第四届全国食用菌学术讨论会于1990年8月4日至8日在昆明市召开。到会正式代表185人。会议得到商业部、云南省人大常委会、云南省人民政府、云南省农业厅和云南省供销社的重视和关怀。大会收到国际真菌协会执行理事、国际菌种保藏联合会执行董事钟顺昌先生和中国微生物学会等单位和个人的贺电贺信17件。本次会议的特点是:1.代表广泛。除西藏外均有代表参加。2.论本水平较高,学科广泛。从450篇论文中选出226篇汇编成册。论文内容包括研究综述、资源开发、遗传育种、制种技术、营养基质、栽培技术、生理生化、病虫害防治、贮藏加工、情报信息。3.充分利用天时地利进行野外考察。云南省真菌 The Fourth National Edible Fungus Symposium was held in Kunming from August 4 to August 8, 1990. To formally represent 185 people. Meeting was the Ministry of Commerce, Yunnan Provincial People’s Congress Standing Committee, Yunnan Provincial People’s Government, Yunnan Provincial Department of Agriculture and Yunnan Province, the importance of supply and marketing cooperatives and care. The congress received 17 congratulatory letters from the Executive Director of the International Fungus Association, Mr. Zhong Shunchang, Executive Director of the International Federation of Mycological Stockpiles, and the Chinese Society for Microbiology. The characteristics of this meeting are: 1. Wide range of representatives. All except Tibet have representatives. 2. On the higher level, a wide range of disciplines. 226 papers from 450 papers were compiled into volumes. The dissertation includes research review, resource development, genetic breeding, seed production technology, nutrition matrix, cultivation technology, physiology and biochemistry, pest and disease control, storage and processing, intelligence information. 3. Make full use of weather and time for field trips. Yunnan fungus