近年来 ,萝卜萎黄病的危害日益严重 ,影响产量与品质。现就萝卜萎黄病的发生条件、田间检查和防治对策介绍于下。1　病原和病征萎黄病是由尖孢镰刀菌的霉菌引起的。该病菌有菌丝 ,椭圆形小型分生孢子和月牙形大型分生孢子 ,还有厚膜孢子。多以菌丝和分生孢子的形态残留在土壤中 In recent years, turnip yellowing disease increasingly serious harm, affecting the yield and quality. Now on the occurrence of radish chlorosis conditions, field inspection and prevention measures introduced in the next. 1 pathogens and symptoms of chlorosis is caused by fungus Fusarium oxysporum. The bacteria hyphae, oval small conidia and crescent-shaped conidia, and thick-film spores. Most of mycelium and conidia in the form of residue in the soil