What are the common diseases of saffron crocus? Detailed explanation of prevention and control methods
Saffron crocus is one of the precious ornamental flowers. When it blooms, it is graceful and elegant, with a faint fragrance drifting through the air. During cultivation, it is inevitably troubled by diseases, which affect its ornamental beauty. Below, the editor will introduce the common diseases and their prevention and control methods.
1. Root rot
Root rot mainly occurs at the seedling and flowering stages. When it strikes, the plant wilts, turns light yellow, and eventually dies.
Prevention and control methods: Promptly pull out the affected plants and burn them, spread some quicklime near the affected plants to prevent the spread of the disease, and replace the soil where the affected plants were grown.
2. Rust disease
When rust disease strikes, it looks like rusting metal, with rust-colored spots appearing, affecting its ornamental beauty. It mainly harms the leaves.
Prevention and control methods: Disinfect the seeds or corms before planting, promptly remove affected leaves to avoid infecting other plants, and spray fungicide regularly to eliminate the disease.
3. Sclerotinia disease
Sclerotinia disease mainly occurs at the seedling stage, harming the corms and causing the entire plant to rot.
Prevention and control methods: Remove injured or diseased corms to avoid the spread of the pathogen and greater losses. After removing the diseased areas, spray with a 500-fold dilution of 50% thiophanate-methyl wettable powder to prevent the disease from recurring.
4. Mosaic disease
When mosaic disease strikes, the plant becomes dwarfed, the leaf shape becomes twisted and deformed, and yellow striped spots appear on the leaves. In the later stage of the disease, the leaves necrose on a large scale. During the flowering stage, the flowers are relatively small, and in severe cases the plant will not bloom at all.
Prevention and control methods: When planting, choose excellent varieties with good plant health and strong disease resistance.
The above are several common diseases of saffron crocus during cultivation and their prevention and control methods. Have you learned them, friends? Be sure to deal with diseased plants promptly, otherwise they will affect other healthy plants.