大通县春麦田主要草害的发生及防除

通过实地调查分析了长宁镇、桦林乡和斜沟乡3个地区麦田发生较严重的草害种类与防治方法.结果表明:危害大通地区春小麦的田间杂草种类有13种,分别是野燕麦、车前、藜(灰条)、播娘蒿、猪殃殃、繁缕、小蓟(剌儿菜)、扁蓄、田旋花、苣英菜、芦苇、泽漆和宝盖草.其中,发生较为严重的麦田杂草有野燕麦、猪殃殃、繁缕、田旋花和芦苇5种.其...

Occurence and Control of Main Weeds in Spring Wheat Field of Datong County

Through on-the-spot investigation,the weeds types and methods of prevention and treatment of spring wheat field in Changning town,Hualin village and Xiegou village were analyzed.The results showed that the weed species were 13 kinds,including Avena fatua L.,Plantago asiatica L.,Plantago major L.,Plantago depressa Willd.,Chenopodium album.,Descuminia sophia（L.）,Galium aparine L.,Stellaria media（L.）Cyr.,Cirsium setosum.,Polygonum aviculare L.,Convolvulus arvensis L.Sonchus brachyotus D C.,Phragmites australis.,Euphorbia helioscopia L.and Lamium amplexicaule L.,among which,the five serious occurrence weeds were Avena fatua L.,Galium aparine L.,Stellaria media（L.）Cyr.,Convolvulus arvensis L.and Phragmites australis.The control methods mainly were agricultural control and chemical weeding.