What Causes Black Spots on Peony Leaves
Today, the editor will introduce the topic of why peony leaves have black spots, and provide a detailed introduction for you below.
What Causes Black Spots on Peony Leaves
Black spots on peony leaves are likely due to the plant being infected with black spot disease. Usually, when the disease first starts, black lesions will appear on the leaves. After peony leaves develop black spots, it is necessary to treat them with medication promptly, cut off the affected leaves, and burn them集中, also spray them with methyl thiophanate and carbendazim solution, applying every 7 to 10 days, for about 3 to 4 consecutive applications.
What Causes Black Spots on Peony Leaves
Black spots on peony leaves are likely due to the plant being infected with black spot disease, usually appearing as black lesions on the leaves when the disease first starts.
What to Do When Peony Leaves Have Black Spots
When peony leaves have black spots, it is necessary to treat them with medication promptly, cut off the affected leaves, and burn them集中, also spray them with methyl thiophanate and carbendazim solution, applying every 7 to 10 days, for about 3 to 4 consecutive applications.
Preventing Black Spots on Peony Leaves
To prevent black spots on peony leaves, it is necessary to spray Bordeaux mixture after the flowers fall, every 10 to 15 days, continuing until the end of July. This can effectively prevent the occurrence of leaf spot disease.
The above information is about why peony leaves have black spots and we hope it is helpful to you!