for advice.

As I live in a subtropical area, late spring to early autumn/fall can be hot, wet and very humid. I therefore spray fungicide on my orchids on a monthly basis in order to help prevent fungi from forming. I also have a fan going 24hrs a day during this period.

During late autumn/fall to mid spring, I do not spray fungicide at all, except for when we have significant rain fall over a period of several days. My watering is reduce considerably as well.

Remember, fungicides should be used as part of an integrated pest management strategy, which includes good cultural practices and regular monitoring. Using fungicides alone is unlikely to provide long-term control of fungal diseases in orchids.

Have a great week,

Peter Johnson

Orchids In Print

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