近年来,一种未见报道的新病害在福建省永安市飞桥莴苣上发生为害,造成莴苣褪绿、心腐及死亡,田间大量缺株,影响种植效益。通过调查、试验研究,并经PCR检测,认为该病非真菌、细菌、病毒、缺素为害造成。初步认定该病害是一种由植原体病原引起、由昆虫媒介传播的侵染性莴苣新病害,防虫治虫可以有效控制其为害。病原菌具体学名还有待进一步研究确定。 In recent years, a new disease has not been reported in Yong’an City, Fujian Province fly bridge lettuce damage, resulting in lettuce chlorotic, heart rot and death, a large number of lack of plants in the field, affecting planting efficiency. Through investigation, experimental study, and by PCR detection, the disease is considered non-fungal, bacterial, virus, caused by lack of nutrients. The disease was preliminarily identified as a new disease of infectious lettuce caused by the pathogen of phytoplasma and transmitted by insect vectors. Pest control could effectively control its damage. The exact name of the pathogen needs further study to determine.