果花抗冻剂最近，兰州大学生物系研制开发出一种高新科技产品──“果花抗冻剂”。经实践证明：该剂无毒害，且具有营养功效，抗冻效果和经济效益显著。施用后，在零下４℃的气温下植物的花、幼果、叶片可免受冻伤害，固其引起的落花、落果也大为减少，药效可持续６～９天... Fruit flower antifreeze Recently, the Department of Biology, Lanzhou University developed a high-tech products ─ ─ “fruit flower antifreeze.” The practice has proved that: the agent is non-toxic, and has nutritional effects, anti-freezing effect and significant economic benefits. After application, under the temperature of minus 4 ℃, the flowers, young fruits and leaves of the plants can be protected from frost, and the fallen flowers and falling fruits can be greatly reduced, and the efficacy can last from 6 to 9 days.