摘要
宁夏引黄灌区春小麦白粉病田间发展速度较快。病害消长过程大体有始发期、始盛期、盛发期、停滞期４个阶段。影响病害消长的最重要气象因素是大气相对湿度，其次是气温，降水对病害发展是不利的。
The spring whect Powderg mildew develops rapidly in fields in the irvigation area of ningxia.The disease development process mainly includes 4 stages:beginning period,full incidence beginning period,full incidence period and Stagnant period.The most important meterological factors influencing disease development are,firstly,relative moisture of aerosphere,and secondly,air temperature.Rainfall is adverse to disease development.
出处
《宁夏农林科技》
1997年第4期13-15,共3页
Journal of Ningxia Agriculture and Forestry Science and Technology
关键词
春小麦
白粉病
消长趋势
气象因素
Spring wheat
Powdery mildew
Development trend
Meteriological factors.
