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实验表明,多效素等4种叶面喷施物均有提高套袋果实含糖量的作用,其原因是它们可增加叶片厚度及叶绿素含量,提高叶片光合速率,同时还降低套袋鸭梨果实的过氧化物酶活性及呼吸强度。其中叶肥1号和多效素在提高光合作用效果方面效果显著,而氨基酸复合微肥及云大-120则在降低呼吸强度方面效果较突出。
The experimental results showed that all of the four foliar sprayers, such as pleiotropin, had the effect of increasing the sugar content of bagged fruits because they increased leaf thickness and chlorophyll content, increased leaf photosynthetic rate, Peroxidase activity and respiration rate in fruits. Among them, YeFei No.1 and pleiotrophin had a remarkable effect in improving the photosynthesis effect, while the amino acid compound fertilizer and YunDa -120 were more effective in reducing respiration intensity.