The early and late harvest of apples directly affects the yield, moral character, and storage. If harvesting is too early, fruit development is not complete, the fruit is light, the appearance is glorious, the sugar content is low, and the morality is poor. If the harvesting is too late, the flesh develops quickly and the disease resistance can be reduced. Only with proper harvesting, can we achieve the best fruit supply of food products.

The early and late harvest of apples directly affects the yield, moral character, and storage. If harvesting is too early, fruit development is not complete, the fruit is light, the appearance is glorious, the sugar content is low, and the morality is poor. If the harvesting is too late, the flesh develops quickly and the disease resistance can be reduced. Only with proper harvesting, the best food product with the ability to achieve fruit is the best, and the longest storage life is achieved, so that higher benefits are obtained.

How to determine the appropriate harvest period for Apple

The appropriate harvest period of apples is determined based on the maturity of the fruit, and the important roots occupy the following aspects:

1 Appearance traits Including fruit size, shape, glory, and so on have reached the intrinsic properties of the species.

2 Intrinsic indicators Fuji apple, pulp hardness of 6.8 ~ 7.6 kg / square centimeter for the appropriate harvest period, storage of fruit products than the hardness of fresh fruit slightly larger; soluble solids content of 12% to 15%, if delayed , Soluble solids content increased, hardness decreased.

3 Starch content of pulp When the fruit matures, the starch is converted into sugar and the starch content falls. The iodine solution can be applied to the cross-section of the fruit, if 70% to 90% no coloring is suitable for harvesting period.

4 In the fruit-generation era, each species has a relatively stable number of days from flowering to maturity. Generally early-maturing varieties range from 100 to 120 days, medium-maturing varieties range from 125 to 150 days, and late-maturing varieties range from 160 to 180 days. Because different regions have different accumulating temperatures during the fruit growth period, the harvesting period will be different. It is best to harvest in different places within 10 days before and after harvesting time.

However, the determination index of any fruit maturity has its limitations. The appropriate harvest time may be different for the same variety in different producing areas and different years. Therefore, determining the appropriate harvest period for a certain variety cannot be based on only one item. Indicators should be comprehensively considered in the above indicators to determine the maturity of the fruit.

The main points of harvesting and management are as follows: (1) Adopting harvesting tools such as picking fruit bags, picking fruit ladders and fruit boxes (baskets), and cutting nails and wearing soft soled shoes before harvesting. 2 When holding, hold the fruit with your hands, place your index finger against the end of the handle and gently lift it upwards. The handle will be separated from the fruit stand and avoid hard pulls; the principle of light picking, gentle release, light mounting, and light discharge shall be adopted. . 3 The order of picking is to pick the outer and lower parts of the crown first, then pick the inner part and the upper part. 4 It should not be carried out before there is rain, fog or dew, and fruit should be picked in good weather.

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