Kamila Součková 29. 3. 2025 clock 3 minutes video
If your garden is decorated with roses, it is highly likely that you have already become acquainted with the ailments that the growing of these magnificent plants brings. Few rose variety is resistant to black spotlight.
Black spotlight is characterized by dark spots, various, usually black or dark brown and dark purple colors that attack rose leaves. It is a nasty fungal disease known since the 1930s and can chamfer the vast majority of roses. And how to deal with the mold?
How to cut and fertilizes roses shows this youtube video from the channel home gardener:
Source: YouTube
Cow’s milk – why belongs to the garden
Who has no problem using chemicals, there are a number of support products on the market to turn with black spots. But we have good news for organic products lovers – you can try ordinary milk. Yes, you read correctly. Milk. Cow. Just make a spray from a mixture of cow’s milk + water and you have a real chance that the spread of black scratches will cease.
Respekite American Gardening expert Jeff Gillman is of the opinion that milk works well on black spots as a prevention, not as a medicine for already affected areas. “Spray leaves and stems once a week,” he advises.
As milk can benefit the plants
What is the reason for the beneficiality of milk in relation to fungal disease in roses? Lactoferin. It is Protein contained in milk and has the potential to fight fungal infections. In addition, milk has a relatively high nitrogen content, and nitrogen is one of the three main ingredients along with potassium and phosphorus, completeness of plant fertilizer. And well -fed plants are healthier and so less susceptible to diseases.
How to dilute
Opinions on the ratio of water and cow’s milk varies. Someone is satisfied with the ratio of 1:10, so adds only one tenth of the milk and the rest is water, or 1: 1, when the ratio is balanced.
There is nothing easier than finding your own way alone. Test, you will see. Perhaps you will eventually join the camp that claims that milk on the leaves or roses do not belong at all.
Black spots – what is it
This plant disease causes, as we have already written, a sponge. Specifically, Diplocarpon Rosae. It is very good in wet weather. In our case, this means that you will notice the disability in the autumn, or at the end of spring. If this abominable disease is not treated, the plant will gradually lose all the leaves and stop blooming.
The sponge is easily transmitted through the wind, the breeze. It spreads quickly, it just needs at least 7 hours of closure. And the problem is born. Even in winter there is no room from her, she can easily survive frosts. Unfortunately.
Source: www.houSedigest.com
