近年来，福安广大菜区苗圃的扦插菜苗不同程度地发生条煤病，并呈迅速蔓延趋势．某煤病传染快，危害严重，必须及时采取防治措施，以减少经济损失，其病因及防治方法是：一、发病起因与特征1．条煤病越冬病菌产生的拘于借风雨或气流飞散，落在莱兹多种粉虱类、蚧类、蜡蝉类及蚜 In recent years, the majority of Fu’an nursery vegetable nursery stock cuttings disease occurs to varying degrees, and showed a rapid spread trend. A coal infection contagious fast, serious harm, we must take timely control measures to reduce economic losses, the etiology and prevention methods are: First, the causes and characteristics of the disease 1. Article over the winter of coal disease caused by the wind or air currents flying scattered, fell on Leeds a variety of whitefly, scale species, waxy cicadas and aphids