福州红星农场全场种植柑桔1500亩,其中福桔1300亩,年产柑桔15万担.近几年在第四工区九江园片果园发现了柑桔根腐病,病原不清.我们于今年四月赴田间调查,发病严重的果园已达二十多亩,其中九江园老果园片1983年至1984年定植的柑桔树.(砧木为福桔)发病株率在95%以上;机场头1987年定植的(枳壳砧木)两亩柑桔树发病98%; Red Star Farm in Fuzhou, the audience planted 1500 acres of citrus, of which 1,300 acres of orange, with an annual output of 150,000 dan .. In recent years in the fourth district Jiujiang Yuanyuan orchard found citrus root rot, unclear pathogens. April this year to the field investigation, the incidence of serious orchards has reached 20 acres, of which nine old orchards of Jiujiang Park citrus trees planted from 1983 to 1984 (rootstock Fufang) incidence of more than 95% of the airport; airport The first two trees of citrus trees planted in 1987 (Citrus aurantium stock) were 98%.