济源市今年试种的５０余亩脱毒红薯 ,在农业技术人员的精心指导下最近喜获丰收。日前 ,济源市农委、科委、各乡镇以及洛阳农专等单位的领导和专家在济源市轵城镇黄龙村召开脱毒红薯推广现场会 ,通过实地测产 ,亩产可达５０００余千克。红薯病毒病是红薯的主要病害之一 ,发病率 Jiyuan city this year to test the cultivation of more than 50 acres of virus-free sweet potato, under the guidance of agricultural technicians recently won a bumper harvest. Recently, leaders and experts from Jiyuan Agriculture Committee, Science and Technology Commission, towns and villages and Luoyang agricultural technical institute held a live-to-live meeting on virus-free sweet potato promotion in Huanglong Village, Jiucheng Town, Jiyuan City. Measured on the spot, the output per mu can reach 5,000 kilograms. Sweet potato virus disease is one of the main diseases of sweet potato, the incidence