衡阳地区直播稻田千金子的发生及综合防控策略  

Occurrence and Comprehensive Prevention and Control Strategy of Leptochloa chinensis(L.)Nees in Direct Seeding Field

作　　者：唐利平 黄益国 李小芳 李倩 雷利琴 胡鑫 李有志[2] TANG Liping;HUANG Yiguo;LI Xiaofang;LI Qian;LEI Liqin;HU Xin;LI Youzhi(Hengyang Academy of Agricultural Sciences,Hengyang,Hunan 421101,China;College of Plant Protection,Hunan Agricultural University,Changsha,Hunan 410128,China)

机构地区：[1]衡阳市农业科学院,湖南衡阳421001 [2]湖南农业大学植物保护学院,长沙410128

出　　处：《作物研究》2021年第4期401-404,共4页Crop Research

基　　金：国家油菜产业技术体系项目(CARS-13);公益性行业(农业)科研专项(201503123-04)。

摘　　要：随着水稻直播技术的推广,稻田杂草发生日益严重,杂草种类及优势种群表现出多样化态势。近年来,直播稻田千金子逐渐上升为优势杂草,严重影响水稻的产量和品质。综述了直播田千金子的形态与生物学特性、直播田千金子的发生与危害,并从农业防治、化学防治和生物防治方面提出了综合防控策略,旨在提高直播稻田千金子的防除效果,促进直播水稻生产的发展。With the popularization of rice direct seeding technology,the occurrence of weeds in rice field was serious,and the weed species and dominant populations were diversified.In recent years,Leptochloa chinensis(L.)Nees in direct seeding rice field had gradually become a dominant weed,seriously affecting the yield and quality of rice.In this paper,the morphological and biological characteristics,occurrence and harm of Leptochloa chinensis(L.)Nees in direct seeding field were summarized,and the comprehensive control strategies were put forward from the aspects of agricultural control,chemical control and biological control,in order to improve the effect of control of Leptochloa chinensis(L.)Nees in direct seeding rice field and promote the development of direct seeding rice production.

关 键 词：水稻 直播田 千金子 综合防控 衡阳 

分 类 号：S451.21[农业科学—植物保护]