白地霉是提取核苷酸的一种微生物。淳安县印刷厂五七学校微生物厂的红卫兵小将,遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的伟大教导,在生产实践中根据白地霉生长过程中对营养物质的要求,利用玉米秆、甘蔗稍、高粱秆、刺槐、金樱子、土茯苓、香椿等二十余种农副产品及野生植物作为白地霉斜面培养基,进行斜面菌种培养,获得成功。其中以玉米秆、甘蔗稍、高粱秆斜面上所长的白地霉最好,表现菌苔洁白而厚、菌丝长而粗壮,比合成培养基或自然汁培养基 Geotrichum candidum is a microorganism that extracts nucleotides. Chunan County printing plant microbial schools in the May 7 Red Guards microblogging plant, in accordance with Chairman Mao on “mankind always sum up experience, found that some inventions, have created, advance” great teaching, in production practice According to the requirements of nutrients during the growth of Geotrichum candidum, more than twenty kinds of agricultural and sideline products such as corn stalks, sugar cane, sorghum stalk, black locust, rosa laevigata, tuckahoe, Chinese toon, Bevel bacteria culture, to be successful. Among them, the length of white mold of corn stalks, sugar cane and sorghum stalks was the best, indicating white and thick lichens, long and thick mycelium, more than synthetic medium or natural juice medium