苹果果形剂与高档苹果生产苹果果形剂是中国农业大学李长荣、邢玉芬教授研制的。主要在元帅系的红星、新红星、短枝红星、玫瑰红等品种上使用。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；座果率显著提高；单果重明显增加；着色度增强；采前落果减轻。... Apple fruit extract and high-end apple apple fruit extract is produced by China Agricultural University Li Changrong, Professor Xing Yufen developed. Mainly in Marshal Department of Red Star, the new red star, short branch red star, rose red and other varieties used. The main role is to make the top of the apple fruit conspicuously prominent; fruit shape index of 0.9 or more; fruit rate significantly increased; fruit weight was significantly increased; degree of coloring enhanced; ...