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.
作者
刘毅
LIU Yi(Agricultural Comprehensive Service Station of Pingliang Town in Hanyin County,Hanyin Shaanxi 725103)
出处
《现代农业科技》
2020年第21期141-142,共2页
Modern Agricultural Science and Technology
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
sweet potato
SPVD virus disease
infection pathogen
epidemic regularity
symptom
damage characteristic
control countermeasure
