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prevalence reasons and Monitoring Countermeasures of Scab in Eastern Wheat Area of Jiangsu Province

Plant Diseases and Pests 2016年第2期7卷 1-6页

作者： Chen Yongming Lin Fugen Zhao Yang Huang Tingting Ding Lei Mei Aizhong Cheng Xiaosong Yancheng Plant Protection Station Yancheng 224002 China Xiangshui Plant Protection Station Xiangshui 224600 China Dongtai Plant Protection Station Dongtai 224200 China Yandu Plant Protection Station Yandu 224001 China

With the increasing prevalence frequency and aggravating harm degree in the 21st century, wheat scab had become a recurrent disease in eastern wheat area of Jiangsu Province. This paper reviewed general occurrence situation of wheat scab in eastern Jiangsu, and summarized its occurrence characteristics in last decade. The disease prevalence was elaborated from the aspects of fungal source quantity, chmatic conditions, cultivation modes, variety resistance and pesticide resistance. The author put forward a series of measures and countermeasures, including strengthening resistance monitoring and early warning, promoting and cultivating disease-resistant varieties, compressing planting area of direct seeding rice, canting out chemical control scientifically, and realizing unified prevention and control, in order to provide a scientific basis for the control of wheat scab.

关键词： Wheat scab prevalence reasons Monitoring countermeasures

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prevalence Characteristics of Rice Black-streaked Dwarf Virus Disease and Continuous Control Strategies

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Asian Agricultural Research 2021年第6期13卷 54-58页

作者： Deyou LIU Yangang LIU Lijuan LIU Xiaomei CUI Zhaotang SHEN Jinqian LIU Xiugang YU Zhouliang WANG Shengfeng ZHANG Qingquan MU Xiushan ZHAO Linyi Academy of Agricultural Sciences Linyi 276012 China Shizilu Neighbourhood Agricultural Comprehensive Service Center of Ju'nan County Ju'nan 276600 China Guichang Township Agricultural Comprehensive Service Center of Tancheng County Tancheng 276122 China Pulianji Town Agricultural and Rural Service Center of Cao County Cao County 274400 China

Through summarizing the prevalence characteristics of rice black-streaked dwarf virus disease(RBSDVD)in Linyi City of Shandong Province,this paper analyzed its prevalence is related to changes in farming and cultivation systems,the increase in the population of venomous Laodelphax striatellus Fallén and its own migration and spread,the poor disease resistance of cultivated varieties,and inadequate time of prevention and control.Besides,based on the practice of local control,it came up with some comprehensive control measures including strengthening monitoring,early warning and forecasting,planting resistant(tolerant)rice varieties according to local conditions,appropriately delaying the sowing(planting)period,supplemented by insect nets to cover seedlings,and making scientific use of chemical control.It is expected to provide a reference for the prevention and control of RBSDVD.

关键词： Rice black-streaked dwarf virus disease(RBSDVD) Characteristics prevalence reasons Monitoring and early warning forecast Comprehensive prevention and control measures

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