What should the seedling of cauliflower seeds do?
Because cauliflower seed seedling is in summer or early autumn, it is necessary to overcome the adverse factors such as high temperature, rainy and pests, so it should be seedlings in the shed of facilities with good ventilation, drainage, shade and rainstorm prevention.
After sowing the seedbed in time to cover the film moisture conservation, the film stamped with shading net cooling, the shed covered the top film, the top film stamped with shading net, the temperature in the shed control in about 25 ℃. After sowing 2 days to check the seedling situation, when there are about 70% seedlings in the evening will be the seedbed on the film and shading net removed.
The seedbed management does not water before breaking the heart, preventing the lower embryo axis from being too high to form tall seedlings. The seedling stage does not exceed 25-30 days.
The main diseases in seedling stage are: sudden inversion disease and blight disease. The control method is after seedling arch soil
Use 75% hundred bacteria clear 500 times times liquid or 50% polymycin 500 times times liquid and other agents alternately used 2-3 times.