Why do the leaves of the cassia tree turn yellow and develop rust spots?
Here are some experiences in green plant maintenance regarding why the leaves of the cassia tree turn yellow and develop rust spots, and I welcome corrections if there are any mistakes!
Why do the leaves of the cassia tree turn yellow and develop rust spots?
The leaves of the cassia tree turning yellow and developing rust spots may be due to the infection of the (T-J) disease, which commonly occurs between April and June. Initially, there will be spots on the leaves, which gradually expand and turn into yellow rust spots. It is necessary to cut off the diseased leaves as soon as possible and spray fungicides such as carbendazim. It could also be infected with brown spot disease, which commonly occurs between April and October. When detected, it is also necessary to clean the diseased leaves and spray Bordeaux mixture, validamycin, etc.
The above [] introduction to why the leaves of the cassia tree turn yellow and develop rust spots is for reference and suggestion.