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特早熟优质红富士苹果选育初报董文成（河北省农林科学院昌黎果树研究所０６６６００）一般红富士苹果成熟期太晚（１０月底），着色期果实对温度要求比较敏感，使一些１０月中旬昼夜温差只有１０℃左右的地区，普遍着色不良。据观察，富士苹果果实着色期平均昼夜温差在１...
Early maturity of high-quality red Fuji apple breeding Dongwen Cheng (Hebei Academy of Agriculture and Forestry Changli Fruit Research Institute 066600) General Red Fuji apple maturity is too late (end of October), the coloring period of the fruit is more sensitive to temperature requirements, so that some mid-October The temperature difference between day and night is only about 10 ℃ region, generally poor coloring. It is observed that the average temperature day-night temperature of Fuji apple fruit coloring period is 1 ...