目前，使用２，４－Ｄ、防落素沾花预防番茄等落花落果，常常出现许多负效应，如畸形果增加、果实发生生理病害如脐腐病、筋腐病等。防落１号是哈尔滨北方农村科技有限公司研究开发的新一代多功能保花保果剂，通过５年多的田间试验和使用证明，该产品既具有良好的防落花落... At present, the use of 2,4-D, anti-litter flower prevention tomato and other flowers, often many negative effects, such as abnormal fruit increased, fruit physiological diseases such as umbilical rot, tendons rot and so on. Anti-falling No. 1 is a new generation of multi-functional flower and fruit preservative researched and developed by Harbin North Rural Science and Technology Co., Ltd., which has been tested and used in more than 5 years in the field ...