Cucumbers need to promptly identify the cause after flowering and take targeted measures.
1. Burning roots cause flowers to be topping, which should be timely and appropriate watering, so that the soil water holding capacity of 22%, relative humidity of 65%, timely cultivator after watering, and promote the restoration of normal growth.
2. The top of the root of the flower is to be topped, the cultivator is appropriately increased, the management of the ground temperature is strengthened, and the ground temperature is raised to above 12°C as soon as possible. It was found that watering of the roots appeared grayish water spots, cultivating in time, drying the soil in the trenches if necessary, raising the ground temperature as much as possible, and reducing the soil moisture content. At the same time, remove the small melons that have already been planted, reduce nutrient consumption and promote root growth. When the new root grows and the plant returns to normal growth and development, it can be transferred to normal management.
3. If the night temperature is low and the flowers are topping, you should try to increase the night temperature so that the temperature in the middle of the night can reach 15°C for 4 to 5 hours and the temperature can be maintained at about 10°C in the middle of the night.
4. Injury causes the flowers to be topping, measures should be taken to protect the roots, pay attention to minimize rooting when cultivating, and prevent temperature, moisture and malnutrition from affecting root growth.
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