柑桔无病苗海涂示范园的建立与措施吴友成，汪承准，卓雄标（宁德市东湖塘华侨农场３５２１０１）近年来．我国对柑桔黄龙病的研究取得很大进展。阐明了这是一种原核微生物引起的病害，其远距离传播是靠带病的接穗和苗木，田间传播媒介则是木虱。根据柑桔黄龙病的病原性质... Establishment of Citrus Seedlings Sealess Demonstration Garden and Measures Wu Youcheng, Wang Chengzhun, Zhuo Xiongbiao (East Lake Tang Huaqiang Farm, Ningde, China) In recent years, China’s citrus Huanglong disease made great progress. Clarified that this is a disease caused by prokaryotic microorganisms, the long-distance transmission is dependent on the scion and seedling disease, the field is psyllium vector. According to the pathogenic nature of citrus Huanglongbing ...