Why did the ground-planted roses suddenly wither on a large scale?
If you want to know why the ground-planted roses suddenly withered on a large scale, here is a discussion on the topic for everyone to understand.
Why did the ground-planted roses suddenly wither on a large scale? Everyone who likes to grow roses knows that roses have many diseases and pests and are not easy to cultivate. But if we talk about ground-planted roses that suddenly turn yellow and wither in large numbers within a short period, what do you think might be the cause?
Yesterday, a flower enthusiast asked this question, which made me quite puzzled. Why don't all the flower enthusiasts come together to explore the possible reasons?
The situation was like this: the enthusiast sent me several photos and asked what disease they had. The roses had a lot of yellow leaves, and it seemed to be contagious, as many roses showed the same symptoms.
Judging from the photos above, the rose leaves showed a lot of leaf tips turning yellow and drying out. Experienced enthusiasts might immediately think of fertilizer damage.
Fertilizer damage or excessive drought can cause the leaf tips to dry out, which is quite common. So, my first thought when seeing the photos was drought or fertilizer damage.
But the enthusiast said that it often rains and they also water the plants, so it's not drought. As for fertilizer damage, they haven't top-dressed for a while, but the yellow leaves have persisted for about a month to half a month. And indeed, they had applied fertilizer before the yellowing.
Based on this information, do you also think it should be fertilizer damage? I initially thought so, but our enthusiast raised a question. She said, if it's fertilizer damage, why did only the roses in the low-lying areas show these symptoms, even though they are planted in the same ground and managed the same way?
The information from the photos and the described management indeed points to fertilizer damage. If only the roses in the low-lying areas are affected, it's possible that the water from rain or watering washed the fertilizer to the roots of the roses in the low-lying areas, causing fertilizer damage.
Why did the ground-planted roses suddenly wither on a large scale?
The reason for this is because I have experienced it myself. There was a time when I over-fertilized the ground-planted roses, and when I flushed the water, the fertilizer water flowed to the roses on the lower ground nearby, causing those roses to wither from fertilizer damage as well.
But this enthusiast still doesn't think it's likely. They insist that it might be some kind of disease that is contagious, as the newly planted roses have also shown the same problems. Then they took a panoramic photo and sent it to me.
This is a rose garden in a park with many roses. However, based on my knowledge of roses and the experience accumulated over the years, it shouldn't be a disease. The enthusiast also said that they invited experts to look at it, and they diagnosed it as T-J disease. They also applied several types of effective fungicides, but the problem of yellowing and withering has not been resolved.
Judging from the enthusiast's management, I am sure it's not a disease, but to be honest, I am not entirely confident in the diagnosis of fertilizer damage. Because the enthusiast said that the new leaves that grow out will eventually wither like the old leaves after a while. After receiving this information, I thought it should be a problem with the soil. Then the enthusiast sent a short video.