Rhododendron is a very common floral plant in life, whether it is as a choice of landscaping flower varieties, or the maintenance of home flower pots, this is a highly praised flower, because this plant is really too good to raise! However, when the azalea is sick, do you know the corresponding treatment? I believe that many friends do not understand the characteristics of these plants in their daily lives, and when the flowers will get sick, they will basically be helpless, especially when the rhododendron leaves are "rusty", then they do not know what to do.
What should I do if the rhododendron leaves are "rusty"? Spraying, water control, ventilation 3 steps, problem solving!
Why do the leaves of azaleas rust? In fact, this is only because the leaf has a disease, so we have to find a way to "remove rust" for it, so that the rhododendron can grow healthily. So what to do when the leaves of the rhododendron have rust spots? First of all, we must do a good job in spraying, water control, ventilation trilogy, by spraying about 2500 times the liquid of Ricketella wettable powder, and then control watering, avoid soil water, and finally maintain a well-ventilated environment, you can create a very suitable growth conditions for rhododendrons, so that you can effectively prevent rust and spot disease in rhododendron leaves.
But how do you do these steps? Next, Aye will briefly share it with you.
An important trilogy of conservation rhododendrons to control rust spot disease:
1. Spraying
When rust spots occur in the leaves of rhododendrons, they must be treated with drugs, so that they can effectively remove germs and prevent rust spots on rhododendron leaves from spreading. In general, the cause of rust spots on the leaves of rhododendrons is usually caused by infection with brown spot disease, so it is necessary to remove the leaves infected by the pathogen first, and then spray 2500 times the liquid Lectra wettable powder, preferably to choose a 12.5% specification. Daily care of rhododendrons can also be sprayed with some sterilization drugs, usually diluted about 2000 times.
2. Water control
In the process of conserving rhododendrons, water control is also a very important step, everyone knows that rhododendrons like to grow in a ventilated and cool environment, but it is a water-resistant plant, to avoid water in the soil, so that you can reduce the possibility of bacterial growth, but also can prevent the root rot of rhododendrons. Therefore, when we usually water the rhododendrons, we must control the amount of watering and maintain a slightly tidal state of the potting soil.
3. Ventilation
Having a good ventilation environment is a crucial factor in the healthy growth of rhododendrons. Because only by maintaining a good ventilation can we effectively reduce the breeding of germs, but also promote the growth of rhododendron branches and leaves, and avoid the occurrence of rust and spot disease because the branches and leaves are too dense. Therefore, it is best for everyone to maintain a ventilated and cool environment for azaleas, do not put it in an unventilated corner, and usually spray the branches and leaves of the rhododendron with water to moisturize, which also needs to be carried out in a ventilated environment, so as not to cause leaf lesions because the water is not ventilated.
Other causes of rhododendron leaf rust spots:
Rhododendron rust may be because the light is too strong, and then the growth environment humidity is too dry, but also will lead to rust-like spots on the leaves, for this case of rust spots, you can not spray drugs, just need to put it in a ventilated and cool place, pay attention to shade and sunscreen, it is best to put it in a half-shade and half-yang with a lot of scattered light for maintenance. The second is to spray too much ferrous sulfate on rhododendrons, which will also cause rust spots in the leaves of rhododendrons, and the prevention and control method for this situation is very simple, that is, do not spray ferrous sulfate on the leaves of rhododendrons, once the rust spots appear, then rinse the leaves with water several times, and then water some brassica can also effectively alleviate and promote healing.
Finally, if you dear friends for rhododendron rust spot disease, there are more interesting prevention and maintenance tips, welcome to leave a message below to share Oh, you can discuss with all flower friends to discuss and communicate!