兰州百合属多年生草本植物,是甘肃的名优特产,深受国内外消费者喜爱,十分畅销。2014~2015年平均收购价每千克24元,亩产值2万元左右,成为兰州郊南部广大农民摆脱贫困、增加收入的支柱产业。近年来,由于连作种植、营养元素缺失、气候、品种退化、病虫害等多方面因素,造成兰州百合黄化现象大面积发生,严重危害兰州百合 Lanzhou lily is a perennial herb, is a famous specialty in Gansu, loved by consumers at home and abroad, very popular. From 2014 to 2015, the average purchase price was 24 yuan per kilogram, and the per-mu production value was about 20,000 yuan. It has become the pillar industry for the vast number of peasants in the southern part of Lanzhou suburbs to get out of poverty and increase their incomes. In recent years, due to continuous cropping, the lack of nutrients, climate, breed degradation, pests and other factors, resulting in a large area Lanzhou lily yellow phenomenon, a serious hazard Lanzhou lily