Rhododendrons are easy to dry and blacken, water these 3 kinds of "solutions", the leaves are oily, and they bloom violently!
Rhododendron has the name of China's top ten famous flowers, which makes it liked by many people, in May and July of each year, many people will always go to some tourist attractions to see the rhododendrons, the scene of rhododendrons blooming all over the mountains, let people linger, so there are many people in order to be able to stay at home to enjoy the flowers, often raise several pots of rhododendrons at home.
However, in the process of maintaining rhododendrons, people found that rhododendrons are always prone to drying and blackening, which greatly affects the ornamental value of rhododendrons, and if this situation is not dealt with in time, it is easy to spread, resulting in adverse conditions throughout the plant, such as no growth, no flowering and so on.
So when encountering this kind of problem, everyone should also be anxious, today I will introduce a treatment method to you, that is, to water the rhododendrons these 3 kinds of "solutions", you can make the leaves of the rhododendrons prosperous and bloom violently!
The names of these 3 solutions are ferrous sulfate solution, imidamin solution, carbendazim solution, they can be used to prevent and control the problem of dry and black leaves, the following will give you a careful introduction to the reasons for this situation of rhododendrons, and the use of these 3 solutions.
Reasons why rhododendron leaves become dry and black:
The reason why azaleas have such a problem is because when we usually maintain azaleas, we often spray water on the azaleas with water, after using this method, and then receive direct sunlight, which can easily make the leaves of the rhododendrons dry and zoom, and appear black. In the long run, it is easy to cause the leaves of rhododendrons to become diseased and appear leaf spot disease.
There is also a reason that is related to everyone's usual fertilization, too much fertilization and too thick, and easy to make the root of the rhododendron damaged, so that a small piece of dry blackening slowly appears, for a long time without treatment, it will gradually expand. Finally, it is also related to the humidity of the environment, if the growth environment is too much than dry, it is easy to make the leaves dry and black.
How to use ferrous sulfate solution:
Ferrous sulfate itself is a solid particle, it is a chemical agent, but it can be used for flowers and plants, it has a lot of iron, and acidic, so it can add a lot of iron to the rhododendron, produce more chloroplasts and chlorophyll, make the leaves more plump and oily, have a certain control effect, and the acidic components can inhibit the infection of pathogens. If the situation of everyone's rhododendron is not serious, you can use ferrous sulfate solution to spray, when used, the ratio of ferrous sulfate to water must be carried out according to 1:500.
How to use imidamine solution:
Imidamin solution is a kind of agent specially made for plant leaf spot disease, so that when the leaves become dry and black, and slowly evolve into leaf spot disease, we can use the imidamin solution to water the rhododendron in time, half a month or so, you can let the rhododendron recover, the effect is very good. When used, dilute it with imidamin and water in the ratio of 1:1000, and then spray rhododendron with a spray, the effect is better.
How to use carbendazim solution:
Carbendazim is a common antibacterial and detoxifying plant agent, and rhododendrons appear dry and black, which is very much related to the bacteria, so that we can use carbendazim solution to spray the rhododendrons, which can greatly inhibit the expansion of the bacteria, and then prune off the diseased leaves, and then be able to recover.
Therefore, when you usually encounter the situation that the azaleas become dry and black, you may wish to use the above 3 solutions to spray the leaves, which can make the azaleas recover quickly, the leaves become more oily, and they can also bloom violently!