从六十年代中期以来,洛阳市黄瓜死株现象日趋严重,到七十年代中期,黄瓜死株率在温室中可达95%以上,塑料大棚80%以上,露地春黄瓜约50%。 在1976-1978年,广泛采集病株,进行分离培养及回接等一系列研究,证实黄瓜死株现象是由黄瓜枯萎病菌侵染为害所致。1977年10月经中国科学院微生 Since the mid-1960s, the death of cucumbers in Luoyang has become more and more serious. By the mid-1970s, the dead rate of cucumbers reached more than 95% in greenhouses, more than 80% in plastic greenhouses and about 50% in open-field cucumbers. In 1976-1978, extensive collection of diseased plants, isolation and culture and backwash and a series of studies confirmed that dead cucumber is caused by Fusarium oxysporum f. In 1977 October by the Chinese Academy of Sciences