The flavor of the fruit is a combination of the nature and composition of the numerous cells that make up it. How sweet a fruit is, although it is determined by the amount of sugar in its cells , however, the accumulation of sugar is closely related to the application of nitrogen fertilizer. The original, from flower to 3 after Xie Xie Flowers - four weeks, young fruit cell division is in a state, the cell is full of protein as the main component of the cytoplasm, after which cell division stops, and began to rapidly expand water absorption, the cell wall outwardly extending, at this time, the adhesion gradually cytoplasmic membrane around the central form a large bubble, the bubble which is a liquid, it is the main site storage fruit starch, organic acids and other substances as early fruit ripening, cytosol Almost full of starch, and gradually broken down into fructose, glucose and sucrose, so that the sweetness of the fruit increased dramatically.
If the nitrogen fertilizer is too much, although it is conducive to the formation of protein, it will increase the cytoplasm in the cell, causing the cytoplasmic delay and the corresponding decrease of the vacuole volume, which directly hinders the storage of starch. At the same time, due to the excessive application of nitrogen fertilizer, the new shoots will grow vigorously, and the sugars produced by the leaves will be consumed in a large amount in terms of growth, which will reduce the transportation to the fruit, which will affect the sweetness of the fruit.
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