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以盛果初期和盛果期新红星苹果树为试材，应用普洛马林进行了２ａ（年）田间多点试验。结果表明，蕾铃期至盛花后１０ｄ（天）内树冠喷布６００—１２００倍液普洛马林，可显著增大果实的果形指数，提高果实的高桩果率，而以盛花初期或盛花期和盛花后１０ｄ喷布１２００倍液普洛马林２次最经济有效，果形指数≥１的高桩果率，盛果初期树和盛果期树分别增加２２．９％和５３．０％以上；普洛马林对单果重、果肉硬度和可溶性固形物含量均无显著影响；盛果期树花期喷布６００—１２００倍液普洛马林可提高坐果率。文内还讨论了普洛马林在新红星苹果上应用的最佳技术和经济效益。
In the early fruit stage and fruit stage of New Star apple tree as the material, the application of Promalin 2a (years) field trials. The results showed that spraying 600-1200 times of Promarol on canopy within 10d (days) from the bud stage to the full bloom could significantly increase the fruit shape index of fruit and increase the fruit rate of high pile, The full-bloom and full-bloom flowering of 1200 times of Promarol 1200 times was the most economical and effective. The fruit rate of high-fruiting index ≥1 was increased by 22.9% and 53% respectively. 0% .Prophamine had no significant effect on the fruit weight, pulp firmness and soluble solids content. In the full fruit stage, 600-1200 times of promethazine was sprayed to improve the fruit setting rate. The paper also discusses the best technical and economic benefits of applying ProLogin to the New Star Apple.