Sometimes gardeners are faced with the problem that the leaves of their rose bushes begin to turn black.
The reasons may be hidden in various problems with the plant.
Let's figure out why this happens and how to deal with the problem.
Why do rose leaves turn black?
Problems with the bush may be due to the following factors:
- a plant variety that is more susceptible to disease;
- no fertilizing or pruning;
- high humidity;
- no thinning of plantings.
The problem with roses is called black spot, which is caused by the fungus Marssonina rosae. You can fight it in the following ways.
How to save roses
The following folk remedies will help you in the fight against blackening of flowers.
Garlic infusion, for the preparation of which you need to chop 500 grams of garlic and pour 10 liters of water, let it brew. Before use, one and a half glasses of the resulting infusion are dissolved in one bucket of water.
Mullein also helps; it should be diluted with water in a ratio of 1:20 and left to infuse for 2 days.
Iodine will also help protect rose bushes: 5 milliliters of the product per 2 liters of water is enough.
Earlier we wrote about why tomato leaves turn yellow in a greenhouse.
