Occurrence and Control of Weeds in Abandoned Fields in Central Hunan

作     者：Yunyun ZHOU Shunli XIAO Chenzhong JIN Xiu LIU Jun PAN Kuojie XIAO Qiuyuan DUAN 

作者机构：Key Laboratory of Pesticide Harmless Application of Hunan Higher EducationHunan University of HumanitiesScience and TechnologyLoudi 417000China Collaborative Innovation Center for Farmland Weeds Control Techniques and Application of Human ProvinceLoudi 417000China Applied Characteristic Discipline of Plant ProtectionHunan University of HumanitiesScience and TechnologyLoudi 417000China 

出 版 物：《Agricultural Biotechnology》 (农业生物技术（英文版）)

年 卷 期：2021年第10卷第2期

页      面：31-33,36页

学科分类：09[农学] 0904[农学-植物保护] 

基　　金：Scientific Research Fund of Hunan Provincial Education Department(18B461) Scientific Research Fund of Hunan Provincial Science and Technology Innovation Plan Project(2019NK4170) 

主　　题：Central Hunan Abandoned fields Weeds Integrated control 

摘      要：[Objectives]This study was conducted to clarify the occurrence of weeds,and give relevant comprehensive control suggestions accordingly.[Methods]The species and community characteristics of weeds in abandoned rice fields in central Hunan were investigated and analyzed.[Results]There were 75 species of weeds in the abandoned farmland in central Hunan,belonging to 66 genera,27 *** them,22 species had a relative abundance of more than 5%.According to the different water environments of abandoned fields,there were differences in the types and structures of *** succeeded to wetland vegetation types and dryland vegetation types *** grown in the original farmland still exist in abandoned fields,but they were mainly invaded by field weeds,such as Digitaria sanguinalis,Eleusine indica,Panicum acroanthum,Bidens pilosa,and Xanthium sibiricum.[Conclusions]This study lays a foundation for fully guaranteeing the actual results of re-cultivation of abandoned land in rural areas.