Broccoli cultivation techniques: what is broccoli blight?

What is broccoli blight? Please introduce and control the symptoms of broccoli stem blight, also known as black root disease, is an important seedling disease of broccoli. At the initial stage of the disease, the rhizome of the seedlings became black or constricted, and gray-white mildew appeared on it when it was moist. After the plant was infected, the leaves wilted and withered within a few days, resulting in the death of the whole plant. It generally stops expanding after planting. However, individual fields continue to die. In addition, the disease can also be characterized by sudden collapse or leaf ball decay. Broccoli stem blight can be controlled with reference to the following methods: 1. Spring cultivation should choose varieties that are not sensitive to low temperature in the early growth stage. Such as Green Ridge, Green Emperor, Green Green, Zaosheng Green, Bisong, Jasmine, Luhua No. 2, normal Saline, Shanghai No. 1 and so on. 2. Cabbage seeds were coated and covered with film. 0.1% oxytetracycline or 3% 75% chlorothalonil was added to the film-forming solution, stirred evenly, mixed according to the proportion of 30 parts of seeds and 1 part of medicine solution, and used after drying, which could prevent and cure the disease caused by bacteria in cabbage vegetable seeds. (3) sowing at the right time should not be too early or too late. Click to get more cauliflower planting techniques click to get more vegetable planting techniques