Prevalence Characteristics of Rice Black-streaked Dwarf Virus Disease and Continuous Control Strategies
2022
LIU Deyou | LIU Yangang | LIU Lijuan | CUI Xiaomei | SHEN Zhaotang | LIU Jinqian | YU Xiugang | WANG Zhouliang | ZHANG Shengfeng | MU Qingquan | ZHAO Xiushan
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.
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