1．适期收获：油菜籽收获过早，嫩粒多、含水量大，影响种子饱满度，且不宜晒干保存；收获过迟，角果爆裂，子粒损失大。宜在黄熟期收获，即大田有80％～90％的角果变黄，种子变稿时为妥。收割时应将菌核病株剔除（连根拔起一并运出田外），切忌混入健株内，否则在堆放期间，病 1. Appropriate harvest: rapeseed harvest premature, more tender grains, water content, affecting seed fullness, and should not be dried in the sun; harvest too late, horn burst, grain loss. Should be harvested in the yellow maturity, that field has 80% to 90% of the yellowing of fruit pod, when the seed is a proper draft. Harmful sclerotinia should be removed (uprooted and shipped out of the field), should not be mixed into the plant, or in the pile, the disease