河北省廊坊市 唐山市和秦皇岛市麦田禾本科杂草发生情况调查  

Investigation of Grassy Weeds in Wheat Fields in Langfang City,Tangshan City and Qinhuangdao City of Hebei Province

作　　者：袁立兵[1] 浑之英[1] 王华[1] 杜鹏程[1] 赵光亚[1] 闫雪静[1] 

机构地区：[1]河北省农林科学院植物保护研究所,河北省农业有害生物综合防治工程技术研究中心,农业部华北北部作物有害生物综合治理重点实验室,河北保定071000

出　　处：《河北农业科学》2013年第4期35-39,共5页Journal of Hebei Agricultural Sciences

基　　金：国家科技支撑计划(2012BAD19B02);公益性行业(农业)科研专项(201203098);河北省财政专项(2013055001)

摘　　要：采用随机取点和倒置"W"型取样相结合的方法对河北省廊坊市、唐山市和秦皇岛市麦田禾本科杂草的发生情况进行了调查。结果表明:唐山市玉田县麦田有雀麦发生,相对多度为5.9%,发生程度处于第12位,田间频率达到6.8%,有进一步扩散的可能;唐山市丰润区和玉田县、秦皇岛市昌黎县麦田有少量狗尾草发生;廊坊市文安县、霸州市和固安县以及唐山市滦南县麦田没有发现禾本科杂草。The occurrence of grassy weeds in wheat fields in different counties （cities） of Langfang City, Tangshan City and Qinhuangdao City were investigated by the methods of random sampling and inverted W-sampling pattern. The results showed that Bromus japonica was occured in Yutian County and the order of occurrence degree was 12th based on the relative abundance was 5.9% , but it could make more damage since the frequency was already 6. 8%. There was a little Setaria viridis in Fengrun District, Yutian County and Changli County. Grassy weeds was not found in Wen＇an County, Bazhou City, Gu＇an County and Luannan County.

关 键 词：廊坊市 唐山市 秦皇岛市 麦田 禾本科杂草 调查 

分 类 号：S451[农业科学—植物保护]