What is the rust on roses, why its so-called
The dangerous rust? Rust – a dangerous disease of roses, which is capable of even lead to death of the plant. In recent decades, breeders of roses made great strides in the development of new varieties that are less susceptible to fungal diseases of leaves. However, no one rose is completely immune to fungal diseases, although many of the new varieties are infected are not significant, and they should not be sprayed.
Why roses rust leaves
At the end of the summer on the roses there are numerous yellow-orange or rust-red spots on the leaves. Small patches increase, the leaves turn yellow, then turn brown and fall off. The characteristic signs of the disease was given the name: Rose rust.
Infection begins imperceptibly appear as yellowish-orange spots on the surface or on the bottom side of the sheet which later become brownish-black. The spots spread rapidly, become more and gradually merge. Infected leaves soon turn yellow, turn brown and fall off. There is no universal and simple tips to combat this nasty fungal disease.
Note!The spores of the fungus can spread to other wind rose bushes.
The fungus overwinters in fallen leaves. If you leave the infected leaves lying under the plant, in the spring, usually in early May, the leaves release spores that germinate in a damp environment. Infection occurs primarily in the rain or during run time. So the disease spreads especially well in wet weather, and rose to be infected each year.
It is desirable to permanently remove the infected leaves as the plants and the soil. Infected branches and leaves are burned and never put them in the compost.
Additional information!You can prevent infection by clearing the ground under a bush of old leaves, rose petals, weeds, and, most importantly, to mulch the ground. You can put a new layer of soil or mulch.
The methods of treatment of rust in roses
Treatment of folk remedies
Rust on rose leaves than the process? You can spray the infected roses easy to prepare a decoction of horsetail. In addition to horsetail also suitable biologics of comfrey, garlic and tansy. Apply them about every two weeks, once when the fungus infection began.
Beautiful and healthy roses should be protected through preventive spraying. If roses are already infected with the disease, the treatment is repeated at regular intervals. If, despite all of the above recommendations, rusty spots on the leaves of roses continue to pose great problems for roses, perhaps spraying with fungicides. With used to combat fungi fungicides should be handled in accordance with the package insert for your own health and the environment.
The rust on roses than to handle?
The first treatment is available from the beginning of June, and then throughout the growing season. spraying frequency depends on the weather. The disease spreads mainly in a warm and rainy weather.
To prevent corrosion, it is necessary to perform simple terms that every gardener should know. Fungal diseases on roses, can be minimized by proper placement of plants and good care.
- Suitable Place: Good places for the roses – sunny, spacious areas with loose, humus-rich soil
- The right fertilizer. In the summer time watering them balanced food.
- potash fertilizer for roses ideal as potassium strengthens plants and acts as a kind of barrier for spore germination.
- Regular spraying decoction of horsetail, strengthens the plant as potassium.
- Roses should be planted at a sufficient distance from each other to diseases and pests could spread to other plants.
- Avoid watering from above, so should only be watered root roses zone.
- Right spring pruning ensures adequate ventilation shoots.
- A balanced supply of nutrients is also important.
- Sick leaves and rose petals should be immediately removed and destroyed.
Additional information!easier to fungal diseases are spread by planting too thick.
The healthier the flower, the less it is susceptible to a disease or a better job with it. Not only a balanced diet, but proper pruning promotes good condition.
In periods of drought timely watering roses. Watering the leaves is not recommended – too much moisture contributes to the spread of infection.
It is also important to provide sufficient distance between the bushes to pests and diseases could easily spread to neighboring plants, rose petals and dry quickly after rain showers.
Important preventive measure is also the right choice varieties. For relatively resistant roses include the legendary Gloria. High resistance to fungal diseases manifested in large blooming Cherry Black Forest woman or blooming roses. But even the most resistant varieties can not be totally resistant to these diseases.