大同市胡麻田杂草发生情况及化学防控技术

Weeds Infection Situation in Oil Flax Field in Datong and Technology of Chemical Weeding

通过对大同市2008—2009年胡麻田杂草系统的取样调查及2010年对胡麻田除草剂药效进行试验,经过计算杂草的田间均度、田间密度、田间频率、相对多度、鲜质量防效等指标并对数据进行分析研究,以明确该地区胡麻田杂草的种类、优势种及发生情况,筛选出安全有效防除胡麻田杂草的除草药剂,并制定出科学的化学除草方案。

Through surveying for the weeds system in oil flax fields during the period 2008-2009 in Datong,the test experiments of herbicide effect in oil flax fields,and data analyzing of the field uniformity,field density,field frequency,relative abundance,fresh weight control effect etc,the species and situation of weeds in oil flax fields in Datong were discovered,the new drug that could safely wipe out the weeds in flax fields was picked out and the chemical methods of weeding are developed.