How to control radish hollow disease
1, balanced water supply Radish growth and development stage, the required soil moisture is 65% to 80%, especially in the radish meat root swelling period, is the radish need water for most of the time, must always keep the soil moist, insufficient soil moisture supply or Suddenly damp and wet, it is easy to cause radish hollow. However, the amount of watering should not be too large. In case of heavy rain, it should be drained in time to prevent rooting or rot.
2, Boron Potassium Fertilizer can promote radish a big heart, potassium can promote high quality and high yield of radish. When radish grows 3 to 4 true leaves, it is necessary to make up the boron, generally 20 days before the radish harvest. A 0.3% potassium dihydrogen phosphate solution was sprayed every 10 to 15 days when the fleshy root began to swell. Can effectively prevent the hollow radish, improve quality, increase production.
(Source: China Agricultural Net)
How to Prevent the Occurrence of Eggplant Mushroom Disease in Rainy Days
Eggplant blight occurs in hot and rainy seasons. The rainy season is long and the rainfall is heavy. In particular, it is even rainy, the weather is hot, and the onset is early and heavy. Low-lying terrain, heavy soil, easy water in the field after rain, excessive dense planting, poor ventilation, and easy to cause disease.
Agricultural control: selection of disease-resistant varieties; rotation of crops other than solanaceous vegetables and melons for more than three years; selection of easily drainable land for planting, application of organic fertilizers and phosphorus and potassium fertilizers, and high-ridge cultivation, east-west direction, and Easy to arrange and easy to irrigation; reasonable close planting, promptly to the foot and leaves, so that the field ventilation, the field of rotten fruit, diseased leaves should be promptly cleaned up and burned or buried, spraying general tree maintenance and disinfection; full base fertilizer, Timely topdressing, increasing phosphorus and potassium fertilizer, to avoid partial nitrogen fertilizer.
Physical control: Soaking seeds in warm water with a new high-fat membrane for 15 minutes. After soaking, remove and dry. Can keep warm, moisturize, absorb, increase seed germination rate, make seedlings robust. Repel underground pests and isolate virus infections.
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