Honeysuckle Common Pest Control
Honeysuckle, a commonly used Chinese herbal medicine, has been cultivated for more than 1,500 years in China. Its disease resistance is strong and rarely infected. This is because honeysuckle stems, leaves, buds contain chlorogenic acid, which can inhibit the invasion and growth of pathogenic microorganisms. The honeysuckle growing on the wet ravine is susceptible to brown leaf spot and leaf spot of honeysuckle, and a few plants suffer from white peony disease, powdery mildew, anthrax, and rust. Insect pests are an important factor in the reduction of honeysuckle production. Chinese honeysuckle round oystercatchers and honeysuckle maggots are the main pests. Adhering to the "prevention-based, comprehensive prevention and control" plant protection measures can guarantee the production of green pollution-free honeysuckle products. Honeysuckle brown spot The main damage plant leaves. At the onset of the disease, yellow-brown spots appeared on the leaves, and several small spots merged together at the later stage. They were round or limited by the veins and presented as polygon-shaped lesions. When wet, there is a gray mold on the back of the leaf. When dry, the middle part of the lesion is easily broken. When the disease is serious, the leaves fall off early. The disease is prone to rainy years, and leaves near the ground are more susceptible to surface wetness. Peak incidence is generally from July to August. Control methods: Agricultural control: timely removal of diseased leaves at the early stage of disease, or combined pruning and pruning in winter, concentrated burning of diseased leaves or deep soil; strengthening field cultivation and management, timely draining water from fields after rain, removing weeds around the plant base, and ensuring ventilation Transmit light; increase organic fertilizers and increase the plant's own disease resistance. Chemical control: From the end of June, spray 1000-1500 times of Amisida every 10-15 days, or 50% of Skoda 2000 times, or 1 to 1.5 than 300 times of Bordeaux, or 50% Carbendazim 800-1000 times liquid, even spray 2-3 times. The main pharmaceuticals are: Amisida, fast-king, thiophanate-methyl and others. Chinese honeysuckle More concentrated in the back of the young leaves of honeysuckle, the main juice damage young shoots, young leaves and buds, the general leaves of the victims back atrophy, the first leaf veins turn reddish-brown and gradually extended to the vein leaf mesophyll, young shoots and flower buds are not atrophy, In severe cases, the affected parts are wilted and dry, and the buds of the whole plant are not received. The disease occurs more than 20 generations a year. In early spring, the egg hatched in winter and began to injure young leaves before and after Ching Ming. Later, it gradually spread. In May and May, it seriously damaged honeysuckle, and in May and July, it severely damaged umbelliferous vegetables and honeysuckle. In the summer, asexual reproduction is generally performed. The temperature increases and the breeding increases. Severe weather is serious. Control methods: Agricultural control: Combine pruning in the green season in summer to maintain ventilation and light transmission in the pier and reduce canopy closure. Yellow armyworm board can be used in the field to slay and kill winged plagues; use of natural enemies such as ladybugs, hoverflies, grasshoppers, and predators. , bees and other bees. Chemical control: In the initial stage of occurrence, use 25% thiamethoxam water dispersible granules 5000-8000 times solution, 10% diphenhydride aqueous solution 2500 times, 40% imidacloprid emulsion oil 1000-15000 times or 20% acetamiprid soluble powder 3000 times liquid. The last medication must be taken 10-15 days before honeysuckle. Honeysuckle feet The instar larvae feed on the back of the leaves, giving the leaves a lot of transparent spots. After 3rd instar, the leaves were eroded and the leaves appeared irregular and incomplete. The 5th instar larvae entered the gluttony phase. When the damage is severe, all the leaves and buds of the honeysuckle can be eaten. Only the branches are left. If the damage is continuous for 3-4 years, the plants will dry up and die. The disease occurs 3 generations a year. The first generation of larvae occurs from early April to mid-June. Adults range from early June to mid-July. The second generation larvae occur from mid-June to mid-August, and the adults range from early August to early September. The third generation (overwintering) larvae occur from mid-September to early November and mature larvae in the middle and late September begin to overwinter. Control methods: Physical control: Using adult phototaxis, a frequency-vibrancy insecticidal lamp installed every 2-3.3 hectares can reduce the number of adult insects. Chemical control: Spraying and controlling pesticides in the generation of larvae in each generation can effectively control the occurrence of honeysuckle. The commonly used agents are 20% chlorantranilipronamide suspension 3000-4000 times, 3% hypertonic phenoxycarb 3000 times, 1.2% nicotine matrine EC 1000 times, 15% Indocyanvir EC 3500 times Liquid, 4.5% Lambda-cyhalothrin EC 22.5-45 g/ha, Emamectin Benzoate Microemulsion 8-20 g/ha. It should be noted that the use of drugs should be stopped 10 days before flower collection to reduce pesticide residues and ensure the quality of medicinal materials. It is forbidden to use pesticides with high toxicity, high residue and long residual effect. 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