怎样用苹果果形剂生产高档苹果兼容陕西读者赵强苹果果形剂是北京农业大学基础科技学院李长荣、邢玉芬教授研制的。主要在元帅系的红星、短枝红星等品种上使用。主要作用是使苹果果实顶端五棱明显突出；果形指数达０．９以上；坐果率显著提高；单果重明显增加；着色度增强... How to use apple fruit extract to produce high-end apples for Shaanxi readers Zhao Qiang Apple fruit extract is developed by Prof. Li Changrong and Xing Yufen from Basic Science and Technology College of Beijing Agricultural University. Main Marshal Department of the Red Star, short branches Red Star and other varieties used. The main role is to make the top of apple fruit conspicuously prominent; fruit shape index of 0.9 or more; fruit set significantly increased; fruit weight was significantly increased;