The main diseases of Tianying pepper are virus disease, epidemic disease, anthracnose disease, scab disease and sunburn disease. The main pests are aphids, cotton bollworms, beet armyworms, etc., causing deciduous, falling flowers and fruit drop of Tianying pepper, resulting in lower yield and quality.
1, viral disease: is one of the main diseases of Tianying pepper, the disease is mainly caused by aphid transmission. The affected plants generally have a mosaic type, a arbuscular type, and a yellow type.
2. Epidemic diseases: The epidemic diseases are fungal diseases, which are the main diseases causing dead branches and dead trees in the field. Leaves, stems and fruits can be infected.
3. Anthrax: A common disease is the main cause of defoliation in the field. High temperature and high humidity, water accumulation in the field, excessive density, excessive nitrogen fertilizer, is conducive to the spread of the disease.
4, pests: the main pests that harm Tianyingjiao are aphids, cotton bollworms, beet armyworms, cabbage caterpillars, etc., which can occur from late June to early September, with heavy damage from July to August.
Integrated prevention
1. Strengthen field management to implement crop rotation or intercropping with corn, which can effectively reduce pests and diseases. Apply sufficient base fertilizer and increase potassium fertilizer to enhance the disease resistance of the plant. Pay attention to timely drainage, cultivating, and weeding after the rain, creating conditions that are not conducive to disease.
2, chemical control
Viral disease: In the early stage, timely control of aphids can be sprayed with 10% imidacloprid 1500 times solution. It was found that the condition was timely sprayed with 20% virus A wettable powder 400 times liquid or 1.5% phytopathogenic emulsion 500 times liquid, once every 7 days, and even 2-3 times.
Epidemic disease: timely use in the early stage of the disease, 75% chlorothalonil wettable powder 600 times solution, 64% antivirus WP WP 400 times solution, 72% gram dew 800 times solution, 70% mancozeb 400 times solution, interval 7-10 days, even 2-3 times, can effectively control the disease epidemic.
Anthrax: 75% chlorothalonil 600 times solution, 70% methyl thiophanate 400 times solution, 80% anthrax fumei 600-800 times solution, spray once every 7-10 days, even 2-3 times.
Helicoverpa armigera, beet armyworm, and cabbage caterpillar: 10 insects in a timely manner. 52.25% agricultural land 1000 times liquid, beta-cypermethrin and phoxim 1:1 mixed with 1000 times liquid, spray.
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