无帅系苹果个大、色红、风味佳，但其坐果率低、产量低。坐果防落灵对多种果树均有提高坐果率作用。我们选择了两个果园，进行元帅系苹果花期喷施坐果防落灵试验。现将结果报告如下：１　试验材料和方法１．１　试验材料坐果防落灵，由山东省林木保护站生产，主要成分是生长素 No handsome system of apple a large, color red, good flavor, but the fruit setting rate is low, low yield. Fruit drop down on a variety of fruit trees have improved fruit setting rate effect. We chose two orchards, the Marshal Department of apple blossom fruit spray prevention and curettage test. The results are reported as follows: 1 test materials and methods 1.1 test materials sit fruit anti-ching Ling, Shandong Province Forest Protection Station production, the main component is auxin