温州蜜柑矮缩病是由一种直径约为26nm的球病毒引起的、为害柑桔的病毒性病害。到目前为止,在全世界各生产柑桔的国家中,除日本、土耳其外,均无报道有SDV的存在和为害。本文主要报道在1987—89年间,在浙江省通过对SDV的田间调查和实验室指示植物鉴定的初步试验结果。(一)田间调查根据日本、土耳其等人描述的症状,在春梢抽发期和在采果前进行调查观察。结果显 Wenzhou Citrus dwarf disease is caused by a diameter of about 26nm ball virus, the damage of the citrus virus disease. To date, none of the countries that produce citrus around the world have reported the presence and damage of SDV, except Japan and Turkey. This paper mainly reports the preliminary test results of the plant identification of SDV field investigation and laboratory in Zhejiang Province from 1987 to 1989. (A) Field survey According to the symptoms described by Japan, Turkey and others, the investigation was conducted during the spring shoot pumping period and before harvesting. The result is obvious