【摘要】 对柑桔外表无症各部位研究表明,柑桔炭疽病普遍存在潜伏侵染现象。除树干皮层以内及果实白皮层以内组织,包括中柱、种子不带菌外,其它各部位器官和组织均普遍带菌,带菌率较高。病害在自然条件下一般不显症发病或发病很少很轻。更多还原

【Abstract】 An examination of the symptomless sites of citrus trees revealed thatlatent infection of C.gloeosporioides is very common in citrus plants.Agreat number of the pathogen were detected on the surface of the plantsexamined.No anthracnose pathogens were found in the tissues beneath thecortex or the albedo,including the stelar tissue and seeds.Under normalconditions,the infected sites showed no symptom,or merely a light symptomwas present.更多还原