Winter celery soft rot control method

1. It is the best way to prevent and cure this disease by implementing rotation for more than two years. Selection of disease-resistant varieties, disease-free soil nursery. After the harvest, the soil was sunk or irrigated earlier on the basis of the complete removal of the diseased body, in combination with a plowing site.
2, to strengthen the cultivation and management, planting, loosing the roots to avoid injury, soil should not be too high, do not bury the petioles, stems in the soil, the onset of watering as little as possible or stop watering. Application of organic fertilizer, appropriate addition of phosphorus, potassium fertilizer. The diseased plant was found to be removed in a timely manner, the diseased point was decontaminated with formalin, and some lime was used to disinfect the soil.
3, with agricultural anti-751 powder or Fengling soluble powder, according to the seed weight of 1% after seed dressing, or with 2% agricultural anti-751 water 100 times liquid 15 ml 200 g mixed seeds, dried after sowing.
4, in the sowing ditch, with 2% of agricultural anti-751 water agent 5 kg or 1 kg of Fengling soluble powder, add water, 50 kg, evenly applied in a ditch in the ditch.
5, seedling period with Fengling soluble powder 500 grams, add water, 50 kg, watering the roots and spraying petioles and base, or when watering, with water per acre with agricultural anti-751 agent 2 ~ 3 kg.
6. In the early stage of disease, it can spray 72% of agricultural streptomycin sulfate soluble powder or neophytin 4000 times solution, 30% DT WP 400 to 500 times solution, 50% dexamethasone aqueous solution 800 times solution. Spray the plants and water the roots and necks, spray once every 7-10 days depending on the condition, spray 2 or 4 times continuously.

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