阿司匹林是医学上常用的镇痛解热药物之一 ,然而把它用于园艺作物上时 ,它既非农药 ,也非化肥 ,也非激素 ,却能提高林苗、果苗、花苗的抗旱力。其原因在于它能使苗木根、茎、叶、花上的气孔缩小或处于半关闭状态 ,从而大大减少苗木在运输、移植和生长过程中的蒸腾失水。实际应 Aspirin is one of the medically commonly used analgesic and antipyretic drugs. However, when it is applied to horticultural crops, it is neither pesticides nor fertilizers nor hormones, but it can increase the drought resistance of forest seedlings, fruit seedlings and flower seedlings. The reason is that it can make seedling roots, stems, leaves, flower stomata reduced or in a semi-closed state, thus greatly reducing transpiration of seedlings in the transport, transplantation and growth of water loss. Actually should