Pest control: diseases and insect pests of Flos Lonicerae and their control
Anthracnose often occurs in summer, which can be perfused with 500-1000-fold dilution of diexamethasone powder. Rust, spray with 200 / 250 times of diazepam sodium (50kg / 100g washing powder can be added to 50kg liquid as stain). Insect pests include aphids, longicorn beetles, etc., aphids can be sprayed with 4000 times of imidacloprid, and longicorn beetles can be sprayed and killed. However, it should be noted that the use of toxic pesticides is strictly prohibited in the budding stage of Flos Lonicerae.
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Gray spot of licorice
In order to damage the leaves, it forms a nearly round brown and gray disease spot in the middle. Prevention and cure method: ① cleans the garden in winter and treats the remains. During the onset of ②, the patients were sprayed with 120-fold Bordeaux solution or 1500-2000 fold solution of 70% methyl topiramate wettable powder.
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Prevention and control of diseases and insect pests of Pinellia ternata
(1) Root rot: this disease is easy to occur in high temperature season and stagnant water in the field. After the disease, the underground tuber rotted, and the shoot immediately fell to death. The prevention and treatment therapy mainly pays attention to drainage, pulling out the diseased plants and treating the diseased holes or watering the roots with 5% lime water, or soaking the seeds with 0.5% Mel 2% lime water for 12 hours for 30 hours. (2) virus disease: the specific manifestations are shrinking leaves and mosaics, which mostly occur in spring and summer. After the disease occurs, the diseased plants should be removed and burned and disinfected with lime. (3) Red diamondback moth:
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