【摘要】 本文较详细地报道了宁夏桑树几种主要病害的症状、病原、分布及发生发展规律，并针对４种桑病提出了防治意见。更多还原

【Abstract】 The author reported symphoms,pathogene,distribution and regularity of cocurrence and development of serveral main mulberry diseases,which are phyllactinia moricola,Sirosperium mori,Valsa sp.Mulberry mosaic Virus,Pseudomonas solanecearum,Septogloeum mori,Diplodia mori,Phoma morcola,Colletotrichum morifolium,Nectria cinabarina.Control mesures to four diseases were put forward as well in this paper.更多还原