Powdery Mildew on Roses – Find the best way to cure

Powdery mildew is not a new term, rather it is a very common fungus that can affect different plants. You can see powdery mildew fungi on roses to cannabis. So, it rarely discriminates among the plants. Now, if you have spotted powdery mildew on roses, do not panic, just read this article!

The thing that can give you relief is that powdery mildew is very easy to identify. You see white spots on the leaves and stems then you get the signal that the leaves of that plant are affected by powdery mildew. It is not just found on the upper surface of the leaves but also underneath the leaves. The growth of the new plant is heavily impacted by this infection and that is why it is one of the most talked about topics in the town.


What is Powdery Mildew on Roses?

Among the common foliar diseases of roses, powdery mildew is the name that stands out. It is quite known to reduce the vigor of a beautiful rose plant. Due to white powdery growth, the plant surface gets disfigured.

The main culprit of powdery mildew on roses disease is Podosphaera Pannosa. Podosphaera Pannosa is a fungus that can easily affect the aerial parts of beautiful rose plants. With the powdery mildew growth, you can expect the disease to spread at a very high rate.

Places where the soil is dry, high humidity, and there is very less scope of good air circulation are suspectable to get severely attacked by powdery mildew. Always keep the rose plants away from such dangerous areas. Once the white powdery mildew starts spreading, things can get dangerous. Due to this reason, it is said that preventive measures are better than cure.

Easily spot Powdery Mildew on Roses symptom

Are you wondering, what causes powdery mildew on roses? Well, this part has got it covered. Here, we will mention rose powdery mildew symptoms that a common person should know. Having ideas to check for the powdery mildew on roses symptoms can help you to be alert before the disease spreads throughout the plant and the garden.

You might see the following symptoms in case there is powdery mildew on the rose plant:

  • The leaf surfaces and shoots are affected with white powdery patches all over them. It can be the upper part of the leaf, the lower part of the leaf, or both parts.
  • There is a huge possibility that the leaves are discolored. They may look purple, reddish, or yellow. If the leaves are young and are severely affected, they can be distorted and curled.
  • Flower buds are not opening properly because they are heavily affected.
  • Stems, petals, calyces, and flower stalks are attacked by white powdery fungus.
  • If the mildew has grown for quite a time, then it might look a lot browner rather than looking whiter.

The symptoms mentioned above are a few common symptoms that should alert you about a white powdery mildew attack on your roses. This is the time when you should worry about treating this fungal infection.


How to treat Powdery Mildew on Roses?

Keep the air flowing well at all times

Powdery mildew treatment on roses can be done simply if there is enough space for air to keep flowing freely. If it is taken care then there is very less chance of the rose plant getting attacked by this disease. Noticing these small things and taking care of roses can help you avoid this type of common disease.

Water roses early in the morning

Are you worried thinking how do you get rid of powdery mildew on roses? Over the decades the simplest home remedy that has worked is watering the roses early in the morning. Watering gallon of water helps to wash off the white powdery mildew which has not got highly stuck into the leaves. It is only effective if the attack is in a very early stage and that is why it is advised to water daily.

Remove any broken leaves

What kills powdery mildew instantly? Removing broken leaves. If you find out powdery mildew on a few leaves of rose plants then simply cut the leaves off!

It can help you to avoid the further impact of this fungal attack. Even prefer to remove the leaves that have fallen as they can also act as a very effective source of further powdery mildew infection.

trianum-v-treating-powdery-mildew-on-rosesUsing the best fungicide for powdery mildew on roses

Why do people prefer powdery mildew on roses home remedy? The answer is very simple. Home remedies are preferred because they sustainably manage the diseases like powdery mildew and citrus canker.

What if we say Trianum V thanks to its active ingredient Trichoderma Harzianum can do the same and additionally boosts yield and quality? Well, it becomes the best option to fight against powdery mildew on roses. With wettable powder formula, it gives the best result without giving any side effects to the beautiful rose plants.

Wrapping up

Powdery mildew on roses is a common occurrence and it needs to be avoided. Thanks to Trianum V it can be avoided easily. It is not just that you avoid this fungal disease but also increase marketable yield that gives you an increased profit.

This foliar fungicide is the best option to end the chapter of powdery mildew on roses as it helps the plants by stimulating their ability to fight these simple attacks. So, get Trianum V now!


1.El-Naggar, A. S., et al. “Disease management of rose powdery mildew using some fungicides and biofungicides.” Archives of Agriculture Sciences Journal (2023): 44-57.

2.Gatan, Mary Grace, et al. “Bio-efficacy of Trichoderma harzianum Rifai and Botanical Extracts against Major Fungal Pathogens of Tamarind (Tamarindus indica L.) under Field Condition.” Recoletos Multidisciplinary Research Journal 11.1 (2023).

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