How to manage black spot on ground-planted climbing roses
This article provides you with the experience of managing black spot on ground-planted climbing roses. Next, the editor will introduce to everyone.
How to manage black spot on ground-planted climbing roses
When growing roses, if you encounter black spot disease, everyone knows to apply pesticides in a timely manner to prevent and treat.
If the management is inadequate, leading to severe black spot disease in roses, encountering such extreme situations, the step-by-step maintenance methods introduced online may not be applicable. Today, let's talk about the methods to deal with particularly severe black spot disease.
This 'Golden Celebration' has developed a very severe black spot disease after blooming twice this year. Coupled with consecutive rainy days and no timely treatment, all the old leaves have become infected, resulting in a large amount of leaf shedding on the entire rose plant.
According to normal maintenance methods, we should now remove all the severely diseased leaves and then spray therapeutic drugs such as 'Shigao' or 'Nadingwen'.
Limited time and energy, coupled with the inability to treat in a timely manner, has led to the severe spread of black spot disease. If your climbing roses are grown in the ground, you can carefully observe the new shoots. If you find that despite the severe black spot disease, they continue to grow,
if you really don't want to deal with it, you can wait until winter and then manage everything at once. I can responsibly tell everyone that even in such a state, the ground-planted roses will not die.
You can see a large number of black spots on the old leaves while a large number of new shoots are growing and continue to develop flower buds. Although it will affect the plant's growth and ornamental value, this is an unavoidable situation for some业余爱好者.
For such climbing roses that have been maintained for two to three years, the maintenance has become very simple. In the seedling stage, how to make this rose grow, but after two years of planting, you may feel overwhelmed by their vigorous growth.
Even in the case of disease, every year, they will still sprout a large number of new shoots, which is enough for us to shape in winter and we don't have to worry about not having new branches to牵引.
My 'Golden Celebration' often develops such black spot disease every summer. However, by winter, I still cut off a large number of branches because most of them are too dense and actually不利于 flowering.
If such severe black spot disease occurs, at this time, we can cut off all the old branches that were tied in winter and focus on training the existing new branches. Then, we can pull these existing branches horizontally to complete our shaping.
Although this maintenance method is not worth recommending, there is no need to worry too much if such special situations occur. It is difficult to make this rose with black spot disease easily die, and it is definitely not as exaggerated as what some gardening bloggers say.
The above introduction on how to manage black spot on ground-planted climbing roses provides some small green plant care experience, hoping to bring help to your life!