摘要
通过2001—2002年的田间调查和室内鉴定,明确了宁夏苜蓿病虫害的发生种类、分布和危害程度。目前,在宁夏苜蓿生产中大面积发生并引起灾害性损失的害虫为蚜虫、蓟马、草地螟、象甲和潜叶蝇,病害为苜蓿褐斑病、霜霉病、白粉病和花叶病,并提出相应的防治对策。
The field investigation and indoor identification indicated the species, their distribution and harmfulness of Alfalfa disease and insects in Ninxia, which showing that the major insects occurred at large area and caused damage in Ningxia alfalfa production were aphids, thrips, grassland moth, weevils and leaf miner Themain diseases included alfalfa common leaf spot, downy mildew, powdery mildew and alfalfa mosaic virus Control strategy were also presented accordingly
出处
《草业科学》
CAS
CSCD
2003年第6期40-44,共5页
Pratacultural Science
基金
自治区"8613"重点攻关项目"宁夏苜蓿病虫害预测预报及防治技术研究"(2002 Z01 06)
