苹果果形剂的使用技术及注意事项苹果果形剂是由中国农业大学李长荣、邢玉芬教授研制的。主要应用于元帅系的红星、新红星、短枝红星、玫瑰红等品种。主要作用是使苹果果实、顶端五棱明显突出，果形指出达０．９以上，坐果率明显提高，单果重显著增加，着色度增强，采前落... The use of apple fruit extract technology and precautions Apple fruit extract is developed by Professor Li Changrong and Xing Yufen of China Agricultural University. Mainly used in Marshal Department of Red Star, the new red star, spur red star, rose red and other varieties. The main role is to make apple fruit, the top of the pentagonal conspicuous prominent fruit shape pointed up to 0.9 or more, fruit set significantly improved, the fruit weight was significantly increased, the degree of coloring increased, mining before falling ...