果形素对新红星苹果坐果及果形指数的影响

Effect of Fruit Shape Agents on Fruit Setting and L/D Index of Starkrimson Delicious Apples

以盛果期新红星苹果树为试材，于盛花期喷施果形素1号、2号、3号，均可显著提高花序坐果率、果形指数、高桩果率和果实单果重，但对果实硬度、可溶性固形物、果实着色度均无显著作用。这3种果形素均能达到普洛马林的应用效果。

The fruit shape agents NO. 1, No.2 and NO.3 were sprayed on full - blossom period of 'Starkrimson Delicious Apples' trees. The rate of fruits setting, L/D index, fruit weight, high pile fruit rate were increased, but fruit hardness, soluble allids and color were not affected. It was concluded that the effects of three fruit shape agents were sindlar to that of Promalin.