The growth period of pineapple is about one and a half years, that is, the mature harvest period, and the pineapple fruit is mature. The production cycle of pineapple is 3-4 years; Generally, four-year three-year system or three-year two-year system is adopted.

The small buds left on the fruit stalk after fruit picking are used for growth and seedling raising, and the old stems are used for cutting propagation. Tissue culture seedlings were cultured in Ms medium at room temperature of 30℃, illumination of 65438±02h or natural illumination. Pineapple production usually has four harvest seasons: spring fruit, mature in April-May; Zhengzao fruit (Xia Guo) ripens in June-July; Autumn fruit ripens from 10 to11; In winter, the fruit ripens from February 65438 to1October 65438.

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Taboos for eating pineapple:

1, pineapple and eggs cannot be eaten together. Eggs contain a lot of protein; Pineapple is rich in fruit acid. If they are eaten at the same time, fruit acid will coagulate protein, which will affect the digestion and absorption of protein, which is not good for health.

Pineapple and radish can't be eaten together. Pineapple is rich in vitamin C, and radish contains vitamin C enzyme, which can destroy vitamin C in food. If eaten together, it will not only destroy vitamin C in pineapple and reduce its nutritional value, but also promote the transformation of flavonoids contained in pineapple into dihydroxy benzoic acid and ferulic acid, which has a strong inhibitory effect on thyroid function and can induce goiter.

3. Pineapple and milk can't be eaten together. Pineapple is rich in fruit acid, and milk contains a lot of protein. If eaten at the same time, the fruit acid in pineapple will coagulate protein in milk, which will affect the digestion and absorption of protein.

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People's Network-Who can't eat pineapple?