Disease and Pest Control of Chloranthus Officinalis
As a plant with both ornamental and medicinal value, Chloranthus Officinalis is widely popular in courtyard greening. However, during actual cultivation, the issue of diseases and pests often becomes the main problem that troubles growers. This article systematically sorts out the common diseases and pests of Chloranthus Officinalis and provides scientific control methods to help you cultivate healthy plants.
Chloranthus Officinalis Disease Control System
Symptoms and Control Plan of Rust Disease
Rust disease is prevalent at the end of spring and the beginning of summer. Initially, it manifests as orange-yellow pustules on the back of leaves, with corresponding chlorotic spots on the front. It is recommended to adopt comprehensive control measures: 1) Remove diseased and damaged leaves in a timely manner; 2) Spray alternately with 20%萎锈灵 emulsion 400 times and 15% triadimefon wettable powder 800 times at the initial stage of the disease, once every 7 days; 3) Maintain a plant spacing of more than 30cm to ensure ventilation and sunlight.
Key Points for the Control of Grey Mold Disease
This disease is prevalent during the plum rain season, with typical symptoms being water-soaked brown spots on petals covered with a gray mold layer. Key control points: 1) Prevent with 50% benomyl wettable powder 2500 times before the rainy season; 2) Spray 50% iprodione suspension 1500 times immediately upon detecting diseased plants; 3) Set up rain shelters to control environmental humidity below 65%.
Strategies for Coping with Chloranthus Officinalis Pests
Leaf Beetle Pest Management
Adults are 5-7mm long with a metallic sheen, and larvae gather to eat tender leaves. Suggestions: 1) Spray 2.5% bromide emulsion 3000 times during the activity period of overwintering adults in April; 2) Hang yellow sticky traps for physical pest control; 3) Turn the soil in winter to destroy overwintering pupae.
Spiny Caterpillar Pest Solutions
Larvae have toxic spines and primarily cause harm from June to August. Control measures: 1) Spray 25% chlorantraniliprole suspension 2000 times during the early instar stage; 2) Manually remove egg masses and pupae; 3) Protect natural enemies such as parasitic wasps.
By establishing a plant protection system that focuses on prevention and comprehensive control, combined with regular inspections and precise medication, the diseases and pests of Chloranthus Officinalis can be effectively controlled. It is recommended that growers apply decomposed organic fertilizer every quarter to enhance plant resistance, and also pay attention to the rotation of different pesticides to avoid resistance development.