1.清沟排渍 春后雨水增多,油菜田易渍水,轻者将削弱油菜根系的呼吸和吸收能力,重者将造成烂根,因此应抓好春后清沟排渍。 2.中耕松土 春后在油菜苔期,结合施苔肥对油菜中耕1～2次,通过浅锄松土,既能控制杂草的生长,又能埋没初发的菌核病在地面上形成的子囊盘,能有效地减轻病害的发生,同时还改善了土壤的通透性。 3.打老黄叶 油菜菌核病发生后最易通过花瓣和衰老叶传染至茎秆,在油菜开花的中后期及时打去主茎分枝 1. Qinggou row of stains after the spring increased rainfall, rapeseed easy to waterlogging, light will weaken the rape root respiration and absorption capacity, severe cases will cause rotten roots, it should catch good spring ditch row of stains. Cultivated soil loose spring spring in the rapeseed period, combined with moss on rapeseed cultivated 1 or 2 times, through shallow hoe loosening soil, both to control the growth of weeds, but also buried the initial onset of sclerotinia on the ground The formation of ascus plate, can effectively reduce the incidence of disease, but also improve soil permeability. 3 play old yellow leaf rape Sclerotialis disease most likely to pass through the petals and the aging leaf infection to the stalks in the rape late flowering in time to hit the main stem branch