【摘要】 近几年来水稻黑条矮缩病在连云港市呈逐年加重趋势。笔者在总结其发生特点的基础上,分析病害流行的原因,主要与耕作制度、灰飞虱种群数量、栽培方式、品种抗性等因素有关,同时提出了防治对策。更多还原

【Abstract】 In recent years,rice black-streaked dwarf disease is developing seriously year after year.The cause of disease epidemic was analyzed based on occurrence characteristic of the disease,such as farming system,population of Laodelphax striatellus,cultivation pattern,variety resistance and so on,meantime,some control measures were proposed.更多还原