Rust of roses, how to fight it

Rust of roses, how to fight it

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Rust of roses, remedies and effective products to eliminate it. How to cure rust from roses and other ornamental plants.

There rustit is a fungal infection that attacks a good number of ornamental and non-ornamental plants, causing the formation of rust-colored spots on the leaves. Which plants are affected by rust?

  • Pink
  • Geranium
  • Chrysanthemum
  • Begonia
  • Garlic
  • Asparagus
  • Onion
  • Leek
  • Currant
  • Plum

Thererustit does not distinguish between ornamental plants, fruit plants and horticultural plants. In this article we will seehow to get rid of rust from roses but the sameremediesthey can also be implemented on other ornamental and non-ornamental species.

Rose rust: spots on the leaves of roses

Thererustsit manifests itself with the formation of small brown-orange notches which, in the long run, take on a powdery appearance on the underside of the leaves and on the twigs of roses.

After the appearance of the spots, the parts affected by the rust of roses change in shape: it can happen that leaves, petioles and flowers lose their original and natural appearance and tend to deform. What to do to combat the rust of roses? Specific products can be used, preferably allowed in organic farming as we will see later.

In case of black spots on rose plants

If the spots you find on the leaves of the roses are not rust colored (brown-orange), but dark (gray-black), the disease that has affected your roses is not therust but thescab of the rose. In this case, I refer you to the articlesBlack spots on the rose leaves.

Roses attacked by rust, what to do

The trouble with rust of roses is that it is adisease very frequent, especially in spring. Basically, if your roses have been attacked by therustProbably even if the disease disappears, next year the fungal spores still dormant in the soil will manifest and attack your plants again. To avoid this situation, preventive prophylaxis should be performed every spring, at least for a couple of years in a row, by applying copper-based products.

When the spots on the leaves, the first thing to do is to promptly eliminate all the affected parts, but obviously this alone is not enough. It is also necessary to carry out treatments with products specific. What we recommend are organic products and natural remedies for treatment and prevention, some to be prepared at home too.

Rose rust, natural remedies

Horsetail decoction is an effective natural remedy against all fungal diseases, including rust of roses. It strengthens the plants making them more resistant to the penetration of fungi and works in the acute phase thanks to the action of salicylic acid (the active ingredient of aspirin) of which horsetail is rich. It is prepared by boiling 30 grams of horsetail in 1 liter of water. Against rust it should be sprayed regularly on the driest days (avoid applying in case of rain or high humidity).

If you don't want to prepare it at home, don't worry! Horsetail is so effective that even pesticide manufacturers exploit its active ingredients. In garden centers, at agricultural consortia or on Amazon, you can find a good number of natural horsetail-based pesticides. On “this Amazon page” you will find several cheap offers!

Bordeaux mixture is a traditional remedy, allowed in organic farming and very effective againstrust of rosesand not only. Bordeaux mixture is effective for fight any cryptogram infection. Again you can point to thedo-it-yourselfor take advantage of online trading.

For the treatment of rust of roses, the benefits of rock dust are two: good supply of silicon and more protection against fungal attacks. The action is carried out in prevention both against pathogenic insects and against fungal hyphae such as those of rust of roses. It works best if it is in microparticles.

The algae extract is useful for the prevention but not for the treatment of the disease already underway. This commercially available fertilizer, even if it is not among the most common, stimulates the growth of plants, strengthens the leaves and strengthens their natural defenses against certain infestations.

Products against rust of roses

There are many on the marketproductseffective to useagainst the rust of roses. Sixnatural remediesdo not work, we invite you to chooseanti-rust productsable to respect the health of your garden and biodiversity.

In fact, most of the pesticides on the market, once applied to plants, will cause the death of any small life form that comes close to the plant, including insects. This means thatbees, butterflies, bumblebeesand other small pollinating insects, approaching the flowers of yoursrose plants, will end with theto die.

When you buy godsanti-rust products for roses, be sure to choose one that is harmless to pollinating insects. Among the effective products on the market, we point out a Bayer fungicide developed to respect biodiversity and act specifically against the fungi that cause plant diseases.

The product in question is simply sprayed on the vegetation, repeating the treatment every 10 days until the symptoms disappear completely. The product mentioned is a fungicide, it is called Baymat, it is not easily found in nurseries but if you know a well-stocked garden center you will certainly be able to find it.

Alternatively, there is always online trading. On Amazon, a 1 liter spray bottle can be purchased for 12.33 euros with free shipping. For all information, I refer you to the Amazon page:Rose Baymat by Bayer

How to prevent rose rust

Rust causes leaves to drop prematurely after making themdry. This disease can also be transmitted to other plants in the garden, therefore, if only one rose is affected, it is better to carry out preventive treatments also to other plants at risk.

Sore white of the rose

Along with rust, another widespread fungal disease of the rose is white mold or powdery mildew. For information on the treatment of this disease and the pictures of the affected leaves, I refer you to the page: mal bianco della rosa.

Video: Rose Dieback Disease Causes and Treatment. Garden Tips (August 2022).