ring rot of carnation
[pathogen] Carnation erosion ring virus (Carnationetchedringvirus,CaERV), the lethal temperature is 80-85 ℃. The in vitro survival time was 140 days.
[symptoms] annular or wide linear necrotic spots appeared on the leaves, which were more obvious on the seedlings. In severe cases, the necrotic spots are connected and the leaves are twisted.
- Prev
Latent mosaic disease of carnation
[pathogen] Carnation latent virus (Carnationlatantvirus,CaLV), lethal temperature 60-65 ℃. The in vitro survival time was 20 ℃ for 2-6 days. [symptoms] the virus generally showed no symptoms after infecting carnation, but could significantly reduce the plant growth and the quality of flowers. Mosaic can be produced when co-infected with carnation vein mottle virus. Obvious chlorotic foliage can be formed on the indicator plants. [incidence regularity and epidemic characteristics] the above-mentioned viruses
- Next
Rust of carnation
[pathogen] Uromycescaryophyllinus (Schrank) Wint., belongs to the subphylum of fungal basidiomycetes and monospore rust. The rust fungus is produced by the transferred host. [symptoms] the disease is mainly harmful to leaves, but also to stems and calyx. The injured site initially showed small light-colored protuberant spots, followed by yellow around. When severe occurs, leaves and stems are twisted. During the growing season, a small brown powder pile appears on the back of the susceptible leaf or on the stem and sepals, that is, the summer spore pile of the pathogen, autumn and winter.
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