桑青枯病是桑树的危险性病害,目前仅发生于广东省主要桑区(省外、国外均未有报导)。为了区分青枯病和其他类似病状的病害以及防止带病苗木、接穗等传入无病区,必须对桑青枯病进行简单、快速、准确 Mulberry leaf wilt is a dangerous disease of mulberry, which is only present in the main mulberry fields in Guangdong Province (both outside the province and abroad). In order to distinguish the diseases of bacterial wilt and other similar diseases and to prevent the diseased seedlings, scions and the like from being introduced into the disease-free zone, the bacterial wilt of the disease must be simple, rapid and accurate