Peony planting: how can peony prevent and cure virus disease?
How does peony flower prevent and cure virus disease? What harm does viral disease have to peony flowers? Please introduce the harm of the virus disease to peony flowers: peony ringspot virus produces concentric round spots of dark green and light green on the leaves, at the same time, there are small necrotic spots, plants are not dwarfed, TRV also changes in different sizes of ring spots or wheel spots, sometimes irregular, while PLCV causes obvious dwarfing, weak and twisted lower branches, yellowing and curling leaves. Method of transmission of virus disease: peony virus disease is transmitted by aphids; it can also be inoculated with sap; nematodes, dodder seeds and peony seeds can all transmit virus; and it can be transmitted by grafting. Prevention and control methods of peony blossom virus disease: 1. Do not use diseased plants as breeding materials. When diseased plants are found, they should be cleaned up in time. 2. Early prevention and control of virus-transmitting aphids. Clean up the surrounding weeds and reduce the source of infection. Click to get more peony planting techniques click to get more flower planting techniques
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Peony planting: how to prevent and cure peony white silk disease?
How to prevent and cure peony white silk disease? What harm does peony white silk disease have? Please introduce the harm of peony white silk disease: click to open the link. Peony white silk disease mainly occurs at the base of the stem near the ground of the seedling. At the beginning, the skin of the disease turned brown, gradually developed around it, and produced white silk in the disease.
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Peony planting: what is peony white silk disease?
What is peony white silk disease? What is the harm of peony white silk disease? How to control the harm of peony white silk disease: the disease mainly occurs at the stem base of the seedling near the ground. At the beginning, the cortex of the disease turned brown, gradually developed around it, and produced white silk-like hyphae in the disease.
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