长泰县常年降雨量1673.3毫米,特别是5—7月份降雨量661.0毫米,正逢春花生旺长期,经常引起春花生徒氏倒伏,造成秕烂果多,百果重下降,出仁率低,对春花生产量、品质均造成不良影响。应用植物生长延缓剂比久(B_9)喷施春花生可取得良好的效果。据试验,春花生喷施比久(B_9),可使株高降低12.3厘米,倒伏得到彻底控制,秕烂果减少15.8％,晒干率 Changtai County, a year-round rainfall of 1673.3 mm, especially in May-July rainfall of 661.0 mm, coincides with the long spring peanut flourishing, often causing spring flower lodging, causing more rotten fruit, fruit weight decline, kernel rate is low, On the spring flower production, quality have a negative impact. Application of plant growth retardants than long (B_9) spraying spring peanuts can achieve good results. According to the test, the spring peanut sprayed for a long time (B_9), the plant height can be reduced by 12.3 cm, the lodging was completely controlled, the rotten fruit decreased by 15.8%, the sun drying rate