Method for preventing and controlling stiff seedling of greenhouse eggplant

Symptoms: eggplant in early spring often has the symptoms of small leaves, dark green color, thin stem, few roots and so on. This kind of seedling is slow, weak and easy to drop flowers and fruits after planting. The cause of the disease is that the temperature of the seedling bed is too low (less than 15 ℃ for a long time). When raising seedlings with heating facilities or nutrition bowls, the disease will occur if the bed soil is too dry if it is not watered in time. Control methods: eggplant seedlings in early spring is in the period of low temperature, so temperature management is the most important. First of all, low temperature tolerant varieties are selected, such as eggplant No. 12 and Yuanza No. 2 in round eggplant, Shouguang purple eggplant in long eggplant, etc.; during the growing period, new high fat film is sprayed to prevent bacteria from infecting and improve the ability to resist natural disasters; secondly, heating facilities are used, such as laying ground hot lines, and adding thermal insulation facilities such as small arch shed and second curtain to water in time to strengthen the management of temperature and moisture.