甘薯SPVD病毒病的发生特点及防治对策  

Occurrence Characteristics and Control Countermeasures of Sweet Potato SPVD Virus Disease

作　　者：刘毅 LIU Yi(Agricultural Comprehensive Service Station of Pingliang Town in Hanyin County,Hanyin Shaanxi 725103)

机构地区：[1]汉阴县平梁镇农业综合服务站,陕西汉阴725103

出　　处：《现代农业科技》2020年第21期141-142,共2页Modern Agricultural Science and Technology

摘　　要：SPVD病毒病是导致甘薯种性退化、品质变劣、产量降低的混合侵染性病害。本文介绍了甘薯SPVD病毒病的侵染病原、流行规律、症状表现、危害特点,提出了相应的防治对策,以期为减轻甘薯SPVD病毒病的发生提供参考。SPVD virus disease is a kind of mixed infectious disease which leads to seed degeneration,quality deterioration and yield reduction of sweet potato.In this paper,the infection pathogen,epidemic regularity,symptoms and damage characteri-stics of sweet potato SPVD virus disease were introduced,and the corresponding control countermeasures were put forward,so as to provide reference for reducing the occurrence and harm of sweet potato SPVD virus disease.

关 键 词：甘薯 SPVD病毒病 侵染病原 流行规律 症状表现 危害特点 防治对策 

分 类 号：S435.31[农业科学—农业昆虫与害虫防治]